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Spatiotemporal Pattern Assessment of Precipitation for the Wainganga Sub-Basin

Aradhana Thakur1,2 * , Prabhash Kumar Mishra2 , A K Nema1 and Souranshu Prasad Sahoo1

1 National Institute of Hydrology, Roorkee, Uttarakhand, India

Corresponding author Email: arru.aradhana@gmail.com

DOI: http://dx.doi.org/10.12944/CWE.15.3.15

Precipitation is the major component of a hydrologic system, which significantly influences the planning and management of the water resources. The present study is principally concerned with the shifting of precipitation patterns over time. This study attempted to explain the precipitation trend for 65 years (1951-2015) using a Mann-Kendall test (MK test) and trend magnitude by Sen's slope estimator. Daily gridded data procured from India Meteorological Department (IMD) of 0.25º × 0.25º degrees to find the monthly and seasonal variability of precipitation. Eighty-five grids were falling in the basin processed for the periods from 1951 to 2015. The statistical analysis revealed that the average annual precipitation (AAP) and monsoon precipitation following the insignificant downward trend with Z statistics 0.10 and 1.23 and Sen's slope 0.79 and 0.76, respectively, over the basin. The shift analysis shows the AAP and monsoon precipitation increased significantly during 1951-61, whereas during the 1962-2015 rise in precipitation was insignificant. That changes in precipitation over the Wainganga sub-basin (WSB) may occur probably due to a rising trend of temperature. Therefore, nature-based climate solutions are the best way to endure the condition.

IDW Method; Mann Kendall Test; Precipitation; Sens Slope; Spatial Trend; Temporal Trend

Copy the following to cite this article:

Thakur A, Mishra P. K, Nema A. K, Sahoo S. P. Spatiotemporal Pattern Assessment of Precipitation for the Wainganga Sub-Basin. Curr World Environ 2020;15(3). DOI:http://dx.doi.org/10.12944/CWE.15.3.15

Copy the following to cite this URL:

Thakur A, Mishra P. K, Nema A. K, Sahoo S. P. Spatiotemporal Pattern Assessment of Precipitation for the Wainganga Sub-Basin. Curr World Environ 2020;15(3). Available From: https://bit.ly/3fVGj99

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