stmml file
Chad Berkley
berkley at nceas.ucsb.edu
Tue Oct 29 10:50:57 PST 2002
Hey Tim,
I just realized that you must have attached the wrong file. When I do a
diff with your file and the one at the head of cvs, there is no
difference.
chad
On Tue, 2002-10-29 at 10:04, Tim Bergsma wrote:
> Chad,
>
> I revised eml-unitDictionary, attached. Approximately 56 changes.
>
> Unresolved issues:
>
> UnitTypes...
> 1. resistance has time^-5?
> 2. resistivity has time^-5?
> 3. conductance has time^5?
> 4. metersPerDay is unitType hydraulicConductivity, yet it is also
> perfectly good as a speed! Maybe we should reclassify, and trash
> hydraulicConductivity. Or is there a mechanism to cross-list? I'm sure
> there are other examples where two unit-combinations are superficially
> identical, but have very different scientific meanings.
>
> Abbreviations...
> 1. Angstrom has a perfectly good abbreviation, but it is a special
> character (A with a little o above it. Does abbreviation mean the same
> thing as symbol?
> 2. I no longer think it is possible or good to require abbreviations to
> be unique.
> 3. Note: I stripped out the very few compound abbreviations for
> consistency (g/l, ft-lbs, mg/ml), and tried to supply abbreviations for
> most fundamental units. I don't know appropriate abbreviations for
> knots or rathoms.
>
> Units...
> 1. I notice that day, hour, min are never defined as units, but are
> used extensively as implicit dimensions of other units. Is this part of
> the datetime bug?
>
> Tim.
>
> Chad Berkley wrote:
> >
> > Hi Tim.
> >
> > I made most of your changes. I didn't change the base units that you
> > suggested because I don't think that it is required that base units of a
> > unitType, themselves must be base units. It's easy to do the 3 way
> > conversion if needed. I did fix the multipliers you found to be
> > incorrect and made most of the changes with requards to unitType names.
> > I haven't done anything with the date/time stuff. I"m waiting to see
> > how the discussion progresses.I added all of your new units except for
> > PH because that seems to be a discussion point as well.
> >
> > The micro and omega symbols can be put into xml because it is unicode,
> > but I think it's probably more trouble than it's worth because other
> > applications that might process this cannot handle it. I used other
> > abbreviations how I thought appropriate. If you think my abbreviations
> > are incorrect, please let me know.
> >
> > I'm going to go back today or monday and put in the parentSI attribute
> > for every unit. I haven't gotten to it yet though.
> >
> > Please take a look at the dictionary as it currently stands in CVS and
> > make sure I didn't mess anything up.
> >
> > thanks,
> > chad
> >
> > On Wed, 2002-10-23 at 09:52, Tim Bergsma wrote:
> > > Chad,
> > >
> > > marking up the datasets from my site, I find the following units that
> > > are undefined in eml-unitDictionary.
> > >
> > > 1. Year (awaits resolution of date, perhaps) e.g. 1999. Year in which
> > > sampling occurred.
> > >
> > > 2. Date (awaiting resolution?)
> > >
> > > 3. metersPerGram. could be of type massSpecificLength. refers to
> > > fungal hyphae in grams of soil.
> > >
> > > 4. cubicMicrometersPerGram. massSpecificVolume?. refers to bacterial
> > > volume in grams of soil.
> > >
> > > 5. pH. (negative log of the hydronium ion concentration of a solution,
> > > where concentration is presumably molesPerLiter).
> > >
> > > 6. gramsPerHectarePerDay. multiplierToSI: "0.0000000000011574"
> > >
> > > 7. numberPerGram. Bacterial counts.
> > >
> > > 8. gramsPerSquareMeter. multiplierToSI: "0.001"
> > >
> > > I think 6-8 should certainly be added. I'm hopeful on the others, so I
> > > don't have to custom define. I have lots of units in the form
> > > gramsPerGram that I don't know what to do with.
> > >
> > > Note: I think there's some inconsistency in unitDictionary names
> > > regarding meterSquared vs. squareMeter. Maybe not critical.
> > >
> > > Tim.
> > >
> > >
> > > --
> > > Tim Bergsma
> > > LTER Information Manager
> > > W.K. Kellogg Biological Station
> > > Michigan State University
> > > Hickory Corners, MI 49060
> > > 616/671-2337
> > > tbergsma at kbs.msu.edu
> > > http://lter.kbs.msu.edu
> > > _______________________________________________
> > > eml-dev mailing list
> > > eml-dev at ecoinformatics.org
> > > http://www.ecoinformatics.org/mailman/listinfo/eml-dev
> > --
> > -----------------------
> > Chad Berkley
> > National Center for
> > Ecological Analysis
> > and Synthesis (NCEAS)
> > berkley at nceas.ucsb.edu
> > -----------------------
>
> --
> Tim Bergsma
> LTER Information Manager
> W.K. Kellogg Biological Station
> Michigan State University
> Hickory Corners, MI 49060
> 616/671-2337
> tbergsma at kbs.msu.edu
> http://lter.kbs.msu.edu
> ----
>
> <?xml version="1.0"?>
> <!--
> '$RCSfile: eml-unitDictionary.xml,v $'
> Copyright: 1997-2002 Regents of the University of California,
> University of New Mexico, and
> Arizona State University
> Sponsors: National Center for Ecological Analysis and Synthesis and
> Partnership for Interdisciplinary Studies of Coastal Oceans,
> University of California Santa Barbara
> Long-Term Ecological Research Network Office,
> University of New Mexico
> Center for Environmental Studies, Arizona State University
> Other funding: National Science Foundation (see README for details)
> The David and Lucile Packard Foundation
> For Details: http://knb.ecoinformatics.org/
>
> '$Author: berkley $'
> '$Date: 2002/10/28 17:46:01 $'
> '$Revision: 1.22 $'
>
> This program is free software; you can redistribute it and/or modify
> it under the terms of the GNU General Public License as published by
> the Free Software Foundation; either version 2 of the License, or
> (at your option) any later version.
>
> This program is distributed in the hope that it will be useful,
> but WITHOUT ANY WARRANTY; without even the implied warranty of
> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> GNU General Public License for more details.
