نتایج جستجو برای: whole system water management
تعداد نتایج: 3531192 فیلتر نتایج به سال:
Water scarcity causes production losses in arid and semi arid regions. In this condition, deficit irrigation is one of the most important methods to minimize effects of water shortage. This research was conducted to evaluate the effects of two kinds of irrigation management (deficit irrigation and partial rootzone drying technique) on some of physiological and phenological characteristics and w...
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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,...
a long-term field experiment was conducted for 7 years to evaluate the effect of different amendments to mitigate the adverse effect of saline-sodic water in a calcareous soil under cotton-wheat cropping system. the pooled results over 7 years revealed that the application of saline-sodic water decreased the mean cotton-seed yield by 20.7% as compared to good quality canal water. however, wheat...
gol-e-gohar iron ore mine of sirjan in southern part of iran is a large open pit that operates below the groundwater table and during mining operation, dewatering is required to prevent operation processes from flooding. current operation is going on by digging wells in or out of the pit and pumping to prevent flooding. as a result of the former dewatering operation a vast deep cone of depressi...
در سال های اخیر کشور ما شاهد پیشرفت های زیادی در موضوع کنترل و مدیریت منابع آب بوده و همزمان در جهان توسعه یافته با درک ارزش واقعی آب تحولات بسیار شگرفی در امر توسعه سیستم های اطلاعات مدیریت منابع آب و عمومی نمودن این مدیریت با مشارکت عموم مردم و انجمن های مسئول غیر دولتی در حال تکوین است. در این پایان نامه ابتدا بر اساس تحقیقات و تجربه فردی تحلیل چگونگی مدیریت انسان بر منابع آب در عرصه های تار...
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