عنوان مقاله The New Applications of High Resolution GIS Digital Terrain Analysis Tools (TOPMANGE) To Study the Management of Flow on Farms

نام نویسنده

Nasser Najibi, Mahmoud Reza Delavar

پست الکترونیکی

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دریافت مقاله

کلمات کلیدی مقاله :
Runoff Management, TOPMANGE, Terrain analysis, GIS

چکیده مقاله :
We know Runoff Management is a concept that involves understanding how flow is lost from farmers fields and how this can be changed for the purpose of pollution remediation and flood storage. In order to support this concept a software tool called TOPMANGE has been developed to simulate hydrological flow paths which include the effects of manmade features [1]. TOPMANGE is a high resolution GIS terrain analysis toolkit that allows the user to manipulate flows for the net benefit to the environment. This study involves a number of case studies looking at fields prone to overland flow lost and examples for fields dominated by subsurface flow and land drains. Man made features such as tramlines, tire tracks; land drains and ditches all control runoff [2]. These features can be altered to change the nature of the runoff on the farm, such as altering the cultivation direction. New landscape features such as ponds and new hedgerows can be used to simulate the effect of disconnecting polluting flows and increasing the buffering capacity of the land. Diffuse temporary storage ponds also offer opportunities to remediate flows, whilst still on the farm itself.