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Spatial and temporal analysis of rainfall over Jharkhand, India (1901-2000)

Nandargi, S and Mulye, SS (2014) Spatial and temporal analysis of rainfall over Jharkhand, India (1901-2000). Weekly Science, 1. pp. 1-19.

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After the existence of Jharkhand state in 2000, there is no in-depth study for districts rainfall climatology, its variability and the changing pattern of rainfall using a long period of data is available for the state. About 75% of the agricultural production in Jharkhand is non-irrigated, showing the dependence of the state on monsoon rainfall. In the present study, based on monthly rainfall series of all the 24 districts of Jharkhand for the period 1901-2000 variability of rainfall during monsoon seasons and annual rainfall for Jharkhand state are presented. The study can form very useful information to the agriculture and water sectors of this state. The analysis revealed that during 1901 to 1950 state has showed good rainfall activity than during 1951 to 2000. Variation in rainfall is mostly due to varied and undulating topography almost in all the districts. The maximum abnormality (>100%) in annual and seasonal rainfall was recorded during 1971-80, 1981-90 decades. Comparison of seasonality index for 1901-50, 1951-2000 and for the entire period 1901-2000 showed that SI has increased during 1951-2000. The long term mean annual rainfall based on 100 years data varied from 1136.8 mm over Koderma to 1542.5 mm over Pakur district.

Item Type: Article
Additional Information: Copyright of this article belongs to Weekly Science
Uncontrolled Keywords: Spatial and Temporal rainfall, Seasonal and Annual rainfall, Seasonality Index, Precipitation Ratio
Subjects: Meteorology and Climatology
Depositing User: IITM Library
Date Deposited: 10 Aug 2015 06:15
Last Modified: 10 Aug 2015 06:15

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