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ORNL at AGU 2023 presentations

See ORNL research in action

The latest in geography research comes to you at AGU! See ORNL researchers from biology, environmental sciences, computing, and national security share their latest findings and tools. 

 

Enabling Analysis in the Cloud Using NASA Earth Science Data (SCIWS23) | Michele Thornton, Presenter

  • 3022 – West  |  1-4:30 p.m.  |  Details

 

Differential effects of chemical weathering, industrialization, and urbanization on stream water chemistry in contrasting watersheds at Oak Ridge, Tennessee, USA  |  Xin Gu

  • Poster Hall A-C – South  |  2:10–6:30 p.m.  |  Details

 

Groundwater-Surface Water Interactions: Integrating Physical, Biological, and Chemical Patterns and Processes Across Systems and Scales  |  Jesus Gomez-Velez

  • Poster: Hall A-C – South  |  8:30 a.m. – 12:50 p.m.  |  Details
  • eLightning: Theater IV, Hall D – South  |  10:20–11:50 a.m.  |  Details
  • Oral: 3018 – West  |  2:10–3:40 p.m.  |  Details
  • Oral: 3018 – West  |  4–5:30 p.m.  |  Details 

 

HydroSource Data Explorer: A National Water-Energy Web Application for Hydropower Decision Making  |  Debjani Singh

  • 2014 – West  |  9:05–9:15 a.m.  |  Details

 

Understanding Phenological Responses, Changes, and Feedbacks: Patterns, Mechanisms, and Consequences  |  Jitendra Kumar, Primary Convener

  • Poster: Hall A-C – South  |  8:30 a.m. – 12:50 p.m.  |  Details
  • Oral: 3010 – West  |  2:10–3:40 p.m.  |  Details

 

Quantification of Lateral Bedload Transport Induced by a Submerged Vane Array in Open-Channel Flows  |  Chien-Yung Tsenf

  • 2002 – West  |  2:15-2:25 p.m.  |  Details

 

Imaging Subsurface Structures near an Underground Mine in Pennsylvania  |  Chingpeng Chai

  • Poster Hall A-C – South  |  8:30 a.m. – 12:50 p.m  |  Details

 

Developing and Evaluating a Watershed Classification Approach to Support Transferability of Watershed Process Understanding  |  Marie Kurz

  • 3014 – West  |  2:20–2:30 p.m.  |  Details

 

Designing Carinata-Based Sustainable Aviation Fuel Supply Chain in Georgia under Uncertainty  |  Kazi Ullah

  • Poster Hall A-C – South  |  8:30 a.m. – 12:50 p.m.  |  Details

 

Estimating future risks of hydroclimatic extremes and their impacts on US hydropower reservoirs in a warming climate  |  Ganesh Ghimire, Presenting Author

  • Poster Hall A-C – South  |  8:30 a.m. – 12:50 p.m.  |  Details

 

Modelling compound flooding events for multiple hazards: an example from Sweden  |  Faisal Ashraf

  • Poster Hall A-C – South  |  2:10–6:30 p.m.  | Details

 

Modeling built environment – occupant relationships for more precise population estimation in LMICs: a machine learning case study applied to Ghana  |  Angela Cunningham

  • 2014 – West  |  3:04-3:12 p.m.  |  Detail

 

Hyporheic-zone Processes and Stream Oxygen Dynamics: Insights from a Multiscale Reactive Transport Model  |  Scott Painter

  • 3018 – West  |  4:42-4:52 p.m.  |  Details

 

Can Machine Learning Ensure Environmental Justice? (Invited)  |  Budhu Bhaduri

  • 2014 – West  |  4-4:10 p.m.  | Details

 

Open Earth and Environmental Data Advance Scientific Discovery eLightning  |  Forrest Hoffman, Primary Convener

  • eLightning Theater IV, Hall D – South  |  4-5:30 p.m.  |  Details

 

Marine Energy to Power the Blue Economy Poster  |  Mirko Musa, Early Career/Student Convener

  • Poster Hall A-C – South  |  8:30 a.m. – 12:50 p.m.  |  Details

 

Scaling Up Hydrodynamic Inundation Simulation – How Far Can We Go? (Invited)  |  Shih-Chieh Kao

