GloSea is an ensemble prediction system that is fully coupled with atmosphere, land, surface, ocean, and sea ice components. GloSea6-GC3.2 consists of the Unified Model (UM) Global Atmosphere (GA), version 7.2, for the atmosphere, Nucleus for European Modeling of the Ocean (NEMO) Global Ocean (GO), version 6.0, for the ocean, the Joint U.K. Land Environment Simulator (JULES Global Land (GL), version 8.0, for land, and the Los Alamos Sea Ice Model (CICE) Global Sea ice (GSI), version 8.1, for sea ice. These component models are coupled using the OASIS, version 3, coupler. The horizontal and vertical resolutions of GloSea6 for the atmosphere are N216 (0.556 latitude × 0.833 longitude degrees, approximately; 60 km) and L85 (85 vertical levels capped at 85 km above sea level), respectively. In the ocean model, resolution is 0.258 except for near the equator (20°S–20° N degrees; 1/ 3 degrees), and it has 75 vertical levels.
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