2024-03-29T06:49:46Zhttp://nsidc.org/api/dataset/metadata/oaioai:nsidc.org/NSIDC-0481.0022024-01-25T13:16:50Znasa_nsidc_daacecsretired
NSIDC-0481.002MEaSUREs Greenland Ice Velocity: Selected Glacier Site Velocity Maps from InSARJoughin, I., I. Howat, B. Smith, and T. Scambos.MEaSUREs Greenland Ice Velocity: Selected Glacier Site Velocity Maps from InSAR2020-02-06Boulder, Colorado USANASA NSIDC DAAC: NASA National Snow and Ice Data Center Distributed Active Archive Center2true10.5067/JQHJUOYCF2TEhttps://doi.org/10.5067/JQHJUOYCF2TENSIDC-0481Joughin, I., B. Smith, I. Howat, T. Scambos, and T. Moon2010Greenland Flow Variability from Ice-Sheet-Wide Velocity MappingJournal of Glaciology56197415-430<a href="https://doi.org/10.3189/002214310792447734">https://doi.org/10.3189/002214310792447734</a>Literature CitationInvestigatorIanJoughinian@apl.washington.edu1013 NE 40th StreetBox 355640SeattleWA98105USAInvestigatorIanHowatScott Hall Room 1081090 Carmack RoadColumbusOhio43210USAInvestigatorTedScambosscambos@nsidc.orgNational Snow and Ice Data CenterCIRES, 449 UCBBoulderCO80309-0449USAInvestigatorBenSmithUniversity of WashingtonDepartment of Earth and Space SciencesSeattleWA98195USATechnical ContactNSIDCUser Servicesnsidc@nsidc.org1-303-492-61991-303-492-2468CIRES, 449 UCBUniversity of ColoradoBoulderCO80309-0449USAEARTH SCIENCECRYOSPHERESNOW/ICEICE VELOCITY Climatology/Meteorology/AtmosphereGIMP-projectMEaSUREs-projectX-SARX-Band Synthetic Aperture RadarTSXTerraSAR-X2008-06-122020-06-30complete6082-70-20CONTINENTNORTH AMERICAGREENLAND100 m100 m11 dayMEaSUREsMaking Earth System Data Records for Use in Research EnvironmentsThese data have been retired and are no longer available to access.These data have been retired and are no longer available to access.EnglishUWA/APL/PSCNASA NSIDC DAACNASA National Snow and Ice Data Center Distributed Active Archive Centerhttps://nsidc.org/daacData Center ContactNSIDCUser Servicesnsidc@nsidc.org1-303-492-6199National Snow and Ice Data CenterCIRES, 449 UCBUniversity of ColoradoBoulderCO80309-0449USAHTTPSGeoTIFFHTTPSJPEGAhn, Y. and I. Howat. 2011. Efficient Automated Glacier Surface Velocity Measurement From Repeat Images Using Multi-Image/Multichip and Null Exclusion Feature Tracking. IEEE Transactions on Geoscience and Remote Sensing Vol. 49, No. 8. doi:10.1109/TGRS.2011.2114891.
Howat, I. M., J. E. Box, Y. Ahn, A. Herrington, E. M. McFadden. 2010. Seasonal Variability in the Dynamics of Marine-Terminating Outlet Glaciers in Greenland.Journal of Glaciology, 56(198), pp. 601-613. doi:10.3189/002214310793146232.
Joughin, I. 2002. Ice-Sheet Velocity Mapping: A Combined Interferometric and Speckle-Tracking Approach. Annals of Glaciology 34: 195-201. doi:10.3189/172756402781817978.
Joughin, I., W. Abdalati, and M. Fahnestock. 2004. Large fluctuations in speed on Greenland's Jakobshavn Isbræ glacier. Nature,Vol. 432: 608-610.
Joughin, I., B. Smith, I. M. Howat, T. Scambos, and T. Moon. 2010. Greenland Flow Variability from Ice-Sheet-Wide Velocity Mapping. Journal of Glaciology, 56 (197), pp. 415-430, doi: 10.3189/002214310792447734.
Joughin, I., R. Kwok, and M. Fahnestock, 1996. Estimation of Ice Sheet Motion Using Satellite Radar Interferometry: Method and Error Analysis with Application to Humboldt Glacier, Greenland. Journal of Glaciology 42(142) pp 564-575.This data set, part of the NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) program, provides velocity estimates determined from Interferometric Synthetic Aperture Radar (InSAR) data for major glacier outlet areas in Greenland, some of which have shown profound velocity changes over the MEaSUREs observation period. The InSAR Selected Glacier Site Velocity Maps are produced from image pairs measured by the German Aerospace Center's (DLR) twin satellites TerraSAR-X / TanDEM-X (TSX / TDX). The measurements in this data set are provided in addition to the ice sheet-wide data from the related data set, <a href="https://nsidc.org/data/nsidc-0478">MEaSUREs Greenland Ice Sheet Velocity Map from InSAR Data</a>.
See <a href="http://nsidc.org/data/measures/gimp">Greenland Ice Mapping Project (GIMP)</a> for more related data.VIEW RELATED INFORMATIONhttps://doi.org/10.5067/JQHJUOYCF2TEDocumentationCEOS IDN DIFVERSION 9.92020-02-062024-01-25NSIDCVersion Summary1. Full reprocessing with accumulated minor updates. Output should be generally consistent with previous versions.
2. The tiffs are now cloud optimized and include scale-down by 2 and 4 pyramids.
3. Velocity magnitude is now included as a separate tiff to be consistent with other velocity products (so now there are vx, vy, and vv tiffs).
4. Correction of browse images (distortions, color bar placement, watermark, and color-scale consistency.)
5. Addition of consistent NoData values
6. Temporal coverage was extended.NSIDCMinor VersionNSIDCLevel of ServiceNo Data AccessNSIDCFull Dataset CitationJoughin, I., I. Howat, B. Smith, and T. Scambos. 2020. <i>MEaSUREs Greenland Ice Velocity: Selected Glacier Site Velocity Maps from InSAR.</i> Version 2. [indicate subset used]. Boulder, Colorado USA: NASA National Snow and Ice Data Center Distributed Active Archive Center. <a href="https://doi.org/10.5067/JQHJUOYCF2TE">https://doi.org/10.5067/JQHJUOYCF2TE</a>. 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