Climate change, variability and impacts in Central and South America

Andreu-Hayles, Laia

GC031
Climate change, variability and impacts in Central and South America

Session ID#: 247460

Session Description:

Documenting past and present climate variability is important to obtain a historical baseline for separating externally forced climate change from internal variability. The scarcity of observational climate data provides a challenge for evaluating present-day climate dynamics of the region and its teleconnections to the global climate system. This session welcomes studies based on paleoclimate reconstructions and model simulations over Central and South America, as well as the assessment of climate change impacts on ecosystems and human populations. Increases in the frequency and intensity of extreme events, future projections, changes in duration and spatial extent of the South American Monsoon or the Intertropical Convergence Zone, climate sensitivity of tropical forests, changes in the carbon cycle and glacier mass-balance, El Niño-Southern Oscillation reconstructions and climate impacts related to past volcanic eruptions are some examples of relevant topics. Presentations of new datasets, multidisciplinary methodological advances and novel educational outreach approaches are also welcome.

Co-Sponsor(s):

A - Atmospheric Sciences
B - Biogeosciences
PP - Paleoceanography and Paleoclimatology

Index Terms:

0439 Ecosystems, structure and dynamics [BIOGEOSCIENCES]
0473 Paleoclimatology and paleoceanography [BIOGEOSCIENCES]
1620 Climate dynamics [GLOBAL CHANGE]
1630 Impacts of global change [GLOBAL CHANGE]

Primary Convener: Laia Andreu-Hayles, ICREA CREAF / Columbia University, Lamont-Doherty Earth Observatory, Barcelona, Spain

Conveners: Mathias F Vuille, University at Albany, State University of New York, Department of Atmospheric and Environmental Sciences, Albany, United States, Dr. Bronwen L Konecky, Washington University in St Louis, Earth, Environmental, and Planetary Sciences, St. Louis, MO, United States and Nathan Stansell, Northern Illinois University, Department of Earth, Atmosphere and Environment, DeKalb, United States

Student/Early Career Convener: Zhiqiang Lyu, SUNY Albany, Albany, New York, UNITED STATES

Drying of the Panama Canal in a warming climate (1853594)

Samuel E. Munoz, Northeastern University, Marine & Environmental Sciences, Boston, MA, United States

Investigating Seasonal Precipitation and Its Driving Mechanisms in Tropical South America Since the Last Deglaciation (Invited) (1865755)

Boyang Zhao¹, James M Russell², Xiaojing Du³, Ansis Blaus⁴ and Mark B Bush⁴, (1)Brown University, Department of Earth, Environmental, and Planetary Sciences, Providence, RI, United States, (2)Brown University, Department of Earth, Environmental, and Planetary Sciences, Providence, United States, (3)George Mason University, Department of Atmospheric, Oceanic & Earth Sciences, Fairfax, United States, (4)Florida Institute of Technology, Institute for Global Ecology, Melbourne, United States

Influence of Precipitation-Induced Vegetation Changes on Heatwave Patterns in Semi-Arid Regions of South America (1867610)

Fadji Zaouna Maina, NASA Goddard Space Flight Center, Greenbelt, MD, United States and Sujay V Kumar, NASA Goddard Space Flight Center, Greenbelt, United States

Warming, Drying, and Forest Resilience: The Amazon under Quaternary Climate Extremes (1875350)

Ellen M Jorgensen¹, Boyang Zhao², James M Russell³, Cyrus Li³, Mark B Bush⁴ and Ansis Blaus⁴, (1)Brown University, Providence, RI, United States, (2)University of Massachusetts Amherst, Geosciences, Amherst, MA, United States, (3)Brown University, Department of Earth, Environmental, and Planetary Sciences, Providence, United States, (4)Florida Institute of Technology, Institute for Global Ecology, Melbourne, United States

Is Contemporary Glacier Retreat in Patagonia Unprecedented? Evidence from Cosmogenic Nuclide Measurements (1879644)

Esteban A Sagredo¹, Rodrigo León Soteres¹, Fabián Riquelme², Rodrigo Ignacio Hevia¹, María Puentes Nazal³, Catalina Guglielmetti¹, Roseanne Schwartz⁴ and Joerg M Schaefer⁵, (1)Pontifical Catholic University of Chile, Santiago, Chile, (2)Pontifical Catholic University of Chile, Geography, Santiago, Chile, (3)Pontifical Catholic University of Chile, Instituto de Geografía, Santiago, Chile, (4)Lamont-Doherty Earth Observatory, Earth and Environmental Sciences, Palisades, NY, United States, (5)Lamont-Doherty Earth Observ, Palisades, United States

