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Global Data Sets (Values for gridded data are on a per grid cell basis (1) ) |
WWAP Themes | Preview Image (jpeg) |
Ascii (zip) |
Arc E00 (zip) |
Source Material |
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| A. Gridded fields of major water balance components |
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| (A1) Annual precipitation (mm/yr per grid cell) |  |
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| (A2) Annual evapotranspiration (mm/yr per grid cell) | |
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| (A3) Annual runoff (mm/yr per grid cell) | |
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(A4) Annual river discharge (blended, km3/yr per grid cell) |
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| B. Climate moisture indices | All | ||||
| (B1) CMI, annual mean (unitless ratio per grid cell) | |
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| (B2) CMI, annual CV (unitless ratio per grid cell) | |
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| C. Dams, lakes and reservoirs database | Water for Energy, Protecting Ecosystems | ||||
| (C1) Dams and reservoirs (point attributes) | |
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| (C2) Lake density (% of grid cell area) | |
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| (C3) Lake volume (km3 per grid cell) | |
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| D. Population | Sharing Water Resources, Meeting Basic Needs, Cities |
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| (D1) Urban population, year 2000 (people per grid cell) | |
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| (D2) Rural population, year 2000 (people per grid cell) | |
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| (D3) Total population, year 2000 (people per grid cell) | |
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| E. Major wetlands and floodplains | Protecting Ecosystems | ||||
| (E1) Wetlands (dominant wetland type) | |
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| (E2) Floodplains (% per grid cell) | |
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| F. Irrigated lands | Securing Food Supply | ||||
| (F1) Irrigation-equipped area (km2 per grid cell) | |
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| G. Irrigated water use | Securing Food Supply | ||||
| (G1) Irrigation water withdrawals, year 2000 (millions of m3/year per grid cell) | |
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| H. Domestic and industrial water use, and their proportional use | Water for Industry, Water for Energy, Basic Needs/Health, Sharing Water | ||||
| (H1) Industrial water use, year 2000 (millions of m3/year per grid cell) | |
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| (H2) Domestic water use, year 2000 (millions of m3/year per grid cell) | |
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| (H3) Ratio of industrial to total water use, year 2000 (% per grid cell) | |
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| (H4) Ratio of domestic to total water use, year 2000 (% per grid cell) | |
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| (H5) Ratio of (industrial + domestic) to total water use, 2000 (% per grid cell) | |
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| I. Water pollution indicators | Protecting Ecosystems, Meeting Basic Needs, Governing Wisely | ||||
| (I1) Mobilizable nitrogen loads (kg N/km2/yr per grid cell) | |
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| (I2) Total nitrogen flux (kg N/km2/yr per grid cell) | |
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| (I3) Basin-averaged dissolved inorganic nitrogen flux (kg N/km2/yr per grid cell) | |
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| (I4) Mean annual relative water stress index (unitless ratio per grid cell) | |
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| (I5) Monthly relative water stress index, month July (unitless ratio per grid cell) | |
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| (I6) Mean annual water reuse index (unitless ratio per grid cell) | |
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| (I7) Monthly water reuse index, month July (unitless ratio per grid cell) | |
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| J. Impacts of upstream impoundment on sediment transport to coastal zone. | Protecting Ecosystems, Sharing Water | ||||
| (J1) Basin trapping of sediment (% land-to-ocean flux trapped upstream) | |
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| K. Digitized River Networks | All |
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| (K1) Global potential river network, 30 minute resolution | |
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| (K2) Global active river network, 30 minute resolution | |
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| (K3) Africa potential river network, 06 minute resolution | |
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| (K4) Australasia potential river network, 06 minute resolution | |
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| (K5) Asia potential river network, 06 minute resolution | |
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| (K6) Europe potential river network, 06 minute resolution | |
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| (K7) North america potential river network, 06 minute resolution | |
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| (K8) South america potential river network, 06 minute resolution |
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| L. Selected discharge gauging stations |
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| (L1) UNH/GRDC Composite Runoff Fields V1.0 | na |
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| Continental-TO-Regional Information |
WWAP Themes | Preview Image (jpeg) |
Ascii |
ArcInfo
E00 |
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| M. Pan-tropical runoff and human vulnerability | Protecting Ecosystems | ||||
| (M1) Scenario 1: Change in runoff (del RO, in mm/yr) | |
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| (M2) Scenario 1: Change in discharge (del Q, km3/yr) | |
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| (M3) Scenario 1: Relative change in discharge (ratio del Q/Q) | |
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| (M4) Scenario 2: Change in runoff (del RO, mm/yr) | |
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| (M5) Scenario 2: Change in discharge (del Q, km3/yr) | |
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| (M6) Scenario 2: Relative change in discharge (ratio del Q/Q) | |
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| N. African Water Water Stress study | All, and Relevant Case Studies | ||||
| (N1) Agricultural area (in km2) | |
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| (N2) Annual CMI, mean | |
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| (N3) Annual CMI, coefficient of variability (CV) | |
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| (N4) Domestic + industrial + agricultural water use, 1995 (DIA, km3/yr) | |
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| (N5) Annual discharge (Q), mean (km3/yr) | |
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| (N6) Annual discharge (Q), 30-yr low (km3/yr) | |
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| (N7) Annual discharge (Q), annual coefficient of variability (CV) | |
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| (N8) Seasonal variability, ratio of monthly maximum to monthly minimum (Q maxmin) | |
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| (N9) Irrigated area (km3/yr) | |
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| (N10) Annual runoff, mean (mm/yr) | |
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| (N11) Annual runoff, coefficient of variability (CV) | |
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| (N12) Relative water stress index (RWSI = DIA/Q), mean annual Q | |
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| (N13) Relative water stress index (RWSI = DIA/Q), 30-year low Q | |
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| (N14) Months with RWSI (mean monthly) exceeding 0.4 | |
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| (N15) Number of people (thousands) exposed to water stress, mean annual Q | |
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| (N16) Number of people (thousands) exposed to water stress, 30-year low Q | |
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| (N17) Water reuse index, mean annual | |
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| South American Hydrometeorological Data Bank | Ensuring the Knowledge Base & Several Others Requiring Baseline Information, Case Studies | ||||
| LBA-HydroNET V2.0 | na |
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| Lake Victoria Water Access/Cholera Analysis | Basic Needs/Health | ||||
| Characterizing water scarcity in Africa at different scales | |
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