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Showing 1 results for Etm

Kazem Ali Abadi, , , , ,
Volume 2, Issue 4 (10-2014)
Abstract

The purpose of this research is to identify  the structural lineaments of north mountains of Sabzevar which is known as the mountains Chaghatay and its impact on the underground water resources of the region. Lineaments are often superficial cracks in the ground and play an important role in feeding the underground aquifers. Using satellite imagery and digital elevation model (DEM) with knowledge of geology is an appropriate tool to evaluate the mining fractures that its application is extremely popular in the last decade. In this study, geological maps 1: 100000  of region and Landsat satellite imagery sensors, ETM collected in the study area and with the help of software ENVI5 and ARC / MAP after geometric corrections, by process Newton polynomial using MATLAB software have extracted  tectonic and structural lineaments. Then to communicate lineaments and the groundwater resources , with overlapping layers of hydrography such as springs, wells and surface we have observed that there is a close relationship between the lineament fault and underground water resources. Due to the lithology region is the combination of limestone and ophiolite melange and limestone radiolarites , lineaments role felt more particularly faults in underground aquifers feeding in the downstream area. most springs area is of fault type which appeared due to new tectonic movements and kept in good condition on the alluvial fan and plain water table downstream. Studies show that due to the movements of the faults in Quaternary alluvial deposits have been affected, and by alluvial fan fed  in downstream have contributed by water penetration and output it via springs and wells and other water sources. So that the total number of 183 Qanats with over 558 km of lengh, about 800 deep and semi-deep wells in the area, Its output water indebted tectonic lineaments and particular circumstances of hydrological and lithological in the upstream areas.



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ژئوموروفولوژی کاربردی ایران Applied Geomorphology of Iran
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