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Ramdurg, Hanumanthappa
- Weekly Rainfall Variability and Probability Analysis for Resource Planning at Hadagali, Karnataka
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Authors
Hanumanthappa Ramdurg
1,
G. V. Srinivasa Reddy,
1,
D. Krishnamurthy
2,
B. Maheshwara Babu
1,
M. Nemichandrappa
1
Affiliations
1 Department of Soil and Water Engineering, College of Agricultural Engineering, University of Agricultural Sciences, Raichur (karnataka), IN
2 University of Agricultural Sciences, Raichur (Karnataka), IN
1 Department of Soil and Water Engineering, College of Agricultural Engineering, University of Agricultural Sciences, Raichur (karnataka), IN
2 University of Agricultural Sciences, Raichur (Karnataka), IN
Source
International Journal of Agricultural Engineering, Vol 8, No 2 (2015), Pagination: 255-260Abstract
Daily rainfall data of 35 years (1978-2012) of Hadagali were used for weekly analysis to study the variability and the probability level of occurrence. The highest mean weekly rainfall (42.5 mm) was received during 39th SMW. The CV was less than 150 per cent during 22-33, 35 and 37-42nd SMW, indicated that the rainfall was consistent during those weeks. The rainfall analysis showed that the crop could be recommended under dry land during 22-33, 35 and 37-42nd SMW as the rainfall was more consistent during these periods as compared to 18st to 21st SMW, which also fell under south west monsoon period. The study indicated that rainfall amount of more than 20 mm of rainfall could be expected during 38-40th SMW with 50 per cent probability, which hints for rain water harvesting.Keywords
Daily Rainfall, Co-Efficient of Variation, Standard Meteorological Weeks, Variability, Probability.
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