This special edition of the GEWEX e-news features a special on the 2025 American Geophysical Union (AGU25) Meeting.
This year’s AGU Meeting celebrates Where Science Connects Us as its theme. 

Below you’ll find a non-inclusive list of AGU25 sessions convened by GEWEX community members (indicated by session titles in bold), followed by sessions that are of interest to the GEWEX community. Sessions are listed by section and number. Submit your abstracts at https://www.agu.org/annual-meeting/present#overview, and for more information on AGU25, visit https://www.agu.org/annual-meeting. 
 

If you’d like us to add your session, please email us at contact@gewex.org. This list can also be found at https://www.gewex.org/resources/calls-for-papers/. 

• A028 – Atmospheric Convection: Processes, Dynamics, and Links to Weather and Climate
  Conveners: Giuseppe Torri, Yang Tian, Rachel L Storer, Hanii Takahashi
  This session aims to explore aspects of boundary layer, shallow, and deep convective clouds, considering fundamental processes as well as links to topics such as self-aggregation, land surface interactions, and their role in weather and climate. Presentations of both observational and modeling studies are invited.
• A035 – Atmospheric Sciences 2025 Fellows
  Conveners: Andrew Gettelmann, Amy C Clement
  This session features presentations by the newly elected 2025 Atmospheric Sciences AGU Fellows and will highlight cutting edge research in the atmospheric sciences.
• A059 – General Session: Aerosols and Clouds
  Conveners: Kelly Barsanti, Kristen Lani Rasmussen
  This session provides a general forum for scientists working on Atmospheric aerosols and clouds. In addition to new, cutting-edge research, Reviews are welcomed as well as perspectives on emerging challenges and opportunities. Papers on all processes relevant to aerosols and clouds are encouraged, especially those that do not fall under the umbrella of other sessions.
• A064 – Identifying, Understanding, and Resolving Earth System Model Biases
  Conveners: Michael B Ek, Weiwei Li, Senyu Zhou, Kathryn Newman
  The session echoes the AGU theme this year: “Where Science Connects Us” by fostering better understanding of fundamental issues in cutting-edge models and exploring potential solutions.
• A079 – NASA’s INvestigation of Convective UpdraftS  (INCUS) Mission: Observing the Drivers of Severe Weather from Space
  Conveners: Derek J Posselt, Sue van den Heever, Pavlos Kollias, Kristen Lani Rasmussen
  This session invites abstracts on any science topic related to the INCUS mission, as well as its context within NASA’s long record of spaceborne radar observations. These include any of the following: convection-related observations (ground or space-based), modeling studies, and applications of space-borne radar observations.
• A106 – Weather and Climate Extremes over South Asian Monsoon Regions
  Conveners: Mansur Ali Jisan, Tanvir Ahmed, Madan Sigdel, Saadia Hina, Mostofa Kamal
  This session advances scientific understanding of weather and climate extremes, addresses escalating challenges, and supports decision-makers in building a more resilient South Asia.
• GC017 – The Flows of Energy Through the Climate System
  Conveners: Maria Zita Hakuba, Seiji Kato, Martin Wild
  This session concerns various aspects of Earth’s energy budget and the variability in its radiative and non-radiative components, as well as the processes yielding such changes and their implications on multiple time and spatial scales.
• GC019 – Advancing Soil Moisture Research in the Context of Global Environmental Change
  Conveners: Jiafu Mao, Yaoping Wang, Forrest Hoffman
  This session aims to deepen our shared understanding and foster a vibrant global dialogue on the critical role of SM in supporting monitoring, Earth system modeling, and adaptation efforts in the decades ahead.
• GC032 – Climate forcing: quantifying the roles and responses of anthropogenic and natural climate drivers
  Conveners: Paul James Durack, Vaishali Naik, Zebedee Nicholls, Thomas Jacques Aubry
  This session invites contributions across all aspects of forcing research, including the development of historical and future forcing time series, idealized analyses, single- or multi-model frameworks, or observational methods to assess their influence on Earth system dynamics.
