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Does weather sensitivity of rice yield vary across sub-regions of a country? Evidence from Eastern and Southern India

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  • Anubhab Pattanayak
  • K. S. Kavi Kumar

Abstract

Assessment of regional (sub-national) impacts of climate change has gained increasing attention in the literature. This study uses four decades of district-level information and variations in regional rice growing season window to estimate region-specific crop yield–weather response functions for Southern and Eastern India. The study finds that estimated sensitivity of rice yield to intra-seasonal changes in weather parameters vary across regions. Comparison of simulated impacts suggests that using an all-India response function, which ignores key region-specific characteristics influencing regional weather-sensitivity, tends to significantly overestimate regional impacts and undermines the spatial distribution of impacts within each region. Simulated impacts using region-specific response functions suggest that average yield losses due to past changes in climate for the Southern and the Eastern regions could be about ∼8% and ∼5%, respectively. This study highlights the need for incorporating region-specific characteristics in regional vulnerability assessments for effective local adaptation planning.

Suggested Citation

  • Anubhab Pattanayak & K. S. Kavi Kumar, 2021. "Does weather sensitivity of rice yield vary across sub-regions of a country? Evidence from Eastern and Southern India," Journal of the Asia Pacific Economy, Taylor & Francis Journals, vol. 26(1), pages 51-72, January.
    • Handle: RePEc:taf:rjapxx:v:26:y:2021:i:1:p:51-72
    DOI: 10.1080/13547860.2020.1717300
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    Cited by:

    1. L. Muralikrishnan & Rabindra. N. Padaria & Anchal Dass & Anil K. Choudhary & Bharat Kakade & Shadi Shokralla & Tarek K. Zin El-Abedin & Khalid F. Almutairi & Hosam O. Elansary, 2021. "Elucidating Traditional Rice Varieties for Consilient Biotic and Abiotic Stress Management under Changing Climate with Landscape-Level Rice Biodiversity," Land, MDPI, vol. 10(10), pages 1-17, October.

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