Spatial downscaling of GRACE data based on XGBoost model for improved understanding of hydrological droughts in the Indus Basin Irrigation System (IBIS)

S Ali, B Khorrami, M Jehanzaib, A Tariq, M Ajmal… - Remote Sensing, 2023 - mdpi.com
Climate change may cause severe hydrological droughts, leading to water shortages which
will require to be assessed using high-resolution data. Gravity Recovery and Climate …

The GWR model-based regional downscaling of GRACE/GRACE-FO derived groundwater storage to investigate local-scale variations in the North China Plain

S Ali, J Ran, Y Luan, B Khorrami, Y **ao… - Science of the Total …, 2024 - Elsevier
Groundwater storage and depletion fluctuations in response to groundwater availability for
irrigation require understanding on a local scale to ensure a reliable groundwater supply …

Investigating the local-scale fluctuations of groundwater storage by using downscaled GRACE/GRACE-FO JPL mascon product based on machine learning (ML) …

B Khorrami, S Ali, O Gündüz - Water Resources Management, 2023 - Springer
Groundwater storage is of grave significance for humanity by sustaining the required water
for agricultural irrigation, industry, and domestic use. Notwithstanding the impressive …

Statistical downscaling of GRACE TWSA estimates to a 1-km spatial resolution for a local-scale surveillance of flooding potential

B Khorrami, S Pirasteh, S Ali, OG Sahin… - Journal of …, 2023 - Elsevier
Abstract The Gravity Recovery and Climate Experiment (GRACE) paved the way for large-
scale monitoring of the hydrological extremes. However, local scale analysis is aslo …

An appraisal of the local‐scale spatio‐temporal variations of drought based on the integrated GRACE/GRACE‐FO observations and fine‐resolution FLDAS model

B Khorrami, S Ali, O Gündüz - Hydrological Processes, 2023 - Wiley Online Library
The gravity recovery and climate experiment (GRACE) observations have so far been
utilized to detect and trace the variations of hydrological extremes worldwide. However …

Model‐coupled GRACE‐based analysis of hydrological dynamics of drying Lake Urmia and its basin

B Khorrami, S Ali, OG Sahin… - Hydrological Processes, 2023 - Wiley Online Library
Lake Urmia basin (LUB), in northwestern Iran, is under the influence of extreme degradation
due to a number of natural and anthropogenic factors. The existence of the Lake is critical for …

Estimating the spatio-temporal assessment of GRACE/GRACE-FO derived groundwater storage depletion and validation with in-situ water quality data (Yazd province …

V Amiri, S Ali, N Sohrabi - Journal of Hydrology, 2023 - Elsevier
Due to the lack of surface water availability in Yazd province, groundwater has been
overexploited as a key source of water supply, resulting in the overexploitation of …

Downscaled GRACE/GRACE-FO observations for spatial and temporal monitoring of groundwater storage variations at the local scale using machine learning

S Ali, J Ran, B Khorrami, H Wu, A Tariq… - Groundwater for …, 2024 - Elsevier
Groundwater utilization for several purposes such as irrigation in agriculture, industry, and
domestic use substantially impacts water storage. Groundwater Storage Anomaly (GWSA) …

Detection and analysis of drought over Turkey with remote sensing and model-based drought indices

B Khorrami, O Gündüz - Geocarto International, 2022 - Taylor & Francis
Under the severe impacts of climate change, drought has become one of the most
undesirable and complex natural phenomena with critical consequences for the …

Identification and evaluation of soil moisture flash drought by a nonstationary framework considering climate and land cover changes

X Zha, L **ong, C Liu, P Shu, B **ong - Science of the Total Environment, 2023 - Elsevier
Soil moisture flash drought can cause extensive damage to agriculture, ecosystems, and
economies due to its sudden onset. Previous research identified soil moisture flash drought …