Journal of Food, Agriculture and Environment

Determining the type and places of drainage structures on forest roads using remote sensing and GIS

Author(s):

Kayhan Menemencioğlu ^1*, Bayram Cemil Bilgili ², Alkan Günlü ¹

Recieved Date: 2013-01-18, Accepted Date: 2013-04-30

Abstract:

Forest roads are essential structures providing access to forest for various purposes. Effective road drainage is crucial to protect the road prism from damage and to keep the road surface stable for the road quality. The quality of the road is very substantial for forestry activities and it has been a major problem for Turkish forestry sector. In Turkey, forests and forest roads are mostly spread on mountainous and steep terrain with a dense river network and valleys. These conditions result in a large number of drainage structures at road-stream crossings like culverts and pipe culverts to drain waters from ditches, rainwater from slopes, bridges to cross rivers etc., which should carefully be designed, placed and constructed. The use of satellite data and GIS has increased in recent years for various studies related to forestry and we used landsat images and GIS to determine the type and places of drainage structures on forest roads in this study. Results obtained from this study have demonstrated that a total of 4 bridges, 138 culverts, 15 pipe culverts (80 cm diameter) and 7 pipe culverts (60 cm diameter) at road-stream crossings and 222 pipe culverts (60 cm diameter) to cross drain upslope ditch water are needed in the study area.

Keywords:

Culvert, drainage structures, forest roads, Talbot’s formula, landsat images, remote sensing, GIS

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Journal: Journal of Food, Agriculture and Environment
Year: 2013
Volume: 11
Issue: 2
Category: Environment
Pages: 1487-1491

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