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Change in global freshwater storage
| Content Provider | Consultative Group on International Agricultural Research (CGIAR) |
|---|---|
| Author | McCartney, Matthew P. Rex, William Yu, Winston Uhlenbrook, Stefan Gnechten, Rachel von |
| Description | Freshwater in both natural and man-made stores is critical for socioeconomic development. Globally, cumulative reduction in terrestrial water storage from 1971 to 2020 is estimated to be of the order of 27,079 Bm3. Although insignificant in comparison to the total volume stored, the decrease in ‘operational’ water stored (i.e., the proportion of water storage that is sustainably utilizable by people) is estimated to be of the order of 3% to 5% since 1971. In many places, both natural and man-made water storage are declining simultaneously, exacerbating water stress. Conjunctive use of different water stores is a prerequisite for water security and it is vital that natural water stores are fully integrated, alongside man-made water infrastructure, in future water resources planning and management. |
| Related Links | https://cgspace.cgiar.org/items/8512e846-1e94-4f7d-a2c0-1d0dad3017a8 |
| File Format | |
| ISBN | 9789290909378 |
| ISSN | 20125763 |
| DOI | 10.5337/2022.204 |
| Language | English |
| Publisher | International Water Management Institute |
| Publisher Place | Colombo, Sri Lanka |
| Access Restriction | Open |
| Rights License | CC-BY-4.0 |
| Subject Keyword | Water, Land and Ecosystems Variability, Risks and Competing Uses Freshwater Resources Water Storage Glaciers Permafrost Groundwater Water Depletion Reservoirs Dams Lakes Wetlands Paddy Fields Soil Moisture Sea Level Water Security Resilience Anthropogenic Changes Climate Change Water Supply Water Management Water Budget Estimates Sedimentation Satellite Observation Water Use Irrigation Hydropower Ecosystem Services |
| Content Type | Text |
| Resource Type | Article |
| Subject | Agronomy and Crop Science Food Science Plant Science |