Articles | Volume 16, issue 19
https://doi.org/10.5194/gmd-16-5515-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-16-5515-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Model description paper
| 
04 Oct 2023
Model description paper |
| 04 Oct 2023
| 04 Oct 2023
All aboard! Earth system investigations with the CH2O-CHOO TRAIN v1.0
Department of Geosciences, Colorado State University, Fort Collins, CO, USA
Daniel E. Ibarra
Department of Earth, Environmental and Planetary Sciences, Brown University, Providence, RI, USA
Institute at Brown for Environment and Society, Brown University, Providence, RI, USA
Kimberly V. Lau
Department of Geosciences and Earth and Environmental Systems Institute, The Pennsylvania State University, University Park, PA, USA
Jeremy K. C. Rugenstein
CORRESPONDING AUTHOR
Department of Geosciences, Colorado State University, Fort Collins, CO, USA
Max Planck Institute for Meteorology, Hamburg, Germany
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Hamida Ngoma Nadoya, Clay R. Tabor, Ran Feng, Xiaoqing Liu, Daniel E. Ibarra, Tammo Reichgelt, and Amber Laskos
EGUsphere, https://doi.org/10.5194/egusphere-2026-899, https://doi.org/10.5194/egusphere-2026-899, 2026
This preprint is open for discussion and under review for Climate of the Past (CP).
Short summary
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The Miocene Climatic Optimum (MCO; ~17–14 Ma) may provide a window into the future of Earth’s climate. Our study employs the water isotope tracer version of CESM1 to simulate and evaluate climate during the MCO under three different CO2 concentrations. Our findings show warmer conditions during the MCO with increase in precipitation in the mid and high latitudes, southward shift of the intertropical convergence zone and enriched isotopes.
Livia Manser, Tyler Kukla, and Jeremy K. C. Rugenstein
Clim. Past, 20, 1039–1065, https://doi.org/10.5194/cp-20-1039-2024, https://doi.org/10.5194/cp-20-1039-2024, 2024
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The Great Plains host the single most important climatic boundary in North America, separating the humid east from the semi-arid west. How this boundary will move as the world warms holds implications for the societies and ecosystems of the Plains. We study how this boundary changed in the past during a period of globally warmer temperatures. We find that this climatic boundary appears to be in the same location as today, suggesting that the Great Plains climate is resilient to global changes.
Daniel E. Ibarra, Carlos Primo C. David, and Pamela Louise M. Tolentino
Hydrol. Earth Syst. Sci., 25, 2805–2820, https://doi.org/10.5194/hess-25-2805-2021, https://doi.org/10.5194/hess-25-2805-2021, 2021
Short summary
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We evaluate a recently published global product of monthly runoff using streamflow data from small tropical catchments in the Philippines. Using monthly runoff observations from catchments, we tested for correlation and prediction. We demonstrate the potential utility of this product in assessing trends in regional-scale runoff, as well as look at the correlation of phenomenon such as the El Niño–Southern Oscillation on streamflow in this wet but drought-prone archipelago.
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Short summary
The CH2O-CHOO TRAIN model can simulate how climate and the long-term carbon cycle interact across millions of years on a standard PC. While efficient, the model accounts for many factors including the location of land masses, the spatial pattern of the water cycle, and fundamental climate feedbacks. The model is a powerful tool for investigating how short-term climate processes can affect long-term changes in the Earth system.
The CH2O-CHOO TRAIN model can simulate how climate and the long-term carbon cycle interact...
