Future changes in precipitation extremes during northeast monsoon over south peninsular India

It is well recognized that the global climate has been warming and it can have adverse regional impacts in the future. Besides producing changes in mean climate, global warming can also substantially alters the weather and climate extremes. Considering the impact of weather extremes on agriculture a...

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Bibliographic Details
Published in:Theoretical and applied climatology 2020-10, Vol.142 (1-2), p.205-217
Main Authors: Rao, K. Koteswara, Kulkarni, Ashwini, Patwardhan, Savita, Kumar, B. Vinodh, Kumar, T. V. Lakshmi
Format: Article
Language:English
Subjects:
Aquatic Pollution
Atmospheric Protection/Air Quality Control/Air Pollution
Atmospheric Sciences
Climatology
Earth and Environmental Science
Earth Sciences
Global warming
Management
Original Paper
Rain and rainfall
Waste Water Technology
Water
Water Management
Water Pollution Control
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Summary:It is well recognized that the global climate has been warming and it can have adverse regional impacts in the future. Besides producing changes in mean climate, global warming can also substantially alters the weather and climate extremes. Considering the impact of weather extremes on agriculture as well as water resource management in an agrarian country like India, present study aims to characterize future changes in precipitation extremes in northeast monsoon season (October–November–December) over south peninsular India based on statistically downscaled high-resolution NASA Earth Exchange Global Daily Downscaled Projections (NEX-GDDP) datasets. This NEX-GDDP dataset simulates the mean rainfall reasonably well. There may be an increase in precipitation in near (5% under RCP 4.5 and 11% under RCP 8.5) and far future (21% and 38% under RCP4.5 and RCP 8.5 respectively). Future climate projections indicate that both the intensity and frequency of precipitation extremes in most parts of the south peninsular India may increase under both the warming scenarios during northeast monsoon season.
ISSN:0177-798X
1434-4483
DOI:10.1007/s00704-020-03308-y