Geomorphological Explanation of Karstic Drainage Sensitivity toward Anthropogenic Pollutants in Kardeh Catchment, NE Iran
International Journal of Environmental Protection and Policy
Volume 2, Issue 3, May 2014, Pages: 113-117
Received: May 7, 2014;
Accepted: May 12, 2014;
Published: May 20, 2014
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Mohammad Reza Mansouri Daneshvar, Department of Physical Geography, Mashhad Branch, Islamic Azad University, Mashhad, Iran
Abolfazl Behniafar, Department of Physical Geography, Mashhad Branch, Islamic Azad University, Mashhad, Iran
Hadi Ghanbarzadeh, Department of Physical Geography, Mashhad Branch, Islamic Azad University, Mashhad, Iran
In the present study, we aimed to geomorphological explanation of karst features and their environmental sensitivity in Kardeh catchment in Kopet–Dagh mountainous zone, NE Iran. Environmental sensitivity of karst is well marked by anthropogenic pollutants and land degradation problems in regions such as Kopet–Dagh, where some tens of karstic landforms are present over the Jurassic lithology. Anthropogenic pollutants resulted in intense environmental degradation and changed the natural karstic drainage in the catchment. We faced with karstified drainage, which supplies a portion of drinking–water of Mashhad metropolitan area. In Kardeh catchment, three main sources of anthropogenic pollutants to karst drainage have been identified: agricultural impacts, waste water entrance in hydrologic system of karst and garbage burying on carbonate prone rocks. Based on the comparison of fertilizers consumption and wastes production in the catchment we observed that the sub–basins of Balghur (Bl), Kharkat (Kh) and Mareshk (Ma) sub–basins have the most anthropogenic pollutants, where the carbonate formations of Mozduran 1, 2 (>75% of surface area) have the most environmental sensitivity. As a general rule, the protection of the hydrologic system of karst and management of the carbonate catchment are geomorphological strategies in environmental planning.
Mohammad Reza Mansouri Daneshvar,
Geomorphological Explanation of Karstic Drainage Sensitivity toward Anthropogenic Pollutants in Kardeh Catchment, NE Iran, International Journal of Environmental Protection and Policy.
Vol. 2, No. 3,
2014, pp. 113-117.
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