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                    xmlns:mars2020="http://pds.nasa.gov/pds4/mission/mars2020/v1"
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  <Identification_Area>
    <logical_identifier>urn:nasa:pds:mars2020_meda:data_raw_env</logical_identifier>
    <version_id>15.0</version_id>
    <title>Mars 2020 MEDA Environmental Raw Data Collection</title>
    <information_model_version>1.16.0.0</information_model_version>
    <product_class>Product_Collection</product_class>
    <Citation_Information>
      <author_list>Rodriguez-Manfredi, Jose A; de la Torre Juarez, Manuel</author_list>
      <editor_list>Mora Sotomayor, Luis; Huber, L.</editor_list>
      <publication_year>2021</publication_year>
      <keyword>Mars, weather, meteorology, environment</keyword>
      <description>Mars 2020 Mars Environmental Dynamics Analyzer (MEDA) Environmental Raw Data Collection</description>
    </Citation_Information>
    <Modification_History>
      <Modification_Detail>
        <modification_date>2021-08-04</modification_date>
        <version_id>1.0</version_id>
        <description>
          This collection is updated for Mars2020 Release 1.
          See Release Notes document in the Reference List for details.
        </description>
      </Modification_Detail>
      <Modification_Detail>
        <modification_date>2021-10-29</modification_date>
        <version_id>2.0</version_id>
        <description>
          This collection is updated for Mars2020 Release 2.
          See Release Notes document in the Reference List for details.
        </description>
      </Modification_Detail>
      <Modification_Detail>
        <modification_date>2022-03-06</modification_date>
        <version_id>3.0</version_id>
        <description>
          This collection is updated for Mars2020 Release 3.
          See Release Notes document in the Reference List for details.
        </description>
      </Modification_Detail>
      <Modification_Detail>
        <modification_date>2022-07-05</modification_date>
        <version_id>4.0</version_id>
        <description>
          This collection is updated for Mars2020 Release 4.
          See Release Notes document in the Reference List for details.
        </description>
      </Modification_Detail>
      <Modification_Detail>
        <modification_date>2022-11-06</modification_date>
        <version_id>5.0</version_id>
        <description>
          This collection is updated for Mars2020 Release 5.
          See Release Notes document in the Reference List for details.
        </description>
      </Modification_Detail>
      <Modification_Detail>
        <modification_date>2023-03-20</modification_date>
        <version_id>6.0</version_id>
        <description>
          This collection is updated for Mars2020 Release 6.
          See Release Notes document in the Reference List for details.
        </description>
      </Modification_Detail>
      <Modification_Detail>
        <modification_date>2023-07-18</modification_date>
        <version_id>7.0</version_id>
        <description>
          This collection is updated for Mars2020 Release 7.
          See Release Notes document in the Reference List for details.
        </description>
      </Modification_Detail>
      <Modification_Detail>
        <modification_date>2023-11-12</modification_date>
        <version_id>8.0</version_id>
        <description>
          This collection is updated for Mars2020 Release 8.
          See Release Notes document in the Reference List for details.
        </description>
      </Modification_Detail>
      <Modification_Detail>
        <modification_date>2024-03-11</modification_date>
        <version_id>9.0</version_id>
        <description>
          This collection is updated for Mars2020 Release 9.
          See Release Notes document in the Reference List for details.
        </description>
      </Modification_Detail>
      <Modification_Detail>
        <modification_date>2024-07-15</modification_date>
        <version_id>10.0</version_id>
        <description>
          This collection is updated for Mars2020 Release 10.
          See Release Notes document in the Reference List for details.
        </description>
      </Modification_Detail>
      <Modification_Detail>
        <modification_date>2024-11-18</modification_date>
        <version_id>11.0</version_id>
        <description>
          This collection is updated for Mars2020 Release 11.
          See Release Notes document in the Reference List for details.
        </description>
      </Modification_Detail>
      <Modification_Detail>
        <modification_date>2025-03-25</modification_date>
        <version_id>12.0</version_id>
        <description>
          This collection is updated for Mars2020 Release 12.
          See Release Notes document in the Reference List for details.
        </description>
      </Modification_Detail>
      <Modification_Detail>
        <modification_date>2025-07-13</modification_date>
        <version_id>13.0</version_id>
        <description>
          This collection is updated for Mars2020 Release 13.
          See Release Notes document in the Reference List for details.
        </description>
      </Modification_Detail>
      <Modification_Detail>
        <modification_date>2025-11-22</modification_date>
        <version_id>14.0</version_id>
        <description>
          This collection is updated for Mars2020 Release 14.
          See Release Notes document in the Reference List for details.
        </description>
      </Modification_Detail>
      <Modification_Detail>
        <modification_date>2026-03-21</modification_date>
        <version_id>15.0</version_id>
        <description>
          This collection is updated for Mars2020 Release 15.
          See Release Notes document in the Reference List for details.