>
> You should have received a copy of the GNU General Public License
> along with this program; if not, write to the Free Software
> Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
> -->
> <stmml:unitList xmlns:stmml="http://www.xml-cml.org/schema/stmml" xmlns="http://www.xml-cml.org/schema/stmml" xmlns:sch="http://www.ascc.net/xml/schematron" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xml-cml.org/schema/stmml stmml.xsd">
> <!-- ======================================================================= -->
> <!-- ========================= fundamental types =========================== -->
> <!-- ======================================================================= -->
> <unitType id="length" name="length"> <!--meter-->
> <dimension name="length"/>
> </unitType>
>
> <unitType id="time" name="time"> <!--second-->
> <dimension name="time"/>
> </unitType>
>
> <unitType id="mass" name="mass"> <!--kilogram-->
> <dimension name="mass"/>
> </unitType>
>
> <unitType id="charge" name="charge"> <!--coulomb-->
> <dimension name="charge"/>
> </unitType>
>
> <unitType id="temperature" name="temperature"> <!--kelvin-->
> <dimension name="temperature"/>
> </unitType>
>
> <unitType id="amount" name="amount"> <!--mole-->
> <dimension name="amount"/>
> </unitType>
>
> <unitType id="luminosity" name="luminosity"> <!--candela-->
> <dimension name="luminosity"/>
> </unitType>
>
> <unitType id="dimensionless" name="dimensionless">
> <dimension name="dimensionless"/>
> </unitType>
>
> <unitType id="angle" name="angle"> <!--radian-->
> <dimension name="angle"/>
> </unitType>
>
> <!-- ======================================================================= -->
> <!-- ========================== derived types ============================== -->
> <!-- ======================================================================= -->
>
> <unitType id="acceleration" name="acceleration"> <!--metersPerSecondSquared-->
> <dimension name="length"/>
> <dimension name="time" power="-2"/>
> </unitType>
>
> <unitType id="current" name="current"> <!--ampere-->
> <dimension name="charge"/>
> <dimension name="time" power="-1"/>
> </unitType>
>
> <unitType id="magneticFieldStrength" name="magneticFieldStrength"> <!--amperePerMeter-->
> <dimension name="charge"/>
> <dimension name="time" power="-1"/>
> <dimension name="length"/>
> </unitType>
>
> <unitType id="currentDensity" name="currentDensity"> <!--amperePerSquareMeter-->
> <dimension name="charge"/>
> <dimension name="time" power="-1"/>
> <dimension name="length" power="-2"/>
> </unitType>
>
> <unitType id="area" name="area"> <!--squareMeters-->
> <dimension name="length"/>
> <dimension name="length"/>
> </unitType>
>
> <unitType id="reciprocal" name="reciprocal"> <!--waveNumber-->
> <dimension name="length" power="-1"/>
> </unitType>
>
> <unitType id="frequency" name="frequency"> <!--hertz-->
> <dimension name="time" power="-1"/>
> </unitType>
>
> <unitType id="volume" name="volume"> <!--cubicMeter-->
> <dimension name="length"/>
> <dimension name="length"/>
> <dimension name="length"/>
> </unitType>
>
> <unitType id="volumetricArea" name="volumetricArea"> <!--litersPerSquareMeter-->
> <dimension name="length"/>
> <dimension name="length"/>
> <dimension name="length"/>
> <dimension name="length" power="-1"/>
> <dimension name="length" power="-1"/>
> </unitType>
>
> <unitType id="speed" name="speed"> <!--metersPerSecond-->
> <dimension name="length"/>
> <dimension name="time" power="-1"/>
> </unitType>
>
> <unitType id="massDensity" name="massDensity"> <!--kilogramPerCubicMeter-->
> <dimension name="mass"/>
> <dimension name="length" power="-1"/>
> <dimension name="length" power="-1"/>
> <dimension name="length" power="-1"/>
> </unitType>
>
> <unitType id="volumetricRate" name="volumetricRate"> <!--litersPerSecond-->
> <dimension name="length"/>
> <dimension name="length"/>
> <dimension name="length"/>
> <dimension name="time" power="-1"/>
> </unitType>
>
> <unitType id="volumetricMassDensityRate" name="volumetricMassDensityRate"> <!--gramsPerLiterPerDay-->
> <dimension name="mass"/>
> <dimension name="length" power="-1"/>
> <dimension name="length" power="-1"/>
> <dimension name="length" power="-1"/>
> <dimension name="time" power="-1"/>
> </unitType>
>
> <unitType id="arealMassDensityRate" name="arealMassDensityRate"> <!--kilogramsPerMeterSquaredPerSecond-->
> <dimension name="mass"/>
> <dimension name="length" power="-2"/>
> <dimension name="time" power="-1"/>
> </unitType>
>
> <unitType id="specificVolume" name="specificVolume"> <!--cubicMeterPerKilogram-->
> <dimension name="mass" power="-1"/>
> <dimension name="length"/>
> <dimension name="length"/>
> <dimension name="length"/>
> </unitType>
>
> <unitType id="amountOfSubstanceConcentration" name="amountOfSubstanceConcentration"> <!--molePerCubicMeter-->
> <dimension name="amount"/>
> <dimension name="length" power="-1"/>
> <dimension name="length" power="-1"/>
> <dimension name="length" power="-1"/>
> </unitType>
>
> <unitType id="amountOfSubstanceWeight" name="amountOfSubstanceWeight"> <!--molesPerKilogram-->
> <dimension name="amount"/>
> <dimension name="mass" power="-1"/>
> </unitType>
>
> <unitType id="amountOfSubstanceWeightFlux" name="amountOfSubstanceWeightFlux"> <!--molesPerKilogramPerSecond-->
> <dimension name="amount"/>
> <dimension name="mass" power="-1"/>
> <dimension name="time" power="-1"/>
> </unitType>
>
> <unitType id="massFlux" name="massFlux"> <!--kilogramsPerSecond-->
> <dimension name="mass"/>
> <dimension name="time" power="-1"/>
> </unitType>
>
> <unitType id="luminance" name="luminance"> <!--candelaPerSquareMeter-->
> <dimension name="luminosity"/>
> <dimension name="length" power="-1"/>
> <dimension name="length" power="-1"/>
> </unitType>
>
> <unitType id="undefined" name="undefined">
> <dimension name="dimensionless"/>
> </unitType>
>
> <unitType id="volumetricDensity" name="volumetricDensity"> <!--numberPerMeterCubed-->
> <dimension name="dimensionless"/>
> <dimension name="length" power="-1"/>
> <dimension name="length" power="-1"/>
> <dimension name="length" power="-1"/>
> </unitType>
>
> <unitType id="arealDensity" name="arealDensity"> <!--numberPerMeterSquared-->
> <dimension name="dimensionless"/>