• GC046 – Environmental, Socio-Economic, and Climatic Changes in Northern Eurasia
  Conveners: L Pavel Groisman, Jiquan Chen, Evgeny P Gordov, Shamil S Maksyutov
  This session focuses on the permafrost and the carbon cycle changes over Northern Eurasia. In the regional water cycle studies, the session’s focus is on the changing distribution of precipitation and on the pattern and seasonal cycle changes of runoff. For the human dimension studies, the focus is on assessments of the impact of the ongoing environmental changes on human well-being and on mitigation strategies development in response to harmful consequences of these changes.
• GC090 – Regional climate: Modeling, analysis, and impacts
  Conveners: Melissa S Bukovsky, Rachel Rose McCrary, L. Ruby Leung, Stefan Rahimi
  This session seeks contributions on coordinated modeling experiments such as CORDEX; new developments in coupled regional Earth system modeling, convection-permitting simulations, and variable resolution approaches; ensemble methods, uncertainty analyses, and innovative approaches for differentiating projection credibility within ensembles.
• GC101 – The global water cycle: coupling and exchanges of mass and energy between the ocean, land, cryosphere, and atmosphere
  Conveners: Paul James Durack, John T Reager, Francis H Lambert, Nadya Vinogradova Shiffer
  This session invites contributions spanning in situ and satellite observations—from past (e.g., Aquarius, TRMM, GRACE), current (e.g., GO-SHIP, Argo, SMAP, SMOS, GRACE-FO, GPM, GCOM-W, SWOT, NISAR), and future (e.g., CIMR, MAGIC) missions—as well as numerical models, data assimilation products, climate projections, and theoretical studies.
• GC102 – The Third Pole Environment (TPE) under global changes
  Conveners: Shilong Piao, Lonnie G Thompson, Andreas Mulch, Fan Zhang
  This session is dedicated to studies of Pan Third Pole atmosphere, cryosphere, hydrosphere, and biosphere and their interactions with global change. Related contributions are welcomed.
• H007 – Advances in Critical Zone Hydrology through Integration of Novel Measurement Techniques and Modeling Approaches
  Conveners: Tobias Weber, Efstathios Diamantopoulos, Yijian Zeng
  This inter-disciplinary session brings together scientists to explore how cutting-edge measurement techniques (remote sensing, isotopic tracing, and high-resolution sensor networks, … ) can be combined with advanced modeling approaches (machine learning, data assimilation, process-based models, …) with the aim to foster comprehensive understanding of Critical Zone processes.
• H010 – Advances in Ecohydrology: Quantifying the Influence of Land-Use/Land-Cover Change on Hydrology and Climate
  Conveners: Ben Livneh, Cynthia Gerlein-Safdi, Gabrielle FS Boisrame, Shraddhanand Shukla
  This session invites presentations that leverage geospatial techniques—including remote sensing, machine learning, isotopic tracing, or modeling to capture key ecohydrological impacts over time. Topics of interest include (i) detection and attribution of LULC shifts, (ii) quantification of extreme event frequency and severity in response to vegetation and agricultural dynamics, (iii) long-term trends in groundwater and surface water interactions, and (iv) uncertainty analyses associated with dataset selection and modeling
• H019 – Advances in Remote Sensing, AI, and Modeling for Hydrology and the Terrestrial Water Cycle
  Conveners: Hyunglok Kim, Venkataraman Lakshmi, Kristen Whitney, ManhHung Le, Ehsan Jalilvand
  This session explores how the integration of observational data, advanced data assimilation techniques, and state-of-the-art machine learning—including physics-informed and differentiable models—is reshaping our ability to understand the terrestrial water cycle.
