نتایج جستجو برای: saturated zone
تعداد نتایج: 143897 فیلتر نتایج به سال:
The Heart of Mersey cardiovascular disease prevention programme in the UK Launched in 2003, following a visit to Finland, the Heart of Mersey (HoM) cardiovascular disease (CVD) prevention programme aims to improve the health of the local population through structural changes at regional, national and European level.(1) Based on the evidence (ie raised blood cholesterol and blood pressure, and t...
[1] Sulfate, nitrate, and chloride are major water-soluble anions in soils of the McMurdo Dry Valleys (MDV), Antarctica. We measured the chloride stable isotope composition of 40 soil samples from 16 different soil profiles. The soil profiles come from three different microclimate zones in the MDV: a coastal thaw zone, which fosters a seasonally saturated active layer; a stable upland zone, in ...
We present a model for water uptake by plant roots from unsaturated soil. The model includes the simultaneous flow of water inside the root network and in the soil. It is constructed by considering first the water uptake by a single root, and then using the parameterized results thereby obtained to build a model for water uptake by the developing root network. We focus our model on annual plant...
abstract saturated water content is one of the important parameters which its measurement is necessary in estimation of soil water retention and unsaturated hydraulic conductivity curves. in several researches, saturated water content is assumed to be equal to soil total porosity. in some others, its value is estimated by pedotransfer functions using readily available parameters, such as bulk d...
سازند آسماری مهم ترین سنگ مخزن نفتی مخازن زاگرس، بویژه در فرو افتادگی دزفول می باشد. این سازند در میدان کوپال عمدتاً از رخساره های سنگ آهکی دانه غالب بایوکلستی (فرامینیفری- جلبکی) تشکیل شده است. لیتولوژی های موجود شامل سنگ آهک، سنگ آهک دولومیتی، سنگ آهک حاوی تبخیری ها، دولومیت و تبخیری ها (مثل انیدریت و ژیپس) هستند. تحلیل های رخساره ای در چاه های شماره 6 ،40 و 4 این میدان، نشان می دهد که سازند آ...
[1] Experimental observations comparing two steep unchanneled valleys in the Oregon Coast Range, one intensively instrumented (CB1) and the other monitored for runoff but which produced a debris flow (CB2), shed light on the mechanisms of shallow flow in bedrock, its interaction with the vadose zone, and its role in generating landslides. Previous work at CB1 led to the proposal that during sto...
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