• P-ISSN 0974-6846 E-ISSN 0974-5645

Indian Journal of Science and Technology


Indian Journal of Science and Technology

Year: 2020, Volume: 13, Issue: 43, Pages: 4417-4433

Original Article

An accurate and practical analysis for Neogene-marls in Central regions of Iran

Received Date:22 August 2020, Accepted Date:07 November 2020, Published Date:08 December 2020


Objectives: To study the erosion and erosion forms of soils resulting from marls and their relationship with soil losses in Qom and Tehran regions. Also to study about sediment production, identification and classification of various types of the erosion (sheet, groove, millennial or badland, ditch, etc.) on the marls. Methods: The study was conducted in two areas south of Varamin and south of Hassanabad in Iran; in order to compare different marl units in terms of sedimentation and erosion, first the appropriate marls units were determined for testing and then confirmed by the desert visit. Finally, 20 stations were identified for testing which are mentioned in this paper; As well, the dimensions of the surface of the device are 20 cm * 20 cm, by dividing the volume of precipitation by the surface, the intensity of precipitation can be calculated. In addition, the authors consider the time of the first excavated soil and the generator of runoff as the erosion threshold. Findings: In the previous works, did not mentioned to the properties of the mentioned regions in Iran (special parts of Qom and Tehran regions); Actually, there are a special semiarid type among Iran’s regions; so, this study is a new research in this field about Neogene-marls in central regions of Iran. As well as, maps produced with the most robust models in the paper can be a useful tool for sustainable management, watershed conservation, and the reduction of soil and water loss for the semi-arid other regions of Iran too. Novelty: This study determined the effective rainfall intensity of the unpublished research about Tehran and Qom regions, first the statistics with the current 30-year return period were examined and the 30-minute rainfall intensity of the region was 19 mm.

Keywords: Climatic effects; sediment; physical properties; SPSS; geology analysis


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© 2020 Bahrouji & Peyrowan.This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Published By Indian Society for Education and Environment (iSee)


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