> <dimension name="length" power="-1"/>
> <dimension name="length" power="-1"/>
> </unitType>
>
> <unitType id="arealMassDensity" name="arealMassDensity"> <!--kilogramsPerSquareMeter-->
> <dimension name="mass"/>
> <dimension name="length" power="-2"/>
> </unitType>
>
> <unitType id="arealMass" name="arealMass"> <!--squareMeterPerKilogram-->
> <dimension name="mass" power="-1"/>
> <dimension name="length"/>
> <dimension name="length"/>
> </unitType>
>
> <unitType id="force" name="force"> <!--newton-->
> <dimension name="mass"/>
> <dimension name="length"/>
> <dimension name="time" power="-2"/>
> </unitType>
>
> <unitType id="energy" name="energy"> <!--joule-->
> <dimension name="mass"/>
> <dimension name="length" power="2"/>
> <dimension name="time" power="-2"/>
> </unitType>
>
> <unitType id="power" name="power"> <!--watt-->
> <dimension name="mass"/>
> <dimension name="length" power="2"/>
> <dimension name="time" power="-3"/>
> </unitType>
>
> <unitType id="potentialDifference" name="potentialDifference"> <!--volt-->
> <dimension name="mass"/>
> <dimension name="length" power="2"/>
> <dimension name="time" power="-4"/>
> <dimension name="charge"/>
> </unitType>
>
> <unitType id="capacitance" name="capacitance"> <!--farad-->
> <dimension name="mass" power="-1"/>
> <dimension name="length" power="-2"/>
> <dimension name="time" power="2"/>
> <dimension name="charge" power="2"/>
> </unitType>
>
> <unitType id="resistance" name="resistance"> <!--ohm-->
> <dimension name="mass"/>
> <dimension name="length" power="2"/>
> <dimension name="time" power="-5"/>
> <dimension name="charge" power="-2"/>
> </unitType>
>
> <unitType id="resistivity" name="resistivity"> <!--ohmMeters-->
> <dimension name="mass"/>
> <dimension name="length" power="3"/>
> <dimension name="time" power="-5"/>
> <dimension name="charge" power="-2"/>
> </unitType>
>
> <unitType id="conductance" name="conductance"> <!--siemens-->
> <dimension name="mass" power="-1"/>
> <dimension name="length" power="-2"/>
> <dimension name="time" power="5"/>
> <dimension name="charge" power="2"/>
> </unitType>
>
> <unitType id="magneticFlux" name="magneticFlux"> <!--weber-->
> <dimension name="mass"/>
> <dimension name="length" power="2"/>
> <dimension name="time" power="-1"/>
> <dimension name="charge" power="-1"/>
> </unitType>
>
> <unitType id="magneticFluxDensity" name="magneticFluxDensity"> <!--tesla-->
> <dimension name="mass"/>
> <dimension name="time" power="-1"/>
> <dimension name="charge" power="-1"/>
> </unitType>
>
> <unitType id="inductance" name="inductance"> <!--henry-->
> <dimension name="mass"/>
> <dimension name="length" power="2"/>
> <dimension name="time" power="-5"/>
> <dimension name="charge" power="-2"/>
> </unitType>
>
> <unitType id="illuminance" name="illuminance"> <!--lux-->
> <dimension name="luminosity"/>
> <dimension name="length" power="-2"/>
> </unitType>
>
> <unitType id="radionucleotideActivity" name="radionucleotideActivity"> <!--becquerel-->
> <dimension name="time" power="-1"/>
> </unitType>
>
> <unitType id="specificEnergy" name="specificEnergy"> <!--gray-->
> <dimension name="time" power="-2"/>
> <dimension name="length" power="2"/>
> </unitType>
>
> <unitType id="doseEquivalent" name="doseEquivalent"> <!--sievert-->
> <dimension name="time" power="-2"/>
> <dimension name="length" power="2"/>
> </unitType>
>
> <unitType id="catalyticActivity" name="catalyticActivity"> <!--katal-->
> <dimension name="time" power="-1"/>
> <dimension name="amount"/>
> </unitType>
>
> <unitType id="pressure" name="pressure"> <!--pascal-->
> <dimension name="mass"/>
> <dimension name="time" power="-2"/>
> <dimension name="length" power="3"/>
> </unitType>
>
> <unitType id="transmissivity" name="transmissivity"> <!--metersSquaredPerSecond-->
> <dimension name="length" power="2"/>
> <dimension name="time" power="-1"/>
> </unitType>
>
> <unitType id="massSpecificLength" name="massSpecificLength"> <!--metersPerGram-->
> <dimension name="length"/>
> <dimension name="mass" power="-1"/>
> </unitType>
>
> <unitType id="massSpecificVolume" name="massSpecificVolume"> <!--cubicMicrometersPerGram-->
> <dimension name="length" power="3"/>
> <dimension name="mass" />
> </unitType>
>
> <unitType id="massAmount" name="massAmount"> <!--numberPerGram-->
> <dimension name="dimensionless"/>
> <dimension name="mass" power="-1"/>
> </unitType>
> <!-- ======================================================================= -->
> <!-- ====================== Unit Definitions =============================== -->
> <!-- ======================================================================= -->
>
> <unit id="undefined" name="undefined" unitType="undefined">
> <description>unit for fields with no unit</description>
> </unit>
>
> <unit id="dimensionless" name="dimensionless" unitType="undefined">
> <description>unit for fields with no unit</description>
> </unit>
>
> <unit id="second" name="second" unitType="time" abbreviation="sec" multiplierToSI="1">
> <description>The SI unit of time</description>
> </unit>
>
> <unit id="meter" name="meter" unitType="length" abbreviation="m" multiplierToSI="1">
> <description>The SI unit of length</description>
> </unit>
>
> <unit id="kilogram" name="kilogram" unitType="mass" abbreviation="kg" multiplierToSI="1">
> <description>SI unit of mass</description>
> </unit>
>
> <unit id="kelvin" name="kelvin" unitType="temperature" abbreviation="K" multiplierToSI="1">
> <description>SI unit for temperature</description>
> </unit>
>
> <unit id="coulomb" name="coulomb" unitType="charge" abbreviation="C" multiplierToSI="1">
> <description>SI unit for charge</description>
> </unit>
>
> <unit id="ampere" name="ampere" unitType="current" abbreviation="A" multiplierToSI="1">
> <description>SI unit of electrical current</description>
> </unit>
>
> <unit id="mole" name="mole" unitType="amount" abbreviation="mol" multiplierToSI="1">
> <description>SI unit of substance amount</description>
> </unit>
>
> <unit id="candela" name="candela" unitType="luminosity" abbreviation="cd" multiplierToSI="1">
> <description>SI unit of luminosity</description>
> </unit>
>
> <unit id="number" name="number" unitType="dimensionless">
> <description>a number</description>
> </unit>
>
