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    Environmental effects of stone pits in Hatay (Turkey)
    (Elsevier Science Bv, 2011) Korkmaz, Huseyin; Cetin, Bayram; Ege, Ismail; Karatas, Atilla; Bom, Ahmet; Ozsahin, Emre
    Open pit operation type is generally preferred in mining operations due to its applicability on all operable exposed rock grounds, its minimum production loss and high production rate. Especially materials like marble, travertine, limestone, dolomite, calcite and granite are mainly mined by open pit mining. Mined materials are put through breaking, crushing and sifting processes in pit area or facilities established close by. Number of this type of open pit mines in our country has increased in recent years. Open stone pits in Hatay area in the scope of Group 1st, 2nd and 4th as defined in law and environmental problems arising in relation to these are covered in this study. At the first step, stone pit operations in the province were identified by using geology and topography maps, satellite images and field studies. Then, operation potentials and environmental problems arising in relation to these were determined by field studies and surveys and suggestions on solutions were introduced. In the abovementioned studies it is determined that there are up to 90 stone pit operations and businesses in the province area. Swift increase in the number of pits and businesses in last 15 years is noteworthy. Environmental Impact Assessment reports were issued for only 11 of the operations that applied for permits in this time period. Swift increase in the numbers of these pits and lack of concern for environment in their establishment have led to environmental problems caused by these pits; problems like dust, tremors and disruption of natural landscape. Detailed Environmental Impact Assessment reports have to be prepared and operations have to be inspected and carried out in accord with findings of these reports to decrease these problems. (C) 2011 Published by Elsevier Ltd. Selection and/or peer-review under responsibility of The 2nd International Geography Symposium-Mediterranean Environment
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    Soil erosion estimation in lower Asi river catchment using GIS
    (Elsevier Science Bv, 2014) Ozsahin, Emre; Atasoy, Ahmet
    Different methods are used to calculate the amount of erosion. Assessment of erosion factors through the use of spatial data integration is the most common method. Generally, RUSLE (3D) erosion model is preferred in the implementation of this method. Current study identified the erosion risk levels and distribution along with annual soil loss according to RUSLE (3D) erosion model in Lower Asi River Basin sample. Geographical Information Systems (GIS) and Remote Sensing (RS) methods and techniques were used in implementing the RUSLE model. Results of analysis show that the basin area experiences low (< - 5 t ha(-1) y(-1)) levels of erosion the most (1787.40 km(2) - 41.40 %) and very severe (150 - > t ha(-1) y(-1)) levels of erosion the least (154.75 km(2) - 3.58 %). Areas with high levels of erosion are the slope areas with high declivity. Total annual soil loss in the basin area was calculated to be 50.66 t ha(-1) y(-1) and average annual soil loss in the basin area was calculated to be 10.74 t ha(-1) y(-1). These values are lower than those of neighboring (Seyhan River) basin. (C) 2013 The Authors. Published by Elsevier Ltd.
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    Temporal changes of land use in Asi river delta (Hatay, Southern Turkey)
    (Triveni Enterprises, 2012) Korkmaz, Huseyin; Cetin, Bayram; Kuscu, Veysel; Ege, Ismail; Bom, Ahmet; Ozsahin, Emre; Karatas, Atilla
    Increasing non-ecological land use necessitates more efficient using and utilization of land by man. Therefore, in recent years studies on sustainable land use have gained momentum. In this study, temporal change in land use, mainly between years 1940 and 2010, in Asi river delta on Southern Turkey was covered. To this end, in addition to literature, topographical maps and satellite images from year 1940 and after were used. Also, data were collected through field studies and interviews. Collected data were evaluated from geographical viewpoint using Geographical information system (GIS) and Remote sensing (RS) methods. Unplanned settlement in delta has reached levels high enough to threaten agricultural fields. Especially, great tendency shown by Samandag city and the villages around it towards expanding into delta is an indicator of this threat. In addition, uncontrolled sand mining and touristic facilities on the coastline are also indicators of wrong land use. In future, direction of settlement to slopes around the delta rather than lowlands will be a much more ecological approach.