ISSN : 2663-2187

Detection of Annual Rainfall and Temperature Trend in Kohima Station, Nagaland, India

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Ms. Visakhonuo Kuotsu, Dr Pramod Chandra Dihingiaand, Dr Khan Chand
» doi: 10.48047/AFJBS.6.12.2024.5714-5720

Abstract

Monitoring the precipitation pattern and fluctuations in temperature can assist in predicting future climate conditions, replenishing groundwater, and determining the amount of water available for crops. The objective of this study is to examine the variations in Standardized Precipitation Index (SPI) values over time and identify the annual patterns of rainfall and temperature using the Mann-Kendall test. The Standardized Precipitation Index is employed to evaluate the magnitude of drought and wet conditions throughout time. The results suggest that the maximum temperature increased till 2014, but from 2015 to 2020, it did not show any apparent trend. In contrast, the minimum temperature decreased in three specific time intervals (1988–1996, 2003–2008, and 2009–2014), but there was no apparent trend in the other two periods. The temporal fluctuations of the SPIexhibit an evident trend that is linked to the phenomenon of climate change. In 1985, there were indications of severely dry weather conditions. The SPI value had a range of -1.5 to -1.99 between 1991 and 2020. It varied from moderately dry or wet to near-normal weather conditions.

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