> <unit id="cubicMeter" name="cubicMeter" unitType="volume" multiplierToSI="1">
> <description>cubic meter</description>
> </unit>
>
> <!--mass-->
> <unit id="nanogram" name="nanogram" unitType="mass" parentSI="kilogram" multiplierToSI="0.000000000001" abbreviation="ng">
> <description>0.000000000001 kg</description>
> </unit>
> <unit id="microgram" name="microgram" unitType="mass" parentSI="kilogram" multiplierToSI="0.000000001" abbreviation="microg">
> <description>0.000000001 kg</description>
> </unit>
> <unit id="milligram" name="milligram" unitType="mass" parentSI="kilogram" multiplierToSI="0.000001" abbreviation="mg">
> <description>0.000001 kg</description>
> </unit>
> <unit id="centigram" name="centigram" unitType="mass" parentSI="kilogram" multiplierToSI="0.00001" abbreviation="cg">
> <description>0.00001 kg</description>
> </unit>
> <unit id="decigram" name="decigram" unitType="mass" parentSI="kilogram" multiplierToSI="0.0001" abbreviation="dg">
> <description>0.0001 kg</description>
> </unit>
> <unit id="gram" name="gram" unitType="mass" parentSI="kilogram" multiplierToSI="0.001" abbreviation="g">
> <description>0.001 kg</description>
> </unit>
> <unit id="dekagram" name="dekagram" unitType="mass" parentSI="kilogram" multiplierToSI="0.01" abbreviation="dag">
> <description>.01 kg</description>
> </unit>
> <unit id="hectogram" name="hectogram" unitType="mass" parentSI="kilogram" multiplierToSI="0.1" abbreviation="hg">
> <description>.1 kg</description>
> </unit>
> <unit id="megagram" name="megagram" unitType="mass" parentSI="kilogram" multiplierToSI="1000" abbreviation="Mg">
> <description>1000 kg</description>
> </unit>
>
> <unit id="tonne" name="tonne" unitType="mass" parentSI="kilogram" multiplierToSI="1000">
> <description>metric ton or tonne</description>
> </unit>
>
> <unit id="pound" name="pound" parentSI="kilogram" abbreviation="lbs" multiplierToSI=".4536">
> <description>1 pound in the Avoirdupois (commerce) scale</description>
> </unit>
> <unit id="ton" name="ton" parentSI="kilogram" abbreviation="ton" multiplierToSI="907.1999">
> <description>standard US (short) ton = 2000 lbs</description>
> </unit>
>
> <!--temp-->
> <unit id="celsius" name="celsius" parentSI="kelvin" multiplierToSI="1" constantToSI="273.18" abbreviation="C">
> <description>A common unit of temperature</description>
> </unit>
>
> <unit id="fahr" name="fahrenheit" parentSI="kelvin" abbreviation="F" multiplierToSI="0.55555555555555555" constantToSI="-17.777777777777777777">
> <description>An obsolescent unit of temperature still used in popular meteorology</description>
> </unit>
>
> <!--length-->
> <unit id="nanometer" name="nanometer" parentSI="meter" multiplierToSI=".000000001" abbreviation="nm">
> <description>.000000001 meters</description>
> </unit>
> <unit id="micrometer" name="micrometer" parentSI="meter" multiplierToSI=".000001" abbreviation="microm">
> <description>.000001 meters</description>
> </unit>
> <unit id="micron" name="micron" parentSI="meter" multiplierToSI=".000001" abbreviation="microm">
> <description>.000001 meters</description>
> </unit>
> <unit id="millimeter" name="millimeter" parentSI="meter" multiplierToSI=".001" abbreviation="mm">
> <description>.001 meters</description>
> </unit>
> <unit id="centimeter" name="centimeter" parentSI="meter" multiplierToSI=".01" abbreviation="cm">
> <description>.01 meters</description>
> </unit>
> <unit id="decimeter" name="decimeter" parentSI="meter" multiplierToSI=".1" abbreviation="dm">
> <description>.1 meters</description>
> </unit>
> <unit id="dekameter" name="dekameter" parentSI="meter" multiplierToSI="10" abbreviation="dam">
> <description>10 meters</description>
> </unit>
> <unit id="hectometer" name="hectometer" parentSI="meter" multiplierToSI="100" abbreviation="hm">
> <description>100 meters</description>
> </unit>
> <unit id="kilometer" name="kilometer" parentSI="meter" multiplierToSI="1000" abbreviation="km">
> <description>1000 meters</description>
> </unit>
> <unit id="megameter" name="megameter" parentSI="meter" multiplierToSI="1000000" abbreviation="Mm">
> <description>1000000 meters</description>
> </unit>
> <unit id="angstrom" name="angstrom" parentSI="meter" multiplierToSI=".0000000001">
> <description>1/10000000000 meter</description>
> </unit>
>
> <unit id="inch" name="inch" parentSI="meter" abbreviation="in" multiplierToSI="0.0254">
> <description>An imperial measure of length</description>
> </unit>
> <unit id="Foot_US" name="Foot_US" parentSI="meter" abbreviation="usft" multiplierToSI=".3048">
> <description>12 inches</description>
> </unit>
> <unit id="foot" name="foot" parentSI="meter" abbreviation="ft" multiplierToSI=".3048">
> <description>12 inches</description>
> </unit>
> <unit id="Foot_Gold_Coast" name="Foot_Gold_Coast" parentSI="meter" abbreviation="gcft" multiplierToSI=".3047997">
> <description>12 inches</description>
> </unit>
> <unit id="fathom" name="fathom" parentSI="meter" multiplierToSI="1.8288">
> <description>6 feet</description>
> </unit>
> <unit id="nauticalMile" name="nauticalMile" parentSI="meter" multiplierToSI="1852">
> <description>natical mile</description>
> </unit>
> <unit id="yard" name="yard" parentSI="meter" abbreviation="yard" multiplierToSI=".9144">
> <description>3 feet</description>
> </unit>
> <unit id="Yard_Indian" name="Yard_Indian" parentSI="meter" multiplierToSI=".914398530744440774">
> <description/>
> </unit>
> <unit id="Link_Clarke" name="Link_Clarke" parentSI="meter" multiplierToSI=".2011661949">
> <description/>
> </unit>
> <unit id="Yard_Sears" name="Yard_Sears" parentSI="meter" multiplierToSI=".91439841461602867">
> <description/>
> </unit>
> <unit id="mile" name="mile" parentSI="meter" abbreviation="mile" multiplierToSI="1609.344">
> <description>5280 ft or 1609.344 meters</description>
> </unit>
>
> <!--seconds-->
> <unit id="nanosecond" name="nanosecond" parentSI="second" multiplierToSI=".000000001" abbreviation="nsec">
> <description>1/1000000 of a second</description>
> </unit>
> <unit id="microsecond" name="microsecond" parentSI="second" multiplierToSI=".000001" abbreviation="microsec">
> <description>1/100000 of a second</description>
> </unit>
> <unit id="millisecond" name="millisecond" parentSI="second" multiplierToSI=".001" abbreviation="msec">