  • 3014 – West  |  10:22-10:32 a.m.  |  Details

 

Delineating Timberline from Satellite-derived Tree Fractional Cover Based on The Seeded Region-growing Segmentation Technique  |  Tianqi Zhang

  • Poster Hall A-C – South  |  2:10-4:30 p.m.  |  Details

 

Recent Advances in Large-Scale, High-Resolution Hydrologic and Flood Modeling and Hydroclimatic Extremes Assessment  |  Sudershan Gangrade, Primary Convener

  • Oral: 3004 – West  |  10:20-11:50 a.m.  |  Details
  • Poster: Hall A-C – South   |  2:10-4:30 p.m.  |  Details

 

Fracturing, weathering and subsurface particle transport at two critical zone observatories  |  Xin Gu

  • Poster Hall A-C – South  |  2:10-4:30 p.m.  |  Details

 

Advancing Streamflow Reanalysis in the Conterminous United States: Leveraging Multiple Forcings to Enhance Peak Flow Dynamics  |  Ganesh Ghimire

  • 3001 – West  |  9:40-9:50 a.m.  |  Details

 

Heterogeneity and Inequality in Urban Environments  |  Christa Brelsford (NCA5 Author)

  • 2008 – West  |  10:40-10:50 a.m.  |  Details

 

Data and informatics innovations to support dam retrofit and development decisions  |  Carly Hansen

  • 3010 – West  |  10:40-10:50 a.m.  |  Details

 

Automated Model for Improved Mapping of Country-Scale High-Resolution Coastal Bathymetry  |  Matthew McCarthy

  • Hall E – North  |  9:15-9:30 a.m.  |  Details

 

Pan-Arctic Representativeness for Site Selection and Model Evaluation  |  Forrest Hoffman (NCA5 Author)

  • 3006 – West  |  9:30-9:40 a.m.  |  Details

 

Methodological Developments in the International Land Model Benchmarking Effort  |  Nathan Collier

  • Poster Hall A-C – South  |  2:10-4:30 p.m.  |  Details

 

Is Parameter Inference a Disappearing Practice? Comparing Photosynthesis Simulations Using Perturbed Parameter Ensembles and Machine Learning  |  Elias Massoud (NCA5 Author)

  • Poster Hall A-C – South  |  8:30 a.m. – 12:50 p.m.  |  Details

 

Enhancing Multi-Step Reservoir Inflow Forecasting: A Time-Variant Machine Learning Approach with Interpretability Analysis  |  Ming Fan

  • Poster Hall A-C – South  |  2:10-4:30 p.m.  |  Details

 

The Influence of the Resolution of Embedded Urban Morphological Parameters in Numerical Weather Models on Evaluation of Human Vulnerability to Heat Waves  |  Melissa Allen-Dumas

  • 3000 – West  |  5:10-5:20 p.m.  |  Details

 

Multisector Dynamics: Confluence of Societal and Environmental Change in Urban Areas  |  Melissa Allen-Dumas, Primary Convener

  • Oral: 2008 – West  |  10:20-11:50 a.m.  |  Details
  • Poster: Hall A-C – South  |  2:10-4:30 p.m.  |  Details

 

Delineating Timberline from Satellite-derived Tree Fractional Cover Based on The Seeded Region-growing Segmentation Technique  |  Tianqi Zhang

  • Poster Hall A-C – South  |  2:10-4:30 p.m.  |  Details

 

 

Responses of Carbon and Nutrient Solubility to Tidal Variation in an Emerging Freshwater Coastal Delta  |  Matthew Berens

  • 2002 – West  |  9:10-9:20 a.m.  |  Detail

 

Hydropower Mitigation Database: Cataloging environmental mitigation measures required by hydropower licenses  |  Thomas Alan Ruggles

  • Poster Hall A-C – South  |  8:30 a.m. – 12:50 p.m.  |  Details

 

New Mechanisms, Feedbacks, and Approaches for Predicting Global Biogeochemical Cycles Under Climate Change and Intervention Poster  |  Forrest Hoffman, Primary Convener

  • Poster Hall A-C – South  |  2:10-4:30 p.m.  |  Details

 

