It is based on actual evapotranspiration 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。
The critical rainfall amount was determined and the potential forecasting model of heavy rainfall regime landslides was built with the effective rainfall method.
利用实效雨量计算方法，确定了大降雨型滑坡临界雨量，以此为依据建立了潜势预报模型。
On this basis, this paper takes effective photosynthesis radiation, temperature and rainfall as climatic indexes, and analyzes their relations with pasture growth.
并在此基础上，以光合有效辐射、温度和降雨量作为气候指标，分析了它们与牧草长势之间的关系。
The factors that affect effective utilization of rainwater resources consist of heavy leakage and asymmetry seasonal distribution of rainfall and peculiar soil moisture character in coincidence.
降水大量渗漏、雨水资源季节性分配不均、特殊的土壤水分物理性质等偶合构成了湘西北岩溶山区雨水资源有效利用的影响因素。
Based on the full hydrodynamic model, a new approach is proposed to calculate the distributed threshold rainfall for flash flooding, which constitutes the basis for effective flash flooding warning.
基于该模型，提出新的方法确定山洪灾害的临界降雨条件，并应用于典型山洪易发区的暴雨山洪预报。
According to the echo area and intensity change of target cloud, the qualitative judgment that the artificial rainfall is effective or not can be gotten.
根据作业云回波面积和强度的变化，可定性判断人工增雨是否有效。
The research results provided an effective method for the distributed rainfall-runoff model in simulating actual evapotranspiration.
为流域分布式降雨-径流模型提供了可靠的实际蒸散量模拟方法。
The research results provided an effective method for the distributed rainfall-runoff model in simulating actual evapotranspiration.
为流域分布式降雨-径流模型提供了可靠的实际蒸散量模拟方法。
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