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      <identifier>oai:mercury-ops2.ornl.gov:ornldaac_1235</identifier>

      <datestamp>2017-01-20T09:44:48Z</datestamp>

      <setSpec>ORNLDAAC</setSpec> 	

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				<DIF xmlns:fo="http://www.w3.org/1999/XSL/Format">
<Entry_ID>GLOBAL_SRDB_V3</Entry_ID>
<Entry_Title>A Global Database of Soil Respiration Data, Version 3.0</Entry_Title>
<Data_Set_Citation>
<Dataset_Creator>BOND-LAMBERTY, B.P.; THOMSON, A.M.</Dataset_Creator>
<Dataset_Title>A Global Database of Soil Respiration Data, Version 3.0</Dataset_Title>
<Dataset_Release_Date>2014</Dataset_Release_Date>
<Dataset_Release_Place>Oak Ridge, Tennessee, U.S.A.</Dataset_Release_Place>
<Dataset_Publisher>Oak Ridge National Laboratory Distributed Active Archive Center</Dataset_Publisher>
<Version/>
<Data_Presentation_Form>Online Files</Data_Presentation_Form>
<Other_Citation_Details>doi:10.3334/ORNLDAAC/1235</Other_Citation_Details>
<Online_Resource>1235</Online_Resource>
</Data_Set_Citation>
<Summary>ABSTRACT: This data set provides an update of the soil respiration database (SRDB), a near-universal compendium of published soil respiration (RS) data. Soil respiration, the flux of autotrophically- and heterotrophically-generated CO2 from the soil to the atmosphere, remains the least well-constrained component of the terrestrial Carbon cycle. The database encompasses all published studies that report at least one of the following data measured in the field (not laboratory): annual RS, mean seasonal RS, a seasonal or annual partitioning of RS into its sources fluxes, RS temperature response (Q10), or RS at 10 degrees C. The SRDB's orientation is thus to seasonal and annual fluxes, not shorter-term or chamber-specific measurements, and the database is dominated by temperate, well-drained forest measurement locations. The data set includes a file of RS data and a linked file of study bibliographic data; both files are in comma-separated format.</Summary>
<Temporal_Coverage>
<Start_Date>1961-01-01</Start_Date>
<Stop_Date>2011-12-31</Stop_Date>
</Temporal_Coverage>
<Data_Set_Progress>COMPLETE</Data_Set_Progress>
<Spatial_Coverage>
<Southernmost_Latitude>-78.02</Southernmost_Latitude>
<Northernmost_Latitude>78.1667</Northernmost_Latitude>
<Westernmost_Longitude>-162.2</Westernmost_Longitude>
<Easternmost_Longitude>175.5</Easternmost_Longitude>
</Spatial_Coverage>
<Project>
<Short_Name>ESIP</Short_Name>
<Long_Name>Earth Science Information Partners Program</Long_Name>
</Project>
<Project>
<Short_Name>EOSDIS</Short_Name>
<Long_Name>Earth Observing System Data Information System</Long_Name>
</Project>
<Access_Constraints/>
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<Personnel>
<Role>TECHNICAL CONTACT</Role>
<First_Name>
				     ORNL DAAC
					</First_Name>
<Last_Name>
						User Services
					</Last_Name>
<Contact_Address>
				ORNL DAAC USER SERVICES OFFICE
        OAK RIDGE NATIONAL LABORATORY
        OAK RIDGE, TENNESSEE 37831 USA</Contact_Address>
</Personnel>
<Personnel>
<Role>DIF AUTHOR</Role>
<Last_Name>ORNL DAAC User Services</Last_Name>