Analyzing event-scale hydrological response of agricultural watersheds with artificial drainage using a fully distributed integrated hydrology model  |  Saubhagya Rathore

  • eLightning Theater II, Hall D – South  |  4:12–4:15 p.m.  |  Details

 

Assessing the Impacts of Climate Change on Sedimentation and Reservoir Operations: A Tennessee River Basin Case Study  |  Soumendra Bhanja

  • Poster Hall A-C – South  |  8:30 a.m. – 12:50 p.m.  |  Details

 

Modeling Strategies and Data Needs for Connecting Microbial Functional Diversity and Ecosystem Function (Invited)  |  Benjamin Sulman

  • 3007 – West  |  9:30-9:40 a.m.  |  Details

 

Impact of assimilating observations from long-term experiments and observations from vulnerable ecosystems on predicted carbon cycle feedbacks (Invited)  |  Daniel Riccuito

  • eLightning Theater III, Hall D – South  |  8:30-8:33 a.m.  |  Details

 

Empirical Investigation of Methylmercury Concentrations in Aquatic Ecosystems: Why do Physical and Chemical Factors Matter?  |  Teresa Mathews

  • 3009 – West  |  9:50-10 a.m.  |  Details

 

Improving the Application of a Novel Model Conceptualization for Permafrost Simulation at Full-river Basin  |  Bo Gao

  • eLightning Theater II, Hall D  |  10:38-10:41 a.m.  |  Details

 

The Quandary of Rift Valley fever activity in South Africa  |  Assaf Anyamba

  • 2020 – West  |  4:42-4:52 p.m.  |  Details

 

Advances in Climate Impacts and Adaptation for Urban Resiliency  |  Nagendra Singh, Primary Convener

  • Posters: Hall: A-C – South  |  8:30 a.m. – 12:50 p.m.  |  Details
  • Oral: 2006 – West  |  4-5:30 p.m.  |  Details

 

Machine Learning in Subsurface Modeling: Addressing Small and Big Data Challenges with Uncertainty Quantification (Invited)  |  Dan Lu

  • 3005 – West  |  8:40-8:50 a.m.  |  Details

 

Evaluating Widespread and Persistent Temperature Extremes: Implications for the United States Electric Grid Infrastructure  |  Deeksha Rastogi

  • Poster Hall A-C – South  |  2:10–5:30 p.m.  |  Details

 

Belowground Processes to Enhance Durable Soil Carbon Storage: Evidence from a Long-Term Poplar Genetic Diversity Trial  |  John Field (NCA5 Author)

  • 3007 – West  |  5:15-5:26 p.m.  |  Details

 

Advancing Open Science and Rapid Data Access Using Preprint and Experimental Datasets  |  Bruce Wilson

  • Poster Hall A-C – South  |  8:30 a.m. – 12:50 p.m.  |  Details

 

Developing Ultrahigh Resolution E3SM Land Model on Large Supercomputers  |  Dali Wang

  • Poster Hall A-C – South  |  8:30 a.m. – 12:50 p.m.  |  Details

 

Historical Rainfall Anomalies as a Proxy for Geographic Patterns of Rift Valley Fever Activity  |  Karly Harrod

  • Poster Hall A-C – South  |  2:10–5:30 p.m.  |  Details

 

Evaluating tropical cyclone projections downscaled from the Energy Exascale Earth System Model  |  Phong V. V. Le

  • Poster Hall A-C – South  |  2:10–5:30 p.m.  |  Details

 

Warming’s Impact on Belowground C Allocation by an Aerenchymous Tundra Sedge  |  Verity Salmon

  • Poster Hall A-C – South  |  8:30 a.m. – 12:50 p.m.  |  Details

 

Exploring deep learning-based surrogate models for process-based integrated surface-subsurface hydrologic models  |  Soumendra Bhanja

  • 3020 – West  |  10:50 – 11 a.m.  |  Details

 

Progress and Priorities for Developing Intelligent Watersheds  |  Carly Hansen, Town Hall Moderator

  • 2007 – West  |  1-2 p.m.  |  Details

 

Development Potential for Renewable Hydropower Generation in Existing US Water Conduits  |  Antonia Chu

  • Poster Hall A-C – South  |  2:10–5:30 p.m.  |  Details

 

