نتایج جستجو برای: drought management

تعداد نتایج: 880686  

ژورنال: علوم آب و خاک 2020

Drought, as one of the most complicated natural events, causes many direct and indirect damages each year. Hence, single variable identification and monitoring of drought may not be appropriate enough for decision-making and management. In this study, in order to monitor the meteorological-agricultural drought in Chaharmahal and Bakhtiari province, Multivariate Standardized Drought Index (MSDI)...

Introduction Drought as one of the most dangerous natural disaster, a wide range of climates and ecosystems, impact and threat to households and communities that depend for livelihood is agriculture. The consequences of the drought could lead to instability rural livelihoods. Dolatabad district in the central city of Jiroft in Kerman province, including rural areas, the incidence of consecutive...

Journal: :Agronomy for Sustainable Development 2009

Journal: :Natural Hazards and Earth System Sciences 2008

Drought is one of the most complex natural hazards that affect natural systems and different parts of an ecosystem in various ways. Evaluation of drought behavior such as determining the time of its occurrence, understanding the relationships between types of drought, and recognizing its characteristics such as magnitude, severity, and duration of drought periods can be an important aid in wate...

INTRODUCTION Hydrologic drought in the sense of deficient river flow is defined as the periods that river flow does not meet the needs of planned programs for system management. Drought is generally considered as periods with insignificant precipitation, soil moisture and water resources for sustaining and supplying the socioeconomic activities of a region. Thus, it is difficult to give a univ...

Journal: :اکو هیدرولوژی 0
فرخ اسدزاده استادیار گروه علوم خاک، دانشکدۀ کشاورزی، دانشگاه ارومیه مطلب بایزیدی استادیار گروه مهندسی آب دانشگاه آزاد اسلامی واحد سنندج مهری کاکی کارشناسی ارشد مهندسی منابع آب، دانشگاه تبریز

drought as a climatic phenomenon affected many different environmental issues and generally is associated with the decreasing in average precipitation. evaluation and monitoring of the drought is a fundamental step in proper programming of water resources management. regarding the recent conditions water scarcity in the urmia lake basin, assessment of the drought index in this region is inevita...

Journal: :Science 2011
D Layne Coppock Solomon Desta Seyoum Tezera Getachew Gebru

Poverty, drought, and hunger devastate people on Africa's rangelands. We used an action-oriented approach from 2000 to 2004 to build capacity among thousands of pastoralists to diversify livelihoods, improve living standards, and enhance livestock marketing. The process included collective action, microfinance, and participatory education. Poor women previously burdened by domestic chores becam...

2016
Harrison Hong Frank Weikai Li Jiangmin Xu

We investigate whether stock markets efficiently price risks brought on or exacerbated by climate change. We focus on drought, the most damaging natural disaster for crops and food-company cash flows. We show that prolonged drought in a country, measured by the Palmer Drought Severity Index (PDSI) from climate studies, forecasts both poor stock returns and profitability ratios for food companie...

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