• H028 – Advancing Hydrologic Modeling and Prediction Using Large-Domain Meteorological and Hydrologic Datasets
  Conveners: Guoqiang Tang, Hongli Liu, Martyn P Clark, Andy Wood
  This session invites contributions including but are not limited to following areas: (1) Development of large-domain meteorological and hydrologic datasets; (2) Application of large-domain or large-sample datasets in hydrologic model preparation, calibration, assimilation, forecast, and prediction; (3) Application of artificial intelligence to gain insights from extensive datasets and models; (4) Data uncertainty quantification and the use of probabilistic/ensemble datasets in hydrologic modeling and prediction.
• H030 – Advancing Hydrological and Earth System Insights from GRACE and GRACE-FO Missions
  Conveners: Karem Abdelmohsen, John T Reager, Bridget R Scanlon
  This session focuses on scientific discoveries enabled by GRACE and GRACE-FO data, and their integration with complementary Earth observations (e.g., SWOT, SMAP, NISAR, Landsat-9, OPERA), in-situ measurements, GNSS observations, and modeling tools.
• H041 – Anthropogenic Impacts on Hydroclimate Processes and Extremes in Cities
  Conveners: Xinxin Sui, Ruby Leung, Aubrey L Dugger, Jessica Abbie Eisma
  This session provides a platform to share observational and modeling studies that 1) advance understanding of urbanization’s impacts on hydrological processes, 2) improve predictions of urban hydrological patterns and extremes, and 3) explore effective mitigation and adaptation strategies to strengthen urban water resilience.
• H045 – Beyond the 100-year Return Period: Hydrologic Mega Disasters
  Conveners: Aaron Alexander, Daniel B Wright, Joshua K Roundy, Samantha Hartke
  This session invites studies on hydrologic mega disasters and the conditions that lead to them, especially those focusing on return periods beyond 100 years. Example topics include statistical characterization of severe drought, nonstationary frequency analysis, and probable maximum precipitation/flood estimation.
• H060 – Earth System Science and Applications Based on a Decade of NASA Soil Moisture Active Passive (SMAP) Satellite Mission Science Data Products
  Conveners: Dara Entekhabi, Simon H Yueh, Mark Garcia, Jared Keith Entin, Rajat Bindlish
  The NASA SMAP satellite mission has now produced over a decade of observations. The low-frequency microwave measurements have applications spanning global water cycle and surface hydrology, global ecology and plant water stress, land ice freeze/melt dynamics, sea ice edge thickness, and eddy-scale sea surface salinity dynamics.
• H074 – Global river modeling in the Anthropocene: Advancing model intercomparison and remote sensing data integration for societal benefits
  Conveners: Peirong Lin, Augusto Getirana, Cedric H David, Guy Schumann
  This session seeks cutting-edge research addressing these modeling frontiers, with particular interest in studies that bridge scientific advances with practical applications for water resource management and climate adaptation.
• H075 – Global Water Risks: Advances in Large-Scale Flood and Drought Risk Assessment and Management for a Resilient Future
  Conveners: Margaret Ellen Garcia, Oliver Wing, Ashish Shrestha, Noemi Vergopolan, Annika Hjelmstad
  This session invites contributions that (1) showcase the state-of-the-art in large-scale water-risks science; (2) foster broader exchange of knowledge, datasets, and methods; and (3) identify future research avenues.
• H083 – Hydrometeorologic extremes: prediction, simulation, and change
  Conveners: Erin Dougherty, Manuela Irene Brunner, Laurie Huning, Naresh Devineni, Larisa Tarsova
  This session invites contributions tackling challenges related to local and regional hydrometeorological hazard and risk assessments.
• H101 – Machine Learning, Data Analytics and Data Assimilation for Earth System Modeling and Discovery
  Conveners: Peyman Abbaszadeh, Hamid Moradkhani, Harrie-Jan Hendricks Franssen, Xin Li
  This session will be devoted to the methodological development and applications of data-driven and physics-informed ML, deep learning, generative AI, post-hoc explainable AI, Large Language Models, and DA in improving our understanding and enhancing the prediction of different aspects of hydrological and hydrometeorological processes and their interactions across spatial and temporal scales.
• H102 – Machine Learning, Physics, and Generative AI for Hydrologic and River Modeling
  Conveners: Hernan A Moreno, Chaopeng Shen, Praveen Kumar, Laura Alvarez, Leila Constanza Hernandez Rodriguez
  This session invites contributions on: (1) Data-driven and hybrid AI/ML models; (2) Physics-informed and learnable physical models; (3) Generative AI for data enhancement, downscaling, and uncertainty quantification; (4) AI-integrated Earth system modeling; (5) Scalable AI/ML approaches for watershed to global scales; (6) AI-assisted discovery of hydrologic patterns and relationships; and (7) Trustworthy, explainable, and responsible AI.
• H106 – Navigating AI in Water Management
  Conveners: Alyssa Dausman, Chiyuan Miao, Jessica Henkel, Ali Nazemi, Ximing Cai, Tiantian Yang, Chung-Yi Lin
  The goal of this session is to highlight advances in transdisciplinary and interdisciplinary research where human dimensions, social science, and AI/ML are successfully applied to address water management challenges.
• H107 – New Developments and Future Directions in Community Water Resources Modeling – Synergy at the Interface of Process Understanding, Artificial Intelligence, Computer Science, Operations, and Decision Making
  Conveners: Steven J Burian, Martyn P Clark, Katie van Werkhoven, Jordan Stuart Read, Louse Arnal
  This session invites contributions from those making advancements in any aspects of water prediction that can be mobilized and used in community water resources modeling frameworks.
• H123 – Remote Sensing of Rivers, Lakes, Reservoirs, and Wetlands
  Conveners: Ethan J Shavers, George H Allen, Jérôme Benveniste, Jessica Fayne, Ann Scheliga
  This session is soliciting abstracts that employ remote sensing data to study inland water processes and support the development of novel applications and methods (e.g., new algorithms/datasets leveraging ML/DL, integration with models and in situ data) for exploring the roles of these inland water bodies, both in terms of quantity and quality, in water management, flood and drought mitigation, hydrologic cycles, ecosystem services, and land-atmosphere interactions.
• H124 – Remote Sensing of Soil Processes
  Conveners: Vinit Sehgal, Noemi Vergopolan, Andrew Feldman
  This session invites studies on process understanding of the critical zone beyond the Darcy scale using remote sensing for (but not limited to): Scaling of critical zone processes, Land-atmospheric interactions/feedback, Soil moisture dynamics and controls, Soil hydraulic parameterization, Soil carbon and nutrient cycle, Surface-rootzone connectivity, Soil salinity and microbiological activity. Applications of soil moisture observing satellites, multi/hyperspectral remote sensing, large-scale reanalysis products, CYGNSS, etc., for studying critical zone soil processes are invited.
• H130 – Science in Action: NASA Earth Observations Enabling Advances in Water Management
  Conveners: Erin Urquhart, Craig R Ferguson, Jared Keith Entin, Perry Oddo
  This session highlights advances in water resources understanding and decision-making made possible through the integration of NASA’s satellite Earth observations either directly or through data assimilation and AI/ML into hydrologic modeling systems.
• H132 – Space-Based Precipitation Observations: Innovations for Science and Applications
  Conveners: Sarah Ringerud, George John Huffman, Yagmur Derin, Daniel Watters
  This session invites innovative contributions in precipitation science and applications with emphasis on the use of space-based observations, including missions, instrumentation, algorithms, quantitative precipitation estimates, uncertainty characterization, and validation, extending to interdisciplinary work on extremes, processes, and models.
• H134 – Subseasonal to Seasonal to Interannual Predictability and Land-Atmosphere Coupling
  Conveners: Aaron Anthony Boone, Qi Tang, Yugei Takaya, Retish Senan, Megan Devlan Fowler
  This session invites contributions that enhance our understanding of precipitation and temperature predictability-from sub-seasonal to longer timescales-with a focus on the land-atmosphere interactions, including for extreme events such as droughts, floods, and heatwaves.
