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Impact of the Al-Qara mountain fogwater forest on groundwater recharge in the Salalah coastal aquifer, Sultanate of Oman
KTH, School of Architecture and the Built Environment (ABE), Land and Water Resources Engineering.
2007 (English)In: Ecohydrology and Hydrobiology, ISSN 1642-3593, Vol. 7, no 1, 37-49 p.Article in journal (Refereed) Published
Abstract [en]

This study demonstrates the link between the experimental work in Jabal AlQara fogwater forest on horizontal precipitation and groundwater recharge to the Salalah coastal plain aquifer. The future impact of the forest continuous deterioration on the aquifer WAS investigated by simulation modeling. The results of the fieldwork show that measured horizontal precipitations (interaction between trees and fogwater) are considerably higher than measured vertical precipitations (rainfall) during the wet monsoon season. Simulation modeling of the impact of reduction in groundwater recharge originating from the mountain indicated that the reduction of the tree cover would result in a significant impact on the aquifer sustainability. It is recommended that recent government efforts to maintain the fogwater forest by reducing the population of camels and trees planting be continued and strengthened.

Place, publisher, year, edition, pages
2007. Vol. 7, no 1, 37-49 p.
Keyword [en]
Camels browsing; Dhofar Mountains; Fogwater forest; Horizontal precipitation; Oman; coastal aquifer; fog; forest; groundwater flow; hydrological response; precipitation (climatology); recharge; simulation; sustainability
National Category
Water Engineering
Identifiers
URN: urn:nbn:se:kth:diva-7148Scopus ID: 2-s2.0-35748963824OAI: oai:DiVA.org:kth-7148DiVA: diva2:12069
Note
QC 20100818Available from: 2007-05-20 Created: 2007-05-20 Last updated: 2010-08-18Bibliographically approved
In thesis
1. Sustainable management of the Salalah coastal aquifer in Oman using an integrated approach
Open this publication in new window or tab >>Sustainable management of the Salalah coastal aquifer in Oman using an integrated approach
2007 (English)Doctoral thesis, comprehensive summary (Other scientific)
Abstract [en]

Most of the coastal areas around the globe depend on coastal aquifers vulnerable to salt water intrusion. The Salalah plain in southern Oman is underlain by a shallow limestone aquifer extending north up to the foot of the Jabal AlQara which reach a height of about 1000 m. A major part of the recharge to the aquifer is through fog condensation on the forest on the upper slopes of the mountain. Increasing population and water use for agriculture has caused limited salt-water intrusion. There is an urgent need for management of the aquifer to avoid further intrusion. A numerical flow model was developed for the Salalah coastal aquifer using both the MODFLOW and the MT3DMS computer codes to study the present water flow and future water turnover, the latter under different scenarios. The fog collecting forest is under threat due to the browsing of herds of camels. Recharge of treated wastewater is a management measure already in operation. Other management options considered, are restrictions on the use of water in irrigation and improvements in irrigation practices. Still another measure is reforestation of Jabal AlQara.

Place, publisher, year, edition, pages
Stockholm: KTH, 2007. xii, 22 p.
Series
Trita-LWR. PHD, ISSN 1650-8602 ; 2007:1031
Keyword
groundwater, cosatal aquifer, salt water instrusion, fog, modelling
National Category
Water Engineering
Identifiers
urn:nbn:se:kth:diva-4384 (URN)978-91-7178-645-6 (ISBN)
Public defence
2007-05-29, V1, KTH, Teknikringen 76, Stockholm, 10:15
Opponent
Supervisors
Note
QC 20100817Available from: 2007-05-20 Created: 2007-05-20 Last updated: 2010-08-18Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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Output format
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