Vadose Zone Monitoring as a Key to Groundwater Protection
Currently, monitoring programs designed for groundwater protection are mainly based on information from observation wells. This, however, creates a paradox, since identification of pollution in well water is clear evidence that the groundwater is already polluted. The poor state of contaminated aqui...
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Format: | Article |
Language: | English |
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Frontiers Media S.A.
2020-12-01
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Series: | Frontiers in Water |
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Online Access: | https://www.frontiersin.org/articles/10.3389/frwa.2020.599569/full |
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author | Ofer Dahan |
author_facet | Ofer Dahan |
author_sort | Ofer Dahan |
collection | DOAJ |
description | Currently, monitoring programs designed for groundwater protection are mainly based on information from observation wells. This, however, creates a paradox, since identification of pollution in well water is clear evidence that the groundwater is already polluted. The poor state of contaminated aquifers all over the world, and the inability, in practice, to fully remediate contaminated aquifers suggest that groundwater monitoring alone has failed to provide the vital information required to prevent groundwater pollution. That said, groundwater pollution initiates on the land surface, and the contaminants have to traverse the unsaturated zone, long before reaching the water table. Therefore, monitoring programs that can provide real-time information on the hydraulic and chemical state of the unsaturated zone are essential for achieving early warnings of pollution potential and providing imperative protection from pollution hazards. Currently, most of the commercially available monitoring technologies are rather limited in their capability to provide early alerts of pollution processes taking place deep in the unsaturated zone, above the water table. Accordingly, monitoring technologies for the unsaturated zone have to be engineered as “off-the-shelf” commercial products, made available for application by practitioners in all fields of hydrology. From scientific and technological points of view, such ambitions are not out of reach. Yet they require an urgent call for a revolutionary shift in monitoring focus, from the groundwater itself to the unsaturated zone above it. |
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id | doaj.art-773c51607aaa4d36b671e165d78eee96 |
institution | Directory Open Access Journal |
issn | 2624-9375 |
language | English |
last_indexed | 2024-12-14T12:28:44Z |
publishDate | 2020-12-01 |
publisher | Frontiers Media S.A. |
record_format | Article |
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spelling | doaj.art-773c51607aaa4d36b671e165d78eee962022-12-21T23:01:15ZengFrontiers Media S.A.Frontiers in Water2624-93752020-12-01210.3389/frwa.2020.599569599569Vadose Zone Monitoring as a Key to Groundwater ProtectionOfer DahanCurrently, monitoring programs designed for groundwater protection are mainly based on information from observation wells. This, however, creates a paradox, since identification of pollution in well water is clear evidence that the groundwater is already polluted. The poor state of contaminated aquifers all over the world, and the inability, in practice, to fully remediate contaminated aquifers suggest that groundwater monitoring alone has failed to provide the vital information required to prevent groundwater pollution. That said, groundwater pollution initiates on the land surface, and the contaminants have to traverse the unsaturated zone, long before reaching the water table. Therefore, monitoring programs that can provide real-time information on the hydraulic and chemical state of the unsaturated zone are essential for achieving early warnings of pollution potential and providing imperative protection from pollution hazards. Currently, most of the commercially available monitoring technologies are rather limited in their capability to provide early alerts of pollution processes taking place deep in the unsaturated zone, above the water table. Accordingly, monitoring technologies for the unsaturated zone have to be engineered as “off-the-shelf” commercial products, made available for application by practitioners in all fields of hydrology. From scientific and technological points of view, such ambitions are not out of reach. Yet they require an urgent call for a revolutionary shift in monitoring focus, from the groundwater itself to the unsaturated zone above it.https://www.frontiersin.org/articles/10.3389/frwa.2020.599569/fullgroundwater pollutionunsaturated zonevadose zone monitoringearly warning on pollution eventscontaminant transport |
spellingShingle | Ofer Dahan Vadose Zone Monitoring as a Key to Groundwater Protection Frontiers in Water groundwater pollution unsaturated zone vadose zone monitoring early warning on pollution events contaminant transport |
title | Vadose Zone Monitoring as a Key to Groundwater Protection |
title_full | Vadose Zone Monitoring as a Key to Groundwater Protection |
title_fullStr | Vadose Zone Monitoring as a Key to Groundwater Protection |
title_full_unstemmed | Vadose Zone Monitoring as a Key to Groundwater Protection |
title_short | Vadose Zone Monitoring as a Key to Groundwater Protection |
title_sort | vadose zone monitoring as a key to groundwater protection |
topic | groundwater pollution unsaturated zone vadose zone monitoring early warning on pollution events contaminant transport |
url | https://www.frontiersin.org/articles/10.3389/frwa.2020.599569/full |
work_keys_str_mv | AT oferdahan vadosezonemonitoringasakeytogroundwaterprotection |