> <description>1/1000 of a second</description>
> </unit>
> <unit id="centisecond" name="centisecond" parentSI="second" multiplierToSI=".01" abbreviation="csec">
> <description>1/100 of a second</description>
> </unit>
> <unit id="decisecond" name="decisecond" parentSI="second" multiplierToSI=".1" abbreviation="dsec">
> <description>1/10 of a second</description>
> </unit>
> <unit id="dekasecond" name="dekasecond" parentSI="second" multiplierToSI="10" abbreviation="dasec">
> <description>10 seconds</description>
> </unit>
> <unit id="hectosecond" name="hectosecond" parentSI="second" multiplierToSI="100" abbreviation="hsec">
> <description>100 seconds</description>
> </unit>
> <unit id="kilosecond" name="kilosecond" parentSI="second" multiplierToSI="1000" abbreviation="hsec">
> <description>1000 seconds</description>
> </unit>
> <unit id="megasecond" name="megasecond" parentSI="second" multiplierToSI="1000000" abbreviation="Msec">
> <description>1000000 seconds</description>
> </unit>
> <unit id="minute" name="minute" parentSI="second" multiplierToSI="60" abbreviation="min">
> <description>60 seconds</description>
> </unit>
> <unit id="hour" name="hour" parentSI="second" multiplierToSI="3600" abbreviation="hr">
> <description>3600 seconds</description>
> </unit>
>
> <!--volume-->
> <unit id="kiloliter" name="kiloliter" unitType="volume" parentSI="cubicMeter" multiplierToSI="1">
> <description>1 cubic meter</description>
> </unit>
> <unit id="microliter" name="microliter" unitType="volume" parentSI="cubicMeter" multiplierToSI=".000000001" abbreviation="microl">
> <description>1/1000000 of a liter</description>
> </unit>
> <unit id="milliliter" name="milliliter" unitType="volume" parentSI="cubicMeter" multiplierToSI=".000001" abbreviation="ml">
> <description>1/1000 of a liter</description>
> </unit>
> <unit id="liter" name="liter" unitType="volume" parentSI="cubicMeter" multiplierToSI=".001" abbreviation="L">
> <description>1000 cm^3</description>
> </unit>
>
> <unit id="gallon" name="gallon" parentSI="liter" multiplierToSI="3.785412" abbreviation="gal">
> <description>us liquid gallon</description>
> </unit>
> <unit id="quart" name="quart" parentSI="liter" multiplierToSI=".946353">
> <description>us liquid quart</description>
> </unit>
>
> <unit id="bushel" name="bushel" unitType="volume" multiplierToSI="0.035239">
> <description>1 bushel = 35.23907 liters</description>
> </unit>
>
> <unit id="cubicInch" name="cubicInch" parentSI="liter" unitType="volume" multiplierToSI=".000016387064">
> <description>cubic inch</description>
> </unit>
>
> <unit id="pint" name="pint" parentSI="liter" abbreviation="pint" multiplierToSI=".473176">
> <description>this is a US liquid pint</description>
> </unit>
>
>
> <!--angles-->
> <unit id="radian" name="radian" unitType="angle" multiplierToSI="1" abbreviation="rad">
> <description>radian</description>
> </unit>
> <unit id="degree" name="degree" unitType="angle" parentSI="radian" multiplierToSI=".0174532924" abbreviation="deg">
> <description>radian</description>
> </unit>
> <unit id="gradient" name="gradient" unitType="angle" parentSI="radian" multiplierToSI="63.661977" abbreviation="grad">
> <description>grad</description>
> </unit>
>
> <!--frequency-->
> <unit id="megahertz" name="megahertz" unitType="frequency" parentSI="hertz" multiplierToSI="1000000" abbreviation="MHz">
> <description>megahertz</description>
> </unit>
> <unit id="kilohertz" name="kilohertz" unitType="frequency" parentSI="hertz" multiplierToSI="1000" abbreviation="KHz">
> <description>kilohertz</description>
> </unit>
> <unit id="hertz" name="hertz" unitType="frequency" multiplierToSI="1" abbreviation="Hz">
> <description>hertz</description>
> </unit>
> <unit id="millihertz" name="millihertz" parentSI="hertz" unitType="frequency" multiplierToSI=".000001" abbreviation="mHz">
> <description>millihertz</description>
> </unit>
>
> <!--force -->
> <unit id="newton" name="newton" unitType="force" multiplierToSI="1" abbreviation="N">
> <description>newton</description>
> </unit>
>
> <!--energy-->
> <unit id="joule" name="joule" unitType="energy" multiplierToSI="1" abbreviation="J">
> <description>joule = N*m</description>
> </unit>
> <unit id="calorie" name="calorie" unitType="energy" parentSI="joule" multiplierToSI="4.1868" abbreviation="cal">
> <description>1 cal = 4.1868 J</description>
> </unit>
> <unit id="britishThermalUnit" name="british thermal unit" unitType="energy" parentSI="joule" multiplierToSI="1055.0559" abbreviation="btu">
> <description>1 btu = 1055.0559 J</description>
> </unit>
> <unit id="footPound" name="footPound" unitType="energy" parentSI="joule" multiplierToSI="1.355818" abbreviation="ft-lbs">
> <description>1 ft-lbs = 1.355818 J</description>
> </unit>
>
> <!--luminosity-->
> <unit id="lumen" name="lumen" unitType="luminosity" multiplierToSI="1" abbreviation="lm">
> <description>lumen</description>
> </unit>
>
> <!--illuminance-->
> <unit id="lux" name="lux" unitType="illuminance" multiplierToSI="1" abbreviation="lx">
> <description>lux</description>
> </unit>
>
> <!--radionucleotide Activity-->
> <unit id="becquerel" name="becquerel" unitType="radionucleotideActivity" multiplierToSI="1" abbreviation="Bq">
> <description>becquerel</description>
> </unit>
>
> <!--specific energy-->
> <unit id="gray" name="gray" unitType="specificEnergy" multiplierToSI="1" abbreviation="Gy">
> <description>gray</description>
> </unit>
>
> <!--dose equivalent-->
> <unit id="sievert" name="sievert" unitType="doseEquivalent" multiplierToSI="1" abbreviation="Sv">
> <description>sievert</description>
> </unit>
>
> <!--catalytic activity-->
> <unit id="katal" name="katal" unitType="catalyticActivity" multiplierToSI="1" abbreviation="kat">
> <description>katal</description>
> </unit>
>
> <!--inductance-->
> <unit id="henry" name="henry" unitType="inductance" multiplierToSI="1" abbreviation="H">
> <description>henry</description>
> </unit>
>
> <!--power-->
> <unit id="megawatt" name="megawatt" unitType="power" parentSI="watt" multiplierToSI="1000000" abbreviation="MW">
> <description>megawatt</description>
> </unit>
> <unit id="kilowatt" name="kilowatt" unitType="power" parentSI="watt" multiplierToSI="1000" abbreviation="kW">
