ISIMIP3b reservoirs & dams input data

The Inter-Sectoral Impact Model Intercomparison Project (ISIMIP) provides a framework for the collation of a consistent set of climate impact data across sectors and scales. It also provides a unique opportunity for considering interactions between climate change impacts across sectors through consistent scenarios.<br>The ISIMIP3b part of the third simulation round is dedicated to a quantification of climate-related risks at different levels of global warming and socio-economic change. ISIMIP3b group I simulations are based on historical climate change as simulated in CMIP6 combined with observed historical socio-economic forcing. ISIMIP3b group II simulations are based on climate change according to the CMIP6 future projections combined with socio-economic forcings fixed at 2015 levels. ISIMIP3b group III simulations additionally account for future changes in socio-economic forcing.<br>In order to offer a consistent and common source of reservoirs and associated dams for climate impact modelers, we joined the Global Reservoir and Dam Database (GRanD) v1.3 (Lehner et al., 2011a, 2011b), product of the Global Water System Project, with a set of dams provided by Dr. Jida Wang, from the Kansas State University (KSU). In total, the database includes 7291 dams, constructed/under construction from 286 to 2020, and a total global cumulative storage capacity of approximately 6828 km³. The dams from KSU (11) were constructed or showing some impoundment in Google Earth/Landsat imagery from 2016 to 2020, adding thus some value on the future projections of ISIMIP.