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      <Note>CC0 1.0 Universal is the Creative Commons license applicable to all publicly available SPASE metadata descriptions</Note>
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  <NumericalData>
    <ResourceID>spase://NASA/NumericalData/Wind/3DP/EESA_LOW/Moments</ResourceID>
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    <ResourceHeader>
      <ResourceName>Wind 3DP EESA-LOW Electron Moments</ResourceName>
      <DOI>https://doi.org/10.48322/4tk0-a011</DOI>
      <ReleaseDate>2025-12-04T13:32:48Z</ReleaseDate>
      <RevisionHistory>
        <RevisionEvent>
          <ReleaseDate>2021-05-31T12:34:56.789</ReleaseDate>
          <Note>Updated to SPASE Version 2.3.2 if needed, Applied quality control for DOI usage, LFB</Note>
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          <ReleaseDate>2025-09-30T14:25:25Z</ReleaseDate>
          <Note>Updated PublishedBy name to match ROR Registry. Added ResourceType and NamingAuthority. Changed http to https in top-level schemaLocation attribute. Fixed version number separator in top-level schemaLocation attribute. Matched version number in schemaLocation attribute to updated value in Version tag. ZCB</Note>
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        <RevisionEvent>
          <ReleaseDate>2025-12-04T13:32:48Z</ReleaseDate>
          <Note>Added MetadataRightsList and RightsList(s). Updated to 2.7.1. ZCB</Note>
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      <Description>Electron Moments (ground-computed), EESA Low, Wind 3DP - R. Lin (UC Berkeley)</Description>
      <Acknowledgement>Principle Investigators Robert Lin and Stuart Bale, the Wind 3DP team, and the Space Physics Data Facility (SPDF)/NASA GSFC</Acknowledgement>
      <PublicationInfo>
        <Authors>Lin, Robert P.; Bale, Stuart D.; &amp; Wilson III, Lynn B.</Authors>
        <PublicationDate>2021-01-01T00:00:00</PublicationDate>
        <PublishedBy>Space Physics Data Facility; University of California, Berkeley</PublishedBy>
      </PublicationInfo>
      <Contact>
        <PersonID>spase://SMWG/Person/Robert.P.Lin</PersonID>
        <Role>PrincipalInvestigator</Role>
      </Contact>
      <Contact>
        <PersonID>spase://SMWG/Person/Stuart.D.Bale</PersonID>
        <Role>PrincipalInvestigator</Role>
      </Contact>
      <Contact>
        <PersonID>spase://SMWG/Person/Robert.E.McGuire</PersonID>
        <Role>GeneralContact</Role>
      </Contact>
      <InformationURL>
        <Name>Caveats to the use of Wind 3DP data</Name>
        <URL>https://spdf.gsfc.nasa.gov/pub/data/wind/3dp/wind3dp_caveats.pdf</URL>
        <Description>Caveats for the correct use of Wind 3DP datasets</Description>
      </InformationURL>
      <InformationURL>
        <Name>Wind 3DP home page at UCB</Name>
        <URL>http://sprg.ssl.berkeley.edu/wind3dp/</URL>
        <Description>home page at UCB (with plotting and digital data)</Description>
      </InformationURL>
      <PriorID>spase://VSPO/NumericalData/Wind/3DP/EESA_LOW/Moments</PriorID>
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      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
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          <Note>CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products</Note>
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      </RightsList>
      <AccessURL>
        <Name>FTPS from SPDF (not with most browsers)</Name>
        <URL>ftps://spdf.gsfc.nasa.gov/pub/data/wind/3dp/3dp_elm2/</URL>
        <Description>In CDF via ftp from SPDF</Description>
      </AccessURL>
      <AccessURL>
        <Name>HTTPS from SPDF</Name>
        <URL>https://spdf.gsfc.nasa.gov/pub/data/wind/3dp/3dp_elm2/</URL>
        <Description>In CDF via HTTP from SPDF</Description>
      </AccessURL>
      <Format>CDF</Format>
      <Acknowledgement>Please acknowledge the CDAWeb team at GSFC/SPDF.</Acknowledgement>
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          <Note>CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products</Note>
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      <AccessURL>
        <Name>CDAWeb</Name>
