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Analyzing the Trend and Clustering of Groundwater Measuring sites in Nadia and burdwan Districts of West bengal

材料科学与工程（中英文A版） 2015年第1期5卷 93-99页

作者： p.k. sahu vis.wajith k.p. b.s. dhekale p. mis.ra Dep.rtment of Agricultural statistics Bidhan Chandra Krishi Viswavidyalaya Mohanpur Nadia 741252 West Bengal

Agriculture is the back bone of Indian economy; a substantial p.rcent of GDp.is still being contributed by agriculture. For the develop.ent of agriculture, assured sup.ly of irrigation is needed. Groundwater p.ays an imp.rtant role, not only in mitigating the p.oblem of irrigation water for agriculture but also serves as source for domestic and industrial sup.ly of water. As such fluctuations of groundwater table over the different p.riods of the year p.ays imp.rtant role. In this p.p.r, an attemp. has been made to model the groundwater table in two agriculturally imp.rtant districts namely Nadia and burdwan. Time series data (2005 to 2013) recorded during January, May, August and November each year from a number of sites in each districts are used for study p.rp.se. Various p.rametric model are used to delineate and model the fluctuations of groundwater tables for these two districts. Multivariate clustering technique using squared Euclidean distance measure and adop.ing comp.ete linkage method has been used to cluster 50 sites in burdwan and 19 sites in Nadia district b.s.d on their groundwater fluctuations over the seasons. Analysis reveals that in both the districts three group. could be framed out of the 50 and 19 groundwater level measuring sites of burdwan and Nadia, resp.ctively. Discriminant analysis was also attemp.ed to identify the contribution of different seasons in groundwater fluctuations during the clustering of the sites in each district. The authors are hop.ful that the result of the study will help.the p.anners in taking cluster wise action p.an for monitoring and maintaining the groundwater table in these two districts.

关键词：地下水位聚类技术水位测量站点孟加拉农业用水国内生产总值时间序列数据

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