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Birkett, C.M., Mason, I.M. (1995): A new global lakes database for a remote sensing program studying climatically sensitive large lakes. Journal of Great Lakes Research 21(3): 307-318.

CIAT – International Centre for Tropical Agriculture (2004): Void-filled seamless SRTM data V2. Data available from the CGIAR-CSI SRTM 90m Database.

ESRI – Environmental Systems Research Institute (1992): ArcWorld 1:3 Mio. Continental Coverage. ESRI, Redlands, CA. Data available on CD.

ESRI – Environmental Systems Research Institute (1993): Digital Chart of the World 1:1 Mio. ESRI, Redlands, CA. Data available on 4 CDs or at

ESRI – Environmental Systems Research Institute (1998): ESRI Shapefile Technical Description - An ESRI white paper.

Farr, T.G., M. Kobrick (2000): Shuttle Radar Topography Mission produces a wealth of data. American Geophysical Union, Eos 81: 583-585.

Freeman, T. (1996): What is Imaging Radar? Jet Propulsion Laboratory.

Gamache, M. (2004a): Free and low cost datasets for international mountain cartography. Documentation for the Alpine Mapping Guild, 42 pp.

Gamache, M. (2004b): Various documents including evaluations of CIAT’s gap-filling methodology, available at: and final web.pdf

Gesch, D.B., Verdin, K.L., Greenlee, S.K. (1999): New land surface digital elevation model covers the Earth. Eos. Transactions, American Geophysical Union 80(6): 69-70.

Hutchinson, M. (1988): Calculation of hydrologically sound digital elevation models. Third International Symposium on Spatial Data Handling, Columbus, Ohio, International Geographical Union.

Hutchinson, M. (1989): A new procedure for gridding elevation and stream line data with automatic removal of spurious pits. Journal of Hydrology 106: 211-232.

Jarvis, A. (2004): SRTM Data Processing Methodology.

Jarvis, A., J. Rubiano, A. Nelson, A. Farrow, Mulligan M. (2004): Practical use of SRTM data in the tropics: comparisons with digital elevation models generated from cartographic data. Working Document no. 198. Cali, International Centre for Tropical Agriculture (CIAT): 32 pp.

Lehner, B., Döll, P. (2004): Development and validation of a global database of lakes, reservoirs and wetlands. Journal of Hydrology 296(1-4): 1-22. Data available at

NASA (2003): SRTM Data Editing Rules, Version 2.0. 23 pp.

NASA/JPL (2005): SRTM Topography (SRTM documentation). 8pp.

NASA/NGA (2003): SRTM Water Body Data Product Specific Guidance, Version 2.0. 4pp.

USGS – U.S. Geological Survey (2000): HYDRO1k Elevation Derivative Database. USGS EROS Data Center, Sioux Falls, SD.

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