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The Namib Sand Sea digital database of aeolian dunes and key forcing variables

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posted on 03.11.2022, 22:53 authored by Robert BryantRobert Bryant, Robert BryantRobert Bryant

This is a repository for data from the following source paper (which was formerly hosted on our central web site):


 Livingstone, I., Bristow, C., Bryant, R.G., Bullard, J., White, K., Wiggs, G.F., Baas, A.C., Bateman, M.D. and Thomas, D.S., 2010. The Namib Sand Sea digital database of aeolian dunes and key forcing variables. Aeolian Research, 2(2-3), pp.93-104. 


 https://doi.org/10.1016/j.aeolia.2010.08.001 


In the zip file are the following resources, as well as a copy of the above paper:


All data files can be easily interrogated in QGIS, ArcGIS or ArcPro


1. Digital elevation models

1.1 SRTM DEM [*.img]

1.2 ASTER GDEM [*.img]

1.3 Individual ASTER DEM tiles

2. Remote sensing imagery

2.1 Landsat 5 TM mosaic [*.img]

2.2 Individual ASTER image tiles

3. Vegetation index data

3.1 PAL NDVI data

3.2 GIMMS NDVI data

4. Quaternary dune age database

5. Map of dune types

6. Ancillary map data

6.1 Administrative boundaries

6.2 Drainage basin catchments

6.3 Mean annual rainfall

6.4 Potential annual average evaporation

6.5 Average daily maximum temperature for the hottest month

6.6 Average daily minimum temperature for the coldest month

6.7 Annual average number of days with rain

6.8 Rainfall for October–March as a percentage of the annual average

6.9 Average deviation of rainfall as percentage of the annual average

7. Wind data

7.1 ERA-40 data

8. Bibliographic database

Funding

British Society for Geomorphology

Royal Geographical Society

History

Ethics

There is no personal data or any that requires ethical approval

Policy

The data complies with the institution and funders' policies on access and sharing

Sharing and access restrictions

The data can be shared openly

Data description

  • The file formats are open or commonly used

Methodology, headings and units

  • Headings and units are explained in the files