GROUND WATER MODELING TO ESTIMATE NITRATE DISPERSION IN CRITICAL AQUIFERS (A CASE STUDY: MASHHAD CITY)

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BAGHVAND AKBAR; VOSOOGH ALI; GIVEHCHI SAEED; DARYABEIGI ZAND ALI

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Paper Information

Journal: JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY Year:2016 | Volume:17 | Issue:4 (67) Page(s): 1-22

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Title

GROUND WATER MODELING TO ESTIMATE NITRATE DISPERSION IN CRITICAL AQUIFERS (A CASE STUDY: MASHHAD CITY)

Author(s)

BAGHVAND AKBAR | VOSOOGH ALI | GIVEHCHI SAEED | DARYABEIGI ZAND ALI | Issue Writer Certificate

Keywords

AQUIFERQ2

MODEL BUILDINGQ2

VERIFICATIONQ1

CALIBRATIONQ1

FORECASTQ1

NITRATEQ2

Abstract

At present, due to inefficient and incorrect management, most domestic AQUIFERs in Iran, particularly in dry regions, including the Mashhad plain, face lowering levels of lakes and ponds in water storage and are sometimes subject to various pollutants. In fact, a main and significant index which shows the AQUIFERs infections is that NITRATE is found in water. In this research, an attempt has been made to prepare a mathematical model for qualitative and quantitative value of the Mashhad plain AQUIFER. Consequently, the AQUIFER’s behavior is predicted and simulated based on NITRATE ion during the last twelve years.In order to develop a mathematical model for qualitative and quantitative value of Mashhad plain’s AQUIFER, meteorological, hydrological and hydro geological data and statistics were analyzed using Surfer Ver. 8 software, computer code Modflow 2000 and GMS processor. After CALIBRATION settings and VERIFICATION, this mathematical model is achieved.Results indicate that in the year 2022 the problematic issue of NITRATE infections will remain intact for most central and eastern parts of the Mashhad AQUIFER and its density in these regions varies from 10 to 90 mg. Based on this information, in most regions NITRATE density is more than the permitted amount (45 mg per liter) and the annual mean drop value for this AQUIFER (0.90 meter) shows its critical situation.The main reason for this AQUIFER’s pollution during recent years is non-standard waste gathering and sewage burying methods and combination with water wells, thus its penetration through these water wells into the AQUIFER.

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APA: Copy

BAGHVAND, AKBAR, VOSOOGH, ALI, GIVEHCHI, SAEED, & DARYABEIGI ZAND, ALI. (2016). GROUND WATER MODELING TO ESTIMATE NITRATE DISPERSION IN CRITICAL AQUIFERS (A CASE STUDY: MASHHAD CITY). JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, 17(4 (67)), 1-22. SID. https://sid.ir/paper/87175/en

Vancouver: Copy

BAGHVAND AKBAR, VOSOOGH ALI, GIVEHCHI SAEED, DARYABEIGI ZAND ALI. GROUND WATER MODELING TO ESTIMATE NITRATE DISPERSION IN CRITICAL AQUIFERS (A CASE STUDY: MASHHAD CITY). JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY[Internet]. 2016;17(4 (67)):1-22. Available from: https://sid.ir/paper/87175/en

IEEE: Copy

AKBAR BAGHVAND, ALI VOSOOGH, SAEED GIVEHCHI, and ALI DARYABEIGI ZAND, “GROUND WATER MODELING TO ESTIMATE NITRATE DISPERSION IN CRITICAL AQUIFERS (A CASE STUDY: MASHHAD CITY),” JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, vol. 17, no. 4 (67), pp. 1–22, 2016, [Online]. Available: https://sid.ir/paper/87175/en

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