Decline in Iran’s groundwater recharge

Noor, Roohollah, Maghrebi, Mohsen, Jessen, Soren, Bateni, Sayed M., Heggy, Essam, Javadi, Saman, Noury, Mojtaba, Pistre, Severin, Abolfathi, Soroush and AghaKouchak, Amir, (2023). Decline in Iran’s groundwater recharge. Nature communications, 14 6674-n/a

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    Author Noor, Roohollah
    Maghrebi, Mohsen
    Jessen, Soren
    Bateni, Sayed M.
    Heggy, Essam
    Javadi, Saman
    Noury, Mojtaba
    Pistre, Severin
    Abolfathi, Soroush
    AghaKouchak, Amir
    Title Decline in Iran’s groundwater recharge
    Appearing in Nature communications
    Volume 14
    Publication Date 2023-10-21
    Place of Publication Berlin
    Publisher Springer Nature
    Start page 6674
    End page n/a
    Language eng
    Abstract Groundwater recharge feeds aquifers supplying fresh-water to a population over 80 million in Iran—a global hotspot for groundwater depletion. Using an extended database comprising abstractions from over one million groundwater wells, springs, and qanats, from 2002 to 2017, here we show a significant decline of around −3.8 mm/yr in the nationwide groundwater recharge. This decline is primarily attributed to unsustainable water and environmental resources management, exacerbated by decadal changes in climatic conditions. However, it is important to note that the former’s contribution outweighs the latter. Our results show the average annual amount of nationwide groundwater recharge (i.e., ~40 mm/yr) is more than the reported average annual runoff in Iran (i.e., ~32 mm/yr), suggesting the surface water is the main contributor to groundwater recharge. Such a decline in groundwater recharge could further exacerbate the already dire aquifer depletion situation in Iran, with devastating consequences for the country’
    Keyword Groundwater
    Unsustainable water and environmental resources management
    climatic conditions
    Copyright Holder author(s)
    Copyright Year 2023
    Copyright type Creative commons
    DOI 10.1038/s41467-023-42411-2
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    Created: Tue, 24 Sep 2024, 04:56:03 JST by Haideh Beigi on behalf of UNU INWEH