نتایج جستجو برای: intermittent stream
تعداد نتایج: 93391 فیلتر نتایج به سال:
Abstract Intermittent streams that periodically cease surface flow have long been understudied in ecology and underrepresented conservation policy. However, they currently account for 30–50% of the global river network, number is rising due to anthropogenic water extraction, land-use change, climate change. We explored Coleoptera biodiversity south Pacific coast region British Columbia, Canada,...
Abstract With climate change, streams and rivers are at increased risk of droughts flow intermittency. The full implications these conditions for fluvial carbon (C) processing stream-atmosphere CO 2 emissions not well understood. We performed a controlled drought experiment in outdoor hyporheic flumes. simulated small rain events that increase sediment moisture content, but do cause streamflow ...
Objective: Currently, the evaluation of baseflow components have been of a worldwide concern due to the influential role of streamflow (base flow and direct flow)in agriculture, water sources management as well as supplying the potable water. Direct and field measurement of baseflow is not practicable especially in large areas with statistics deficiencies. Also, this would not be economically e...
In arid and semi-arid stream-dominated systems, the temporal variability in groundwater recharge has not been widely addressed. Various questions remain about sources of recharge, its patterns, appropriate measuring techniques. Hence, main objective present study was to assess changes that might affect pattern under wetter than normal surface water availability. Therefore, depth monitored near ...
football participation requires considerable utilization of both aerobic and anaerobic energy systems to match the high energetic demands of the sport. the consequent stresses imposed on the physiological and metabolic systems carries players to the threshold of exhaustion during match-play, from which they are required to recover in preparation for the subsequent game. a high number of players...
labor pain is one of the most tiresome types of pain. so human has been seeking to allay this pain until now. administration of a suitable agent such as entonox during labor is very beneficial for childbirth outcomes. entonox can be administered in two ways: intermittently and continuously. the aim of this study is to demonstrate whether continuous method is as safe as intermittent method? this...
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