The GLARM-Proj1 dataset delivers a comprehensive outlook on the future of the North American Great Lakes under climate change. It is a high-resolution daily climate dataset that was developed by dynamically downscaling Coupled Model Intercomparison Project Phase 5 (CMIP5) Global Climate Models (GCMs) using the Great Lakes Atmosphere-Regional Model (GLARM), which is a state-of-the-art regional climate modeling system that simulates the Great Lakes using a two-way coupled three-dimensional (3D) hydrodynamic lake and ice model based on the Finite Volume Community Ocean Model (FVCOM). GLARM-Proj1 spans from 1981 to 2099 and considers two future emission scenarios, Representative Concentration Pathway (RCP) 4.5 and 8.5. The Great Lakes in GLARM are simulated at a 1-4 km horizontal and a 5 m vertical resolution through FVCOM, and GLARM-Proj1 provides a 3D field of daily water temperature and a two-dimensional (2D) field of daily ice cover. A 2D field of 2-meter air temperature is also provided in GLARM-Proj1 at an 18 km horizontal resolution over the entire Great Lakes basin.
Historical Simulations (1981-2005)
RCP 4.5 Simulations (2006-2099)
RCP 8.5 Simulations (2006-2099)