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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: age; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: total ring width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: earlywood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
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            <gco:CharacterString>What: latewood width; Material: null</gco:CharacterString>
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                            <gmd:URL>https://www.ncei.noaa.gov/products/paleoclimatology/paleoenvironmental-standard-terms-thesaurus</gmd:URL>
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ABSTRACT SUPPLIED BY ORIGINATOR: The utility of a high-resolution snow-hydrologic model to derive climatological indices that describe the variability in radial growth of four conifer species in two Sierra Nevada sites is presented herein. Nine annual indices associated with radial growth were developed to represent the winter dormancy, characteristics of the snowpack and soil water content, and the duration of the seasons. Site chronologies of earlywood (EW) and latewood (LW) ring widths were developed for mountain hemlock (Tsuga mertensiana), red fir (Abies magnifica), white fir (Abies concolor), and ponderosa pine (Pinus ponderosa) at two sites on leeward and windward slopes. The signal strength for annual climatological indices derived from model output was tested with correlation and regression, in combination with principal components analysis. Results show significant snow-related climate signal in the tree-ring data, with substantial differences between species and between EW and LW. Dependence on previous year's snow and soil moisture (a lagged response) were found for EW of hemlock and red fir. The primary EW-LW signal contrast for those species is a shift toward dependence on current-year moisture conditions for LW, especially for red fir. Lagged climate response was less evident for white fir and ponderosa pine. Regression of tree-ring series on principal components of climatological indices showed a stronger average signal in EW (R2 = 0.48) than in LW (R2 = 0.35). Differences in tree-ring hydrologic signal at the two sites are attributed to microclimate and contrasts in snow regime. Results attest to the hydrologic model usefulness for investigating temporal relationships between tree rings and local climate.</gco:CharacterString>
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                    <gco:CharacterString>/treering/measurements/northamerica/usa/ca691.rwl</gco:CharacterString>
                  </gmd:name>
                  <gmd:description>
                    <gco:CharacterString>Raw Measurements</gco:CharacterString>
                  </gmd:description>
                  <gmd:function>
                    <gmd:CI_OnLineFunctionCode codeList="https://data.noaa.gov/resources/iso19139/schema/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue="download">download</gmd:CI_OnLineFunctionCode>
                  </gmd:function>
                </gmd:CI_OnlineResource>
              </gmd:onLine>
            </gmd:MD_DigitalTransferOptions>
          </gmd:distributorTransferOptions>
          <gmd:distributorTransferOptions>
            <gmd:MD_DigitalTransferOptions>
              <gmd:onLine>
                <gmd:CI_OnlineResource>
                  <gmd:linkage>
                    <gmd:URL>https://www.ncei.noaa.gov/pub/data/paleo/treering/measurements/northamerica/usa/ca691-rwl-noaa.txt</gmd:URL>
                  </gmd:linkage>
                  <gmd:protocol>
                    <gco:CharacterString>HTTPS</gco:CharacterString>
                  </gmd:protocol>
                  <gmd:applicationProfile>
                    <gco:CharacterString>Download</gco:CharacterString>
                  </gmd:applicationProfile>
                  <gmd:name>
                    <gco:CharacterString>NCEI Direct Download</gco:CharacterString>
                  </gmd:name>
                  <gmd:description>
                    <gco:CharacterString>Direct download links for dataset files.</gco:CharacterString>
                  </gmd:description>
                  <gmd:function>
                    <gmd:CI_OnLineFunctionCode codeList="https://data.noaa.gov/resources/iso19139/schema/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue="download">download</gmd:CI_OnLineFunctionCode>
                  </gmd:function>
                </gmd:CI_OnlineResource>
              </gmd:onLine>
            </gmd:MD_DigitalTransferOptions>
          </gmd:distributorTransferOptions>
          <gmd:distributorTransferOptions>
            <gmd:MD_DigitalTransferOptions>
              <gmd:onLine>
                <gmd:CI_OnlineResource>
                  <gmd:linkage>
                    <gmd:URL>https://www.ncei.noaa.gov/pub/data/paleo/treering/measurements/correlation-stats/ca691.txt</gmd:URL>
                  </gmd:linkage>
                  <gmd:protocol>
                    <gco:CharacterString>HTTPS</gco:CharacterString>
                  </gmd:protocol>
                  <gmd:applicationProfile>
                    <gco:CharacterString>Download</gco:CharacterString>
                  </gmd:applicationProfile>
                  <gmd:name>
                    <gco:CharacterString>/treering/measurements/correlation-stats/ca691.txt</gco:CharacterString>
                  </gmd:name>
                  <gmd:description>
                    <gco:CharacterString>Correlation</gco:CharacterString>
                  </gmd:description>
                  <gmd:function>
                    <gmd:CI_OnLineFunctionCode codeList="https://data.noaa.gov/resources/iso19139/schema/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue="download">download</gmd:CI_OnLineFunctionCode>
                  </gmd:function>
                </gmd:CI_OnlineResource>
              </gmd:onLine>
            </gmd:MD_DigitalTransferOptions>
          </gmd:distributorTransferOptions>
        </gmd:MD_Distributor>
      </gmd:distributor>
    </gmd:MD_Distribution>
  </gmd:distributionInfo>
  <gmd:metadataMaintenance>
    <gmd:MD_MaintenanceInformation>
      <gmd:maintenanceAndUpdateFrequency>
        <gmd:MD_MaintenanceFrequencyCode codeList="https://data.noaa.gov/resources/iso19139/schema/resources/Codelist/gmxCodelists.xml#MD_MaintenanceFrequencyCode" codeListValue="asNeeded">asNeeded</gmd:MD_MaintenanceFrequencyCode>
      </gmd:maintenanceAndUpdateFrequency>
      <gmd:maintenanceNote>
        <gco:CharacterString>This ISO metadata record was translated from DIF metadata using dif-9x-to-iso-19115-2.xsl Version: 2022-06-21</gco:CharacterString>
      </gmd:maintenanceNote>
    </gmd:MD_MaintenanceInformation>
  </gmd:metadataMaintenance>
</gmi:MI_Metadata>