System gfms, utilizing PMM precipitation data primarily the trmm multi satellite precipitation analysis tmpa and land surface and routing models. With sover the last few years the university of…

This is a $284,733.14 grant awarded by the National Aeronautics and Space Administration (NASA) to the University of Maryland, College Park for the "Improved Global Flood Monitoring and Forecasting with GPM Precipitation and Hydrological Models" project. The grant will focus on adapting the university's existing Global Flood Monitoring System (GFMS) to take advantage of improvements in the NASA Global Precipitation Measurement (GPM) mission's Integrated Multi-satellitE Retrievals for GPM (IMERG) precipitation data products. This includes running GFMS at finer spatial and temporal resolutions, incorporating IMERG's snow/rain differentiation, and expanding GFMS' geographic coverage. The goal is to enhance the system's real-time global flood monitoring and forecasting capabilities. The University of Maryland, College Park is the prime awardee, and this grant has no set-aside designation. The University System of Maryland is the parent organization of the University of Maryland, College Park.

System gfms, utilizing PMM precipitation data primarily the trmm multi satellite precipitation analysis tmpa and land surface and routing models. With sover the last few years the university of maryland has developed the global flood monitoring ubstantial improvement expected in the GPM based imerg multi satellite product now becoming available, we expect exciting improvements in our real time global flood calculations. This proposal will focus on utilizing our current gfms system, adapting IT to take full advantage of the precipitation improvements related to imerg, evaluate the results in terms of improvement of the real time flood calculations due to GPM, and feedback information on remaining limitations of imerg, especially in remote areas, through hydrological validation. Improvements in imerg 1 finer spatial resolution 2 finer temporal resolution 3 improved over land level 2 precipitation algorithms products 4 cross calibration of sensors 5 application of same PMW algorithm to all polar orbiters. 6 early and late versions of imerg for best and most timely flood results 7 rain snow differentiation based on level 2 algorithms and or imerg use of ancillary surface temperature information. Gfms will be adapted in following ways to take advantage of imerg 1 will be run at 1 10TH and 1 16TH degree to match imerg and at finer 1 KM RES. 2 will be run at overlapping time steps to take advantage of multiple imerg runs. Latest imerg data a few hours old will be supplemented with NWP model analysis of precipitation to produce exactly real time flood estimates. 3 existing snowmelt calculations in land surface model will be adapted to take advantage of imerg information. 4 making gfms truly global expand to higher latitudes 70 DEG. Other gfms improvements will hopefully be made as part of other funding, DAM module, regional calibration and high resolution modeling, etc.