Validation of alpine glacier velocity measurements using ERS Tandem-Mission SAR data
Five ascending and four descending ERS-1/2 tandem-mode synthetic aperture radar (SAR) interferometry (InSAR) data pairs with useful scene coherence are used to measure the surface flow field of an alpine glacier in the Canadian Rocky Mountains. The topographic component of the interferogram phase is...
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| Veröffentlicht in: | IEEE transactions on geoscience and remote sensing 1998-05, Vol.36 (3), p.974-984 |
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| container_title | IEEE transactions on geoscience and remote sensing |
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| creator | Mattar, K.E. Vachon, P.W. Geudtner, D. Gray, A.L. Cumming, I.G. Brugman, M. |
| description | Five ascending and four descending ERS-1/2 tandem-mode synthetic aperture radar (SAR) interferometry (InSAR) data pairs with useful scene coherence are used to measure the surface flow field of an alpine glacier in the Canadian Rocky Mountains. The topographic component of the interferogram phase is calculated by using a digital elevation model (DEM) of the terrain and precise orbit data to reconstruct the ERS InSAR imaging geometry. The DEM is derived from the Canada Centre for Remote Sensing (CCRS) Convair-580 airborne SAR interferometer. As dual line-of-sight (LOS) measurements are not sufficient to completely resolve the three-dimensional (3D) surface flow field, several different assumptions for determining the missing variables are considered, and the 3D surface flow field is estimated by using single and dual LOS measurements. The InSAR results agree with historic and coincident displacement measurements made using traditional point surveying techniques. |
| doi_str_mv | 10.1109/36.673688 |
| format | Article |
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The topographic component of the interferogram phase is calculated by using a digital elevation model (DEM) of the terrain and precise orbit data to reconstruct the ERS InSAR imaging geometry. The DEM is derived from the Canada Centre for Remote Sensing (CCRS) Convair-580 airborne SAR interferometer. As dual line-of-sight (LOS) measurements are not sufficient to completely resolve the three-dimensional (3D) surface flow field, several different assumptions for determining the missing variables are considered, and the 3D surface flow field is estimated by using single and dual LOS measurements. 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The topographic component of the interferogram phase is calculated by using a digital elevation model (DEM) of the terrain and precise orbit data to reconstruct the ERS InSAR imaging geometry. The DEM is derived from the Canada Centre for Remote Sensing (CCRS) Convair-580 airborne SAR interferometer. As dual line-of-sight (LOS) measurements are not sufficient to completely resolve the three-dimensional (3D) surface flow field, several different assumptions for determining the missing variables are considered, and the 3D surface flow field is estimated by using single and dual LOS measurements. The InSAR results agree with historic and coincident displacement measurements made using traditional point surveying techniques.</description><subject>Applied geophysics</subject><subject>Coherence</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>Extraterrestrial measurements</subject><subject>Fluid flow measurement</subject><subject>Hydrology</subject><subject>Hydrology. Hydrogeology</subject><subject>Internal geophysics</subject><subject>Layout</subject><subject>Orbital calculations</subject><subject>Surface reconstruction</subject><subject>Surface topography</subject><subject>Synthetic aperture radar</subject><subject>Synthetic aperture radar interferometry</subject><subject>Velocity measurement</subject><issn>0196-2892</issn><issn>1558-0644</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqFkc9LwzAUx4MoOKcHr55yEMFD50uapulxjPkDJsI2vZYsfRmRtJ1NK-y_d6XD607v8D7fD7z3JeSWwYQxyJ5iOZFpLJU6IyOWJCoCKcQ5GQHLZMRVxi_JVQjfAEwkLB2R9Zf2rtCtqytaW6r9zlVIt14bhw39RV8b1-5piTp0DZZYtYF2wVVbOl-u6FpXBZbRuwuhF6ymS3pw6WtyYbUPeHOcY_L5PF_PXqPFx8vbbLqIdJyxNsIElNoIKFAyg0KBAsgSZKA2sZWcS7axUPCUYVEIjsitBVAiMalU1kgZj8nD4N019U-Hoc1LFwx6ryusu5DzjAGkIjsNqhRYenjcSVAqyYXsjY8DaJo6hAZtvmtcqZt9ziDvm8hjmQ9NHNj7o1QHo71tdGVc-A9wHnOm-mvuBswh4v_26PgDr52Oug</recordid><startdate>19980501</startdate><enddate>19980501</enddate><creator>Mattar, K.E.