FACTORS AFFECTING LAND AND WATER SALINIZATION IN SHOGHAN CATCHMENT

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MOHAMMADI A.; KAZEMI GH.A.

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Journal: JOURNAL OF PHYSICAL GEOGRAPHY Year:2012 | Volume:5 | Issue:15 Page(s): 85-96

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Title

FACTORS AFFECTING LAND AND WATER SALINIZATION IN SHOGHAN CATCHMENT

Author(s)

MOHAMMADI A. | KAZEMI GH.A. | Issue Writer Certificate

Keywords

DESERTQ2

EVAPORITIC DEPOSITSQ3

QUALITY OF GROUNDWATERQ2

SHOGHAN CATCHMENTQ2

Abstract

Shoghan catchment is one of the sub-catchments of the central Kavir, in North Khorasan Province which comprises extensive EVAPORITIC DEPOSITS in some parts. Given the importance of geological formation as one of the main factors affecting the DESERTification phenomenon, this research has been conducted by using geological map as well as GIS methodology to identify and evaluate primary and secondary DESERTs in the SHOGHAN CATCHMENT. In order to do this, first, the maps were digitized and then saline and evaporate formations were considered as primary DESERTs in the old times. After that, by overlying the drainage network map on the basic Quaternary formations map, the secondary DESERTs was determined in places where the Quaternary formations were contaminated by evaporates such as gypsum and salt. Because of the presence of salts in the secondary DESERTs, the groundwater quality of these areas is low. The use of saline waters for irrigation and over exploitation of the underlying aquifer has led to the deterioration of water and soil quality and expansion of the DESERT. Along this line of research, 31 water samples were collected from different parts of the aquifer in 2009 and were analyzed for chemical constituents. With these, hydro geochemistry of the area was studied and in addition to preparing the hydraulic conductivity distribution map, water samples data were plotted on Wilcox diagram. Result of this research shows that the QUALITY OF GROUNDWATER of the local aquifer is so low that it is not safe even for irrigation. In addition, use of this water will deteriorate the QUALITY OF GROUNDWATER even further and will lead to the expansion of DESERTs and soil codification from west to east in the western part of Shoghan plain.

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APA: Copy

MOHAMMADI, A., & KAZEMI, GH.A.. (2012). FACTORS AFFECTING LAND AND WATER SALINIZATION IN SHOGHAN CATCHMENT. JOURNAL OF PHYSICAL GEOGRAPHY, 5(15), 85-96. SID. https://sid.ir/paper/184949/en

Vancouver: Copy

MOHAMMADI A., KAZEMI GH.A.. FACTORS AFFECTING LAND AND WATER SALINIZATION IN SHOGHAN CATCHMENT. JOURNAL OF PHYSICAL GEOGRAPHY[Internet]. 2012;5(15):85-96. Available from: https://sid.ir/paper/184949/en

IEEE: Copy

A. MOHAMMADI, and GH.A. KAZEMI, “FACTORS AFFECTING LAND AND WATER SALINIZATION IN SHOGHAN CATCHMENT,” JOURNAL OF PHYSICAL GEOGRAPHY, vol. 5, no. 15, pp. 85–96, 2012, [Online]. Available: https://sid.ir/paper/184949/en

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