Browsing by Author "Pandey, Swati"
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Publication Evaluating long-term variability in precipitation and temperature in eastern plateau region, India, and its impact on urban environment(Springer Science and Business Media B.V., 2021) Kumar, Amit; Pandey, Arvind Chandra; Pandey, Swati; Srivastava, P.K.In the present study, the long-term variability in precipitation and temperatures was analyzed in relation to the urban environment of Ranchi Metropolitan Region, eastern plateau region, India. The daily meteorological observations of 5�decades (1961�2010) indicated an increasing mean temperature (0.4��C) and decreasing cumulative precipitation in the Ranchi, capital region of the state Jharkhand. The results exhibited a declining precipitation patterns in the recent decade as compared to the earlier 4�decades. The high daily monsoon rainfall intensity with low cumulative precipitation can be observed during post-2000 periods, which indicate a highly erratic nature of precipitation in the region. Temporal census data demonstrated that the Ranchi urban region faced enormous proliferation in the human population (21 times) during the period 1927�2010 and thereby induced the extensive alteration in land use/land cover and rapid built-up expansion (> 5 times) as evidenced by the temporal satellite-based observations. The increasing annual per capita land consumption (361.50%) together with annual per capita loss of heat sink zones (96.3% during 1927�2010) and high influx of vehicles (563% during 1997�2010) influenced the local and regional climatic variable in the region. The results indicate that the rapid and haphazard urban sprawl in the last few decades and increase in built-up and impervious surface largely contributed in increasing the land surface temperature (34�42��C) as compared to the rural environment (30�38��C), which perhaps could be the region for the changes in climate and weather pattern of the area. � 2020, Springer Nature B.V.
