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<p>A proper understanding of rainfall and temperature variability is key to the planning and management of land and water resources. The variations in the climatological, hydrological, and meteorological parameters affect water availability, agriculture, and livelihood in a region/state. Hence, the present study focuses on the rigorous analysis of trends in the rainfall and temperature (<i>T</i><sub>max</sub> and <i>T</i><sub>min</sub>) parameters in 36 districts of Maharashtra using 1991–2022 data. Three trend test methods, viz., Mann-Kendall with Sen’s slope, modified Mann-Kendall (MMK), and innovative trend analysis (ITA) tests were applied. The annual and decadal trends were estimated for the three decades: the first decade (1991–2000), the second (2001–2010), and the third (2011–2022), along with the monthly trends across 36 districts. The analysis of trend results revealed significant trends in rainfall and <i>T</i><sub>max</sub> and <i>T</i><sub>min</sub> for both time scales, and a strong agreement between the MMK and ITA tests. The results of this study can help government agencies and policymakers minimize the repercussions of global warming and climate change on human society and ecosystems.</p>

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Evaluation of regional trends in the hydro-meteorological variables of West-Central India: Implications for climate change

  • 期刊论文

  • 发表日期：

    2026年4月2日

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  • Yuvraj Nanasaheb Dhivar,
  • Madan Kumar Jha

摘要

A proper understanding of rainfall and temperature variability is key to the planning and management of land and water resources. The variations in the climatological, hydrological, and meteorological parameters affect water availability, agriculture, and livelihood in a region/state. Hence, the present study focuses on the rigorous analysis of trends in the rainfall and temperature (Tmax and Tmin) parameters in 36 districts of Maharashtra using 1991–2022 data. Three trend test methods, viz., Mann-Kendall with Sen’s slope, modified Mann-Kendall (MMK), and innovative trend analysis (ITA) tests were applied. The annual and decadal trends were estimated for the three decades: the first decade (1991–2000), the second (2001–2010), and the third (2011–2022), along with the monthly trends across 36 districts. The analysis of trend results revealed significant trends in rainfall and Tmax and Tmin for both time scales, and a strong agreement between the MMK and ITA tests. The results of this study can help government agencies and policymakers minimize the repercussions of global warming and climate change on human society and ecosystems.