</creator><creator>Vachon, P.W.</creator><creator>Geudtner, D.</creator><creator>Gray, A.L.</creator><creator>Cumming, I.G.</creator><creator>Brugman, M.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><scope>RIA</scope><scope>RIE</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>FR3</scope><scope>KR7</scope></search><sort><creationdate>19980501</creationdate><title>Validation of alpine glacier velocity measurements using ERS Tandem-Mission SAR data</title><author>Mattar, K.E. ; Vachon, P.W. ; Geudtner, D. ; Gray, A.L. ; Cumming, I.G. ; Brugman, M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a391t-e5088b40de61ce48080095e108b3f62261bf0d271edd42ee2ff00845c768fc663</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>Applied geophysics</topic><topic>Coherence</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Exact sciences and technology</topic><topic>Extraterrestrial measurements</topic><topic>Fluid flow measurement</topic><topic>Hydrology</topic><topic>Hydrology. Hydrogeology</topic><topic>Internal geophysics</topic><topic>Layout</topic><topic>Orbital calculations</topic><topic>Surface reconstruction</topic><topic>Surface topography</topic><topic>Synthetic aperture radar</topic><topic>Synthetic aperture radar interferometry</topic><topic>Velocity measurement</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mattar, K.E.</creatorcontrib><creatorcontrib>Vachon, P.W.</creatorcontrib><creatorcontrib>Geudtner, D.</creatorcontrib><creatorcontrib>Gray, A.L.</creatorcontrib><creatorcontrib>Cumming, I.G.</creatorcontrib><creatorcontrib>Brugman, M.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>IEEE transactions on geoscience and remote sensing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Mattar, K.E.</au><au>Vachon, P.W.</au><au>Geudtner, D.</au><au>Gray, A.L.</au><au>Cumming, I.G.</au><au>Brugman, M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Validation of alpine glacier velocity measurements using ERS Tandem-Mission SAR data</atitle><jtitle>IEEE transactions on geoscience and remote sensing</jtitle><stitle>TGRS</stitle><date>1998-05-01</date><risdate>1998</risdate><volume>36</volume><issue>3</issue><spage>974</spage><epage>984</epage><pages>974-984</pages><issn>0196-2892</issn><eissn>1558-0644</eissn><coden>IGRSD2</coden><abstract>Five ascending and four descending ERS-1/2 tandem-mode synthetic aperture radar (SAR) interferometry (InSAR) data pairs with useful scene coherence are used to measure the surface flow field of an alpine glacier in the Canadian Rocky Mountains. The topographic component of the interferogram phase is calculated by using a digital elevation model (DEM) of the terrain and precise orbit data to reconstruct the ERS InSAR imaging geometry. The DEM is derived from the Canada Centre for Remote Sensing (CCRS) Convair-580 airborne SAR interferometer. As dual line-of-sight (LOS) measurements are not sufficient to completely resolve the three-dimensional (3D) surface flow field, several different assumptions for determining the missing variables are considered, and the 3D surface flow field is estimated by using single and dual LOS measurements. The InSAR results agree with historic and coincident displacement measurements made using traditional point surveying techniques.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/36.673688</doi><tpages>11</tpages></addata></record> |
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| identifier | ISSN: 0196-2892 |
| ispartof | IEEE transactions on geoscience and remote sensing, 1998-05, Vol.36 (3), p.974-984 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Applied geophysics Coherence Earth sciences Earth, ocean, space Exact sciences and technology Extraterrestrial measurements Fluid flow measurement Hydrology Hydrology. Hydrogeology Internal geophysics Layout Orbital calculations Surface reconstruction Surface topography Synthetic aperture radar Synthetic aperture radar interferometry Velocity measurement |
| title | Validation of alpine glacier velocity measurements using ERS Tandem-Mission SAR data |
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