PP022
Past climates and environments of Southeast Asia and The Indo-Pacific

Session ID#: 159173

Session Description:
Southeast Asia is home to one-fifth of the world’s population. This region and its surrounding oceans host multiple climate phenomena including East Asian Monsoon and the Indian Ocean Dipole, and they significantly shape regional and global climates. Due to anthropogenic warming, this region has experienced unprecedentedly increased weather extremes such as tropical storms, floods, droughts, and heatwaves. However, future local/regional climate and environment changes in Southeast Asia are poorly constrained due to the complexity of climate dynamics over land and Indo-Pacific oceans. Past climate and environment changes offer an opportunity to evaluate modern-future responses to anthropogenic climate change based on past responses to a wide geologic range of thermal states. We invite contributions that focus on past climate, hydroclimate, and terrestrial and marine environmental studies of Southeast Asia and the Indo-Pacific across all temporal scales. We welcome studies using archives, proxies, statistical analyses, modelings, as well as novel analytical techniques.
Index Terms:

1637 Regional climate change [GLOBAL CHANGE]
4223 Descriptive and regional oceanography [OCEANOGRAPHY: GENERAL]
4313 Extreme events [NATURAL HAZARDS]
4914 Continental climate records [PALEOCEANOGRAPHY]

Primary Convener:  Jarunetr (Nadia) Sae-Lim, Washington University in St Louis, Department of Earth and Planetary Sciences, St. Louis, MO, United States
Convener:  Ronnakrit Rattanasriampaipong, Texas A&M University College Station, Department of Oceanography, College Station, TX, United States
Student/Early Career Convener:  Jarunetr (Nadia) Sae-Lim, Washington University in St Louis, Earth and Planetary Sciences, St. Louis, MO, United States
 
200,000 Years Record of Denitrification in the Bay of Bengal (1107089)
Madhurima Ganguly, Presidency university, Kolkata, India, Kolkata, India and Supriyo Kumar Das, Presidency University, Kolkata, India, Department of Geology, Kolkata, India
 
Indian Ocean Warm Pool Variability during the Last 100 ka and Its Impact on Summer Monsoon Rainfall over Sri Lanka (1195887)
Pradeep N Ranasinghage, University of Ruhuna, Department of Oceanography and Marine Geology, Matara, Sri Lanka, Sachini M Ranasinghe, University of Peradeniya, Peradeniya, Sri Lanka and Tilak Hewawasam, Department of Geography, Faculty of Arts, University of Peradeniya, Peradeniya, Sri Lanka
 
Warm, not cold, temperatures were a major factor in the Late Miocene reef decline in the Coral Sea. (Invited) (1042611)
Benjamin Petrick, University Kiel, Institute of Geosciences, Kiel, Germany, Lars Reuning, CAU Kiel, Institute of Geosciences, Kiel, Germany, Gerald Auer, University of Graz, Department of Geobiology and Palaeoecology, Graz, Austria, Yige Zhang, Yale University, Department of Geology and Geophysics, New Haven, CT, United States, Miriam Pfeiffer, University of Kiel, Institute for Geosciences, Kiel, Germany and Lorenz Schwark, University of Kiel, Marine Science, Kiel, Germany
 
High-Altitude Tropical Cooling During the Last Glacial Maximum: Equilibrium Line Altitude Records from New Guinea (1067764)
Carly Peltier1, Alexandra B Farnell1, Lauren N. Kayari1, Meredith A Kelly1, Alice Doughty2 and Maxwell Cunningham1, (1)Dartmouth College, Department of Earth Sciences, Hanover, United States, (2)University of Maine, School of Earth & Climate Sciences, Orono, United States
 
Droughts, Pluvials, and Wet Season Timing across the Chao Phraya River Basin: a 254-Year Monthly Reconstruction from Tree Rings and δ18O (Invited) (1076273)
Hung Tan Thai Nguyen1, Stefano Galelli2, Chenxi Xu3 and Brendan Buckley1, (1)Lamont-Doherty Earth Observatory, Palisades, United States, (2)Singapore University of Technology and Design, Pillar of Engineering Systems and Design, Singapore, Singapore, (3)IGG Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China
 