> <description>kilowatt</description>
> </unit>
> <unit id="watt" name="watt" unitType="power" multiplierToSI="1" abbreviation="W">
> <description>watt = J/s</description>
> </unit>
> <unit id="milliwatt" name="milliwatt" unitType="power" parentSI="watt" multiplierToSI=".001" abbreviation="mW">
> <description>milliwatt</description>
> </unit>
>
> <!--potiential difference-->
> <unit id="megavolt" name="megavolt" unitType="potentialDifference" parentSI="volt" multiplierToSI="1000000" abbreviation="MV">
> <description>megavolt</description>
> </unit>
> <unit id="kilovolt" name="kilovolt" unitType="potentialDifference" parentSI="volt" multiplierToSI="1000" abbreviation="kV">
> <description>kilovolt</description>
> </unit>
> <unit id="volt" name="volt" unitType="potentialDifference" multiplierToSI="1" abbreviation="V">
> <description>volt</description>
> </unit>
> <unit id="millivolt" name="millivolt" unitType="potentialDifference" parentSI="volt" multiplierToSI=".000001" abbreviation="mV">
> <description>millivolt</description>
> </unit>
>
> <!--capacitance-->
> <unit id="farad" name="farad" unitType="capacitance" multiplierToSI="1" abbreviation="F">
> <description>farad</description>
> </unit>
>
> <!--resistance-->
> <unit id="ohm" name="ohm" unitType="resistance" multiplierToSI="1" abbreviation="Omega">
> <description>ohm</description>
> </unit>
>
> <!--resistivity-->
> <unit id="ohmMeter" name="ohmMeter" unitType="resistivity" multiplierToSI="1">
> <description>ohm meters</description>
> </unit>
>
> <!--conductance-->
> <unit id="siemen" name="siemen" unitType="conductance" multiplierToSI="1" abbreviation="S">
> <description>siemens</description>
> </unit>
>
> <!--magneticFlux-->
> <unit id="weber" name="weber" unitType="magneticFlux" multiplierToSI="1" abbreviation="Wb">
> <description>weber</description>
> </unit>
>
> <!--magneticFlusDensity-->
> <unit id="tesla" name="tesla" unitType="magneticFluxDensity" multiplierToSI="1" abbreviation="T">
> <description>tesla</description>
> </unit>
>
> <!--pressure-->
> <unit id="pascal" name="pascal" unitType="pressure" multiplierToSI="1" abbreviation="Pa">
> <description>pascal</description>
> </unit>
> <unit id="megapascal" name="megapascal" unitType="pressure" parentSI="pascal" multiplierToSI="1000000" abbreviation="MPa">
> <description>megapascal</description>
> </unit>
> <unit id="kilopascal" name="kilopascal" unitType="pressure" parentSI="pascal" multiplierToSI="1000" abbreviation="kPa">
> <description>megapascal</description>
> </unit>
>
> <unit id="atmosphere" name="atmosphere" parentSI="pascal" unitType="pressure" multiplierToSI="101325" abbreviation="atm">
> <description>1 atmosphere = 101325 pascals </description>
> </unit>
> <unit id="bar" name="bar" parentSI="pascal" unitType="pressure" multiplierToSI="100000" abbreviation="bar">
> <description>1 bar = 100000 pascals</description>
> </unit>
> <unit id="millibar" name="millibar" parentSI="pascal" unitType="pressure" multiplierToSI="100000000" abbreviation="mbar">
> <description>millibar</description>
> </unit>
>
> <!--arealMassDensity-->
> <unit id="kilogramsPerSquareMeter" name="kilogramsPerSquareMeter" unitType="arealMassDensity" multiplierToSI="1">
> <description>kilograms per square meter</description>
> </unit>
> <unit id="gramsPerSquareMeter" name="gramsPerSquareMeter" parentSI="kilogramsPerSquareMeter" unitType="arealMassDensity" multiplierToSI=".001">
> <description>grams per square meter</description>
> </unit>
> <unit id="milligramsPerSquareMeter" name="milligramsPerSquareMeter" unitType="arealMassDensity" parentSI="kilogramsPerSquareMeter" multiplierToSI="0.000001">
> <description>milligrams Per Square Meter</description>
> </unit>
> <unit id="kilogramsPerHectare" name="kilogramsPerHectare" unitType="arealMassDensity" parentSI="kilogramsPerSquareMeter" multiplierToSI=".0001">
> <description>kilograms per hectare</description>
> </unit>
> <unit id="tonnePerHectare" name="tonnePerHectare" unitType="arealMassDensity" parentSI="kilogramsPerSquareMeter" multiplierToSI=".1">
> <description>metric ton or tonne per hectare</description>
> </unit>
> <unit id="poundsPerSquareInch" name="poundsPerSquareInch" unitType="arealMassDensity" parentSI="kilogramsPerSquareMeter" multiplierToSI="17.85">
> <description>lbs/square inch</description>
> </unit>
>
> <!--massDensity-->
> <unit id="kilogramPerCubicMeter" name="kilogramPerCubicMeter" unitType="massDensity" multiplierToSI="1">
> <description>kilogram per cubic meter</description>
> </unit>
> <unit id="milliGramsPerMilliLiter" name="milliGramsPerMilliLiter" unitType="massDensity" abbreviation="mg/ml" parentSI="kilogramsPerCubicMeter" multiplierToSI="1">
> <description>grams per milliliter</description>
> </unit>
> <unit id="gramsPerLiter" name="gramsPerLiter" unitType="massDensity" abbreviation="g/l" parentSI="kilogramsPerCubicMeter" multiplierToSI="1">
> <description>grams per liter</description>
> </unit>
> <unit id="milligramsPerCubicMeter" name="milligramsPerCubicMeter" unitType="massDensity" parentSI="kilogramsPerCubicMeter" multiplierToSI=".000001">
> <description>milligrams Per Cubic Meter</description>
> </unit>
> <unit id="microgramsPerLiter" name="microgramsPerLiter" unitType="massDensity" parentSI="kilogramsPerCubicMeter" multiplierToSI="0.000001">
> <description>micrograms / liter</description>
> </unit>
> <unit id="milligramsPerLiter" name="milligramsPerLiter" unitType="massDensity" parentSI="kilogramsPerCubicMeter" multiplierToSI="0.001">
> <description>milligrams / liter</description>
> </unit>
> <unit id="gramsPerCubicCentimeter" name="gramsPerCubicCentimeter" unitType="massDensity" parentSI="kilogramsPerCubicMeter" multiplierToSI="1000">
> <description>grams per cubic centimeter</description>
> </unit>
> <unit id="gramsPerMilliliter" name="gramsPerMilliliter" unitType="massDensity" parentSI="kilogramsPerCubicMeter" multiplierToSI="1000">
> <description>grams per milliliter</description>
> </unit>
>
> <!--volumetricMassDensityRate-->
> <unit id="gramsPerLiterPerDay" name="gramsPerLiterPerDay" unitType="volumetricMassDensityRate" multiplierToSI="1">
> <description>grams Per (Liter Per Day)</description>
> </unit>
>
> <!--volumetricRate-->
