{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,23]],"date-time":"2026-03-23T17:46:26Z","timestamp":1774287986754,"version":"3.50.1"},"reference-count":76,"publisher":"MDPI AG","issue":"7","license":[{"start":{"date-parts":[[2023,3,27]],"date-time":"2023-03-27T00:00:00Z","timestamp":1679875200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"the Sultanate of Oman\u2019s Ministry of Higher Education Innovation and Research","award":["BFP\/RGP\/EBR\/22\/010"],"award-info":[{"award-number":["BFP\/RGP\/EBR\/22\/010"]}]},{"name":"the Sultanate of Oman\u2019s Ministry of Higher Education Innovation and Research","award":["ARU\/SOHCCS\/2016\/17\/1"],"award-info":[{"award-number":["ARU\/SOHCCS\/2016\/17\/1"]}]},{"name":"the Sultan Qaboos Higher Center for Culture and Science\u2014Diwan of the Royal Court","award":["BFP\/RGP\/EBR\/22\/010"],"award-info":[{"award-number":["BFP\/RGP\/EBR\/22\/010"]}]},{"name":"the Sultan Qaboos Higher Center for Culture and Science\u2014Diwan of the Royal Court","award":["ARU\/SOHCCS\/2016\/17\/1"],"award-info":[{"award-number":["ARU\/SOHCCS\/2016\/17\/1"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>The aflaj systems represent unique irrigation technologies that have been implemented in the Sultanate of Oman. This innovative system, referred to as \u201cfalaj\u201d in the singular form, is composed of a sophisticated network of underground tunnels and open-air channels designed to access shallow subterranean water tables, thereby providing water for residential and agricultural use. The aflaj systems have played a significant role in supporting sustainable water resource management in arid and semiarid regions, making a notable contribution to the socioeconomic development of the country. The alteration of land use and land cover (LULC) in arid and semiarid regions can have significant consequences for hydrological systems, affecting the ability of local ecosystems to manage fresh surface and groundwater resources. These changes are often caused by both natural and anthropogenic factors. To investigate the impact of LULC changes on aflaj systems in the northern part of Oman, we utilized satellite imagery, aflaj data, and spatial analytical and image processing techniques within the framework of geographic information systems (GIS) and remote sensing. In the first part of the study, we quantified the changes in LULC and their impact on aflaj systems in seven cities in Oman due to urban expansion. In the second part, we evaluated the effect of LULC on groundwater for four major aflaj between 1985 and 2021. The study area was divided into four primary LULC classifications: vegetation, bodies of water, metropolitan areas, and bare soil. The classification maps demonstrated a high overall accuracy of 90% to 95%, indicating satisfactory performance. Our results revealed a significant reduction in vegetation areas between 1985 and 2021, primarily shifting from bare soil (BS) to urban areas (UAs) and from vegetation cover (VC) to BS, due to the reduction of groundwater resources. Over the four study periods (1985\u20131990, 1990\u20132000, 2000\u20132013, and 2013\u20132021), the percentages of the total area of Falaj Al-Muyasser, Falaj Daris, Falaj Al-Maliki, and Falaj Al-Khatmeen that transformed from agricultural lands to UAs were 40%, 39%, 32%, and 8%, respectively. Our study highlights the need for appropriate land management and planning to ensure the most effective solutions are utilized to meet social and economic sustainability requirements. In conclusion, our study presents a comprehensive analysis of LULC changes and their impact on aflaj systems over a 36-year period, providing new insights into the potential effects of LULC changes on groundwater resources and offering a basis for informed decision making on land management in arid and semiarid areas.<\/jats:p>","DOI":"10.3390\/rs15071787","type":"journal-article","created":{"date-parts":[[2023,3,27]],"date-time":"2023-03-27T06:46:19Z","timestamp":1679899579000},"page":"1787","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Assessing the Impact of Land Use and Land Cover Changes on Aflaj Systems over a 36-Year Period"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9107-5566","authenticated-orcid":false,"given":"Khalifa M.","family":"Al-Kindi","sequence":"first","affiliation":[{"name":"UNESCO Chair of Aflaj Studies, Archaeohydrology, University of Nizwa, Nizwa P.O. Box 33, Oman"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0300-6494","authenticated-orcid":false,"given":"Abdullah F.","family":"Alqurashi","sequence":"additional","affiliation":[{"name":"Department of Geography, Umm Al-Qura University, Makkah 21955, Saudi Arabia"}]},{"given":"Abdullah","family":"Al-Ghafri","sequence":"additional","affiliation":[{"name":"UNESCO Chair of Aflaj Studies, Archaeohydrology, University of Nizwa, Nizwa P.O. Box 33, Oman"}]},{"given":"Dennis","family":"Power","sequence":"additional","affiliation":[{"name":"UNESCO Chair of Aflaj Studies, Archaeohydrology, University of Nizwa, Nizwa P.O. Box 33, Oman"}]}],"member":"1968","published-online":{"date-parts":[[2023,3,27]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Schilling, K.E., Jha, M.K., Zhang, Y.-K., Gassman, P.W., and Wolter, C.F. (2008). Impact of Land Use and Land Cover Change on the Water Balance of a Large Agricultural Watershed: Historical Effects and Future Directions. 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