Meteorological drought trends

Drought is universally acknowledged as a phenomenon associated with scarcity of water. The Standardized Precipitation Index (SPI) expresses the actual rainfall as standardized departure from rainfall probability distribution function. In this study severity and spatial pattern of meteorological drought was analyzed in the Anantapuramu District, Andhra Pradesh, India using multi-temporal SPI.

9p cothumenhmong5 17-05-2020 11 1   Download

This article presents the results of detecting the trend of drought conditions in the South-Central region based on the past observation and bias-correction rainfall projections. The past observation of daily rainfall is updated up to 2017 and collected from Vietnam Meteorological and Hydrological Administration. The bias-correction daily rainfall projections are collected from Vietnam Institute of Meteorology, Hydrology and Climate change (IMHEN) during the periods of 1986 - 2005, 2016 - 2035, 2036 - 2065 and 2080 - 2099 according to both RCP4.5 and RCP8.5 scenarios.

10p quenchua5 14-05-2020 20 0   Download

Drought is an abnormal condition resulting due to a decrease in rainfall. The occurrence of drought is unpredictable and causes unprecedented damage to the production of crop and livelihood. The present study has been conducted to assess the meteorological drought situation in Ujjain district using Effective Drought Index (EDI). For assessment six rain gauge station situated in the study area is selected. Out of which station namely Barnagar, Ghatiya and Tarana have maximum extreme drought event with 8, 7, and 3 respectively.

9p quenchua2 18-12-2019 13 0   Download

Monthly rainfall data given by surface meteorological observations during the period 1961-2007 in Central Vietnam is used to calculate drought indices. Results show that drought conditions slightly increase in North Central Vietnam but decrease in South Central and Highland Central Vietnam. Significant drought periods often occur from January to March. The percentage of dry years during the period 1961-2007 is larger than that in the reference period of 1961-1990 in North Central while smaller in South Central and almost similar to that in Highland Central Vietnam.

7p dem_thanh 22-12-2012 52 4   Download