Looking to the Past to Better Plan Our Future: ODP Site 1234 Chilean Margin (1886776)

Cadence Latsha, Kristen Williams and Leah H Joseph, Ursinus College, Environment & Sustainability, Collegeville, United States

The Role of Saharan Dust Deposition on the Paleoenvironment of Belize in the Holocene (1895022)

Aubrey L Hillman, University at Albany State University of New York, Atmospheric Sciences, Albany, NY, United States, Sumar Hart, University at Albany State University of New York, Atmospheric and Environmental Sciences, Albany, NY, United States, Mathias F Vuille, University at Albany, State University of New York, Department of Atmospheric and Environmental Sciences, Albany, United States, Zhiqiang Lyu, SUNY Albany, Albany, New York, UNITED STATES and Rob Rosenswig, University at Albany State University of New York, Anthropology, Albany, United States

Vapor Pressure Deficit Contributions to the Delayed Wet Season Onset in the Southern Amazon (1896942)

Alex Chang, University of California Los Angeles, Los Angeles, CA, United States and Rong Fu, University of California, Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA, United States

Glacial Landforms on Active Andean Volcanoes: Holocene glacier reconstructions from Southern Chile (1904362)

Yasmeen Orellana-Salazar¹, Shaun A Marcott², Marissa M Tremblay³, Matias Romero², Pablo Moreno-Yaeger², Sally Stevens¹, Emily Mixon¹, Andrew G Jones¹ and Dr. Aaron M Barth, PhD⁴, (1)University of Wisconsin Madison, Department of Geoscience, Madison, United States, (2)University of Wisconsin-Madison, Department of Geoscience, Madison, United States, (3)Purdue University, Department of Earth, Atmospheric, and Planetary Sciences, West Lafayette, IN, United States, (4)Rowan University, Glassboro, United States

Changing Climate and Current State of Glaciers in a Catchment of Central Chile: Insights From Reanalysis Dataset and Machine Learning Methods (1910607)

Dishant Sharma¹, Alfonso Fernández², Bryan G Mark³, Alex Haberlie⁴, Wei Luo⁵, Tal Shutkin⁶ and Nathan Stansell¹, (1)Northern Illinois University, Department of Earth, Atmosphere and Environment, DeKalb, United States, (2)Universidad de Concepción, Geography, Concepción, Chile, (3)Byrd Polar and Climate Research Center, The Ohio State University, Columbus, OH, United States, (4)Northern Illinois University, Department of Earth, Atmosphere, and Environment, DeKalb, United States, (5)Northern Illinois Univeristy, DeKalb, United States, (6)The Ohio State University, Byrd Polar and Climate Research Center, Columbus, United States

A 960-ky Marine-Based Reconstruction of the Patagonia Ice Sheet (1919011)

Samantha Claudia Bova¹, Julia Hagemann², Hailey Riechelson², Bradley Keith³, Vincent J Clementi² and Yair Rosenthal², (1)San Diego State University, Department of Earth and Environmental Sciences, San Diego, CA, United States, (2)Rutgers University, Department of Marine and Coastal Sciences, New Brunswick, United States, (3)San Diego State University, Department of Earth and Environmental Sciences, San Diego, United States

Hydroclimatic Variability and ITCZ Migration Over the Last Millennium Inferred from a New Speleothem Record in Northern Colombia using paleo data assimilation (1920996)

Derick Appiah Kubi, SUNY Albany, Albany, New York , UNITED STATES, Zhiqiang Lyu, SUNY Albany, Albany, New York, UNITED STATES, Veronica Ramirez, USP University of Sao Paulo, São Paulo, Brazil, Francisco William Cruz Sr., Universidade de São Paulo, Instituto de Geociências, São Paulo, Brazil, Haiwei Zhang, Institute of Global Environmental Change,Xi’an Jiaotong University, Xi'an, China, Hai Cheng, Institute of Global Environmental Change, Xi’an Jiaotong University, Xi'an, China, R. Lawrence Edwards, Nanjing Normal University, Dept. of Geography, Nanjing, China and Mathias F Vuille, University at Albany, State University of New York, Department of Atmospheric and Environmental Sciences, Albany, United States

Pacific and Atlantic Teleconnections Reduce Uncertainty in Multidecadal Projections of the South American Summer Monsoon (1925084)

