Abstract
The Standard precipitation index expresses the actual rainfall as a standardized departure with respect to rainfall probability distribution function and hence the index has gained importance in recent years as a potential job indicator permitting comparison across space and time. The computation of SPI requires long term data on precipitation.
 Droughts are hydro metrological events affecting vast regions and causing significant structural and non-structural damages. Drought predictions may prevent these type of adverse consequences to a significant extant.
 This work regarding the drought analysis by assessing the drought severity based on fluctuation in rainfall trend by standard precipitation index for Shivamogga district by 30years rainfall data from rain gauge reading of different station in different Taluk of Shivamogga district.
Highlights
Rainfall deficit for a location over certain period of time may lead to conditions of drought, draught affects the sustainability, water resources, economic status, agriculture and socioeconomic activities
This work regarding the drought analysis by assessing the drought severity based on fluctuation in rainfall trend by standard precipitation index for Shivamogga district by 30years rainfall data from rain gauge reading of different station in different Taluk of Shivamogga district
Standard Precipitation Index shows the probability of rainfall occurrence compared with climatologically rainfall over a 30-60years for a particular location
Summary
Rainfall deficit for a location over certain period of time may lead to conditions of drought, draught affects the sustainability, water resources, economic status, agriculture and socioeconomic activities. This work regarding the drought analysis by assessing the drought severity based on fluctuation in rainfall trend by standard precipitation index for Shivamogga district by 30years rainfall data from rain gauge reading of different station in different Taluk of Shivamogga district. FLUCTUATION IN RAINFALL TREND BY STANDARD PRECIPITATION INDEX FOR SHIVAMOGGA DISTRICT.” International Journal of Research - Granthaalayah, 5(4) RASM, 17-26.
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