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Advances in Artificial Intelligence and Multi-Source Remote Sensing for Surface Hydrology

A special issue of Remote Sensing (ISSN 2072-4292). This special issue belongs to the section "Remote Sensing in Geology, Geomorphology and Hydrology".

Deadline for manuscript submissions: 31 August 2026 | Viewed by 2159

Special Issue Editors


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Guest Editor
Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
Interests: altimetry; cascade reservoir; remote sensing; surface hydrology

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Guest Editor
School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
Interests: altimetry; remote sensing; climatology

Special Issue Information

Dear Colleagues,

Surface water resources—rivers, lakes, and reservoirs—are vital for ecosystems, socio-economic development, and human well-being. Accurate, timely monitoring of water level, area, and storage is key to water management, disaster mitigation, and climate adaptation. Advances in multi-source remote sensing (e.g., Sentinel-1/2, Sentinel-3A/B, SWOT, GRACE), combined with modeling, have greatly enhanced large-scale observation of surface water, especially in data-scarce remote or transboundary basins. Emerging tools—satellite altimetry, hydrological/hydrodynamic modeling, and AI-driven data fusion—further improve runoff simulation and event detection, aiding complex settings like cascade reservoirs and extreme events such as floods and droughts. Amid accelerating climate change, integrating multi-source Earth observation for monitoring, modeling, and early warning is a critical and impactful research frontier.

This Special Issue brings together advanced research and innovative applications in surface water monitoring and modeling using multi-source remote sensing. We welcome studies that integrate diverse satellite missions—such as radar, optical, altimetry, gravimetry, and the recently launched SWOT—with hydrological, hydrodynamic, and AI-based models to address water-related challenges under climate change.  For example, SWOT’s high-resolution, wide-coverage observations provide unprecedented opportunities to investigate surface water dynamics and emerging scientific questions, while artificial intelligence techniques applied to multi-source data fusion and pattern recognition are significantly enhancing the accuracy and efficiency of hydrological process modeling and extreme event monitoring.  Emphasizing both methodological advances and practical applications for water level, area, and storage estimation, as well as monitoring droughts and floods, this Special Issue provides a key platform for researchers at the interface of remote sensing, hydrology, and climate science.

  • Multi-source remote sensing of surface water (Sentinel-1/2, Sentinel-3A/B, SWOT, GRACE, ICESat-2, Landsat, etc.)
  • Integration of satellite altimetry, gravimetry, optical and radar data for water level, area, and storage monitoring
  • Data fusion and modeling approaches to improve runoff and hydrological process simulations in data-scarce basins
  • Monitoring and modeling cascade reservoirs and transboundary river basins
  • AI and machine learning applications in multi-source Earth observation data integration for hydrology
  • Climate change impacts on surface water dynamics and related hazards
  • Remote sensing-based drought, flood, and hydrological extremes monitoring and early warning
  • Validation and calibration of remote sensing products with in-situ measurements and models
  • Other related topics are also welcome

Dr. Xingxing Zhang
Dr. Liguang Jiang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Remote Sensing is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • multi-source remote sensing
  • surface water monitoring
  • satellite altimetry
  • SWOT mission
  • GRACE gravimetry
  • hydrological modeling
  • AI-based methods
  • climate change impacts
  • flood and drought monitoring
  • transboundary river basins

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Published Papers (2 papers)

