Eutrophication control in river-systems: an application of INCA-P to the River Lugg
نویسندگان
چکیده
منابع مشابه
Modelling nitrogen dynamics and distributions in the River Tweed, Scotland: an application of the INCA model
The INCA (Integrated Nitrogen in Catchments) model was applied to the River Tweed in the Scottish Borders, a large-scale (4400km2), spatially heterogeneous catchment, draining a wide range of agricultural land-use types, and which contributes approximately 20% of UK river flows to the North Sea. The model was calibrated for the first four years’ data record (1994 to 1997) and tested over the fo...
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چکیده با توسعه شهر نشینی و دخل و تصرف غیر مجاز در حریم رودخانه ها خسارات زیادی به رودخانه و محیط زیست اطراف آن وارده می شود. در حال حاضر بر اساس آئین نامه اصلاح شده بستر و حریم رودخانه ها، حریم کمی رودخانه که بلافاصله پس از بستر قرار می گیرد از 1 تا20 متر از منتهی الیه طرفین بستر رودخانه تعیین، که مقدار دقیق آن در هر بازه از رودخانه مشخص نیست. در کشورهای دیگر روشهای متفاوتی من جمله: درصد ریسک...
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Natural and man induced nutrient loads affect the functioning of freshwater ecosystems and restrict various water uses. In particular, internal pollution by nutrient remobilisation from sediment plays an important role in shallow water bodies. A sustainable management of such freshwater ecosystems can be achieved by using simulation models. To forecast the eutrophication process of a shallow ri...
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in the area of automotive engineering there is a tendency to more electrification of power train. in this work control of an induction machine for the application of electric vehicle is investigated. through the changing operating point of the machine, adapting the rotor magnetization current seems to be useful to increase the machines efficiency. in the literature there are many approaches wh...
15 صفحه اولTop-down control from the bottom: Regulation of eutrophication in a large river by benthic grazing
We use a 15-yr record from a 100-km stretch of the tidal, freshwater Hudson River to examine the controls of phytoplankton biomass. Across years, seasonal mean chlorophyll a (Chl a) and maximum Chl a varied by approximately 15-fold, with mean growing-season Chl a as high as 24 mg L21 and maximum Chl a as high as 120 mg L21. For 3 of the 15 yr the river would be classified as eutrophic on the ba...
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ژورنال
عنوان ژورنال: Hydrology and Earth System Sciences
سال: 2007
ISSN: 1607-7938
DOI: 10.5194/hess-11-584-2007