> <unit id="litersPerSecond" name="litersPerSecond" unitType="volumetricRate" multiplierToSI="1">
> <description>liters per second</description>
> </unit>
> <unit id="cubicMetersPerSecond" name="cubicMetersPerSecond" unitType="volumetricRate" parentSI="litersPerSecond" multiplierToSI="1">
> <description>cubic feet per second</description>
> </unit>
> <unit id="cubicFeetPerSecond" name="cubicFeetPerSecond" unitType="volumetricRate" parentSI="litersPerSecond" multiplierToSI=".3048">
> <description>cubic feet per second</description>
> </unit>
>
> <!--area-->
> <unit id="squareMeter" name="squareMeter" unitType="area" multiplierToSI="1">
> <description>square millmeters</description>
> </unit>
> <unit id="are" name="are" unitType="area" parentSI="squareMeter" multiplierToSI="100">
> <description>100 square meters</description>
> </unit>
> <unit id="hectare" name="hectare" unitType="area" parentSI="squareMeter" multiplierToSI="10000">
> <description>1 hectare is 10^4 square meters</description>
> </unit>
> <unit id="squareKilometers" name="squareKilometers" unitType="area" parentSI="squareMeter" multiplierToSI="1000000">
> <description>square kilometers</description>
> </unit>
> <unit id="squareMillimeters" name="squareMillimeters" unitType="area" parentSI="squareMeter" multiplierToSI=".000001">
> <description>square millmeters</description>
> </unit>
> <unit id="squareCentimeters" name="squareCentimeters" unitType="area" parentSI="squareMeter" multiplierToSI=".0001">
> <description>square centimeters</description>
> </unit>
>
> <unit id="acre" name="acre" unitType="area" parentSI="squareMeter" multiplierToSI="4046.8564">
> <description>1 acre = 4046.8564 square meters or 1 hectare = 2.4710 acres</description>
> </unit>
>
> <unit id="squareFoot" name="squareFoot" unitType="area" parentSI="squareMeter" multiplierToSI=".092903">
> <description>12 inches squared</description>
> </unit>
> <unit id="squareYard" name="squareYard" unitType="area" parentSI="squareMeter" multiplierToSI=".836131">
> <description>36 inches squared</description>
> </unit>
> <unit id="squareMile" name="squareMile" unitType="area" parentSI="squareMeter" multiplierToSI="2589998.49806">
> <description>1 mile squared</description>
> </unit>
>
> <!--volumetricArea-->
> <unit id="litersPerSquareMeter" name="litersPerSquareMeter" unitType="volumetricArea" multiplierToSI="1">
> <description>liters per square meter</description>
> </unit>
> <unit id="bushelsPerAcre" name="bushelsPerAcre" unitType="volumetricArea" parentSI="litersPerSquareMeter" multiplierToSI=".00870">
> <description>bushels per acre -- 1 bushel = 35.23907 liters/1 acre = 4046.8564 squareMeters</description>
> </unit>
> <unit id="litersPerHectare" name="litersPerHectare" unitType="volumetricArea" parentSI="litersPerSquareMeter" multiplierToSI=".0001">
> <description>liters per hectare</description>
> </unit>
>
> <!--arealMass-->
> <unit id="squareMeterPerKilogram" name="squareMeterPerKilogram" unitType="arealMass" multiplierToSI="1">
> <description>square meters per kilogram</description>
> </unit>
>
> <!--speed-->
> <unit id="metersPerSecond" name="metersPerSecond" unitType="speed" parentSI="metersPerSecond" multiplierToSI="1">
> <description>meters per second</description>
> </unit>
> <unit id="feetPerDay" name="feetPerDay" unitType="speed" parentSI="metersPerSecond" multiplierToSI=".00000352778">
> <description>feet per day</description>
> </unit>
> <unit id="feetPerSecond" name="feetPerSecond" unitType="speed" parentSI="metersPerSecond" multiplierToSI=".3048">
> <description>feet per second</description>
> </unit>
> <unit id="feetPerHour" name="feetPerHour" unitType="speed" parentSI="metersPerSecond" multiplierToSI=".000084666">
> <description>feet per hour</description>
> </unit>
> <unit id="yardsPerSecond" name="yardsPerSecond" unitType="speed" parentSI="metersPerSecond" multiplierToSI=".9144">
> <description>yards per second</description>
> </unit>
> <unit id="milesPerHour" name="milesPerHour" unitType="speed" parentSI="metersPerSecond" multiplierToSI=".44704">
> <description>miles per hour</description>
> </unit>
> <unit id="milesPerSecond" name="milesPerSecond" unitType="speed" parentSI="metersPerSecond" multiplierToSI="1609.344">
> <description>miles per second</description>
> </unit>
> <unit id="milesPerMinute" name="milesPerMinute" unitType="speed" parentSI="metersPerSecond" multiplierToSI="26.8224">
> <description>miles per minute</description>
> </unit>
> <unit id="centimetersPerSecond" name="centimetersPerSecond" unitType="speed" parentSI="metersPerSecond" multiplierToSI=".01">
> <description>centimeters per second</description>
> </unit>
> <unit id="millimetersPerSecond" name="millimetersPerSecond" unitType="speed" parentSI="metersPerSecond" multiplierToSI=".0001">
> <description>millimeters per second</description>
> </unit>
> <unit id="centimeterPerYear" name="centimeterPerYear" unitType="speed" parentSI="metersPerSecond" multiplierToSI=".000000000317098">
> <description>centimeter Per Year</description>
> </unit>
> <unit id="knots" name="knots" unitType="speed" parentSI="metersPerSecond" multiplierToSI=".514444">
> <description>knots</description>
> </unit>
> <unit id="kilometersPerHour" name="kilometersPerHour" unitType="speed" parentSI="metersPerSecond" multiplierToSI=".277777">
> <description>km/hr</description>
> </unit>
>
> <!--acceleration-->
> <unit id="metersPerSecondSquared" name="metersPerSecondSquared" unitType="acceleration" multiplierToSI="1">
> <description>meters per second squared</description>
> </unit>
>
> <!--waveNumber-->
> <unit id="waveNumber" name="waveNumber" unitType="reciprocal" multiplierToSI="1">
> <description>1/meters</description>
> </unit>
>
> <!--specificVolume-->
> <unit id="cubicMeterPerKilogram" name="cubicMeterPerKilogram" unitType="specificVolume" multiplierToSI="1">
> <description>cubic meters per kilogram</description>
> </unit>
>
> <!--currentDensity-->
> <unit id="amperePerSquareMeter" name="amperePerSquareMeter" unitType="currentDensity" multiplierToSI="1">
> <description>ampere per meter squared</description>
> </unit>
>
> <!--magneticFieldStrength-->
> <unit id="amperePerMeter" name="amperePerMeter" unitType="magneticFieldStrength" multiplierToSI="1">
