Detecting and predicting the impact of land use changes on groundwater quality, a case study in Northern Kelantan, Malaysia

The conversions of forests and grass land to urban and farmland has exerted significant changes on terrestrial ecosystems. However, quantifying how these changes can affect the quality of water resources is still a challenge for hydrologists. Nitrate concentrations can be applied as an indicator to...

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Main Authors: Narany, Tahoora Sheikhy, Aris, Ahmad Zaharin, Sefie, Anuar, Keesstra, Saskia
Format: Article
Language:English
Published: Elsevier 2017
Online Access:http://psasir.upm.edu.my/id/eprint/61405/
http://psasir.upm.edu.my/id/eprint/61405/1/Detecting%20and%20predicting%20the%20impact%20of%20land%20use%20changes%20on%20groundwater%20quality.pdf
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author Narany, Tahoora Sheikhy
Aris, Ahmad Zaharin
Sefie, Anuar
Keesstra, Saskia
author_facet Narany, Tahoora Sheikhy
Aris, Ahmad Zaharin
Sefie, Anuar
Keesstra, Saskia
author_sort Narany, Tahoora Sheikhy
building UPM Institutional Repository
collection Online Access
description The conversions of forests and grass land to urban and farmland has exerted significant changes on terrestrial ecosystems. However, quantifying how these changes can affect the quality of water resources is still a challenge for hydrologists. Nitrate concentrations can be applied as an indicator to trace the link between land use changes and groundwater quality due to their solubility and easy transport from their source to the groundwater. In this study, 25 year records (from 1989 to 2014) of nitrate concentrations are applied to show the impact of land use changes on the quality of groundwater in Northern Kelantan, Malaysia, where large scale deforestation in recent decades has occurred. The results from the integration of time series analysis and geospatial modelling revealed that nitrate (NO3-N) concentrations significantly increased with approximately 8.1% and 3.89% annually in agricultural and residential wells, respectively, over 25 years. In 1989 only 1% of the total area had a nitrate value greater than 10 mg/L; and this value increased sharply to 48% by 2014. The significant increase in nitrate was only observed in a shallow aquifer with a 3.74% annual nitrate increase. Based on the result of the Autoregressive Integrated Moving Average (ARIMA) model the nitrate contamination is expected to continue to rise by about 2.64% and 3.9% annually until 2030 in agricultural and residential areas. The present study develops techniques for detecting and predicting the impact of land use changes on environmental parameters as an essential step in land and water resource management strategy development.
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spelling upm-614052018-05-22T01:18:47Z http://psasir.upm.edu.my/id/eprint/61405/ Detecting and predicting the impact of land use changes on groundwater quality, a case study in Northern Kelantan, Malaysia Narany, Tahoora Sheikhy Aris, Ahmad Zaharin Sefie, Anuar Keesstra, Saskia The conversions of forests and grass land to urban and farmland has exerted significant changes on terrestrial ecosystems. However, quantifying how these changes can affect the quality of water resources is still a challenge for hydrologists. Nitrate concentrations can be applied as an indicator to trace the link between land use changes and groundwater quality due to their solubility and easy transport from their source to the groundwater. In this study, 25 year records (from 1989 to 2014) of nitrate concentrations are applied to show the impact of land use changes on the quality of groundwater in Northern Kelantan, Malaysia, where large scale deforestation in recent decades has occurred. The results from the integration of time series analysis and geospatial modelling revealed that nitrate (NO3-N) concentrations significantly increased with approximately 8.1% and 3.89% annually in agricultural and residential wells, respectively, over 25 years. In 1989 only 1% of the total area had a nitrate value greater than 10 mg/L; and this value increased sharply to 48% by 2014. The significant increase in nitrate was only observed in a shallow aquifer with a 3.74% annual nitrate increase. Based on the result of the Autoregressive Integrated Moving Average (ARIMA) model the nitrate contamination is expected to continue to rise by about 2.64% and 3.9% annually until 2030 in agricultural and residential areas. The present study develops techniques for detecting and predicting the impact of land use changes on environmental parameters as an essential step in land and water resource management strategy development. Elsevier 2017-12 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/61405/1/Detecting%20and%20predicting%20the%20impact%20of%20land%20use%20changes%20on%20groundwater%20quality.pdf Narany, Tahoora Sheikhy and Aris, Ahmad Zaharin and Sefie, Anuar and Keesstra, Saskia (2017) Detecting and predicting the impact of land use changes on groundwater quality, a case study in Northern Kelantan, Malaysia. Science of The Total Environment, 599-600. 844 - 853. ISSN 0048-9697; ESSN: 1879-1026 https://www.sciencedirect.com/science/article/pii/S004896971731015X?via%3Dihub 10.1016/j.scitotenv.2017.04.171
spellingShingle Narany, Tahoora Sheikhy
Aris, Ahmad Zaharin
Sefie, Anuar
Keesstra, Saskia
Detecting and predicting the impact of land use changes on groundwater quality, a case study in Northern Kelantan, Malaysia
title Detecting and predicting the impact of land use changes on groundwater quality, a case study in Northern Kelantan, Malaysia
title_full Detecting and predicting the impact of land use changes on groundwater quality, a case study in Northern Kelantan, Malaysia
title_fullStr Detecting and predicting the impact of land use changes on groundwater quality, a case study in Northern Kelantan, Malaysia
title_full_unstemmed Detecting and predicting the impact of land use changes on groundwater quality, a case study in Northern Kelantan, Malaysia
title_short Detecting and predicting the impact of land use changes on groundwater quality, a case study in Northern Kelantan, Malaysia
title_sort detecting and predicting the impact of land use changes on groundwater quality, a case study in northern kelantan, malaysia
url http://psasir.upm.edu.my/id/eprint/61405/
http://psasir.upm.edu.my/id/eprint/61405/
http://psasir.upm.edu.my/id/eprint/61405/
http://psasir.upm.edu.my/id/eprint/61405/1/Detecting%20and%20predicting%20the%20impact%20of%20land%20use%20changes%20on%20groundwater%20quality.pdf