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Data Center


The <Data Center> is the data center, organization, or institution responsible for distributing the data.

  • <Data_Center_Name> consists of the data center <Short_Name> and <Long_Name>, which is the name of the data center that distributes the data.
  • <Data_Center_URL> is the URL of the data center.
  • <Data_Set_ID> is a data set identifier assigned by the data center (may or may not be the same as the <Entry_ID>.
  • <Personnel> Contact information for the data including name, email, phone, FAX, and address information. See the < Personnel> entry for a complete description.
   <Short_Name>Data Center short name from the controlled list, up to 160 characters</Short_Name>
   <Long_Name>Data Center long name from controlled list, up to 240 characters </Long_Name>
   <Data_Center_URL>URL up to 600 characters</Data_Center_URL>
   <Data_Set_ID>Text up to 80 characters</Data_Set_ID>
   <First_Name>Text up to 80 characters</First_Name>
   <Middle_Name>Text up to 80 characters</Middle_Name>
   <Last_Name> Text up to 80 characters</Last_Name>
   <Email>Text up to 80 characters, of the form janedoe@domain</Email>
   <Phone>Text up to 80 characters of the form xxx-xxx-xxxx. Outside of the US and Canada, the country code should be added (+xx-xxx-xxxx)</Phone>
   <Fax>Text up to 80 characters (see syntax for </Fax>
   <Address>Text up to 80 characters</Address>
   <City>Text up to 80 characters</City>
   <Province_or_State>Text up to 80 characters</Province_or_State>
   <Postal_Code>Text up to 80 characters</Postal_Code>
   <Country>Text up to 80 characters</Country>
  • Characters may be selected from the UTF-8 character set.
  • The <Data_Center> field is required and can be repeated.
  • <Data_Center_Name> may only be used once per <Data Center>.It consists of the data center <Short_Name> and <Long_Name>.If the <Short_Name> does not appear in the list of controlled data center keywords, a new data center <Short_Name> may be submitted.
  • <Data_Center_URL> is a required subfield.
  • <Data_Set_ID> is an optional subfield and may be repeated within the <Data Center> field as often as necessary.
  • <Personnel> is a required subfield and may be repeated within the <Data Center> field as often as necessary. See the <Personnel> entry for usage.
  • <Role> is required and is not repeatable. The only allowable <Role> within <Data_Center> is "Data Center Contact".
  • <Email>, <Phone> and <FAX> are optional and repeatable. See the <Personnel> entry for usage.
  • <Address> may be repeated as often as necessary. See the <Personnel> entry for usage.


   <Short_Name>LP DAAC</Short_Name>
   <Long_Name>Land Processes Distributed Active Archive Center</Long_Name>
   <Phone>(Toll Free) (866) 573-3222</Phone>
   <Phone>(605) 594-6116</Phone>
   <Fax>(605) 594-6963</Fax>
   <Address>LP DAAC User Services</Address>
   <Address>U.S. Geological Survey (USGS)</Address>
   <Address>Center for Earth Resources Observation and Science(EROS)</Address>
   <Address>47914 252nd Street</Address>
   <City>Sioux Falls</City>

This document should be cited as:
Directory Interchange Format (DIF) Writer's Guide, 2018.
Global Change Master Directory.
National Aeronautics and Space Administration.

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