Global Change Master Directory (GCMD)

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GLAS/ICESat L2 Global Thin Cloud/Aerosol Optical Depths Data

Entry ID: GLA11

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Summary

Abstract: The Geoscience Laser Altimeter System (GLAS) instrument on the Ice, Cloud, and Land Elevation Satellite (ICESat) provides global measurements of polar ice sheet elevation to discern changes in ice volume (mass balance) over time. Secondary objectives of GLAS are to measure sea ice roughness and thickness, cloud and atmospheric properties, land topography, vegetation canopy heights, ocean surface ...

Related URL

Link: VIEW PROJECT HOME PAGE

Description: ICESat/GLAS web site at NSIDC

Link: VIEW RELATED INFORMATION

Description: ICESat/GLAS web site at University of Texas

Link: VIEW RELATED INFORMATION

Description: ICESat/GLAS web site at NASA Wallops Flight Facility

Link: VIEW RELATED INFORMATION

Description: ICESat/GLAS web site at NASA Goddard Space Flight Center

Geographic Coverage

(Click for Interactive Map)

Spatial coordinates

N: 86.0

S: -86.0

E: 180.0

W: -180.0

Data Set Citation

Dataset Originator/Creator: H.J. Zwally, R. Schutz, W. Hart, D. Hlavka, S. Palm, J. Spinhirne, E. Welton

Dataset Title: GLAS/ICESat L2 Global Thin Cloud/Aerosol Optical Depths Data

Dataset Release Date: 2003-01-01

Dataset Release Place: Boulder, CO U.S.A.

Dataset Publisher: National Snow and Ice Data Center (NSIDC)

Version: 18

Online Resource: http://nsidc.org/data/gla11.html

Temporal Coverage

Start Date: 2003-09-30

Location Keywords

GEOGRAPHIC REGION > GLOBAL

GEOGRAPHIC REGION > POLAR

Data Resolution

Temporal Resolution: 1/40 second full-rate data
Temporal Resolution Range: < 1 second

Science Keywords

ATMOSPHERE > AEROSOLS > AEROSOL OPTICAL DEPTH/THICKNESS

ATMOSPHERE > CLOUDS > CLOUD MICROPHYSICS > CLOUD OPTICAL DEPTH/THICKNESS

ISO Topic Category

CLIMATOLOGY/METEOROLOGY/ATMOSPHERE

ENVIRONMENT

Platform

ICESAT > Ice, Cloud and Land Elevation Satellite

SATELLITES

Instrument

Altimeters

GLAS > Geoscience Laser Altimeter System

LIDAR > Light Detection and Ranging

Project

EOSDIS > Earth Observing System Data Information System

ICESAT > Ice, Cloud and Land Elevation Satellite

ESIP > Earth Science Information Partners Program

Quality Browse products in PNG graphic format contain quality information; these are available along with corresponding data granules in the Data Pool or EOS Data Gateway.

Ancillary Keywords

Aerosol Layer Height

Aerosol Multiple Scattering Coefficients

Data Set Progress

IN WORK

Data Center

NSIDC Distributed Active Archive Center

Data Center URL: http://nsidc.org/daac/index.html
Dataset ID: GLA111

Data Center Personnel
Name: NSIDC USER SERVICES Phone: +1 (303) 492-6199 Fax: +1 (303) 492-2468 Email: nsidc at nsidc.org Contact Address: National Snow and Ice Data Center CIRES, 449 UCB University of Colorado City: Boulder Province or State: CO Postal Code: 80309-0449 Country: USA

National Snow and Ice Data Center

Data Center URL: http://nsidc.org
Dataset ID: GLA111

Data Center Personnel
Name: NSIDC USER SERVICES Phone: +1 (303) 492-6199 Fax: +1 (303) 492-2468 Email: nsidc at nsidc.org Contact Address: National Snow and Ice Data Center CIRES, 449 UCB University of Colorado City: Boulder Province or State: CO Postal Code: 80309-0449 Country: USA

