Isotope Evidence of Rainfall and Groundwater for Tracing Recharge Areas in Kaeng Khoi District, Saraburi Province, Thailand

This study was conducted in the districts of Kaeng Khoi and Muang, located in the center of Saraburi province, Central Thailand. The purpose was to use a stable isotope technique to identify recharge areas where rainfall infiltrates. Analysis of stable isotopes in groundwater, surface water and rai...

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Main Authors: Wanlapa Wisittammasri, Srilert Chotpantarat
Format: Article
Language:English
Published: Environmental Research Institute, Chulalongkorn University 2016-11-01
Series:Applied Environmental Research
Subjects:
Online Access:https://ph01.tci-thaijo.org/index.php/saujournalst/www.tci-thaijo.org/index.php/aer/article/view/72019
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author Wanlapa Wisittammasri
Srilert Chotpantarat
author_facet Wanlapa Wisittammasri
Srilert Chotpantarat
author_sort Wanlapa Wisittammasri
collection DOAJ
description This study was conducted in the districts of Kaeng Khoi and Muang, located in the center of Saraburi province, Central Thailand. The purpose was to use a stable isotope technique to identify recharge areas where rainfall infiltrates. Analysis of stable isotopes in groundwater, surface water and rainwater were conducted in September 2014. Isotope compositions of groundwater were found to have δD values that ranged from -37.55‰ to -48.04‰ while δ18O values ranged from -5.30‰ to -7.34‰. The Local Meteoric Water Line (LMWL) in the study area was indistinguishable from the Bangkok Local Meteoric Water Line (BKK LMWL), and the stable isotope values of rainwater in area were more depleted than BKK LMWL. The isotope compositions of surface water revealed that the effect of evaporation could divide the groundwater into two groups, with the first group locally receiving rainfall and the second group interacting directly with surface water. Therefore, care must be taken to prevent groundwater contamination in the latter group due to polluted surface water caused by human activities.
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spelling doaj.art-b44e8b6f173e49398049c567d3cb40082022-12-22T03:46:48ZengEnvironmental Research Institute, Chulalongkorn UniversityApplied Environmental Research2287-07412287-075X2016-11-01383Isotope Evidence of Rainfall and Groundwater for Tracing Recharge Areas in Kaeng Khoi District, Saraburi Province, ThailandWanlapa Wisittammasri0Srilert Chotpantarat1Faculty of Science, Chulalongkorn University, Bangkok, ThailandFaculty of Science, Chulalongkorn University, Bangkok, Thailand This study was conducted in the districts of Kaeng Khoi and Muang, located in the center of Saraburi province, Central Thailand. The purpose was to use a stable isotope technique to identify recharge areas where rainfall infiltrates. Analysis of stable isotopes in groundwater, surface water and rainwater were conducted in September 2014. Isotope compositions of groundwater were found to have δD values that ranged from -37.55‰ to -48.04‰ while δ18O values ranged from -5.30‰ to -7.34‰. The Local Meteoric Water Line (LMWL) in the study area was indistinguishable from the Bangkok Local Meteoric Water Line (BKK LMWL), and the stable isotope values of rainwater in area were more depleted than BKK LMWL. The isotope compositions of surface water revealed that the effect of evaporation could divide the groundwater into two groups, with the first group locally receiving rainfall and the second group interacting directly with surface water. Therefore, care must be taken to prevent groundwater contamination in the latter group due to polluted surface water caused by human activities. https://ph01.tci-thaijo.org/index.php/saujournalst/www.tci-thaijo.org/index.php/aer/article/view/72019GroundwaterKaeng Khoi DistrictRechargeStable isotope
spellingShingle Wanlapa Wisittammasri
Srilert Chotpantarat
Isotope Evidence of Rainfall and Groundwater for Tracing Recharge Areas in Kaeng Khoi District, Saraburi Province, Thailand
Applied Environmental Research
Groundwater
Kaeng Khoi District
Recharge
Stable isotope
title Isotope Evidence of Rainfall and Groundwater for Tracing Recharge Areas in Kaeng Khoi District, Saraburi Province, Thailand
title_full Isotope Evidence of Rainfall and Groundwater for Tracing Recharge Areas in Kaeng Khoi District, Saraburi Province, Thailand
title_fullStr Isotope Evidence of Rainfall and Groundwater for Tracing Recharge Areas in Kaeng Khoi District, Saraburi Province, Thailand
title_full_unstemmed Isotope Evidence of Rainfall and Groundwater for Tracing Recharge Areas in Kaeng Khoi District, Saraburi Province, Thailand
title_short Isotope Evidence of Rainfall and Groundwater for Tracing Recharge Areas in Kaeng Khoi District, Saraburi Province, Thailand
title_sort isotope evidence of rainfall and groundwater for tracing recharge areas in kaeng khoi district saraburi province thailand
topic Groundwater
Kaeng Khoi District
Recharge
Stable isotope
url https://ph01.tci-thaijo.org/index.php/saujournalst/www.tci-thaijo.org/index.php/aer/article/view/72019
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AT srilertchotpantarat isotopeevidenceofrainfallandgroundwaterfortracingrechargeareasinkaengkhoidistrictsaraburiprovincethailand