In this data set, we use DEM of topographic map, SRTM (2000) and DEM extracted from remote sensing image to obtain the surface elevation change of glacier in the center of glaciation by calculating the difference between them. It is only aimed at the glacier surface elevation change in MUZTAG area from 1976 to 2014, so it is not necessary to supplement and improve, and fully open sharing is adopted. The dataset consists of elevationchange 1976-2000 and elevationchange 2000-2014, with a total of two bands, and the field measurement unit is meter (m). The data set is mainly extracted from remote sensing images, which only represents the glacier surface elevation change at the time of remote sensing image acquisition, and the time is 1976-2000 and 2000-2014.
collect time | 1976/01/01 - 2014/12/31 |
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collect place | Muztagata Mountains |
data size | 9.6 MB |
data format | |
Data spatial resolution (/ M) | 30.0m |
Coordinate system | WGS84 |
This data set is mainly interpreted data. The main data sources are DEM of topographic map, SRTM (2000) and DEM extracted from remote sensing image.
Based on DEM of topographic map, SRTM (2000) and DEM extracted from remote sensing image, the elevation change of glacier surface at the center of glaciation was obtained by difference calculation.
After checking the accuracy of DEM in different periods, the plane and elevation are corrected by using the cosine relationship between slope aspect and elevation difference. Then, the relationship between the maximum curvature and elevation difference is used to reduce the error caused by different resolutions. The DEM registration and relative accuracy evaluation of the two periods are carried out, and the glacier elevation changes in different periods are obtained
# | number | name | type |
1 | 2013FY111400 |
# | Dataset title |
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# | title | file size |
1 | Data.rar | 9.6 MB |
2 | Document.rar | 14.7 kB |
1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014
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