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Ancillary Data at GES DISC DAAC. Point of Contact: Carrie Phelps Ancillary data is support data input to create other datasets such as model assimilations data which can be used to validate other datasets

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Ancillary data at ges disc daac
Ancillary Dataat GES DISC DAAC

Point of Contact: Carrie Phelps

  • Ancillary data is support data

    • input to create other datasets such as model assimilations

    • data which can be used to validate other datasets

    • mission field and test support data (24 x 7 data services available upon request)


Ancillary data sources
Ancillary Data Sources

  • Daily operational data transfer

    • NCEP: National Center for Environmental Prediction

    • NESDIS: National Environmental Satellite, Data and Information Service

  • Data is available on-line monthly, then permanently archived off-line at DAAC


Airs ancillary data
AIRS Ancillary Data

  • PREPQC: quality-controlled observations

    • packaged four times per day

  • Aviation Model (AVN) Forecasts

    • 03, 06, 09 hour forecasts

    • 1 x 1 degree global horizontal resolution

  • GEOS-DAS: Goddard Earth Observing System - Data Assimilation System

    • 36 vertical pressure levels (42 for ozone)

    • 1 x 1.25 degree global horizontal resolution


Ancillary visualization tools
Ancillary Visualization Tools

  • OASIS (Online AnalySIS) can currently be used to view PREPQC data

  • AVN Model forecast data viewing will soon be operational

  • GEOS-DAS data available after release

  • AIRS, MODIS

  • http://daac.gsfc.nasa.gov/atmodyn/online_analysis


Ancillary visualization tools1
Ancillary Visualization Tools

  • The Online Gridded Data Viewer will also be used to display GEOS-DAS gridded data

  • May be useful as an evaluation product for AIRS gridded data (after data mining)

  • http://daac.gsfc.nasa.gov/atmodyn/online_analysis


Ancillary data webpage
Ancillary Data Webpage

  • http://daac.gsfc.nasa.gov/TECHNICAL/larry_info


Geos das webpage
GEOS-DAS Webpage

  • http://daac.gsfc.nasa.gov/atmodyn/das


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