        <URL>https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=WI_ELM2_3DP&amp;index=sp_phys</URL>
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          <Note>CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products</Note>
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      <AccessURL>
        <Name>CDAWeb HAPI Server</Name>
        <URL>https://cdaweb.gsfc.nasa.gov/hapi</URL>
        <Style>HAPI</Style>
        <ProductKey>WI_ELM2_3DP</ProductKey>
        <Description>Web Service to this product using the HAPI interface.</Description>
      </AccessURL>
      <Format>CSV</Format>
    </AccessInformation>
    <InstrumentID>spase://SMWG/Instrument/Wind/3DP</InstrumentID>
    <MeasurementType>ThermalPlasma</MeasurementType>
    <TemporalDescription>
      <TimeSpan>
        <StartDate>1994-11-15T12:54:33.000Z</StartDate>
        <RelativeStopDate>-P30D</RelativeStopDate>
      </TimeSpan>
    </TemporalDescription>
    <ObservedRegion>Heliosphere.NearEarth</ObservedRegion>
    <Caveats>Note Feb2015 Correct spacecraft potential is important to scientifically useful results .No documentation found on how this potential has been calculated.</Caveats>
    <Parameter>
      <Name>Epoch</Name>
      <ParameterKey>Epoch</ParameterKey>
      <Description>Number of milliseconds since CDF_EPOCH: 0000-01-01T00:00:00.000.</Description>
      <Units>ms</Units>
      <UnitsConversion>1e-3&gt;s</UnitsConversion>
      <ValidMin>01-Jan-1956 00:00:00.000</ValidMin>
      <ValidMax>01-Jan-2083 00:00:00.000</ValidMax>
      <FillValue>-1.0E31</FillValue>
      <Support>
        <SupportQuantity>Temporal</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>Unix Time</Name>
      <ParameterKey>TIME</ParameterKey>
      <Description>Time since 1970-01-01T00:00:00Z in seconds</Description>
      <Units>s</Units>
      <Support>
        <SupportQuantity>Temporal</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>Spacecraft Potential</Name>
      <ParameterKey>SC_POT</ParameterKey>
      <Description>Spacecraft potential estimated from electron ONLY measurements</Description>
      <Units>ev</Units>
      <ValidMin>0.0</ValidMin>
      <ValidMax>1000000.0</ValidMax>
      <Support>
        <SupportQuantity>Other</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>Spacecraft Current Contribution</Name>
      <ParameterKey>SC_CURRENT</ParameterKey>
      <Description>Current contribution to the spacecraft from thermal electrons</Description>
      <Units>#/cm2-sec</Units>
      <Support>
        <SupportQuantity>Other</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>Magnetic field vector in GSE coordinates</Name>
      <ParameterKey>MAGF</ParameterKey>
      <Description>magnetic field vector interpolated (linearly) to the time of the EESA Low distribution, in GSE cartesian components</Description>
      <Units>nT</Units>
      <CoordinateSystem>
        <CoordinateRepresentation>Cartesian</CoordinateRepresentation>
        <CoordinateSystemName>GSE</CoordinateSystemName>
      </CoordinateSystem>
      <Structure>
        <Size>3</Size>
        <Element>
          <Name>Bx</Name>
          <Index>1</Index>
          <ValidMin>-1000</ValidMin>
          <ValidMax>1000</ValidMax>
        </Element>
        <Element>
          <Name>By</Name>
          <Index>2</Index>
          <ValidMin>-1000</ValidMin>
          <ValidMax>1000</ValidMax>
        </Element>
        <Element>
          <Name>Bz</Name>
          <Index>3</Index>
          <ValidMin>-1000</ValidMin>
          <ValidMax>1000</ValidMax>
        </Element>
      </Structure>
      <Field>
        <Qualifier>Moment</Qualifier>
        <Qualifier>Vector</Qualifier>
        <FieldQuantity>Magnetic</FieldQuantity>
      </Field>
    </Parameter>
    <Parameter>
      <Name>Electron Density</Name>
      <ParameterKey>DENSITY</ParameterKey>
      <Description>Electron number density</Description>
      <Units>#/cm3</Units>
      <UnitsConversion>1e6-&gt;m^3</UnitsConversion>
      <Particle>
        <ParticleType>Electron</ParticleType>
        <Qualifier>Moment</Qualifier>
        <ParticleQuantity>NumberDensity</ParticleQuantity>
        <EnergyRange>
          <Low>3</Low>
          <High>30000</High>
          <Units>eV</Units>
