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Microbial pollution of surface waters in agricultural catchments can be a consequence of poor farm management practices, such as excessive stocking of livestock on vulnerable land or inappropriate handling of manures and slurries. Catchment interventions such as fencing of watercourses, stream side buffer strips and constructed wetlands have the potential to reduce faecal pollution of watercourses. However these interventions are expensive and occupy valuable productive land. There is, therefore, a requirement for tools to assist in the spatial targeting of such interventions to areas where they will have the biggest impact on water quality improvements whist occupying the minimal amount of productive land. SCIMAP is a risk-based model that has  purpose but with a focus on diffuse sediment and nutrient pollution been developed for this

In this study we investigated the performance of SCIMAP in predicting microbial pollution of watercourses and assessed modelled outputs of E. coli, a common faecal indicator organism (FIO), against observed water quality information. SCIMAP was applied to two river catchments in the UK. SCIMAP uses land cover riskweightings, which are routed through the landscape based on hydrological connectivity to generate catchment scale maps of relative in-stream pollution risk. Assessment of the model's performance and derivation of optimum land cover risk weightings was achieved using a Monte-Carlo sampling approach. Performance of the SCIMAP framework for informing on FIO risk was variable with better performance in the Yealm catchment .

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کنگره بین المللی عمران، معماری و مدیریت پروژه و ساخت

on شنبه, 04 دی 1395
کنگره بین المللی عمران، معماری و مدیریت پروژه و ساخت

کنگره بین المللی عمران، معماری و مدیریت پروژه و ساخت زمان : اردیبهشت 1396 مکان : بندر عباس آدرس: http://pmbconf.com/

...Experimental Investigation on Large-scale Slender

on شنبه, 02 -2667

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بهبود شکل پذیری و رفتار چرخه ای مهاربند شکافدار با استفاده از نبشی فولادی

on شنبه, 02 -2667

بهبود شکل پذیری و رفتار چرخه ای مهاربند شکافدار با استفاده از نبشی فولادی Download

تاثیر سخت کننده جان تیر بر رفتار اتصال تیر فولادی...

on جمعه, 20 آذر 774

تاثیر سخت کننده جان تیر بر رفتار اتصال تیر فولادی Download