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地形指数的物理意义分析

DOI: 10.11820/dlkxjz.2002.02.002, PP. 103-110

Keywords: 地形指数,地形指数计算,梭磨河流域,物理意义,有效汇流面积

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Abstract:

地形指数模型(TOPMODEL)用地形指数在流域中的空间格局来确定流域饱和缺水量的空间分布和产流区的空间位置与范围,物理意义明确。本文介绍了地形指数的物理基础及其与土壤水分的关系。分析了地形指数空间变化与汇流面积a及局地坡度空间变化的关系,a范围内有效汇流面积的变化,提出了一种确定a上限值的方法。

References

[1]   Beven K J,K irkby M J.A p hysically based,variab le con tribu ting area m odel of basin hyd ro logy[J].H y d rolog ica lS ciences B u lletin,1979,24:43-68.
[2]   Sivap alan M,Beven K J,W ood E F.O n hyd ro log ic Sim ilarity 2——A scaled m odel of sto rm runoff p roduction[J].W a ter R esou rces R esea rch,1987,23(12):2266-2778.
[3]   Sau ln ier A M,Bevem K J,O b led C.D ig ital elevation analysis fo r d istribu ted hyd ro log icalm odeling:reducing scaledep endence in effective hyd rau lic conductivity V alues[J].W a ter R esou rces R esea rch,1997,33:2097-2101.
[4]   W o lock D M,P rice C V.Effects of d ig ital elevation m odel and m ap scale and data reso lu tion on a topog rap hy-based w atershed m odel[J].W a ter R es.R esea rch,1994,30(11):3041-3052.
[5]   Beven K J,K irkby M J,Schofield N.T esting a p hysically-based flood fo recasting m odel(TO PM OD EL)fo r th reeU.K.Catchm en ts[J].J ou rna l of H y d rology,1984,69:119-143.
[6]   Q u inn P F,Beven K J,L am p R.T he ln(a tanΒ)index:how to calcu late it and how to u se it w ith in the TO PM OD-EL fram ew o rk[J].H y d rol.P rocess,1995,9(2):161-182.
[7]   W o lock D M,M cC sbe Q J.Com p arison of sing le and m u ltip le flow d irection algo rithm s fo r Com p u ting topog rap h icp aram eters in TO PM OD EL[J].W a ter R esou rce R esea rch,1995,31(5):1315-1324.

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