> <description>ampere per meter</description>
> </unit>
>
> <!--amountOfSubstanceConcentration-->
> <unit id="molePerCubicMeter" name="molePerCubicMeter" unitType="amountOfSubstanceConcentration" multiplierToSI="1">
> <description>mole per cubic meter</description>
> </unit>
> <unit id="molarity" name="molarity" unitType="amountOfSubstanceConcentration" parentSI="molesPerCubicMeter" multiplierToSI="1000">
> <description>molarity = moles/liter</description>
> </unit>
>
> <!--amountOfSubstanceWeight-->
> <unit id="molality" name="molality" unitType="amountOfSubstanceWeight" multiplierToSI="1">
> <description>molality = moles/kg</description>
> </unit>
>
> <!--luminance-->
> <unit id="candelaPerSquareMeter" name="candelaPerSquareMeter" unitType="luminance" multiplierToSI="1">
> <description>candela Per Square Meter</description>
> </unit>
>
> <!--hydraulicConductivity-->
> <unit id="metersPerDay" name="metersPerDay" unitType="hydraulicConductivity" multiplierToSI="1">
> <description>meters per day</description>
> </unit>
>
> <!--transmissivity-->
> <unit id="metersSquaredPerSecond" name="metersSquaredPerSecond" unitType="transmissivity" multiplierToSI="1">
> <description>meters squared per day</description>
> </unit>
> <unit id="metersSquaredPerDay" name="metersSquaredPerDay" unitType="transmissivity" parentSI="metersSquaredPerSecond" multiplierToSI="86400">
> <description>meters squared per day</description>
> </unit>
> <unit id="feetSquaredPerDay" name="feetSquaredPerDay" unitType="transmissivity" parentSI="metersSquaredPerSecond" multiplierToSI=".000124586">
> <description>feet squared per day</description>
> </unit>
>
> <!--arealMassDensityRate-->
> <unit id="kilogramsPerMeterSquaredPerSecond" name="kilogramsPerMeterSquaredPerSecond" unitType="arealMassDensityRate" multiplierToSI="1">
> <description>grams Per Centimeter Squared Per Second</description>
> </unit>
> <unit id="gramsPerCentimeterSquaredPerSecond" name="gramsPerCentimeterSquaredPerSecond" unitType="arealMassDensityRate" parentSI="kilogramsPerMeterSquaredPerSecond" multiplierToSI=".1">
> <description>grams Per Centimeter Squared Per Second</description>
> </unit>
> <unit id="gramsPerMeterSquaredPerYear" name="gramsPerMeterSquaredPerYear" unitType="arealMassDensityRate" parentSI="kilogramsPerMeterSquaredPerSecond" multiplierToSI=".0000000000317098">
> <description>grams Per Meter Squared Per Year</description>
> </unit>
> <unit id="gramsPerHectarePerDay" name="gramsPerHectarePerDay" unitType="arealMassDensityRate" parentSI="kilogramsPerMeterSquaredPerSecond" multiplierToSI=".0000000000011574">
> <description>grams Per Meter Squared Per Year</description>
> </unit>
> <unit id="kilogramsPerHectarePerYear" name="kilogramsPerHectarePerYear" unitType="arealMassDensityRate" parentSI="kilogramsPerMeterSquaredPerSecond" multiplierToSI=".000317">
> <description>kilograms Per Hectare Per Year</description>
> </unit>
> <unit id="kilogramsPerMeterSquaredPerYear" name="kilogramsPerMeterSquaredPerYear" unitType="arealMassDensityRate" parentSI="kilogramsPerMeterSquaredPerSecond" multiplierToSI="0000000317">
> <description>kilograms Per Meter Squared Per Year</description>
> </unit>
>
> <!--amountOfSubstanceWeight-->
> <unit id="molesPerKilogram" name="molesPerKilogram" unitType="amountOfSubstanceWeight" multiplierToSI="1">
> <description>moles per kilogram</description>
> </unit>
> <unit id="molesPerGram" name="molesPerGram" unitType="amountOfSubstanceWeight" parentSI="molesPerKilogram" multiplierToSI="1000">
> <description>moles per gram</description>
> </unit>
> <unit id="millimolesPerGram" name="millimolesPerGram" unitType="amountOfSubstanceWeight" parentSI="molesPerKilogram" multiplierToSI="1">
> <description>millimoles per gram</description>
> </unit>
>
> <!--amountOfSubstanceWeightFlux-->
> <unit id="molesPerKilogramPerSecond" name="molesPerKilogramPerSecond" unitType="amountOfSubstanceWeightFlux" multiplierToSI="1">
> <description>nanomoles Per Gram Per Second</description>
> </unit>
> <unit id="nanomolesPerGramPerSecond" name="amountOfSubstanceWeightFlux" parentSI="molesPerKilogramPerSecond" multiplierToSI="0.000001" unitType="amountOfSubstanceWeightFlux">
> <description>nanomoles Per Gram Per Second</description>
> </unit>
>
> <!--massFlux-->
> <unit id="kilogramsPerSecond" name="kilogramsPerSecond" unitType="massFlux" multiplierToSI="1">
> <description>kilograms per second</description>
> </unit>
> <unit id="tonnesPerYear" name="tonnesPerYear" unitType="massFlux" parentSI="kilogramsPerSecond" multiplierToSI=".0000317">
> <description>tonnes Per Year</description>
> </unit>
> <unit id="gramsPerYear" name="gramsPerYear" unitType="massFlux" parentSI="kilogramsPerSecond" multiplierToSI=".0000000000317">
> <description>grams Per Year</description>
> </unit>
>
> <!--numeric densities-->
> <unit id="numberPerMeterSquared" name="numberPerMeterSquared" unitType="arealDensity" multiplierToSI="1">
> <description>number per meter squared</description>
> </unit>
> <unit id="numberPerKilometerSquared" name="numberPerKilometerSquared" unitType="arealDensity" parentSI="numberPerMeterSquared" multiplierToSI="0.000001">
> <description>number per kilometer squared</description>
> </unit>
>
> <!--volumetricDensity-->
> <unit id="numberPerMeterCubed" name="numberPerMeterCubed" unitType="volumetricDensity" multiplierToSI="1">
> <description>number per meter cubed</description>
> </unit>
>
> <!--massSpecificLength-->
> <unit id="metersPerGram" name="metersPerGram" unitType="massSpecificLength" multiplierToSI="1">
> <description>meters per gram</description>
> </unit>
>
> <!--massSpecificVolume-->
> <unit id="cubicMicrometersPerGram" name="cubicMicrometersPerGram" unitType="massSpecificVolume" multiplierToSI="1">
> <description>cubic micrometers per gram</description>
> </unit>
>
> <!--massAmount-->
> <unit id="numberPerGram" name="numberPerGram" unitType="massAmount" multiplierToSI="1">
> <description>number of things per gram</description>
> </unit>
> </stmml:unitList>
--
-----------------------
Chad Berkley
National Center for
Ecological Analysis
and Synthesis (NCEAS)
berkley at nceas.ucsb.edu
-----------------------
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