CAJ | 학술논문

为提高降水利用率，以南京地区为例，搜集了中央气象台2011年6月26日至10月28日南京市未来4d降雨预报值及南京气象站实测降雨数据，分析各等级降雨预报的准确度及其在水稻灌溉决策中的应用。结果表明：无雨和小雨预报时准确度较高，如达到灌溉标准的下限可直接按计算灌水定额实施灌溉；预报为中雨和大雨时，实际发生降雨的概率较高，因此可适当推迟2d进行灌溉；如果没有降雨或者降雨不能满足作物生长需要，则可进行补充灌溉。
위제고강수이용솔，이남경지구위례，수집료중앙기상태2011년6월26일지10월28일남경시미래4d강우예보치급남경기상참실측강우수거，분석각등급강우예보적준학도급기재수도관개결책중적응용。결과표명：무우화소우예보시준학도교고，여체도관개표준적하한가직접안계산관수정액실시관개；예보위중우화대우시，실제발생강우적개솔교고，인차가괄당추지2d진행관개；여과몰유강우혹자강우불능만족작물생장수요，칙가진행보충관개。
In order to improve the utilization rate of rainfall in Nanjing City, rainfall data forecasted by the National Meteorological Center over a forthcoming four-day period and observed rainfall data from the Nanjing Meteorological Station for the period from June 26 to October 28, 2011 were collected. The accuracy of rainfall forecasts and their applications to rice irrigation decision-making were analyzed. The results show that the accuracy was high in forecasting light rainfall and no rainfall, and the calculated irrigation water could be applied with a low risk of wasting irrigation water. When moderate rainfall and heavy rainfall were forecasted, there was a high probability of the occurrence of rainfall, and two-day delayed irrigation could be applied. Supplementary irrigation could be applied if there was no rainfall or if the rainfall could not meet the requirements of crop growth.