نتایج جستجو برای: water management
تعداد نتایج: 1365048 فیلتر نتایج به سال:
Fresh water is an essential element for human survival and land-based life forms. Right quantity and quality of fresh water is a fundamental element for human continued existence and land-based life forms. About 97% of earth water is salt water and from remaining 3% only 0.4% fresh water is available for human use. Many countries of the world are facing problem of inadequate drinking water supp...
flow in natural river bends is a complex and turbulent phenomenon which affects the scour and sedimentations and causes an irregular bed topography on the bed. for the reason, the flow hydralics and the parameters which affect the flow to be studied and understand. in this study the effect of bed and wall roughness using the software fluent discussed in a sharp 90-degree flume bend with 40.3cm ...
The consistent growth of urban areas demands reflection on critical management issues such as water. The scientific literature suggests that large water problems occur as a result of lack of governance rather than physical scarcity (Pahl-Wostl, et al., 2012). It should also be recognized that government policies for water management and governance, particularly in developing countries, have lit...
Pricing policies play an important role in water demand management and its optimal allocation. Determining proper water price leads to optimal allocation of water especially in agricultural consumptions. Applying new subsidy targeting law in Iran which insists on pricing water based on its supply cost, will effects considerably on water resource management in agriculture sector. So, in this stu...
Coastal areas usually involves in several kinds of water use, such as agricultural, industrial, and drinking, which are needed to be considered as important in water management systems. There is a need to study the sustainable water resources management in different terms. A combined methodology, which considers the human activities, as well as environmental problems according to some criteria,...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید