Effective rainfall

The pine trees were found to be able to curtail the splash detachment of the soil and reduce the effective rainfall . The splash erosion under the forest was reduced by 20 % , the soil loss reduced by 43.20 % .

研究发现，林木具有缓冲高强度降雨对土壤的滴溅侵蚀和减少有效降雨的能力，使林下土壤溅蚀量减少了约20%，土壤流失量降低了43.20%。

Effective Rainfall and Its Determination Method in the Arid and Semiarid Areas ( a Summary )

干旱半干旱地区的有效雨量及其确定方法（综述）

It is based on actual evapo-transpiration capacity , effective rainfall and water reserve of soil to forecast irrigation time .

以实际蒸发蒸腾量、有效降雨量和土壤贮水量来预报未来灌水时间。

According to the field potential moisture evaporation , the effective rainfall , it establishes a maize moisture requirement dynamic model .

分析了田间潜在水分蒸发量、有效降雨量等因素的变化及趋势，建立了玉米产中水分需求动态模型。

In the same region and the same rainfall type , the effective rainfall was less and less as the slope increasing .

同一地区、同一降雨年型的有效降雨量随着耕地坡度的增加而减少。

The author computes the effective rainfall of the distributed hydrological model based on grid in the small basin lacking data successfully .

最后，作者成功的实现了基于网格的少资料地区小流域分布式水文模型的产流计算。

After the completion of the spatial interpolation of precipitation , the author computes the effective rainfall using the SCS method .

在完成降雨量空间插值之后，作者根据小流域缺少实测资料的特点，采用SCS模型进行了产流计算。

In wet years with exceeding 350 mm effective rainfall during the growing season , sunflower should not be irrigated .

全生育期有效降水量超过350mm的丰水年份不应该再灌水。

Drought conditions in China 's southwestern region are worsening as there 's been no effective rainfall in the areas since the middle of this month .

自本月中旬以来，中国西南地区无任何明显降雨，导致该地区旱情进一步恶化。

The effective rainfall model is defined by correlation analysis , and the threshold valves of critical rainfall and critical rainfall intensity are obtained to predict the time quantitatively .

得到了浙江省区域性滑坡发生的临界降雨量和降雨强度阀值，为实时时间预警提供了定量依据；

From the view of effective rainfall , in consideration of the times and the amount of the rainfall , especially the temporal distribution of the rainfall and its effectiveness , a new drought index is developed .

从有效降水过程观点入手，针对降水过程次数、降水过程总量，尤其是降水过程的时间分布结构和效能，提出了一种新的干旱指数式。

The main research contents are as follows : 1 . Adopting statistics analyses method to analyze the relationship of Zhejiang province 's rainfall with region landslides in Zhejiang , then the article discusses the model of effective rainfall .

采用统计分析方法，初步分析了浙江省降雨量和降雨强度和浙江省区域性滑坡的相关性，探讨了有效降雨量模型；

The main results were as follows : ( 1 ) Distribution characteristic of precipitation in time and space and effective rainfall : There was large change in Chongqing annual rainfall , and since 1994 , this wave was being great .

主要结论如下：（1）重庆高温伏旱区降水时空分布特征与有效降水量：重庆各年降雨量变化较大，且从1994年开始，这个波动有增大的趋势。

This study proves exist of these effects in the Yunnan pine forest . As field experiment indicated , the canopy interception of the forest averaged 36.29 % , and effective rainfall under the canopy was only 63.71 % of the rainfall .

云南松林冠在整个雨季截留率平均达36.29%，使林下有效降雨量仅为降雨量的63.71%。

Method for Soil Moisture Calculation in Plough Layer Based on Antecedent Effective Rainfall Projects to protect the natural forests and wetlands , and to reconvert farmland into forest or pasture have been carried out on the upper reaches of the Yangtze River .

基于前期有效降水推算耕作层土壤湿度的方法在长江上游实施天然林保护工程，退耕还林、还草和湿地保护工程。

The three quality controlling schemes are effective for rainfall forecast , especially the heavy rainfall .

对降水预报，特别是强降水天气过程的预报，该质量控制方案具有普遍意义。

In this paper , a quantitative method based on Logistic regression and effective antecedent rainfall is proposed .

文章将Logistic回归模型与前期有效降雨量结合，形成一套对降雨诱发型滑坡进行定量预测预报的方法。

Determination of Effective Antecedent Rainfall for Debris Flow Forecast A Nonlinear Perturbation Model Based on Artificial Neural Network and Considering the Antecedent Precipitation Index

泥石流预报中前期有效降水量的确定考虑前期影响雨量的NLPM-AMN模型