        </description>
      </Modification_Detail>
    </Modification_History>
  </Identification_Area>
  <Context_Area>
    <Time_Coordinates>
      <start_date_time>2021-02-19T21:28:53.967Z</start_date_time>
      <stop_date_time>2025-12-28T06:48:41.313Z</stop_date_time>
    </Time_Coordinates>
    <Primary_Result_Summary>
      <purpose>Science</purpose>
      <processing_level>Raw</processing_level>
      <Science_Facets>
        <domain>Atmosphere</domain>
        <discipline_name>Atmospheres</discipline_name>
        <facet1>Meteorology</facet1>
      </Science_Facets>
    </Primary_Result_Summary>
    <Investigation_Area>
      <name>Mars 2020</name>
      <type>Mission</type>
      <Internal_Reference>
        <lid_reference>urn:nasa:pds:context:investigation:mission.mars2020</lid_reference>
        <reference_type>collection_to_investigation</reference_type>
        <comment>This is the PDS4 logical identifier for the Mars 2020 Perseverance Rover Mission.</comment>
      </Internal_Reference>
    </Investigation_Area>
    <Observing_System>
      <name>Mars 2020</name>
      <Observing_System_Component>
        <name>Mars 2020</name>
        <type>Host</type>
        <Internal_Reference>
          <lid_reference>urn:nasa:pds:context:instrument_host:spacecraft.mars2020</lid_reference>
          <reference_type>is_instrument_host</reference_type>
          <comment>
            This is the PDS4 logical identifier for the Mars 2020 Perseverance Rover.
          </comment>
        </Internal_Reference>
      </Observing_System_Component>
      <Observing_System_Component>
        <name>Mars Environmental Dynamics Analyzer</name>
        <type>Instrument</type>
        <Internal_Reference>
          <lid_reference>urn:nasa:pds:context:instrument:mars2020.meda</lid_reference>
          <reference_type>is_instrument</reference_type>
          <comment>
            This is the PDS4 logical identifier for them MEDA instrument onboard the Mars 2020 Perseverance Rover.
          </comment>
        </Internal_Reference>
      </Observing_System_Component>
    </Observing_System>
    <Target_Identification>
      <name>Mars</name>
      <type>Planet</type>
      <Internal_Reference>
        <lid_reference>urn:nasa:pds:context:target:planet.mars</lid_reference>
        <reference_type>collection_to_target</reference_type>
        <comment>Reference to the Planet - Mars target</comment>
      </Internal_Reference>
    </Target_Identification>
  </Context_Area>
  <Reference_List>
    <Internal_Reference>
          <lid_reference>urn:nasa:pds:context:resource:resource.mars2020_meda_online</lid_reference>
          <reference_type>has_resource</reference_type>
       </Internal_Reference>
       <Internal_Reference>
      <lid_reference>urn:nasa:pds:mars2020_meda:document:release_notes.txt</lid_reference>  <!--RChen added .txt-->
      <reference_type>collection_to_document</reference_type>
      <comment>
         The Release Notes document in the MEDA document collection has notes
         and errata concerning each public release of MEDA data.
      </comment>
    </Internal_Reference>
    <Internal_Reference>
      <lid_reference>urn:nasa:pds:mars2020_meda:document:meda_bundle_sis.pdf</lid_reference>  <!--RChen added .pdf-->
      <reference_type>collection_to_document</reference_type>
    </Internal_Reference>
    <Internal_Reference>
      <lid_reference>urn:nasa:pds:mars2020_meda:document:meda_env_edr_sis.pdf</lid_reference>  <!--RChen added .pdf-->
      <reference_type>collection_to_document</reference_type>
    </Internal_Reference>
    <External_Reference>
      <doi>10.1007/s11214-021-00816-9</doi>
      <reference_text>
        Rodriguez-Manfredi, J.A., de la Torre JuÃ¡rez, M., Alonso, A. et al. The Mars
        Environmental Dynamics Analyzer, MEDA. A Suite of Environmental Sensors for
        the Mars 2020 Mission. Space Sci Rev 217, 48 (2021).
      </reference_text>
    </External_Reference>
    <External_Reference>
      <doi>10.1007/s11214-020-00762-y</doi>
      <reference_text>
        Farley, K.A., Williford, K.H., Stack, K.M. et al. Mars 2020 Mission Overview.
        Space Sci Rev 216, 142 (2020)
      </reference_text>
    </External_Reference>
  </Reference_List>
  <Collection>
    <collection_type>Data</collection_type>
  </Collection>
  <File_Area_Inventory>
    <File>
      <file_name>collection_meda_data_raw_env_inventory.csv</file_name> 
      <local_identifier>data_raw_env_inventory</local_identifier>
      <creation_date_time>2021-08-02T18:00</creation_date_time>
    </File>
    <Inventory>
      <local_identifier>inventory</local_identifier>
      <offset unit="byte">0</offset>
      <parsing_standard_id>PDS DSV 1</parsing_standard_id>
      <records>12520</records>
      <record_delimiter>Carriage-Return Line-Feed</record_delimiter>
      <field_delimiter>Comma</field_delimiter>
      <Record_Delimited>
        <fields>2</fields>
        <groups>0</groups>
        <maximum_record_length unit="byte">256</maximum_record_length>
        <Field_Delimited>
          <name>Member Status</name>
          <field_number>1</field_number>
          <data_type>ASCII_String</data_type>
          <maximum_field_length unit="byte">1</maximum_field_length>
          <description>
            P indicates primary member of the collection
            S indicates secondary member of the collection
          </description>
        </Field_Delimited>
        <Field_Delimited>
          <name>LIDVID_LID</name>
          <field_number>2</field_number>
          <data_type>ASCII_LIDVID_LID</data_type>
          <maximum_field_length unit="byte">255</maximum_field_length>
          <description>This column specifies the LID of the files that comprise the collection.</description>
        </Field_Delimited>
      </Record_Delimited>
      <reference_type>inventory_has_member_product</reference_type>
    </Inventory>
  </File_Area_Inventory>
</Product_Collection>
