نتایج جستجو برای: standardized precipitation index (spi)

تعداد نتایج: 519315  

Journal: :آب و خاک 0
حسین انصاری کامران داوری سیدحسین ثنائی نژاد

abstract drought is a natural creeping event that starts due to lower moisture compared to normal condition. this phenomenon impacts all aspects of human activities. however there is neither any detailed definition nor a general and proper index for drought monitoring. in this study, fuzzy logic has been applied to deal with inherent uncertainties of the real world data. we presented a fuzzy mo...

Journal: :نشریه علمی - پژوهشی هیدرولوژی کاربردی 0
marzieh mokarram shiraz university ali rza mahmoodi shiraz university

aridity and drought are two inevitable occurrences of the climate change in the region. so, any kinds of planning and futurism, without regard to them, lead to failure. climate change cause drought phenomenon. the anomalies and irregularities in the precipitation mainly cause drought. fars province, one of the important centers of agriculture, population and industry in the country, with specif...

Journal: :international journal of advanced biological and biomedical research 2013
mahtab safari shad mohammad dashti marvili pezhman allahbakhshian farsani

the standardized precipitation index (spi) has become a popular measure of drought across the globe. in this study, standardized precipitation index (spi) was used in annual period of time to survey on drought. also, in order to zonation frequency of drought, geographic information system (gis) software and kriging method used for extracting dry areas. the zoning maps show most severe drought i...

Journal: :Успехи современного естествознания (Advances in Current Natural Sciences) 2021

Mahtab Safari Shad Mohammad Dashti Marvili Pezhman Allahbakhshian Farsani,

The Standardized Precipitation Index (SPI) has become a popular measure of drought across the globe. In this study, Standardized Precipitation Index (SPI) was used in annual period of time to survey on drought. Also, in order to zonation frequency of drought, geographic information system (GIS) software and Kriging method used for extracting dry areas. The zoning maps show most severe drought i...

Mahtab Safari Shad Mohammad Dashti Marvili Pezhman Allahbakhshian Farsani,

The Standardized Precipitation Index (SPI) has become a popular measure of drought across the globe. In this study, Standardized Precipitation Index (SPI) was used in annual period of time to survey on drought. Also, in order to zonation frequency of drought, geographic information system (GIS) software and Kriging method used for extracting dry areas. The zoning maps show most severe drought i...

Mahtab Safari Shad Mohammad Dashti Marvili Pezhman Allahbakhshian Farsani,

The Standardized Precipitation Index (SPI) has become a popular measure of drought across the globe. In this study, Standardized Precipitation Index (SPI) was used in annual period of time to survey on drought. Also, in order to zonation frequency of drought, geographic information system (GIS) software and Kriging method used for extracting dry areas. The zoning maps show most severe drought i...

Mahtab Safari Shad Mohammad Dashti Marvili Pezhman Allahbakhshian Farsani,

The Standardized Precipitation Index (SPI) has become a popular measure of drought across the globe. In this study, Standardized Precipitation Index (SPI) was used in annual period of time to survey on drought. Also, in order to zonation frequency of drought, geographic information system (GIS) software and Kriging method used for extracting dry areas. The zoning maps show most severe drought i...

2014
Moumita Palchaudhuri Sujata Biswas

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 Puruliya District, West Bengal, India using multi-temporal SPI. Daily gri...

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