Mon Aug 24, F. Flechtner
• Sorted by Date • Sorted by Last Name of First Author •
Alkhawlani, Q., Algburi, Sameer, Sabeeh, Salah, Alsubih, Majed, Islam, Saiful, and Abad Khan, Roohul, 2026. Quantified groundwater–surface water dynamics across Tigris–Euphrates basin through integrated modelling. Hydrological Sciences Journal, 71(9):1814–1828, doi:10.1080/02626667.2026.2655443.
• from the NASA Astrophysics Data System • by the DOI System •
@ARTICLE{2026HydSJ..71.1814A,
author = {{Alkhawlani}, Q. and {Algburi}, Sameer and {Sabeeh}, Salah and {Alsubih}, Majed and {Islam}, Saiful and {Abad Khan}, Roohul},
title = "{Quantified groundwater--surface water dynamics across Tigris--Euphrates basin through integrated modelling}",
journal = {Hydrological Sciences Journal},
keywords = {Tigris--Euphrates basin, groundwater storage, GRACE, machine learning, groundwater--surface water interaction, climate change},
year = 2026,
month = jul,
volume = {71},
number = {9},
pages = {1814-1828},
abstract = "{Water scarcity in Iraq's Tigris--Euphrates basin is intensifying under
climate change, upstream regulation, and increasing demand,
creating pressure on groundwater and surface water
sustainability. This study develops an integrated framework that
merges Gravity Recovery and Climate Experiment groundwater
anomalies, Global Land Data Assimilation System soil moisture
fields, Moderate Resolution Imaging Spectroradiometer
evapotranspiration, hydrometric observations, and machine
learning to quantify groundwater--surfacewater exchanges. An
extreme gradient boosting model predicts groundwater levels with
R$^{2}$ of 0.92 and root mean square error of 0.15 m. Results
indicate groundwater storage declines ranging from
{\ensuremath{-}}1.4 cm year$^{{\ensuremath{-}}1}$ in the north
to {\ensuremath{-}}0.9 cm year$^{{\ensuremath{-}}1}$ in the
south during 2002--2023, with seasonal deficits amplifying
depletion. Exchange flux analysis reveals groundwater discharge
sustaining rivers during droughts and flood-induced recharge
during high flows. Scenario projections to 2050 show moderated
depletion under RCP4.5 but accelerated decline under RCP8.5,
emphasizing the need for adaptive abstraction control and
managed recharge strategies.}",
doi = {10.1080/02626667.2026.2655443},
adsurl = {https://ui.adsabs.harvard.edu/abs/2026HydSJ..71.1814A},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}
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