        </EnergyRange>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>Electron Temperature</Name>
      <ParameterKey>AVGTEMP</ParameterKey>
      <Description>Average electron temperature</Description>
      <Units>eV</Units>
      <UnitsConversion>1.160445e4&gt;K</UnitsConversion>
      <Particle>
        <ParticleType>Electron</ParticleType>
        <Qualifier>Moment</Qualifier>
        <ParticleQuantity>Temperature</ParticleQuantity>
        <EnergyRange>
          <Low>3</Low>
          <High>30000</High>
          <Units>eV</Units>
        </EnergyRange>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>Electron probable speed</Name>
      <ParameterKey>VTHERMAL</ParameterKey>
      <Description>lectron most probable speed</Description>
      <Units>km/sec</Units>
      <Particle>
        <ParticleType>Electron</ParticleType>
        <ParticleQuantity>ThermalSpeed</ParticleQuantity>
        <EnergyRange>
          <Low>3</Low>
          <High>30000</High>
          <Units>eV</Units>
        </EnergyRange>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>Electron Velocity</Name>
      <ParameterKey>VELOCITY</ParameterKey>
      <Description>electron Flow Velocity, GSE cartesian</Description>
      <Units>km/s</Units>
      <CoordinateSystem>
        <CoordinateRepresentation>Cartesian</CoordinateRepresentation>
        <CoordinateSystemName>GSE</CoordinateSystemName>
      </CoordinateSystem>
      <Structure>
        <Size>3</Size>
        <Element>
          <Name>electron_Vx</Name>
          <Index>1</Index>
          <ValidMin>-1000</ValidMin>
          <ValidMax>1000</ValidMax>
        </Element>
        <Element>
          <Name>electron_Vy</Name>
          <Index>2</Index>
          <ValidMin>-1000</ValidMin>
          <ValidMax>1000</ValidMax>
        </Element>
        <Element>
          <Name>electron_Vz</Name>
          <Index>3</Index>
          <ValidMin>-1000</ValidMin>
          <ValidMax>1000</ValidMax>
        </Element>
      </Structure>
      <Particle>
        <ParticleType>Electron</ParticleType>
        <ParticleQuantity>FlowVelocity</ParticleQuantity>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>Electron Flux</Name>
      <ParameterKey>FLUX</ParameterKey>
      <Description>electron total number flux - cartesian GSE</Description>
      <Units>#/(cm^2*ster*eV*s)</Units>
      <Structure>
        <Size>3</Size>
      </Structure>
      <Particle>
        <ParticleType>Electron</ParticleType>
        <ParticleQuantity>NumberFlux</ParticleQuantity>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>Electron Pressure Tensor</Name>
      <ParameterKey>PTENS</ParameterKey>
      <Description>electron Pressure Tensor calculated in the GSE coordinate basis. The elements correspond to, in the following order: XX, YY, ZZ, XY, XZ, YZ</Description>
      <Particle>
        <ParticleType>Electron</ParticleType>
        <Qualifier>Tensor</Qualifier>
        <ParticleQuantity>Pressure</ParticleQuantity>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>Electron Momentum Flux Tensor</Name>
      <ParameterKey>MFTENS</ParameterKey>
      <Description>electron Momentum Flux Tensor calculated in the GSE coordinate basis. The elements correspond to, in the following order: XX, YY, ZZ, XY, XZ, YZ</Description>
      <Particle>
        <ParticleType>Electron</ParticleType>
        <Qualifier>Tensor</Qualifier>
        <ParticleQuantity>NumberFlux</ParticleQuantity>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>T3</Name>
      <ParameterKey>electron Temperature eigenvalues</ParameterKey>
      <Description>electron Temperature eigenvalues after diagonalization of tensor, calculated in the GSE coordinate basis. The elements correspond to: XX, YY, ZZ</Description>
      <Units>eV</Units>
      <Particle>
        <ParticleType>Electron</ParticleType>
        <ParticleQuantity>Temperature</ParticleQuantity>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>Symmetry direction, electron pressure tensor</Name>
      <ParameterKey>SYMM</ParameterKey>
      <Description>ZZ-component of the eigenvectors associated with the eigen values from the diagonalized .T3 (i.e., the eigenvector associated with the Z eigen value from .T3 or .T3[2])</Description>
      <Particle>
