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Meteorological Drought Analysis of Sabarmati Basin, India
Drought intensity and severity are significant in agriculture, especially in predicting irrigation needs. In the present study, the meteorological drought is analyzed district-wise by using the Standardized Precipitation Index (SPI) at various time scales for the semi-arid Sabarmati basin, India. Daily gridded precipitation information of spatial resolution 0.25° × 0.25° is collected from the Indian Meteorological Department (IMD), Pune. Monthly rainfall values of 14 districts of the basin for the years 1980–2019 are used to compute SPI-6 (June-Nov) and SPI-12 (June-May) using Drought Indices Calculator (DrinC) software for the analysis of meteorological drought. SPI values are classified as dry or wet, according to McKee et al. (Proceedings of the 8th Conference on Applied Climatology, pp. 179–183, 1993) classification. The observed drought years are 1983–84, 1985–86, 1986–87, 1987–88, 2000–01, 2002–03, and 2009–10. According to SPI results, the severely dry and extreme dry periods are reported in 1983–84, 1986–87, and 1987–88. The drought severity and drought intensity are extreme for most of the districts during the drought years 1987–1988 for SPI-6 and SPI-12. Such research would be useful for water resource management in the semi-arid river basins.
Meteorological Drought Analysis of Sabarmati Basin, India
Drought intensity and severity are significant in agriculture, especially in predicting irrigation needs. In the present study, the meteorological drought is analyzed district-wise by using the Standardized Precipitation Index (SPI) at various time scales for the semi-arid Sabarmati basin, India. Daily gridded precipitation information of spatial resolution 0.25° × 0.25° is collected from the Indian Meteorological Department (IMD), Pune. Monthly rainfall values of 14 districts of the basin for the years 1980–2019 are used to compute SPI-6 (June-Nov) and SPI-12 (June-May) using Drought Indices Calculator (DrinC) software for the analysis of meteorological drought. SPI values are classified as dry or wet, according to McKee et al. (Proceedings of the 8th Conference on Applied Climatology, pp. 179–183, 1993) classification. The observed drought years are 1983–84, 1985–86, 1986–87, 1987–88, 2000–01, 2002–03, and 2009–10. According to SPI results, the severely dry and extreme dry periods are reported in 1983–84, 1986–87, and 1987–88. The drought severity and drought intensity are extreme for most of the districts during the drought years 1987–1988 for SPI-6 and SPI-12. Such research would be useful for water resource management in the semi-arid river basins.
Meteorological Drought Analysis of Sabarmati Basin, India
Lecture Notes in Civil Engineering
Timbadiya, P. V. (editor) / Patel, P. L. (editor) / Singh, Vijay P. (editor) / Sharma, Priyank J. (editor) / Priya, Jakka Sai (author) / Aedla, Madhu Priya (author) / Ravi, Theertha (author) / Patel, P. L. (author) / Sharma, Alka (author)
International Conference on Hydraulics, Water Resources and Coastal Engineering ; 2021
2023-05-01
12 pages
Article/Chapter (Book)
Electronic Resource
English
Meteorological Drought Analysis of Sabarmati Basin, India
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