Meeting Presentations
AGU Annual Meeting 2024
Each year, AGU’s annual meeting, the largest gathering of Earth and space scientists, convenes 25,000+ attendees from 100+ countries to share research and connect with friends and colleagues. Scientists, educators, policymakers, journalists and communicators attend AGU24 to better understand our planet and environment, opening pathways to discovery, opening greater awareness to address climate change, opening greater collaborations to lead to solutions and opening the fields and professions of science to a whole new age of justice equity, diversity, inclusion and belonging.
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A Guide to Unraveling the Terrestrial Biosphere’s Integrated Sensitivity to Just About Anything (Invited)
Bloom, A., Au, J., Behrangi, A., et al. The world's land ecosystems are experiencing unprecedented changes at unprecedented rates ... MORE »▲
A Multiscale Greenhouse Gas System in Support of the U.S. GHG Center
Bowman, K., Worden, J., Liu, J., Thorpe, A., Byrne, B., Bloom, A., Menemenlis, D., Carroll, D., Thill, M., Pandey, S., Estrada, L., Varon, D., Jacob, D., Chatterjee, A., and Miller, C. In late 2023, the U ... MORE »▲
A Reanalysis of the Greenland Ice Sheet 1980-2020
Aschwanden, A., Brinkerhoff, D., and Fahnestock, M.A.Numerical ice sheet models can be useful tools to estimate future mass loss from Greenland and Antarctica if the models are well validated ... MORE »
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Analytical Estimation of Carbon Dioxide Fluxes and Information Content from OCO-2 Satellite Data
Nesser, H.O., Bowman, K.W., Bloom, A.A., Byrne, B.K., Carroll, D., Liu, J., Menemenlis, D., Thill, M.D., Murray, L.T., and Sulprizio, M.P.Satellite measurements of carbon dioxide (CO2) provide an important tool to improve our understanding of the global carbon cycle in a changing climate ... MORE »
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Analyzing Trends in Science Publications to Determine Impact – Earth Science, Planetary Science, and Astrophysics
Coward, C., Waliser, D.E., Daniels, A., Tran, V., Conover, S., Blacksberg, J., and Siahaan, L.Historical and recent trends in the publication of research results can be informative for the assessment of a science organization’s workforce, its funding and programmatic support, and its overall accomplishments, and be helpful for strategic planning for the coming decades ... MORE »
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Annual Coral Δ14C from Tobago Reveals a Possible Shift in Surface Water Circulation in the Tropical North Atlantic Since the Early 2000s
Ong, M.R., Goodkin, N., Guppy, R., and Hughen, K.A. The Atlantic Meridional Overturning Circulation (AMOC) is a large network of warm surface and cool deep ocean currents mainly responsible for the mass poleward transport and redistribution of heat and salt ... MORE »▲
Climate-Driven Variability of the Oceanic N2O Flux From the ECCO-DARWIN Data-Assimilative Global-Ocean Biogeochemistry Model
Ma, K., Liu, Y., Manizza, M., Menemenlis, D., Zhang, K.Q., Yang, Q., and Feng, Y. Nitrous oxide (N2O) is a long-lived potent greenhouse gas with the Global Warming Potential (GWP) ~300 times higher than that of CO2 ... MORE »▲
Decadal Strategy for Coastal Observation and Management
Gierach, M., Shah, R., Hamlington, B., David, C., Lee, C., Adams, K., Rodriguez, A., Denbina, M., Fournier, S., Bloom, A., Parazoo, N., Menemenlis, D., Simard, M., Pavlick, R., and Misra, S. Coasts are crucial for human livelihood, occupying a small fraction of the Earth’s land surface yet supporting a significant majority of the global population within a short distance and generating a substantial portion of the world's GDP through ecosystem goods and services like agriculture, aquaculture, fisheries, tourism, transportation, and energy industries ... MORE »▲
Decadal Variability of Marine Heatwaves in the Southwest Indian Ocean
Kamp, W., and Han, W. Marine HeatWaves (MHWs) have a wide range of impacts, from destruction of local marine ecosystems to extreme precipitation events via teleconnections ... MORE »▲
Developing and Validating a Model of the Salish Sea for Simulating Ocean Alkalinity Enhancement on GPUs with Oceananigans + OceanBioME
Tamsitt, V., Long, J., Kirk, J., Ringham, M., and Vance, J. Novel open source ocean model code, Oceananigans, has been developed in Julia by the Climate Modeling Alliance (CliMA) providing greatly enhanced user-friendliness and modularity, and leveraging GPU acceleration for unprecedented computational speed ... MORE »▲