Glacial changes in sea level modulated millennia-scale variability of the Southeast Asian autumn monsoon (1076640)
Elizabeth Weis Patterson1, Kathleen R Johnson2, Michael L Griffiths3, Christopher William Kinsley4, David McGee5, Tamara Pico6, Xiaojing Du7, Vanessa Skiba8, Annabel Wolf9, Vasile Ersek10, Kweku Afrifa Yamoah11, Mui Xuan12 and Thanh Bui12, (1)University of California Irvine, Earth System Science, Irvine, CA, United States, (2)University of California, Irvine, Earth System Science, Irvine, CA, United States, (3)William Paterson University, Department of Environmental Science, Wayne, United States, (4)Berkeley Geochronology Center, Berkeley, United States, (5)Massachusetts Institute of Technology, Earth, Atmospheric and Planetary Sciences, Cambridge, United States, (6)University of California Santa Cruz, Earth and Planetary Sciences, Santa Cruz, United States, (7)Brown University, Department of Earth, Environmental, and Planetary Sciences, Providence, RI, United States, (8)Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany, (9)University of California Irvine, Earth System Science, Irvine, United States, (10)Northumbria University, Geography and Environmental Sciences, Newcastle-Upon-Tyne, United Kingdom, (11)University of York, York, United Kingdom, (12)Phong Nha Ke Bang National Park, Department of Science and International Cooperation, Phong Nha, Vietnam
 
Drivers of Decadal Rainfall Variability in Mainland Southeast Asia: Insights from Tree-Ring Reconstructions and the Last Millennium Ensemble (1090846)
Shouyi Wang1,2, Caroline Ummenhofer2, Sujata A Murty2,3, Hung Tan Thai Nguyen4 and Brendan Buckley4, (1)Massachusetts Institute of Technology, Cambridge, United States, (2)Woods Hole Oceanographic Institution, Woods Hole, MA, United States, (3)University at Albany State University of New York, Albany, NY, United States, (4)Lamont-Doherty Earth Observatory, Palisades, United States
 
Climatic Influences on Lombok Strait Precipitation over the Past Two Centuries from Coral Ba/Ca (1109882)
Sujata A Murty, University at Albany State University of New York, Albany, NY, United States; Nanyang Technological University, Earth Observatory of Singapore, Singapore, Singapore, Nathalie Goodkin, Nanyang Technological University, Singapore, Singapore; American Museum of Natural History, New York, United States and Alit Wiguna, Balai Pengkajian Teknologi Pertanian, Bali, Indonesia
 
Assembly of Indonesian Rainforests during the last two glacial terminations (1118955)
Adam J. Benfield1, Janelle Stevenson2, Rebecca Hamilton2, Sarah Ivory3, Satria Bijaksana4, Hendrik Vogel5 and James M Russell6, (1)Pennsylvania State University Main Campus, Geosciences, University Park, PA, United States, (2)Australian National University, College of Asia & the Pacific, Canberra, Australia, (3)Pennsylvania State University Main Campus, Geosciences, University Park, United States, (4)Bandung Institute of Technology, Bandung, Indonesia, (5)University of Bern, Bern, Switzerland, (6)Brown University, Earth, Environmental, and Planetary Sciences, Providence, United States
 
Marine Heatwaves in the Indian Ocean during Recent Decades (1131912)
Lei Zhang, SCSIO South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China and Weiqing Han, Univ of Colorado, Boulder, CO, United States
 
High-resolution Climatic Signals from Oyster shells collected from a Shell midden, Andaman: signatures of ‘Neoglacial Cool period’ in India (1141548)
Torsa Sengupta, Indian Institute of Technology Kharagpur, Geology and Geophysics, Kharagpur, India, