نتایج جستجو برای: water shortage

تعداد نتایج: 563405  

Journal: :Australian and New Zealand journal of public health 2008
Lesley King Bridget Kelly Joey Ho Libby Hattersley

2012
P. Droogers W. W. Immerzeel W. Terink J. Hoogeveen M. F. P. Bierkens L. P. H. van Beek

Changes in water resources availability can be expected as consequences of climate change, population growth, economic development and environmental considerations. A two-stage modeling approach is used to explore the impact of these changes in the Middle East and North Africa (MENA) region. An advanced, physically based, distributed, hydrological model is applied to determine the internal and ...

Journal: :Natureza & Conservação 2015

Journal: :Australian and New Zealand Journal of Public Health 2008

2011
Hongyuan Fang Yi Cheng Songkai Yan

The mixed linear programming model is commonly recognized to be an effective means for searching optimal reservoir operation policy in water resources system. In this paper a multi-objective mixed integer linear programming model is set up to obtain the optimal operation policy of multi-reservoir water supply system during drought, which is able to consider the operation rule of reservoir-group...

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2010
Emily Black

Increasing population levels and demand for water have led to a global water shortage, with more than one billion people unable to access safe drinking water. The Middle East is particularly vulnerable to water stress because of its dense population, variable climate and vulnerable groundwater resources. In Jordan, for example, if current trends in population continue, the water per capita will...

Journal: :Journal of Environmental Conservation Engineering 1995

Journal: :desert 2013
h. mohammadi kangarani d. ghonchepour a. holisaz

a decrease in natural resources and their non-uniform distribution can affect social relationships between residents ofwatersheds, creating conflict and shifting groupings. the present study used the network analysis method to test thehypothesis that change in hydrologic parameters and water shortages in the village of tutang has led to the new groupingsin the social cooperation network of the ...

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