Diagnosis of Equatorial Pacific Richardson Numbers in High-Resolution Global-Ocean Simulations
Halpern, D., Zhang, K., and Menemenlis, D. At the Equator in the upper ocean in the Pacific Ocean, the South Equatorial Current flows westward at the surface at 0 ... MORE »▲
Differences in Calculated OAE-Efficiency Between the CESM2/MARBL and ECCO-Darwin Circulation Models
Tyka, M., and Zhou, M.Induction of a sea-surface CO2 deficit through alkalinity-based (OAE) or direct CO2 removal methods has been recognized as a promising approach to meet the projected need for negative emissions ... MORE »
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Estimating the Unobserved: West Antarctic State Estimation Using the Ice-sheet and Sea-level System Model (ISSM), 1992-2023
Cheng, D.L.-C., Fenty, I.G., Larour, E.Y., and Schlegel, N.J. Improving estimates of ice/ocean parameters and states reduces sea level change uncertainty ... MORE »▲
Evaluating Wind-Ice Coupling in ECCO
Ahmed, A., Watkins, D., and Wilhelmus, M.M. Sea ice modulates the atmosphere-ocean energy exchange ... MORE »▲
Evaluation of Surface Heat Flux Products Using Long-Term Moored Data on the West Florida Shelf
Sorinas Morales, L., Weisberg, R.H., Liu, Y., Chambers, D.P., and Law, J. The net surface heat flux and its constituents from six global products were evaluated using long-term moored observations on the West Florida Continental Shelf (WFS), as part of the Coastal Ocean Monitoring and Prediction System (COMPS) maintained by the College of Marine Science, University of South Florida ... MORE »▲
Evaluation of Tropical Instability Waves Activity and Associated Nonlinear Feedbacks on Pacific Climate in Multiple High-Resolution Models and Reanalysis Datasets
Xue, A., Stevenson, S., Boucharel, J., and Jin, F.-F. Tropical instability Waves (TIWs) dominate intraseasonal variability in the tropical Pacific Ocean, and strongly impact tropical ocean dynamics and marine ecosystems as well as modulating tropical climate variability ... MORE »▲
Exploring the Application of Image Super-Resolution Machine Learning Algorithms to Climate Data Downscaling.
Maxwell, T.P., Li, J., Carroll, M., and Wang, J.The limited spatial resolution of GCMs hampers the study of critical physical processes such as precipitation in river basins and extreme typhoons, which severely hinders the assessment of the impact of climate events on local scales ... MORE »
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Global Ocean Reanalysis CORA2 and its Inter Comparison with a Set of Other Reanalysis Products
Fu, H., Gao, Z., Wu, X., Dan B., Zhang, L., Yang, Z., and Chao, G. We present the China Ocean ReAnalysis version 2 (CORA2) in this paper ... MORE »▲
Ice-Sheet Melt Drives Vigorous Nutrient Upwelling and Enhanced Coastal Productivity at Sermeq Kujalleq, Greenland’s Most Active Glacier
Wood, M., Carroll, D., Fenty, I.G., and Parker, T. Over the past several decades, increasing Arctic air temperatures have caused extensive melt on the surface of the Greenland Ice Sheet ... MORE »▲
Improving Seafloor Representation in Ocean Models from the Shore to the Abyss: A Computationally Efficient and Universal Approach
van der Zant, H., Le Fouest, V., Carroll, D., Middelburg, J., Menemenlis, D., and Suselj, K. Ocean biogeochemistry is currently subject to a number of alterations driven by human activities, including warming and acidification, eutrophication, and deoxygenation ... MORE »▲
Indications of Improved Seasonal Sea Level Forecasts for the U.S. East and Gulf Coasts Using Ocean-Dynamic Persistence
Feng, X., Widlansky, M.J., Lee, T., Wang, O., Balmaseda, M., Zuo, H., Dusek, G., Sweet, W., and Stuecker, M.F. Forecasting seasonal sea level variability along the U ... MORE »▲
Modeling the Pathway of Atlantic Water and the Impact of Glacial Discharge
Otani, W., Nakayama, Y., Wood, M., Fenty, I.G., Wekerle, C., and Mensah, V. Mass loss from the Greenland ice sheet (GrIS) has been increasing for the past decades ... MORE »▲
Monitoring Present-Day Ocean Carbon Cycling Response to Terrestrial Biogeochemical Fluxes with the ECCO-Darwin Data-Assimilative Global Ocean Biogeochemistry Model
Savelli, R., Carroll, D., Menemenlis, D., Lauderdale, J.M., Dutkiewicz, S., Manizza, M., Bloom, A.A., Castro-Morales, K., Miller, C.E., Simard, M., Bowman, K.W., and Zhang, H. While the Estimating the Circulation and Climate of the Ocean-Darwin (ECCO-Darwin) ocean biogeochemistry state estimate has demonstrated outstanding capabilities in representing space-time variability in global-ocean carbon cycling, it uses a simplified implementation of terrestrial discharge that does not contain biogeochemistry (i ... MORE »▲
