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| | Articles of Volume : 1 Issue : 31 ( 20, February - 2014) | | | | 75 | Cluster Analysis Approach To Study The Rainfall Pattern In Visakhapatnam District | | By : G. Samba Siva , V. Srinivasa Rao and D. Ratna Babu | | Abstract : A multivariate approach based on hierarchical cluster analysis has been
proposed to study the pattern of rainfall in different mandals of
Visakhapatnam district of Andhra Pradesh. The approach was applied to
study the rainfall patterns of 42 mandals based on 25 years of rainfall data of
Visakhapatnam district from 1986-2010. The application of hierarchical
clustering approaches single linkage, complete linkage, average linkage and
Ward's minimum variance methods possesses unique characters, which
contribute to larger inter procedural differences and results obtained from
these methods are unique. The application of these approaches identified
medium rainfall (862 mm-1162 mm) was the most frequent representative
pattern of rainfall in majority mandals of Visakhapatnam district. The analysis
based on multivariate approaches provides useful information about the
rainfall patterns that are likely to occur in different regions in different periods. | | | | Author Profile | Full-Text PDF | |
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