DOI: 10.5194/tc-8-1509-2014
Scopus记录号: 2-s2.0-84907466211
论文题名: The Greenland Ice Mapping Project (GIMP) land classification and surface elevation data sets
作者: Howat I ; M ; , Negrete A ; , Smith B ; E
刊名: Cryosphere
ISSN: 19940416
出版年: 2014
卷: 8, 期: 4 起始页码: 1509
结束页码: 1518
语种: 英语
英文关键词: accuracy assessment
; data set
; digital elevation model
; elevation
; GRIP
; ice sheet
; image resolution
; land classification
; Landsat
; pixel
; RADARSAT
; satellite altimetry
; Arctic
; Greenland
英文摘要: As part of the Greenland Ice Mapping Project (GIMP) we have produced three geospatial data sets for the entire ice sheet and periphery. These are (1) a complete, 15 m resolution image mosaic, (2) ice-covered and ice-free terrain classification masks, also posted to 15 m resolution, and (3) a complete, altimeter-registered digital elevation model posted at 30 m. The image mosaic was created from a combination of Landsat-7 and RADARSAT-1 imagery acquired between 1999 and 2002. Each pixel in the image is stamped with the acquisition date and geo-registration error to facilitate change detection. This mosaic was then used to manually produce complete ice-covered and ice-free land classification masks. Finally, we used satellite altimetry and stereo-photogrammetric digital elevation models (DEMs) to enhance an existing DEM for Greenland, substantially improving resolution and accuracy over the ice margin and periphery. © 2014 Author(s). Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/74804
Appears in Collections: 影响、适应和脆弱性 气候变化与战略
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作者单位: Byrd Polar Research Center, School of Earth Sciences, Ohio State University, Columbus, OH, United States; Polar Sciences Center, Applied Physics Lab., University of Washington, Seattle, WA, United States
Recommended Citation:
Howat I,M,, Negrete A,et al. The Greenland Ice Mapping Project (GIMP) land classification and surface elevation data sets[J]. Cryosphere,2014-01-01,8(4)