Observations of Vertical Secular Deformation in the Offshore Hikurangi Subduction Zone
Fredrickson, E.K., Wallace, L.M., and Webb, S.C. In October 2022, we deployed a seafloor pressure geodetic network on the Hikurangi Subduction Zone, offshore the Gisborne region of New Zealand’s north island ... MORE »▲
Precipitation and Ventilation Within Circumpolar Waters of the Eastern Amundsen Sea
Loose, B., Cousens, V., Nakayama, Y., and Kowalski, L. The Amundsen Sea region has exhibited some of the fastest glacial thinning and retreat in all of Antarctica yielding large inputs of freshwater to the region as well as downstream ... MORE »▲
PyDAP Revisited: Exploiting OPeNDAP’s Data-Proximate Transformation Tools for Accelerate Scientific Workflows
Jimenez-Urias, M., and Gallagher, J.H.R.OPeNDAP is an open-source software broadly used by the scientific community and agencies, educational and research institutions, and the private sector, to freely and efficiently share data across the web or the commercial cloud ... MORE »
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Scale-Dependent Drivers of Air-Sea CO2 Flux Variability Using the ECCO-Darwin Model
Fay, A.R., Carroll, D., McKinley, G.A., Menemenlis, D., and Zhang, H. In climate studies, it is of great interest to separate changes driven by natural modes inherent to the system of interest as opposed to changes due to external forcings ... MORE »▲
SIF Opens New Frontiers for Quantifying the Phytoplankton Response to Climate-Driven Arctic Ocean Transformations
Madani, N., Parazoo, N., Manizza, M., Chatterjee, A., Carroll, D., Menemenlis, D., Le Fouest, V., Matsuoka, A., Luis, K., Pompei, C., and Miller, C.The observed and projected decline in Arctic sea-ice extent has significant ecological consequences ... MORE »
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Structured Noise in AMSR-E SST Fields and Its Impact on Their Deconvolution
Mazumder, A., Cornillon, P.C., Puggioni, G., and Alvarez, M. AMSR-E fields, like those of many other satellite-borne microwave instruments, are grossly oversampled ... MORE »▲
Taking Stock of Stocks: A Community-driven Roadmap for More Effective Assessment of Carbon Stocks
Carroll, D., Parazoo, N., Randerson, J., et al.The Paris Agreement calls for stabilizing climate at 1 ... MORE »
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The Impact of Mackenzie River Colored Dissolved Organic Matter (CDOM) on Coastal Arctic Ocean Carbon Cycling
Bertin, C., Le Fouest, V., Carroll, D., Menemenlis, D., and Miller, C.E. Rivers flowing into the Arctic Ocean (AO) drain an area exceeding 12 million km2 ... MORE »▲
The Potential of the OCO-2 Observations to Constrain Air-Sea CO2 Fluxes
Yun, J., Liu, J., Bowman, K., Resplandy, L., and Carroll, D. The measurements of column-averaged atmospheric CO2 concentration (XCO2) from the Orbiting Carbon Observatory-2 (OCO-2) have the potential to provide additional observational constraints on air-sea CO2 fluxes by filling the gap in direct ocean measurements ... MORE »▲
Three Atmospheric Patterns Dominate Decadal North Atlantic Meridional Overturning Circulation Variability (Invited)
Amrhein, D.E., Stephenson, D., and Thompson, L. Variability in the Atlantic Meridional Overturning Circulation (AMOC) arises from interacting processes with multiple time scales, with dominant processes dependent on both the latitude and timescale of interest ... MORE »▲
Towards Improved Ocean and Sea Ice Estimates in the Polar Regions
Ponte, R.M., Zhao, M., Fenty, I.G., Fukumori, I., and Wang, O. The behavior of the oceans and sea ice in the high latitude polar regions can be a harbinger of global climate change, but the spatiotemporal variability of such regions continues to be difficult to monitor and estimate ... MORE »▲
Understanding Iceberg Melt Rates at Local to Regional Scales: Insights from Observational data and Modeled Ocean Forcings
Aman K.C., Enderlin, E.M., Wood, M., Carroll, D., Moon, T.A., Friel, A., and Welk, I. 50% of the Greenland Ice Sheet’s mass loss is through ice discharged as icebergs, which are a crucial source of freshwater to fjords ... MORE »▲
Understanding the Southern Ocean Through Model-Data Synthesis
Nakayama, Y., Malyarenko, A., Zhang, H., Wang, O., Auger, M., Fenty, I.G., Mazloff, M.R., Koehl, A., and Menemenlis, D. Global and basin-scale ocean reanalyses are becoming easily accessible and are utilized widely to study the Southern Ocean ... MORE »▲