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                    <gco:CharacterString>European Petroleum Survey Group</gco:CharacterString>
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                            <gco:CharacterString>EPSG Geodetic Parameter Dataset</gco:CharacterString>
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            <gmx:Anchor xlink:href="http://www.opengis.net/def/crs/EPSG/0/3031" xlink:actuate="onRequest">urn:ogc:def:crs:EPSG::3031</gmx:Anchor>
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            <gco:CharacterString>Antarctic microclimate data</gco:CharacterString>
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              <gmd:date>
                <gco:Date>2004-10-01</gco:Date>
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          <gmd:date>
            <gmd:CI_Date>
              <gmd:date>
                <gco:Date>2004-10-01</gco:Date>
              </gmd:date>
              <gmd:dateType>
                <gmd:CI_DateTypeCode codeList="https://standards.iso.org/iso/19115/resources/Codelists/cat/codelists.xml#CI_DateTypeCode" codeListValue="revision">revision</gmd:CI_DateTypeCode>
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          </gmd:date>
          <gmd:date>
            <gmd:CI_Date>
              <gmd:date>
                <gco:Date>2004-10-01</gco:Date>
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              <gmd:dateType>
                <gmd:CI_DateTypeCode codeList="https://standards.iso.org/iso/19115/resources/Codelists/cat/codelists.xml#CI_DateTypeCode" codeListValue="publication">publication</gmd:CI_DateTypeCode>
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                <gco:Date>2004-10-01</gco:Date>
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                <gmx:Anchor xlink:href="https://data.bas.ac.uk/full-record.php?id=GB/NERC/BAS/PDC/00002" xlink:actuate="onRequest">GB/NERC/BAS/PDC/00002</gmx:Anchor>
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        <gco:CharacterString>Automatic data loggers are often used to monitor environmental variables such as temperature (of air and soil), humidity, wind speed and radiation in microclimates where experimental or ecological studies are being carried out. Some loggers are only in operation for a few weeks or months while others have been run for several years. Loggers have been sited in a wide variety of locations from the sub-Antarctic (South Georgia), South Orkney Islands (Signy) various Peninsula sites (as far south as Alexander Island - 70S), and some continental localities (e.g. Victoria Land). These form an important data resource to the climate conditions experienced by Antarctic terrestrial organisms. &#xD;
&#xD;
Various types of logger are used. Sensors tend to be deployed at or near ground level and in and around particular types of vegetation, or other experimental sites, such as cloches. Loggers used include Grant, Delta-T, Campbell and Squirrels.&#xD;
&#xD;
Victoria Land data for Kay Island and Edmonson Point in 1995 and 1996 was collected under the BIOTEX 1 experiment of the SCAR BIOTAS (Biological Investigations of Terrestrial Antarctic Systems) Programme.  An overview of BIOTEX is available as a PDF file.</gco:CharacterString>
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            <gmx:Anchor xlink:href="https://ror.org/01rhff309" xlink:actuate="onRequest" xlink:title="ror">NERC EDS UK Polar Data Centre</gmx:Anchor>
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                <gmd:CI_Address>
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                    <gco:CharacterString>British Antarctic Survey, High Cross, Madingley Road</gco:CharacterString>
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                    <gco:CharacterString>Cambridge</gco:CharacterString>
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                    <gmd:URL>https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/</gmd:URL>
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            <gmx:Anchor xlink:href="https://cmr.earthdata.nasa.gov/kms/concept/90e7fd13-2da2-4ba6-9e0c-dbecdf7c2215" xlink:actuate="onRequest">EARTH SCIENCE &gt; Atmosphere &gt; Atmospheric Radiation &gt; Ultraviolet Radiation</gmx:Anchor>
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          <gmd:keyword>
            <gmx:Anchor xlink:href="https://cmr.earthdata.nasa.gov/kms/concept/f634ab55-de40-4d0b-93bc-691bf5408ccb" xlink:actuate="onRequest">EARTH SCIENCE &gt; Atmosphere &gt; Atmospheric Temperature &gt; Air Temperature</gmx:Anchor>
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            <gmx:Anchor xlink:href="https://cmr.earthdata.nasa.gov/kms/concept/35e1f93b-99b3-4430-b477-0ecafa80d67a" xlink:actuate="onRequest">EARTH SCIENCE &gt; Atmosphere &gt; Atmospheric Temperature &gt; Surface Air Temperature</gmx:Anchor>
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            <gmx:Anchor xlink:href="https://cmr.earthdata.nasa.gov/kms/concept/427e5121-a142-41cb-a8e9-a70b7f98eb6a" xlink:actuate="onRequest">EARTH SCIENCE &gt; Atmosphere &gt; Atmospheric Water Vapor &gt; Humidity</gmx:Anchor>
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            <gmx:Anchor xlink:href="https://cmr.earthdata.nasa.gov/kms/concept/91c64c46-d040-4daa-b26c-61952fdfaf50" xlink:actuate="onRequest">EARTH SCIENCE &gt; Biosphere &gt; Plant Taxonomy &gt; Mosses and Liverworts</gmx:Anchor>
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            <gmx:Anchor xlink:href="https://cmr.earthdata.nasa.gov/kms/concept/021714ad-1cae-441c-bb6f-4be866a0f742" xlink:actuate="onRequest">EARTH SCIENCE &gt; Cryosphere &gt; Frozen Ground &gt; Soil Temperature</gmx:Anchor>
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            <gmx:Anchor xlink:href="https://cmr.earthdata.nasa.gov/kms/concept/d559b900-eca6-42a4-9311-0297b2ef98ab" xlink:actuate="onRequest">EARTH SCIENCE &gt; Land Surface &gt; Land Temperature &gt; Land Surface Temperature</gmx:Anchor>
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          <gmd:keyword>
            <gmx:Anchor xlink:href="https://cmr.earthdata.nasa.gov/kms/concept/c67c1e1c-19f1-49de-8b2b-d5ce6f596323" xlink:actuate="onRequest">EARTH SCIENCE &gt; Land Surface &gt; Soils &gt; Thermal Conductivity</gmx:Anchor>
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                <gmx:Anchor xlink:href="https://earthdata.nasa.gov/about/gcmd/global-change-master-directory-gcmd-keywords" xlink:actuate="onRequest">Global Change Master Directory (GCMD) Science Keywords</gmx:Anchor>
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                    <gco:Date>2026-01-27</gco:Date>
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                    <gmx:Anchor xlink:href="https://ror.org/027ka1x80" xlink:actuate="onRequest" xlink:title="ror">Global Change Data Center, Science and Exploration Directorate, Goddard Space Flight Center (GSFC) National Aeronautics and Space Administration (NASA)</gmx:Anchor>
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                            <gco:CharacterString>Global Change Master Directory (GCMD) Keywords</gco:CharacterString>
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                            <gco:CharacterString>The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.</gco:CharacterString>
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