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Title:
Thirty Years of Flood Forecasting with John Schaake: Latest Advances in Distributed Modeling
Authors:
Bras, R. L.; Vivoni, E. R.; Ivanov, V. Y.
Affiliation:
AA(Massachusetts Institute of Technology, 77 Massachusetts Ave. Room 48-213, Cambridge, MA 02139 United States ; ), AB(Massachusetts Institute of Technology, 77 Massachusetts Ave. Room 48-213, Cambridge, MA 02139 United States ; ), AC(Massachusetts Institute of Technology, 77 Massachusetts Ave. Room 48-213, Cambridge, MA 02139 United States ; )
Publication:
American Geophysical Union, Fall Meeting 2001, abstract #H32F-02
Publication Date:
12/2001
Origin:
AGU
AGU Keywords:
1800 HYDROLOGY, 1860 Runoff and streamflow
Abstract Copyright:
(c) 2001: American Geophysical Union
Bibliographic Code:
2001AGUFM.H32F..02B

Abstract

John Schaake must be one of the most versatile hydrologists anywhere. Over his long career John has dealt with everything from urban hydrology to climate change. Throughout that trajectory he has always maintained an avid interest in the very real and pragmatic problem of flood forecasting. This paper briefly discusses modern distributed models for flood forecasting in the context of John's contributions but spends most of the time presenting the latest advances in the field. In particular we will discuss tRIBS, a continuous time, distributed model built on a variable size triangulated mesh. We will present the logic and performance of the triangulated mesh. At the heart of the hydrology is the soil moisture accounting scheme that produces runoff with Hortonian, saturation from below or seepage mechanisms. The linkage between the unsaturated and saturated zone is discussed as well as the moisture redistribution due to evapotranspiration. Performance when driven with NEXRAD radar rainfall data is presented using several basins in the United States.
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