最后，对信江流域洪涝指数作了预报试验。
Finally, the forecast experiments were made with the flood index in the basin.
在此基础上确定了流域雨量集中期、集中度及信江流域洪涝指数。
On this basis, precipitation concentration period, concentration degree and the flood index in Xinjiang River basin were determined.
但是，由于人口的增加，土地利用结构与垦殖指数都不会有明显的变化，所以流域的产沙不可能有大幅度的减少。
But the land use structure and reclamation index will not vary obviously with an increase of population, therefore, the sediment load from the river basins will not decrease greatly.
以巢湖流域为研究区，尝试采用改进的磷指数法在较大的流域尺度开展非点源磷流失风险评价及关键源区识别。
A modified version of P index was used to assess P loss risk and identify critical source areas in Chaohu watershed at a regional scale.
这种地形指数新算法的提出对于流域水文过程机理分析及陆面过程定量化研究具有一定的现实意义。
The new algorithm proposed in this paper will be useful to a certain extent to analyze watershed hydrological processes and quantify the land surface processes.
运用单因子指数法和综合污染指数法对傅疃河流域的水环境污染现状进行了评价；
Single gene index method and complex pollution indices method are used in this paper to evaluate the actuality of the water pollution in the watershed of the Futuan river.
通过该评价方法发现，在泾河流域西北部的大部分子流域的植被冗亏指数小于-0.2，植被亏缺较为严重；
By this method, we found that the VRD indices for most watersheds of the northwestern basin were less than -0.2, displaying a severe vegetation deficiency.
径流生成模块以山坡水文学理论为基础，重点考虑流域地形的影响，分单元引入地形指数进行产流计算。
The former bases on the hillslope hydrology and puts emphasis on the effects of terrain which denoted with topographic index for each grid.
利用修正后的“流域水资源承载力平衡指数(IWSD)”方法，研究了海河流域1960 - 2030年水生态环境状况的变迁过程。
Using a modified method of Index of water Supply and Demand (IWSD), this paper studies the transitional track of water ecosystem in the Hai River Basin from1960to2030.
通过该模型反衍出了泾河流域潜在植被指数，提出以该指数为基础的植被冗亏格局的评价新方法。
Based on this model, we reversely deduced the potential vegetation index of Jinhe River Basin and proposed.
而流域东南部山区的大部分子流域的植被冗亏指数介于- 0.10到0.10之间，植被亏缺最轻。
However, in southeastern hilly of the basin, the indices were only between -0.10 and 0.10, the least deficiency.
流域盆地的风化作用指数由北向南逐渐增加，这与世界上其它地区十分相似。
Also, the weathering indices which is a ratio of the stable to active elements, increases from the north to south, indicating the control of weathering on river chemistry.
地形指数空间变异特征分析可为研究流域地形和流域水文相似性提供基础资料。
The analysis of the topographic index variance can help us study catchment topography and hydrological similarity.
用单因素指数模型模拟洱海流域农田土壤氮素矿化拟合度很高，效果较好。
By using one-pool model to simulate the mineralized process in soils in Erhai Lake basin, the effect was relatively good with a high goodness-of-fit.
结果表明：STPNA（海温的太平洋北美遥相关型）指数距平累积和与江淮流域夏季降水有密切的相关，与全国雨带的类型也有较好的联系。
The results indicate that there is better relationship between the departure accumulation of the index STPNA (PNA teleconnection pattern of the North Pacific SST) and flood season rainfall in china.
在此基础上运用统计学方法从三个方面研究土地利用、不透水层、土壤物理特性等流域特性对这17个流量指数的影响。
We used statistical methods to quantify the effects of land use types, impervious surface, and soil physical properties on 17 flow metrics in three aspects.
在此基础上运用统计学方法从三个方面研究土地利用、不透水层、土壤物理特性等流域特性对这17个流量指数的影响。
We used statistical methods to quantify the effects of land use types, impervious surface, and soil physical properties on 17 flow metrics in three aspects.
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