Data of Core Angular Momentum Changes

Federal Geographic Data Committee (FGDC) Metadata:


Identification_Information:
Citation:
Citation_Information:
Originator: Dominique Jault et al.
Publication_Date: Unknown
Title: Data of Core Angular Momentum Changes
Edition:
Geospatial_Data_Presentation_Form: Table
Series_Information:
Series_Name:
Issue_Identification:
Publication_Information:
Publication_Place:
Publisher: Special Bureau for the Core, GGFC, IERS
Other_Citation_Details:
Online_Linkage: http://www.astro.oma.be/SBC/data3.html
Description:
Abstract:
Core angular momentum (CAM) is estimated by Jault et al. using modelling hypotheses applied to magnetic data. CAM is then transformed into change in the length of day (LOD). Data is expressed as excess length of day in milliseconds over a standard day of 86400 seconds. Details on modelling hypotheses and data used for model computations are available at the following URL: "http://www.astro.oma.be/SBC/data3.html"
Purpose:
Not Available
Supplemental_Information:
REFERENCE: Reference to be mentioned when data are used: Jault D., Gire C., and Le Mouel J.-L., 'Westward drift, core motions and exchanges of angular momentum between core and mantle', Nature, 333, 353-356, #1988.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 19690101
Ending_Date: 19871231
Currentness_Reference:Unknown
Status:
Progress: Complete
Maintenance_and_Update_Frequency: As needed
Spatial_Domain:
Description_of_Geographic_Extent:
Bounding_Coordinates:
West_Bounding_Coordinate: Not Available
East_Bounding_Coordinate: Not Available
North_Bounding_Coordinate: Not Available
South_Bounding_Coordinate: Not Available
Keywords:
Theme:
Theme_Keyword_Thesaurus: GCMD SCIENCE PARAMETERS
Theme_Keyword_Thesaurus: PROJECT
Theme_Keyword_Thesaurus: ANCILLARY KEYWORDS
Theme_Keyword_Thesaurus: ISO TOPIC CATEGORY
Theme_Keyword_Thesaurus: DATA SET LANGUAGE
Theme_Keyword: EARTH SCIENCE > SOLID EARTH > GRAVITY/GRAVITATIONAL FIELD > ROTATIONAL MOTION/VARIATIONS
Theme_Keyword: SBC > SPECIAL BUREAU FOR THE CORE, GGFC, IERS
Theme_Keyword: Core
Theme_Keyword: Angular Momentum
Theme_Keyword: Rotation
Theme_Keyword: Lod
Theme_Keyword: Legnth Of Day
Theme_Keyword: Iers
Theme_Keyword: GEOSCIENTIFIC INFORMATION
Theme_Keyword: ENGLISH
Place:
Place_Keyword_Thesaurus: GCMD
Place_Keyword: SOLID EARTH > CORE
Access_Constraints: No constraints
Use_Constraints:
Please cite data provider. Reference to be mentioned when data are used: Jault D., Gire C., and Le Mouel J.-L., 'Westward drift, core motions and exchanges of angular momentum between core and mantle', Nature, 333, 353-356, #1988.
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: DOMINIQUE JAULT
Contact_Position: INVESTIGATOR
Contact_Address:
Address_Type: Mailing and Physical Address
Address: Laboratoire de Geophysique Interne et de Tectonophysique
Address: BP 53
Address: Grenoble Cedex 9
Postal_Code: 38041
Country: FRANCE
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Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
Not Available
Logical_Consistency_Report:
Not Available
Completeness_Report:
Not Available
Lineage:
Process_Step:
Process_Description:
Not Available
Process_Date: Unknown
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Spatial_Reference_Information:
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Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: IERS/GGFC > Global Geophysical Fluids Center, International Earth Rotation Service
Contact_Person: BENJAMIN F. CHAO
Contact_Position: DATA CENTER CONTACT
Contact_Address:
Address_Type: Mailing and Physical Address
Address: Space Geodesy Branch, Code 926
Address: NASA's Goddard Space Flight Center (GSFC)
City: Greenbelt
State_or_Province: Maryland
Postal_Code: 20771
Country: USA
Contact_Electronic_Mail_Address: chao@bowie.gsfc.nasa.gov
Resource_Description: IERS_GGFC_SBC_CAM_LOD_JAULT
Distribution_Liability:
Not Available
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: ASCII
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
http://bowie.gsfc.nasa.gov/ggfc/
Access_Instructions:
DATA CENTER URL
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
http://www.astro.oma.be/SBC/jault_table.txt
Access_Instructions:
Excess length of day in milliseconds over standard day of 86400 seconds data in ASCII format
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
http://www.astro.oma.be/SBC/main.html
Access_Instructions:
IERS GGFC Special Bureau for the Core home page.
Fees: None
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Metadata_Reference_Information:
Metadata_Date: 20031016
Metadata_Review_Date: 20031017
Metadata_Future_Review_Date: 20041016
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: GENE R. MAJOR
Contact_Position: DIF AUTHOR
Contact_Address:
Address_Type: Mailing and Physical Address
Contact_Electronic_Mail_Address: gsfc-gcmduso@mail.nasa.gov
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time
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