GEOSTATISTICAL ANALYSIS OF SCALING AND CORROSION POTENTIAL IN THE LORDEGAN AQUIFER

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OSTOVARI YASER; BEIGI HARCHEGANI HABIB ELAH; DAVOUDIAN ALIREZA

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Journal: JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY Year:2015 | Volume:17 | Issue:2 (65) Page(s): 45-60

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Title

GEOSTATISTICAL ANALYSIS OF SCALING AND CORROSION POTENTIAL IN THE LORDEGAN AQUIFER

Author(s)

OSTOVARI YASER | BEIGI HARCHEGANI HABIB ELAH | DAVOUDIAN ALIREZA | Issue Writer Certificate

Keywords

LANGELIER INDEXQ2

RYZNAR INDEXQ2

KRIGINGQ1

MAPPINGQ2

Abstract

Introduction: An important aspect of water quality is the potential for scaling and corrosion. The occurrence of either of these two phenomena can increase maintenance costs and shorten the lifespan of the water supply and distribution systems as well as impair water hygiene and aesthetics. Materials and methods: The main goals of this study were to evaluate the potential for corrosion and/or scaling of the groundwater of the Lordegan aquifer, and to map relevant indices. For this purpose, data from 32 wells, five qanats and five springs, all located in the Lordegan plain, were used to calculate Langelier saturation and Ryznar stability indices. KRIGING interpolation method was used to create maps of the stability indices.Results and Discussion: Based on the LANGELIER INDEX, 93 percent of samples had low to moderate potential for scaling and only 7 percent of the samples had high potential for scaling. Based on the RYZNAR INDEX, 6 percent of samples had less to moderate corrosion potential and 38 percent of the samples had a high potential for corrosion. In general, due to the presence of carbonatic geological formations, the scaling potential of this groundwater is dominant over its corrosion potential. Based on the LANGELIER INDEX, 76 percent of the Lordegan aquifer area (i.e. 4500 ha) has low scaling potential and based on the RYZNAR INDEX 84 percent of the Lordegan aquifer area (i.e. 5040 ha) has low to moderate corrosion potential. Overall, scaling or corrosion in drinking water and drip irrigation systems does not seem to be a significant problem. These results, however, only pertain to normal water temperature.

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APA: Copy

OSTOVARI, YASER, BEIGI HARCHEGANI, HABIB ELAH, & DAVOUDIAN, ALIREZA. (2015). GEOSTATISTICAL ANALYSIS OF SCALING AND CORROSION POTENTIAL IN THE LORDEGAN AQUIFER. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, 17(2 (65)), 45-60. SID. https://sid.ir/paper/87510/en

Vancouver: Copy

OSTOVARI YASER, BEIGI HARCHEGANI HABIB ELAH, DAVOUDIAN ALIREZA. GEOSTATISTICAL ANALYSIS OF SCALING AND CORROSION POTENTIAL IN THE LORDEGAN AQUIFER. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY[Internet]. 2015;17(2 (65)):45-60. Available from: https://sid.ir/paper/87510/en

IEEE: Copy

YASER OSTOVARI, HABIB ELAH BEIGI HARCHEGANI, and ALIREZA DAVOUDIAN, “GEOSTATISTICAL ANALYSIS OF SCALING AND CORROSION POTENTIAL IN THE LORDEGAN AQUIFER,” JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, vol. 17, no. 2 (65), pp. 45–60, 2015, [Online]. Available: https://sid.ir/paper/87510/en

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