Study of the spatial variability of rainfall and its impact on water resource sharing in the North region of India (5, 6, 7)
Author(s):
Chandra Shekhar Mishra, R.K. Pandey, Shakti Suryanshi
Keywords:
Monsoon Rainfall; Temporal Variability; Trend; Temporal Variability
Abstract
The climate change, as realized through trends of temperature rise and increased CO2 concentration, is a major concern. In the recent past, the number of studies for assessing its impact on agriculture has increased. Crop growth models have been modified and tested for various important crops of this region under different climate change scenarios. But most of the results happen to be region specific and with certain assumptions. Accuracy in assessing the magnitude of the climate change on higher spatial and temporal resolution scale is the prime requirement for accurate estimates of the impact. The extent of inter- and intra-annual variability in climate happens to be large in this region, and the crops respond differentially to these changes. Understanding of this differential behavior can aid in working out the impact of climate change. The vast genetic diversity in crops provides a platform to identify suitable thermal and drought tolerant cultivars for sustained productivity in the changed climate. The main objective of the study is to analyze the spatial and temporal variability rainfall in the humid regions of North region of India within the period 1915-2015. An added objective is to verify the differences in the spatial variability of rainfall in all the three region of the North region of India (5, 6, 7) and how that impact water resource sharing. The flip-flop in annual rainfall was evident in 1914-2015. Similar rainfall trends (increase) was noticed in all the seasons viz., southwest monsoon, post monsoon and winter except in summer during which a marginal decline in annual rainfall was noticed. Recent studies indicated that the increase in average temperature is 0.61 based on the data from 1901 to 2015. It is likely to increase further depending up on the emission of GHGs in the atmosphere. The increase in maximum temperature across India is 0.76°C during the period from 1901 to 2003. Over India, temperatures are increasing.
Article Details
Unique Paper ID: 144976

Publication Volume & Issue: Volume 4, Issue 6

Page(s): 450 - 461
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