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Relief - Elevation Range over 1000 m derived from 1" SRTM DEM-S

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About this Collection

Relief - Elevation Range over 1000 m derived from 1" SRTM DEM-S


The elevation range measures the full range of elevations within a circular window and can be used as a representation of local relief. The 1000 m elevation range product was derived from the Smoothed Digital Elevation Model (DEM-S; ANZCW0703014016), which was derived from the 1 arc-second resolution SRTM data acquired by NASA in February 2000. ... more


Environmental Management Land Capability and Soil Degradation Landscape Ecology Natural Resource Management Soil Sciences not elsewhere classified


https://doi.org/10.4225/08/56E9C8DDD664D


11 Feb 2000


22 Feb 2000


CSIRO Enquiries
CSIROEnquiries@csiro.au
1300 363 400

Relief Elevation Range LAND Topography Models ECOLOGY Landscape TERN_Soils Land Surface Australia


Source data 1. 1 arc-second SRTM-derived Smoothed Digital Elevation Model (DEM-S; ANZCW0703014016). 2. 1 arc-second 1000 m elevation range product 3. 3 arc-second resolution SRTM water body and ocean mask datasets 1000 m focal range elevation calculation Elevation range is the full range of elevation within a circular window (Gallant and Wilson, 2000). Focal range using a 1000 m window was calculated for each grid point from DEM-S using a 1000 m kernel. The different spacing in the E-W and N-S directions due to the geographic projection of the data was accounted for by using the actual spacing in metres of the grid points, and recalculating the grid points included within the kernel extent for each 1o change in latitude. The 1000 m focal range elevation calculation was performed on 1° x 1° tiles, with overlaps to ensure correct values at tile edges. The 3 arc-second resolution version was generated from the 1 arc-second 1000 m elevation range product. This was done by aggregating the 1” data over a 3 x 3 grid cell window and taking the maximum of the nine values that contributed to each 3” output grid cell. The 3” 1000 m elevation range data were then masked using the SRTM 3” ocean and water body datasets. References Gallant, J.C. and Wilson, J.P. (2000) Primary topographic attributes, chapter 3 in Wilson, J.P. and Gallant, J.C. Terrain Analysis: Principles and Applications, John Wiley and Sons, New York.


Access to this data has been made possible by the Terrestrial Ecosystem Research Network (TERN), supported by the Australian Government through the National Collaborative Research Infrastructure Strategy and the Super Science Initiative.


Creative Commons Attribution 4.0 International Licence


CSIRO (Australia)


Gallant, John; Austin, Jenet (2012): Relief - Elevation Range over 1000 m derived from 1" SRTM DEM-S. v2. CSIRO. Data Collection. https://doi.org/10.4225/08/56E9C8DDD664D


All Rights (including copyright) CSIRO 2012.


The metadata and files (if any) are available to the public.

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Location Details

10°0′0″ S


44°0′0″ S


154°0′0″ E


113°0′0″ E


WGS84


More about this Collection

John Gallant


Terrain Analysis Research Team Leader


0 m


0 m



Raster




eng


UTF8


Elevation


About this Project

1181.2 TERN Facility No9 InfoGrid GRUNDY


The Soil and Landscape Grid of Australia is a comprehensive fine spatial resolution grid of functional soil attributes and key landscape features across Australia. The landscape attributes are derived from the data collected by the Shuttle Radar Topography Mission, whilst the soil attribute surfaces are modelled from existing soils information. The... more


John Gallant


National Elevation and Terrain Datasets


SRTM-derived elevation and terrain covariate datasets at 1 second or 3 second resolution


Measurement


John Gallant


Jenet Austin


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