        <ParticleType>Electron</ParticleType>
        <Qualifier>Tensor</Qualifier>
        <ParticleQuantity>Pressure</ParticleQuantity>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>electron symmetry direction, latitude</Name>
      <ParameterKey>SYMM_THETA</ParameterKey>
      <Description>Spherical coordinate latitude of SYMM</Description>
      <Units>Degrees</Units>
      <Particle>
        <ParticleType>Electron</ParticleType>
        <Qualifier>DirectionAngle.PolarAngle</Qualifier>
        <ParticleQuantity>Pressure</ParticleQuantity>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>electron symmetry direction, longitude</Name>
      <ParameterKey>SYMM_PHI</ParameterKey>
      <Description>Spherical coordinate longitude of SYMM</Description>
      <Units>Degrees</Units>
      <Particle>
        <ParticleType>Electron</ParticleType>
        <Qualifier>DirectionAngle.AzimuthAngle</Qualifier>
        <ParticleQuantity>Pressure</ParticleQuantity>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>Angle of electron symmetry direction to B</Name>
      <ParameterKey>SYMM_ANG</ParameterKey>
      <Description>angle between the ZZ-component of the eigenvectors associated with the eigen values from the diagonalized .T3 and the magnetic field vector (i.e., .MAGF vector)</Description>
      <Units>Degrees</Units>
      <Support>
        <SupportQuantity>Other</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>Electron temperature tensor.</Name>
      <ParameterKey>MAGT3</ParameterKey>
      <Description>electron temperature tensor rotated into a field-aligned coordinate basis and then taking the diagonal elements only</Description>
      <Units>eV</Units>
      <Particle>
        <ParticleType>Electron</ParticleType>
        <Qualifier>Tensor</Qualifier>
        <ParticleQuantity>Temperature</ParticleQuantity>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>electron energy range</Name>
      <ParameterKey>ERANGE</ParameterKey>
      <Description>electron energy range used to compute the moments</Description>
      <Units>eV</Units>
      <Particle>
        <ParticleType>Electron</ParticleType>
        <ParticleQuantity>Energy</ParticleQuantity>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>Electron mass</Name>
      <ParameterKey>MASS</ParameterKey>
      <Description>electron mass of species. Units are eV/c^2, where c = speed of light in units of km/s. This results is a value of ~5.68566 x 10^(-6) for electrons and ~0.0104389 for protons.</Description>
      <Units>eV/c^2</Units>
      <Particle>
        <ParticleType>Electron</ParticleType>
        <ParticleQuantity>Mass</ParticleQuantity>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>Electron Validity flag</Name>
      <ParameterKey>VALID</ParameterKey>
      <Description>electron Validity flag indicating whether data point is considered valid (0=invalid, 1=valid)</Description>
      <Support>
        <SupportQuantity>Other</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>Electron bulk velocity; magnitude</Name>
      <ParameterKey>VEL_MAG</ParameterKey>
      <Description>electron bulk flow speed</Description>
      <Units>km/s</Units>
      <Particle>
        <ParticleType>Electron</ParticleType>
        <Qualifier>Magnitude</Qualifier>
        <ParticleQuantity>FlowVelocity</ParticleQuantity>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>Electron bulk flow velocity; latitude</Name>
      <ParameterKey>VEL_TH</ParameterKey>
      <Description>electron bulk flow velocity; latitude/theta</Description>
      <Units>Degrees</Units>
      <Particle>
        <ParticleType>Electron</ParticleType>
        <Qualifier>DirectionAngle.PolarAngle</Qualifier>
        <ParticleQuantity>FlowVelocity</ParticleQuantity>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>Electron bulk flow velocity; longitude</Name>
      <ParameterKey>VEL_PHI</ParameterKey>
      <Description>electron bulk flow velocity; longitude/phi</Description>
      <Units>Degrees</Units>
      <Particle>
        <ParticleType>Electron</ParticleType>
        <Qualifier>DirectionAngle.AzimuthAngle</Qualifier>
        <ParticleQuantity>FlowVelocity</ParticleQuantity>
      </Particle>
    </Parameter>
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