Zhiqiang Lyu¹, Feng Shi², Yuanyuan Yang³, Aiguo Dai^4,5, Kevin Tyle⁶, Duncan Christie⁴, Mariano Morales⁷, Eugenia Ferrero⁸ and Mathias F Vuille⁹, (1)SUNY Albany, Albany, New York, UNITED STATES, (2)Institute of Geology and Geophysics, Chinese Academy of Sciences, Key Laboratory of Cenozoic Geology and Environment, Beijing, China, (3)Institute of Geology and Geophysics, Chinese Academy of Science, Beijing, China, (4)Instituto de Conservación-Biodiversidad y Territorio, Universidad Austral de Chile, Facultad de Ciencias Forestales y Recursos Naturales, Valdivia, Chile, (5)University at Albany, SUNY, Atmospheric and Environmental Sciences, Albany, United States, (6)SUNY at Albany, Albany, NY, United States, (7)El Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales, Mendoza, Argentina, (8)Instituto Argentino Nivologia, Glaciología y Ciencias Ambientales (IANIGLA), CCT-CONICET, C.C. 330, 5500 Mendoza, Argentina, Mendoza, Argentina, (9)University at Albany, State University of New York, Department of Atmospheric and Environmental Sciences, Albany, United States

The Role of Central and South American Mountains in Pervasive Global Climate Model Biases (Invited) (1926801)

Jane Wilson Baldwin, Lamont-Doherty Earth Observatory, Palisades, United States; University of California, Irvine, Earth System Science, Irvine, United States, Dervla Meegan Kumar, University of California, Irvine, Irvine, United States, Alyssa R. Atwood, Florida State University, Earth, Ocean, and Atmospheric Sciences, Tallahassee, United States, David Battisti, University of Washington, Department of Atmospheric and Climate Science, Seattle, United States, Chris Colose, NASA Goddard Institute for Space Studies, New York, United States, Gregory Elsaesser, Columbia University/NASA GISS, New York, United States, Jared Sexton, University of California, Irvine, Department of Earth System Science, Irvine, United States, Gabriel Andres Vecchi, Princeton University, Department of Geosciences and The High Meadows Environmental Institute, Princeton, NJ, United States and Jingbo Wu, Columbia University, New York City, United States

A multicentury tree-ring chronology from Abies guatemalensis in Central America (1929983)

Ana Isabel Gonzalez Mendez¹, Dr. Kevin J. Anchukaitis², Diego Pons³ and Kiyomi Morino², (1)University of Arizona, School of Geography, Development and Environment, Tucson, United States, (2)University of Arizona, Laboratory of Tree-Ring Research, Tucson, United States, (3)University of Denver, Department of Geography and the Environment, Denver, United States

High Andean hydroclimate variability response under different boundary conditions: a comparison between the Holocene, MIS 7 and MIS 11 (1932237)

Laura Lopera Congote¹, Molly O'Beirne², Donald T Rodbell³, Mark B Abbott¹ and Josef P. Werne², (1)University of Pittsburgh, Department of Geology and Environmental Science, Pittsburgh, PA, United States, (2)University of Pittsburgh, Department of Geology and Environmental Science, Pittsburgh, United States, (3)Union College, Geosciences, Schenectady, United States

The South American Monsoon System and Northeast Brazil Climatological Rainfall (1932806)

Victor Arraes Rocha Felix, University of Georgia, Athens, GA, United States, David Porinchu, University of Georgia, Department of Geography, Athens, GA, United States, Andrew Grundstein, University of Georgia, Athens, United States, Thomas L Mote, Univ Georgia, Athens, GA, United States and Donald R Nelson, University of Georgia, Department of Anthropology, Institute for Resilient Infrastructure Systems, Athens, GA, United States

Exploring the last two Millennia of Climate & Environmental Change in Central Chile: Insights from Lago NN Tantauco (42.8°S), Isla Grande de Chiloe (1934571)

Godspower Ubit¹, Molly O’Beirne¹, Sergio Contreras², Alberto Araneda³ and Josef P. Werne⁴, (1)University of Pittsburgh, Geology and Environmental Science, Pittsburgh, United States, (2)Universidad Católica de la Santísima Concepción, Departamento de Química Ambiental, Facultad de Ciencias, Concepción, Chile, (3)Universidad de Concepción, Departamento de Sistemas Acuáticos, Facultad de Ciencias Ambientales y Centro EULA-Chile, Concepción, Chile, (4)University of Pittsburgh, Department of Geology and Environmental Science, Pittsburgh, United States

Hydrological changes from Lake Tota (Colombia) during the last 20,000 years and its paleoclimatic implications (1949529)

Gloria Alejandra Rodriguez Abaunza¹, Broxton W Bird¹, Jaime Escobar², Byron A Steinman³, Dr. Bronwen L Konecky⁴, Alessandro Mauceri⁵, Angel Gammon⁶ and Hector Fonseca⁷, (1)Indiana University Indianapolis, Earth and Environmental Sciences, Indianapolis, United States, (2)Universidad del Norte, Ingeniería Civil y Ambiental, Barranquilla, Colombia, (3)University of Minnesota Duluth, Earth and Environmental Sciences and Large Lakes Observatory, Duluth, United States, (4)Washington University in St Louis, Earth, Environmental, and Planetary Sciences, St. Louis, MO, United States, (5)University of Chicago, Department of the Geophysical Sciences, Chicago, IL, United States, (6)Indiana University Indianapolis, Sociology, Indianapolis, United States, (7)Universidad Pedagógica y Tecnológica de Colombia, Escuela de Ingeniería Geológica, Sogamoso, Colombia

Orbital-Scale Hydroclimate Dipole in Tropical South America During the Last Deglaciation: Local vs. Remote Forcing (1963115)

Xiaojing Du, George Mason University, Department of Atmospheric, Oceanic & Earth Sciences, Fairfax, United States, James M Russell, Brown University, Department of Earth, Environmental, and Planetary Sciences, Providence, United States, Zhengyu Liu, The Ohio State University, Department of Geography, Columbus, United States, Bette L Otto-Bliesner, NSF National Center for Atmospheric Research, Boulder, United States, Chengfei He, Northeastern University, Department of Marine and Environmental Sciences, Boston, United States and Yuntao Bao, Ohio State University, Columbus, OH, United States

Investigating Moisture Sources and pathways for South American Rainfall with Variable-Resolution CESM: Mid-Holocene and Historical-to-Near-Future Perspectives (1965685)

Asiya Badarunnisa Sainudeen¹, Marcus Lofverstrom² and Diane Thompson², (1)University of Arizona, Department of Geosciences, Tucson, AZ, United States, (2)University of Arizona, Department of Geosciences, Tucson, United States

Mid-Cretaceous Paleosols From Southern Patagonia: Past Climate Gradients From Mid-To-High Paleolatitudes (1969488)

Sabrina Lizzoli, CONICET, Centro de Investigaciones Geológicas, La Plata, Argentina, Maria Sol Raigemborn, Universidad Nacional de La Plata, Centro de Investigaciones Geologicas, La Plata, Argentina, Augusto Varela, Y-TEC and CONICET, La Plata, Argentina and augusto varela

¹⁰Be Dating of Last Glacial Maximum Moraines and Subsequent Glacial Retreat in Chirripó National Park, Costa Rica (1972551)

Caleb Okpala¹, Alexandra B Farnell², Maxwell Cunningham², Meredith A Kelly¹, Adolfo Quesada-Román³, Liesel Robbins¹, Alice Doughty⁴, Michael R Kaplan⁵ and Victoria E Halvorson², (1)Dartmouth College, Department of Earth Sciences, Hanover, United States, (2)Dartmouth College, Department of Earth Sciences, Hanover, NH, United States, (3)University of Costa Rica, Department of Geography, San Jose, Costa Rica, (4)University of Maine, School of Earth & Climate Sciences, Orono, United States, (5)Lamont-Doherty Earth Observatory, Palisades, United States

Forest Dynamics in South America Under a Changing Climate: An Analysis Using ModelE-BiomeE with ERA5 (1973649)

Brycen Lynch^1,2, Shengjie Liu³, Kaleb Florence^3,4 and Ensheng Weng⁵, (1)Columbia University, Blacksburg, United States, (2)Virginia Polytechnic Institute and State University, Blacksburg, United States, (3)Columbia University, New York, United States, (4)Temple University, Philadelphia, United States, (5)Columbia University, Center for Climate Systems Research, New York, United States

RECONSTRUCTING LATE QUATERNARY HYDROCLIMATE AND VEGETATION CHANGE IN THE SOUTH-CENTRAL ANDEAN HIGHLANDS: EVIDENCE FROM FOSSIL RODENT MIDDENS (1977187)

Alejandra Domic¹, Jose M Capriles², Sarah Ivory³, Oscar Plata⁴ and Kerrick Deardorff², (1)Pennsylvania State University Main Campus, Department of Anthropology, University Park, United States, (2)Pennsylvania State University Main Campus, Anthropology, University Park, United States, (3)Pennsylvania State University Main Campus, Geosciences, University Park, United States, (4)Museo de Historia Natural, Bolivia, La Paz, Bolivia

