Assessment of climate change in different regions of Karnataka state

Authors

  • G.S. SRINIVASA REDDY Karnataka State Natural Disaster Monitoring Centre (KSNDMC), Government of Karnataka, Major Sandeep Unnikrishnan Road, Yelahanka, Bengaluru - 560 064, India
  • N. G. KEERTHY Karnataka State Natural Disaster Monitoring Centre (KSNDMC), Government of Karnataka, Major Sandeep Unnikrishnan Road, Yelahanka, Bengaluru - 560 064, India
  • O. CHALLA ICAR-National Bureau of Soil Survey & Land Use Planning, Nagpur, India
  • L.G. K. NAIDU ICAR-National Bureau of Soil Survey & Land Use Planning, Regional Centre, Hebbal, Bangalore - 560 024
  • SRINIVASAN REDDY ICAR NBSSLUP

DOI:

https://doi.org/10.54302/mausam.v75i2.5873

Keywords:

Climate change, Rainfall, Vulnerability, SIK and NIK regions, Karnataka

Abstract

At the regional level, climate change has significant influences on crop productivity and food security. A climate change study was carried out using different parametric indices like rainfall attributes, temperature, and humidity from 58 years of climatic data (1964-2017) in Karnataka. The climatic period was divided into the Pre-climate change period- P1 (1964-1990) and the climate change period- P2 (1991-2017) with 27 years. The result shows annual rainfall and rainy days were increased in South Interior Karnataka (SIK) and Malnad regions and reduced in North Interior Karnataka (NIK) and Coastal regions. Dakshina Kannada, Yadgir, Kalabarugi, Udupi and Kodagu districts showed a significant reduction in receiving rainfall and an increase in Shivamogga, Hassan, Kolar and Chitradurga districts from the P1 to P2 period. NIK and SIK regions are highly prone to drought vulnerability compared to Malnad and Coastal regions. The occurrence of droughts wasincreasing,the temperature trend is increased and the relative humidity trend is decreasing in the P2 period. Assessment of climate variability in P1 and P2 helps to adopt preciseuse of water, nutrient and different crop-specific management in different zones of Karnataka.

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Published

01-04-2024

How to Cite

[1]
G. S. . REDDY, N. G. KEERTHY, O. . CHALLA, L. K. NAIDU, and S. REDDY, “Assessment of climate change in different regions of Karnataka state”, MAUSAM, vol. 75, no. 2, pp. 333–348, Apr. 2024.

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Section

Research Papers

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