NDLI: Simulating the Soil Moisture and Runoff in Baohe Catchment Based on TOPMODEL and DEM

Content Provider	IEEE Xplore Digital Library
Author	Xuemei Zhu Wei Peng Jingwen Xu Yuanxiang Yang
Copyright Year	2009
Abstract	TOPMODEL, a rainfall-runoff distributed physical concept frame to simulate hydrological process in watershed or slope mathematically, has been proposed for decades. This paper combines the new geo-information system (GIS) and this model to simulate the soil moisture and runoff in a Baohe River basin. Based on the 90m-resolution grid-based digital elevation model data, the digital drainage network is generated to simulate the stream flow processes and the soil moisture distribution. The years from 1981 to 1983 are selected as the calibration period and the years from 1984 to 1985 are selected as the verification period for daily stream flow simulation. Nash-Sutcliffe efficiency is utilized to evaluate the performance of TOPMODEL. Through the above-mentioned studies, primary conclusions can be drawn that the Nash-Sutcliffe during the calibration period is 87.10% and during the verification period is 78.06%. And the soil moisture distribution simulated by TOPMODEL is agreement with the field observation, which suggest that TOPMODEL can be used as a soil moisture prediction tool and hence as an agricultural drought forecasting tool.
Starting Page	297
Ending Page	300
File Size	288681
Page Count	4
File Format	PDF
ISBN	9781424464203
e-ISBN	9781424464210
DOI	10.1109/IITAW.2009.52
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-11-21
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	TOPMODEL Atmospheric modeling Soil moisture runoff Surface topography Rivers Calibration Information technology DEM Equations Water storage geo-information system Baohe River basin Attenuation Digital elevation models
Content Type	Text
Resource Type	Article

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