Long-Term Streamflow Prediction Using Explainable Machine Learning with Uncertainty Quantification  |  Siyan Liu

  • eLightning Theater II, Hall D – South  |  8:51-8:54 a.m.  |  Details

 

Enhancing Forecasts of CO2 Plume Migration in Geologic Carbon Storage Using Deep Learning Models and Interpretability Analysis  |  Ming Fan

  • Poster Hall A-C – South  |  2:10–5:30 p.m.  |  Details

 

Performance Pitfalls in Detecting Ecosystem Soil Water Stress from Eddy Covariance Data  |  Brandon Sloan

  • Poster Hall A-C – South  |  2:10–5:30 p.m.  |  Details

 

Net Methane and CO2 emissions Under Optimum and Severe Drought Conditions: Data From An Ombrotrophic Peatland Across a Range of Experimental Warming Treatments  |  Paul Hanson

  • Poster Hall A-C – South  |  2:10–5:30 p.m.  |  Details

 

Integrating boots-on-the-ground observations with the virtual world of models to answer big science questions across the Arctic  |  Colleen M Iversen

  • 3009 – West  |  8:30–8:40 a.m.  |  Details

 

Investigating the CO2 Response of Secondary-Succession Forests at Duke and Oak Ridge FACE Experiments Simulated with ELM-FATES-CNP  |  Bharat Sharma

  • Poster Hall A-C – South  |  8:30 a.m. – 12:50 p.m.  |  Details

 

Wildfires Affect Permafrost Carbon in an Arctic Tundra Ecosystem  |  Fernanda Santos

  • 3009 – West  |  11-11:10 a.m.  |  Details

 

Measuring and Modeling Disturbance and Its Effects on Biogeochemical Processes  |  Fernanda Santos, Primary Convener

  • Poster: Hall A-C – South  |  8:30 a.m. – 12:50 p.m.  |  Details
  • Oral: 3008 – West  |  4-5:30 p.m.  |  Details

 

Improving ELM Photosynthesis Using Satellite SIF and Machine Learning Techniques  |  Jiafu Mau

  • Poster Hall A-C – South  |  8:30 a.m. – 12:50 p.m.  |  Details

 

An International Workshop to Contextualize the Spruce and Peatland Responses Under Changing Environments (SPRUCE) Experiment  |  Melanie Mayes

  • Poster Hall A-C – South  |  2:10–5:30 p.m.  |  Details

 

Nitrogen and Phosphorus Pools & Turnover in Peat Following Five Years of Simulated Climate Change  |  Verity Salmon

  • Poster Hall A-C – South  |  2:10–5:30 p.m.  |  Details

 

Response of Northern Peatland Net Flux of Greenhouse Gas (CO2 and CH4) to Experimental Warming Treatments, With and Without Elevated CO2  |  Jonathan Stelling

  • Poster Hall A-C – South  |  2:10–5:30 p.m.  |  Details

 

SPRUCE-MIP: Model Intercomparison of Northern Peatland Carbon Cycle Over the SPRUCE Site  |  Xiaoying Shi

  • Poster Hall A-C – South  |  8:30 a.m. – 12:50 p.m.  |  Details

 

Permafrost soil biogeochemistry and vegetation type controls greenhouse gas flux across a thermokarst transect  |  Sean Fettrow

  • Poster Hall A-C – South  |  2:10–5:30 p.m.  |  Details

 

Representation of mangrove hydrology and ecosystem functions to improve biogeochemical modeling of coastal regions in a land surface model  |  Shannon Jones

  • 3007 – West  |  4:15-4:30 p.m.  |  Details

 

Simulating tide-driven wetland soil redox and biogeochemical interactions in a land surface model  |  Benjamin Sulman

  • Poster Hall A-C – South  |  8:30 a.m. – 12:50 p.m.  |  Details

 

Does a Photosynthetic Battery Explain the “Missing” Energy at Eddy Covariance Flux Sites Around the World?  |  Lianhong Gu

  • 3009 – West  |  4:50-5 p.m.  |  Details

 

High Performance Computing (HPC) for Enabling Geospatial Digital Twins (Invited)  |  Budhu Bhaduri

  • 2014 – West  |  9:35-9:45 a.m.  |  Details

 

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