High-resolution (2 metre) digital elevation models of difference showing surface change following the Chamoli ice-debris flow, India, February 2021
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Identification info
- Metadata Language
- English (en)
- Character set
- utf8
- Dataset Reference Date ()
- 2023-12-15
- Identifier
- doi: / 10.5285/f5394eaa-5ccb-4cf7-9ee4-c057c35b8517
- Other citation details
- Westoby, M. (2023). High-resolution (2 metre) digital elevation models of difference showing surface change following the Chamoli ice-debris flow, India, February 2021. NERC EDS Environmental Information Data Centre 10.5285/f5394eaa-5ccb-4cf7-9ee4-c057c35b8517
- Limitations on Public Access
- otherRestrictions
- Other constraints
- no limitations
- Use constraints
- otherRestrictions
- Use constraints
- otherRestrictions
- Other constraints
- If you reuse this data, you should cite: Westoby, M. (2023). High-resolution (2 metre) digital elevation models of difference showing surface change following the Chamoli ice-debris flow, India, February 2021. NERC EDS Environmental Information Data Centre https://doi.org/10.5285/f5394eaa-5ccb-4cf7-9ee4-c057c35b8517
- Spatial representation type
- grid
- Distance
- 2 urn:ogc:def:uom:EPSG::9001
- Topic category
-
- Elevation
- Begin date
- 2021-02-01
- End date
- 2022-01-01
- Code
- WGS 84
Distribution Information
- Data format
-
-
TIFF
()
-
Shapefile
()
-
TIFF
()
- Resource Locator
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Supporting information
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- Quality Scope
- dataset
- Other
- dataset
Report
- Dataset Reference Date ()
- 2010-12-08
- Statement
- The DEMs from which these DoDs were created are available in the related data collection. The DoDs were created in QGIS software (versions 3.18 and 3.24) using the Raster Calculator tool. For a given DEM pair, the later DEM was subtracted from the earlier DEM to create a DoD. In this way, minus values show surface lowering (e.g. erosion), and positive values show surface gain (e.g. deposition). Where holes/data gaps existed in the input DEMs, these are reproduced in the subsequent DoD. (These holes occur where photogrammetric reconstruction failed due to poor key-point or tie-point extraction due to cloud cover, topographic occlusion, or because of a large offset between the view angle of the two satellite image acquisitions, for example).
Metadata
- File identifier
- f5394eaa-5ccb-4cf7-9ee4-c057c35b8517 XML
- Metadata Language
- English (en)
- Character set
- ISO/IEC 8859-1 (also known as Latin 1)
- Resource type
- dataset
- Hierarchy level name
- dataset
- Metadata Date
- 2024-03-05T08:57:07
- Metadata standard name
- UK GEMINI
- Metadata standard version
- 2.3