• H144 – Understanding and Quantifying the Human Impacts on Water Cycle
  Conveners: Shahryar Khalique Ahmad, Timothy M Lahmers, Sujay V Kumar, Joshua K Roundy, Timothy M Lahmers
  This session invites submissions on: (1) the challenges and requirements for developing representations of human influences, (2) innovative methods that focus on capturing the human impact on the hydrologic cycle using observations and models, (3) measuring the wider effects of the human impact on hydrological extremes. Studies focused on historical reconstruction as well as future projections and forecasts using open research tools, interoperable data, and models are encouraged.
• H145 – Understanding Distributed Sensing Instruments for Scientific Discovery: A Guided Tour through the Tools of Earth Science
  Conveners: Haokai Zhao, Cian Dawson, Vidya Samadi
  This session aims to foster community knowledge exchange and support a broader understanding of current capabilities, challenges, and emerging directions in distributed sensing across the Earth and space sciences.
• H149 – Utilizing Precipitation Datasets and Quantifying Associated Uncertainties in Hydrometeorological and Climate Impact Applications
  Conveners: Paul A Kucera, Ali Behrangi, Andrew James Newman
  This session seeks contributions from the research, operational, and user communities that utilize precipitation datasets in applications that address scientific and societal needs from flood forecasts to climate impact studies. Uncertainties in precipitation data have a significant impact on the usefulness of these applications. This session also seeks contributions that present advances in error characterization and uncertainty quantification in diverse precipitation datasets and to enhance our understanding on how the uncertainties propagate to hydrological processes and thus affecting the modeling and data-assimilation in these applications.
• H162 – Where Flood Connects Us: Integrating Physical Models, Social Dimensions, and AI Innovations
  Conveners: Alka Tiwari, Zhi Li, L. Ruby Leung, Scott M Collis
  This session invites researchers, practitioners, and stakeholders to advance holistic flood science by bridging physical, social, and technological domains—echoing AGU’s theme, “Where Science Connects Us.” It seek abstracts that present novel frameworks for: analyzing cascading impacts using coupled natural-human systems, applying AI in real-time forecasting and early warning, evaluating nature-based solutions, and incorporating community sensitivity into risk models.

Sessions of Interest to the GEWEX Community

• A003 – Advances in Cloud and Precipitation Processes: Integrating Observations, Modeling, and Theory
• A005 – Advances in Fundamental Understanding of Atmospheric Convection: From Cloud Microphysics to Large-Scale Organization
• A014 – Advancing Precipitation Predictions with Physical Models and Artificial Intelligence
• A016 – Advancing Skill in Subseasonal-to-Seasonal (S2S) Prediction
• A021 – AI-Driven Innovations in Earth and Atmospheric Sciences
• A083 – Next-Generation PBL Observations: Synergistic Approaches and Technological Breakthroughs from NASA’s WH²yMSIE-APEX Campaigns
• A103 – Understanding and Modeling of Mesoscale and Severe Local Convective Storm Processes
• GH023 – Human Dimensions of Drought: Water, Health, and Community Vulnerability
• H039 – African Hydrology: Bridging Data, Models, and Innovation for Sustainable Solutions
• H042 – Applications in Snow Hydrology
• H050 – Coastal Hydrology: Observation, Modeling, and Prediction of Surface and Subsurface Processes and Patterns
• H080 – Hydrologic Extremes in South and Southeast Asia: Challenges and Opportunities
• H122 – Recent Advances in Remote Sensing and Modeling of Flood Inundation
• H125 – Research to operations for water resources
• H155 – Water and Society: Water Resources Management and Policy in a Changing World
• NH034 – Recent Advances in Flood Risk:Prediction, Monitoring, Assessment,Management, Mitigation and Adaptation Planning