Map Download Area for Research Report 133: Eriyagama et al. (2009)

The original figures from Research Report 133 may be downloaded in JPG or EPS format using the hyperlinks below on the condition that:

1. The source is duly acknowledged in any such subsequent reproduction/modification of the maps. The source should be cited as:
   
   Eriyagama, N.; Smakhtin, V.; Gamage, N. 2009. Mapping drought patterns and impacts: a global perspective. Colombo, Sri Lanka: International Water Management Institute. 31p. (IWMI Research Report 133)
   
   
2. The information on where/how the map(s) will be reproduced/modified is sent to: n.eriyagama@cgiar.org.

Figure 1 (a): Global distribution of long-term Mean Annual Precipitation [JPG 289KB] [EPS 2.39MB]

Figure 1 (b): Global distribution of the Coefficient of Variation of long-term Mean Annual Precipitation [JPG 289KB] [EPS 2.37MB]

Figure 1 (c): Global distribution of the Probability (%) of annual precipitation in any year being less than 75% of its long-term mean [JPG 286KB] [EPS 2.46MB]

Figure 2: Per capita Mean Annual River Discharge by 0.50 grid cell [JPG 309KB] [EPS 2.58MB]

Figure 3 (a): Agricultural Water Crowding with respect to mean annual precipitation (population sharing one cubic kilometer of precipitation falling on croplands within 0.50 grid cell) [JPG 315KB] [EPS 2.71MB]

Figure 3 (b): Agricultural Water Crowding (population sharing one cubic kilometer of precipitation falling on croplands within 0.50 grid cell) under a global drought condition (mean annual precipitation minus mean annual precipitation deficit) [JPG 314KB] [EPS 2.71MB]

Figure 4: Agricultural Water Crowding with respect to mean annual river discharge (population sharing one cubic kilometer of river water available for croplands within 0.50 grid cell) [JPG 329KB] [EPS 2.73MB]

Figure 5: Infrastructure Vulnerability Index based on the percentage of people having access to an improved water source and general accessibility of rural areas through the road network [JPG 255KB] [EPS 11.9MB]

Figure 6: Biophysical Vulnerability Index based on mean annual surface runoff, mean annual groundwater recharge, soil depth and soil degradation severity within 0.50 grid cell [JPG 300KB] [EPS 2.59MB]

Figure 7: Socioeconomic Drought Vulnerability Index based on the crop diversity of individual countries and their dependence on agriculture for income and employment generation [JPG 252KB] [EPS 16.9MB]

Figure 8: Drought Risk Index with respect to Monthly Precipitation based on the frequency of meteorological (precipitation) drought occurrence and drought intensity (deficit below long-term mean) [JPG 282KB] [EPS 2.45MB]

Figure 9: Drought Risk Index with respect to Monthly River Discharge based on the frequency of hydrological (river discharge) drought occurrence and drought intensity (deficit below long-term mean) [JPG 278KB] [EPS 2.60MB]

Figure 10: Mean Drought Run Duration based on monthly river discharge (sum of durations of all identified drought runs divided by the number of runs) [JPG 296KB] [EPS 2.95MB]

Figure 11: Storage as a Proportion of a Country's Total Annual Renewable Freshwater Resources [JPG 266KB] [EPS 8.92MB]

Figure 12: Storage-Drought Duration (Length) Index - ratio between i) the duration (in months) that the storage capacity in a country is able to satisfy national water needs, and ii) annual hydrological drought duration (how long a drought can last in a single
Year), calculated relative to the long-term mean monthly river discharge [JPG 250KB] [EPS 8.33MB]

Figure 13: Storage-Drought Deficit Index - how much of the long-term annual hydrological (river discharge) drought deficit is satisfied by the existing storage capacity in a country [JPG 251KB] [EPS 8.90MB]