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Research

29 pages, 10454 KB  
Article
Assessing the Hydrological Utility of Multiple Satellite Precipitation Products in the Yellow River Source Region with Error Propagation Analysis
by Chengcheng Meng, Xingguo Mo and Liqin Han
Remote Sens. 2026, 18(4), 537; https://doi.org/10.3390/rs18040537 - 7 Feb 2026
Viewed by 528
Abstract
Satellite precipitation products (SPPs) generally exhibit varying accuracy and error characteristics, which influence their applicability in hydrological modeling. Based on gauge-observed precipitation and streamflow data, as well as runoff simulations from the SWAT model, this study evaluates the data accuracy, hydrological utility, and [...] Read more.
Satellite precipitation products (SPPs) generally exhibit varying accuracy and error characteristics, which influence their applicability in hydrological modeling. Based on gauge-observed precipitation and streamflow data, as well as runoff simulations from the SWAT model, this study evaluates the data accuracy, hydrological utility, and error propagation characteristics of eight SPPs derived from the GSMaP, IMERG, and PERSIANN algorithms in the Yellow River Source Region (YRSR), an alpine mountainous watershed. Results show that for estimating precipitation amounts and detecting precipitation events, post-processed GSMaP_Gauge (GGauge) performs best, followed by IMERG Final run data. These two datasets present good substitutability for gauge-based observations and demonstrate considerable potential in streamflow modeling. Specifically, after parameter recalibration, the performance of GGauge is comparable to that of gauge-derived simulations. Most propagation ratios of systematic bias (γRB) exceed one, while the ratios of random error (γubRMSE) are below 1, indicating that, through hydrological simulation, systematic bias in precipitation data is more likely to be amplified, whereas random error is generally suppressed. Additionally, γubRMSE exhibits more pronounced autocorrelation than γRB, with hotspots in the central region and cold spots in the western part of the YRSR, which is highly related to the basin slope. The statistical features and spatial patterns of error propagation indices help to identify zones that are sensitive to precipitation errors in the study area and highlight the need for targeted strategies to address different types of data error in the modification of SPPs for hydrological application. Full article
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18 pages, 4604 KB  
Article
Evaluating Terrestrial Water Storage, Fluxes, and Drivers in the Pearl River Basin from Downscaled GRACE/GFO and Hydrometeorological Data
by Yuhao Xiong, Jincheng Liang and Wei Feng
Remote Sens. 2025, 17(23), 3816; https://doi.org/10.3390/rs17233816 - 25 Nov 2025
Viewed by 834
Abstract
The Pearl River Basin (PRB) is a humid subtropical system where frequent floods and recurrent droughts challenge water management. GRACE and GRACE Follow-On provide basin-scale constraints on terrestrial water storage anomalies (TWSA), yet their coarse native resolution limits applications at regional scales. We [...] Read more.
The Pearl River Basin (PRB) is a humid subtropical system where frequent floods and recurrent droughts challenge water management. GRACE and GRACE Follow-On provide basin-scale constraints on terrestrial water storage anomalies (TWSA), yet their coarse native resolution limits applications at regional scales. We employ a downscaled TWSA product derived via a joint inversion that integrates GRACE/GFO observations with the high-resolution spatial patterns of WaterGap Global Hydrological Model (WGHM). Validation against GRACE/GFO shows that the downscaled product outperforms WGHM at basin and pixel scales, with consistently lower errors and higher skill, and with improved terrestrial water flux (TWF) estimates that agree more closely with water balance calculations in both magnitude and phase. The TWSA in the PRB exhibits strong seasonality, with precipitation (P) exceeding evapotranspiration (E) and runoff (R) from April to July and storage peaking in July. From 2002 to 2022, the basin alternates between multi-year declines and recoveries. On the annual scale, TWSA covaries with precipitation and runoff, and large-scale climate modes modulate these relationships, with El Niño and a warm Pacific Decadal Oscillation (PDO) favoring wetter conditions and La Niña and a cold PDO favoring drier conditions. extreme gradient boosting (XGBoost) with shapley additive explanations (SHAP) attribution identifies P as the primary driver of storage variability, followed by R and E, while vegetation and radiation variables play secondary roles. Drought and flood diagnostics based on drought severity index (DSI) and a standardized flood potential index (FPI) capture the severe 2021 drought and major wet-season floods. The results demonstrate that joint inversion downscaling enhances the spatiotemporal fidelity of satellite-informed storage estimates and provides actionable information for risk assessment and water resources management. Full article
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