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Drought risk

Review on Drought Risk Assessment by using Remote Sensing and GIS

Review on Drought Risk Assessment by using Remote Sensing and GIS

... Assessment by using RS and GIS. Images can be taken from the NOAA-AVHRR OR LANDSAT 8 (TIRS) (8 km) standardized vegetation difference index (NDVI) and the meteorological derived uniform precipitation index (SPI) were ...

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Drought Risk and Maize Production in Southern Africa

Drought Risk and Maize Production in Southern Africa

... SSA, drought is a widespread phenomenon, with an estimated 22% of mid‐altitude/subtropical and 25% of lowland tropical maize growing regions affected annually due to inadequate water supply during the growing ...

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Drought Risk Assessment of Irrigation Project Areas in a River Basin

Drought Risk Assessment of Irrigation Project Areas in a River Basin

... determining drought hazard, consequences and risk in a river basin with irrigation project ...The drought risk is computed as product hazard and consequences in which vulnerability and ...

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Social capacities for drought risk management in Switzerland

Social capacities for drought risk management in Switzerland

... of drought risk management in Switzerland, we draw on different strands of literature from vulnerability studies, climate adaptation sciences and social-ecological re- silience research, where capacities ...

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DROUGHT RISK EFFECTS ON LIVELIHOODS OF RURAL COMMUNITIES IN CHIPINGE SOUTH, ZIMBABWE

DROUGHT RISK EFFECTS ON LIVELIHOODS OF RURAL COMMUNITIES IN CHIPINGE SOUTH, ZIMBABWE

... Close to 80% of the population of Zimbabwe lives in rural areas where they earn a living through subsistence mixed farming (4). During the former time of colonial rule, the government focused on developing urban areas ...

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Viability of weather index insurance in managing drought risk in Australia

Viability of weather index insurance in managing drought risk in Australia

... value. Drought relief is one method the government uses to assist farmers and is not without its own criticism as well (Meuwissen, Van Asseldonk & Huirne ...that drought assistance is subjective and ...

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Development of statistical and geospatial-based framework for drought-risk assessment

Development of statistical and geospatial-based framework for drought-risk assessment

... of drought properties may not be the same for every ...of drought properties in Iran and ...for drought modelling because the dependence between two variables in the upper tail of Clayton copula was ...

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Estimating drought risk across Europe from reported drought impacts, drought indices, and vulnerability factors

Estimating drought risk across Europe from reported drought impacts, drought indices, and vulnerability factors

... and risk assessment, on the other hand, use information on past drought impacts as a proxy for vulnerability, assuming that a system has been vulnerable if it has been ...impacted. Drought ...

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Developing drought impact functions for drought risk management

Developing drought impact functions for drought risk management

... to drought risk assessment presents many chal- lenges and has only recently begun to be addressed (Nau- mann et ...the drought hazard (abscissa in Fig. 1a)? Drought is known as a ...

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Drought Risk Assessment in the Kopel River Basin

Drought Risk Assessment in the Kopel River Basin

... The results of this study indicated that the Kopel river basin is highly vulnerable to drought risk. The analyses show that the trend of increas- ing temperature and high annual variation of pre- cipitation ...

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The drought risk of maize in the farming–pastoral ecotone in Northern China based on physical vulnerability assessment

The drought risk of maize in the farming–pastoral ecotone in Northern China based on physical vulnerability assessment

... extreme drought events caused by climate change have posed a great threat to food ...the drought risk of maize in the farming–pastoral ecotone in Northern China based on physical vulnerability ...

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Weather index insurance for managing drought risk in smallholder agriculture: lessons and policy implications for sub-Saharan Africa

Weather index insurance for managing drought risk in smallholder agriculture: lessons and policy implications for sub-Saharan Africa

... basis risk, an insurance product ...basis risk 5 and the high administrative costs including the need for better infrastructure and manpower to undertake yield samples across re- motely located farms (Rao ...

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Integration of Indigenous and Conventional Drought Prediction and Preparedness Techniques as a Drought Risk Reduction Strategy in Mbeere North Sub-County, Kenya

Integration of Indigenous and Conventional Drought Prediction and Preparedness Techniques as a Drought Risk Reduction Strategy in Mbeere North Sub-County, Kenya

... to drought disasters and seemingly poor coping strategies by the community were the major considerations in the choice of the Mbeere North Sub-County for the ...

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A Resilient drought risk management approach in the semiarid northeast Brazil

A Resilient drought risk management approach in the semiarid northeast Brazil

... Palmer Drought Severity Index ...(extreme drought), through zero (normal) to +4 (very humid Several authors (Alley, 1985; Guttman, 1991) demonstrated that the PDSI was not a good humid condition indicator, ...

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Risks in Vegetables Production from the Perspective of Smallholder Farmers: The Case of Kombolcha Woreda, Oromia Region, Ethiopia

Risks in Vegetables Production from the Perspective of Smallholder Farmers: The Case of Kombolcha Woreda, Oromia Region, Ethiopia

... yield/production risk is that its level can be influenced by the level of input use: while some inputs increase the level of yield risk, others will reduce it (Tveterås and Wan, ...as drought and ...

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Monitoring droughts in Eswatini: A spatiotemporal variability analysis using the Standard Precipitation Index

Monitoring droughts in Eswatini: A spatiotemporal variability analysis using the Standard Precipitation Index

... many drought indices were developed and used by meteorologists and climatologists around the ...meteorological drought index that countries should use to monitor and follow drought conditions (Hayes ...

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Assessment of drought characteristics for Dhasan basin in Bundelkhand region

Assessment of drought characteristics for Dhasan basin in Bundelkhand region

... the drought risk for an area. The various types of drought including the meteorological drought and groundwater drought have been analysed using the appropriate drought ...

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Risk identification of agricultural drought for sustainable Agroecosystems

Risk identification of agricultural drought for sustainable Agroecosystems

... Agricultural drought is described in terms of crop failure and exists when soil moisture is depleted so that crop yield is considerably ...quantitative risk assessment of agricul- tural drought ...

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Spatial and temporal appraisal of drought jeopardy over the Gangetic West Bengal, eastern India

Spatial and temporal appraisal of drought jeopardy over the Gangetic West Bengal, eastern India

... assess drought jeopardy at the regional scale, the present study deals with temporal trend and spatial pattern of drought during the last century over ...of drought intensity, duration, frequency ...

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Optimization on Water Resource System Operation Policy during Drought

Optimization on Water Resource System Operation Policy during Drought

... ing dry spring and autumn seasons, and the rainfalls within a year are not well-distributed in the system. Be- cause 70% of annual rainfall concentrates in the flood season, June-September, the situation that autumn ...

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