Study of changes in temporal distribution pattern of rainfall at Dapoli station in Konkan region of Maharashtra

INTERNATIONAL JOURNAL OF AGRICULTURAL SCIENCES Pub Date : 2024-01-15 DOI:10.15740/has/ijas/20.1/249-256

S. S. Parab, S. S. Nagarkar, B. L. Ayare

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Abstract

Dapoli situated in the Konkan region of Maharashtra is having average annual rainfall of 3587 mm with average number of rainy days 75. The yield of major Kharif season crop rice is affected by the erratic behavior of rainfall. Present study is an attempt to study the rainfall variations at the Dapoli station which will be useful for forecasting the future temporal availability of water. Comprehensive statistical tools were used to investigate trends in averages and monthly rainfall over the station on decadal basis. Forty years (year 1972-2011) daily rainfall data for Dapoli station was used for the analysis. Results of study showed that, decadal mean rainfall depths of June and August were found decreasing and those for September was found increasing. Mean rainfall depth variations for July as well as annual total rainfall were found random. Seven years moving averages showed that, rainfall depths for the months of June, July and August were found decreasing and for month of September was found increasing. In annual rainfall graph a slight decline was observed.

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马哈拉施特拉邦康坎地区达波利站降雨时间分布模式变化研究

达波利位于马哈拉施特拉邦的康坎地区，年平均降雨量为 3587 毫米，平均降雨日数为 75 天。主要旱季作物水稻的产量受到降雨量不稳定的影响。本研究试图对达波利站的降雨量变化进行研究，这将有助于预测未来一段时间内的供水情况。研究使用了综合统计工具来调查该站十年平均降雨量和月降雨量的变化趋势。分析使用了达波利站 40 年（1972-2011 年）的日降雨量数据。研究结果表明，6 月和 8 月的十年平均降雨深度呈下降趋势，而 9 月的十年平均降雨深度呈上升趋势。七月份的平均降雨深度变化以及全年总降雨量的变化都是随机的。七年移动平均值显示，6 月、7 月和 8 月的降雨深度在下降，9 月的降雨深度在上升。年降雨量曲线图略有下降。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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