Distribution

Distribution Media: FTP

Distribution Size: 13 MB per granule

Distribution Format: scaled integer binary

Personnel

NSIDC USER SERVICES

Role: TECHNICAL CONTACT

Phone: +1 (303) 492-6199

Fax: +1 (303) 492-2468

Email: nsidc at nsidc.org

Contact Address:

National Snow and Ice Data Center

CIRES, 449 UCB

University of Colorado

City: Boulder

Province or State: CO

Postal Code: 80309-0449

Country: USA

Publications/References

Bae, S. and B.E. Schutz. 2002. Precision attitude determination (PAD). GLAS algorithm theoretical basis document. Version 2.2. Austin, TX: Center for Space Research, University of Texas at Austin. Center for Space Research. 'ICESat/GLAS.' January 2002. http://www.csr.utexas.edu/glas/. Earth Science Data and Information System (ESDIS). 1996. EOS Ground System (EGS) Systems and Operations Concept. ... Greenbelt, MD: Goddard Space Flight Center. GLAS Science Team. 2000. Mission Operations Requirement Document (MORD) for the Ice, Cloud and Land Elevation Satellite (ICESat) Mission. Greenbelt, MD: Goddard Space Flight Center. GLAS Science Team. 1997. GLAS Science Requirements. Version 2.01. Greenbelt, MD: Goddard Space Flight Center. Guzzi, R., ed. 2003. Exploring the atmosphere by remote sensing techniques. Heidelberg, Germany: Springer-Verlag. Heroux, D. 2000. Progress report on GLAS interface effort with ECS NOSE. Rev. 29 December 2000. Landover, MD: Emergent-IT/Raytheon. Herring, T.A. and K. Quinn. 1999. Atmospheric delay correction to GLAS laser altimeter ranges. GLAS algorithm theoretical basis document. Version 1.0. Lanham, MD: Science Systems and Applications, Inc. Jester, P., and J. Lee. 2002. GLAS standard data products specification - level 1. Version 6.0. Wallops Island, VA: Raytheon ITSS. Lee, J. 2002. GSAS user's guide: Version 4.0. Wallops Island, VA: Raytheon ITSS. Palm, S., W. Hart, and D. Hlavka. 2002. GLAS atmospheric data products. GLAS algorithm theoretical basis document. Version 4.2. Lanham, MD: Science Systems and Applications, Inc. Rim, H., and B. Schutz. 2002. Precision orbit determination. GLAS algorithm theoretical basis document. Version 2.2. Austin, TX: Center for Space Research, University of Texas at Austin. Schutz, B. 2002. Laser footprint location (geolocation) and surface profiles.GLAS algorithm theoretical basis document. Version 3.0. Austin, TX: Center for Space Research, University of Texas at Austin. Schutz, B. 2000. GLAS altimeter post-launch calibration/validation plan. Version 0.99. Austin, TX: Center for Space Research, University of Texas at Austin. Stephens, G.L. 1994. Remote sensing of the lower atmosphere: an introduction. New York: Oxford University Press. Wahr, J., D. Wingham, and C. Bentley. 2000. A method of combining ICESat and GRACE satellite data to constrain Antarctic mass balance. Journal of Geophysical Research 105(B7):16,279-16,294. Yi, D., J. Minster, and C. Bentley. 1999. Ocean tidal loading corrections. GLAS algorithm theoretical basis document. Version 1.0. Greenbelt, MD: Goddard Space Flight Center. Zwally, H.J., B. Schutz, D. Hancock, and A. Brenner. 2000. ICESat/GLAS Standard Data Products in HDF and SCF Formats. Version 1.2. Greenbelt, MD: Goddard Space Flight Center.

Extended Metadata Properties

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Creation and Review Dates

DIF Creation Date: 2003-10-14

Last DIF Revision Date: 2011-02-11

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