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Research, Policy and Practice

Pastoralism Cover Image

Table 1 Satellite data, products and other ancillary data used in this study

From: Establishing an operational waterhole monitoring system using satellite data and hydrologic modelling: Application in the pastoral regions of East Africa

No. Data Satellite sensor/source Frequency Resolution/scale Reference
1 Satellite rainfall estimate TRMM 3B42 Daily 0.25° × 0.25° Huffman 1997
2 Global GDAS reference ET Model-assimilated satellite data Daily 0.1° × 0.1° Senay et al. 2008
3 ASTER VNIR and SWIR Multiple dates 15 m -
4 Digital elevation model SRTM V 4.0 Single date 90 m Farr et al. 2000
5 Run-off coefficient data for Africa SCS curve number method Single date 10 km Senay and Verdin 2004
6 Waterhole water level data Field data collection 2008 to 2010 - This study