<Email>ornldaac@ornl.gov</Email>
<Phone>(865) 241-3952</Phone>
<Fax>(865) 574-4665</Fax>
<Contact_Address>
<Address>ORNL DAAC User Services Office</Address>
<Address>P.O. Box 2008, MS 6407</Address>
<Address>Oak Ridge National Laboratory</Address>
<City>Oak Ridge</City>
<Province_or_State>Tennessee</Province_or_State>
<Postal_Code>37831-6407</Postal_Code>
<Country>USA</Country>
</Contact_Address>
</Personnel>
<DIF_Creation_Date>2014-08-04</DIF_Creation_Date>
<Data_Center>
<Data_Center_Name>
<Short_Name>ORNL_DAAC</Short_Name>
<Long_Name>THE OAK RIDGE NATIONAL LABORATORY (ORNL) DISTRIBUTED ACTIVE ARCHIVE CENTER (DAAC)</Long_Name>
</Data_Center_Name>
<Data_Center_URL>http://daac.ornl.gov/</Data_Center_URL>
<Data_Set_ID>1235</Data_Set_ID>
<Personnel>
<Role>DATA CENTER CONTACT</Role>
<Last_Name>ORNL DAAC USER SERVICES</Last_Name>
<Email>ornldaac@ornl.gov</Email>
<Phone>+1(865)241-3952</Phone>
<Fax>+1(865)574-4665</Fax>
<Contact_Address>
<Address>ORNL DAAC USER SERVICES OFFICE</Address>
<Address>P.O. Box 2008, MS 6407</Address>
<Address>Oak Ridge National Laboratory</Address>
<City>Oak Ridge</City>
<Province_or_State>Tennessee</Province_or_State>
<Postal_Code>37831-6407</Postal_Code>
<Country>USA</Country>
</Contact_Address>
</Personnel>
</Data_Center>
<Sensor_Name>
<Short_Name/>
<Long_Name/>
</Sensor_Name>
<Source_Name>
<Short_Name/>
<Long_Name/>
</Source_Name>
<Parameters>
<Category>EARTH SCIENCE</Category>
<Topic>AGRICULTURE</Topic>
<Term>SOILS</Term>
<Variable_Level_1>SOIL RESPIRATION</Variable_Level_1>
</Parameters>
<Sensor_Name>
<Short_Name/>
<Long_Name/>
</Sensor_Name>
<Source_Name>
<Short_Name/>
<Long_Name/>
</Source_Name>
<Parameters>
<Category>EARTH SCIENCE</Category>
<Topic>BIOSPHERE</Topic>
<Term>ECOLOGICAL DYNAMICS</Term>
<Variable_Level_1>ECOSYSTEM FUNCTIONS</Variable_Level_1>
</Parameters>
<Sensor_Name>
<Short_Name/>
<Long_Name/>
</Sensor_Name>
<Source_Name>
<Short_Name/>
<Long_Name/>
</Source_Name>
<Parameters>
<Category>EARTH SCIENCE</Category>
<Topic>LAND SURFACE</Topic>
<Term>SOILS</Term>
<Variable_Level_1>SOIL RESPIRATION</Variable_Level_1>
</Parameters>
<Sensor_Name>
<Short_Name/>
<Long_Name>LICOR SOIL GAS CHAMBER</Long_Name>
</Sensor_Name>
<Source_Name>
<Short_Name/>
<Long_Name>FIELD INVESTIGATION</Long_Name>
</Source_Name>
<Parameters>
<Category>EARTH SCIENCE</Category>
<Topic/>
<Term/>
<Variable_Level_1/>
</Parameters>
<Keyword>DATABASE</Keyword>
<Keyword>SOIL PROPERTIES</Keyword>
<Related_URL>
<URL_Content_Type>
<Type>GET DATA</Type>
<Subtype/>
</URL_Content_Type>
<URL>http://daac.ornl.gov/cgi-bin/dsviewer.pl?ds_id=1235</URL>
</Related_URL>
<Related_URL>
<URL_Content_Type>
<Type>VIEW RELATED INFORMATION</Type>
</URL_Content_Type>
<URL>https://daac.ornl.gov//SOILS/guides/global_srdb_v3.html</URL>
<Description>A Global Database of Soil Respiration Data, Version 3.0</Description>
</Related_URL>
<IDN_Node>
<Short_Name>USA/NASA</Short_Name>
</IDN_Node>
<Data_Set_Language>ENGLISH</Data_Set_Language>
<Originating_Metadata_Node>GCMD</Originating_Metadata_Node>
<Metadata_Name>CEOS IDN DIF</Metadata_Name>
<Metadata_Version>VERSION 9.0</Metadata_Version>
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