Regional variability in moisture transport and recycling in Central America (1977701)

Talia Anderson, University of Minnesota, Minneapolis, United States; UCAR, Los Angeles, United States, Karen A McKinnon, University of California Los Angeles, Institute of Environment and Sustainability; Department of Statistics and Data Science; Department of Atmospheric & Oceanic Science, Los Angeles, United States, Ana Isabel Gonzalez Mendez, University of Arizona, School of Geography, Development and Environment, Tucson, United States, Diego Pons, University of Denver, Department of Geography and the Environment, Denver, United States and Dr. Kevin J. Anchukaitis, University of Arizona, Laboratory of Tree-Ring Research, Tucson, United States

Insights on hydroclimate variability in Nicaragua over the Medieval Climate Anomaly and Little Ice Age from coupled carbonate clumped (Δ₄₇) and triple oxygen (Δ¹⁷O) isotopes (1979247)

Brittany N Price, Middle Tennessee State University, Department of Geosciences, Murfreesboro, TN, United States, Naomi E. Levin, University of Michigan, Earth and Environmental Sciences, Ann Arbor, United States, Nathan Stansell, Northern Illinois University, Department of Earth, Atmosphere and Environment, DeKalb, United States and Naomi Levin

Paleoenvironmental Shifts During Mayan Cultural Transition in Northern Belize (1983084)

Sumar Hart¹, Aubrey L Hillman², Rob Rosenswig³ and Marilyn Masson³, (1)University at Albany State University of New York, Atmospheric and Environmental Sciences, Albany, NY, United States, (2)University at Albany State University of New York, Atmospheric Sciences, Albany, NY, United States, (3)University at Albany State University of New York, Anthropology, Albany, United States

Downscaling paleoclimate GCM data for use in glacier mass-balance modeling over the Junín Plain, Peru (1985833)

Shelby Turner¹, Nathan Stansell¹ and Tal Shutkin², (1)Northern Illinois University, DeKalb, IL, United States, (2)The Ohio State University, Byrd Polar and Climate Research Center, Columbus, United States

Stratocumulus trends and dynamics in the Southeast Pacific and the South Atlantic under present climate change (1992383)

José Vicencio Veloso¹, Christoph Böhm², Felipe Lobos Roco³, Vicente Espinoza⁴, Ulrich Löhnert², Jan Schween², Martin Stengel⁵, Jan Fokke Meirink⁶, Susanne Crewell⁷ and Marc Schröder⁸, (1)University of Cologne, Cologne, Germany, (2)University of Cologne, Institute of Geophysics and Meteorology, Cologne, Germany, (3)Wageningen University and Research Center, Meteorology and Air Quality, Wageningen, Netherlands, (4)Pontifical Catholic University of Chile, Instituto de Geografia, Santiago, Chile, (5)Deutscher Wetterdienst, Offenbach am Main, Germany, (6)Royal Netherlands Meteorological Institute, De Bilt, Netherlands, (7)University of Cologne, Institute for Geophysics and Meteorology, Cologne, Germany, (8)Deutscher Wetterdienst (DWD), Offenbach am Main, Germany

Holocene Maya Lowlands Climate Fluxes and Human Interactions through the lens of wetlands (1996468)

Timothy Beach, University of Texas at Austin, Department of Geography and the Environment, Austin, TX, United States, Sheryl Luzzadder-Beach, University of Texas at Austin, Department of Geography and the Environment, Austin, United States and Samantha Krause

Timing of Glacial Events at Paramo del Sol, Colombia using 10Be Surface Exposure Dating (2002609)

Peter Galloway¹, Meredith A Kelly², Sergio Andrés Restrepo-Moreno³, Gordon Bromley⁴, Joel Wilner¹, Santiago Noriega Sr.³ and Meredith Kelly: Dartmouth College, Department of Earth Sciences, (1)Dartmouth College, Department of Earth Sciences, Hanover, NH, United States, (2)Dartmouth College, Department of Earth Sciences, Hanover, United States, (3)Universidad Nacional de Colombia, Medellin, Antioquia, Medellin, Colombia, (4)National University of Ireland, Galway, Physical Geography, Galway, Ireland

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GC031 Climate change, variability and impacts in Central and South America

Session Description:

Co-Sponsor(s):

Index Terms:

GC031
Climate change, variability and impacts in Central and South America