1
Preparing for SWOT data assimilation in a coupled atmosphere-surface-hydrology-hydrodynamics prediction system Schematics of the Canadian National Surface and River Prediction System (NSRPS) based on the GEM-Hydro modelling system • • • • • • • • Preparing for estimation of estuarine tides from SWOT • • • • • • • • • • • • • SWOT Cal/Val activities in the St. Lawrence Estuary Representation of surface waters Watersheds modelled with NSRPS • • • • • Assimilation of in-situ flow data in WATROUTE Red dots: Assimilated Canadian streamflow gauges General strategy for assimilation of SWOT altimetry data in NSRPS • • • • • • • • • • • • Illustration of upstream propagation for two tributaries of Lake Champlain Preparing for assimilation of lake levels in Canadian Small Lake Model M 2 S 2 M 4 Atlantic Ocean Gulf of St. Lawrence Study area Lampsilis Soil Lake Surface runoff Lateral flow Base drainage Watroute Water level Runoff • •
