Frozen soil parameterization in a distributed biosphere hydrological model
Frozen soil parameterization in a distributed biosphere hydrological model
复制标题
分布式生物圈水文模型中的冻土参数化
DOI:
10.5194/hess-14-557-2010
复制
发表时间:
2009-11
期刊:
影响因子:
--
通讯作者:
Yang Kun
中科院分区:
文献类型:
--
作者:
Jin Rui;Li Hongyi;T.Koike;Wang Lei;Yang Kun
Abstract. In this study, a frozen soil parameterization has been modified and incorporated into a distributed biosphere hydrological model (WEB-DHM). The WEB-DHM with the frozen scheme was then rigorously evaluated in a small cold area, the Binngou watershed, against the in-situ observations from the WATER (Watershed Allied Telemetry Experimental Research). First, by using the original WEB-DHM without the frozen scheme, the land surface parameters and two van Genuchten parameters were optimized using the observed surface radiation fluxes and the soil moistures at upper layers (5, 10 and 20 cm depths) at the DY station in July. Second, by using the WEB-DHM with the frozen scheme, two frozen soil parameters were calibrated using the observed soil temperature at 5 cm depth at the DY station from 21 November 2007 to 20 April 2008; while the other soil hydraulic parameters were optimized by the calibration of the discharges at the basin outlet in July and August that covers the annual largest flood peak in 2008. With these calibrated parameters, the WEB-DHM with the frozen scheme was then used for a yearlong validation from 21 November 2007 to 20 November 2008. Results showed that the WEB-DHM with the frozen scheme has given much better performance than the WEB-DHM without the frozen scheme, in the simulations of soil moisture profile at the cold regions catchment and the discharges at the basin outlet in the yearlong simulation.
登录
查看更多内容
影响因子:
--
作者:
B. Ye;Daqing Yang;Zhongliang Zhang;D. Kane
通讯作者:
B. Ye;Daqing Yang;Zhongliang Zhang;D. Kane
影响因子:
--
作者:
A. Slater;A. Pitman;C. Desborough
通讯作者:
A. Slater;A. Pitman;C. Desborough
影响因子:
4.7
作者:
M. C. Cabral;L. Garrote;R. Bras;D. Entekhabi
通讯作者:
M. C. Cabral;L. Garrote;R. Bras;D. Entekhabi
影响因子:
5.2
作者:
M. Woo;M. A. Arain;M. Mollinga;S. Yi
通讯作者:
M. Woo;M. A. Arain;M. Mollinga;S. Yi
影响因子:
4.4
作者:
Cherkauer, KA;Lettenmaier, DP
通讯作者:
Lettenmaier, DP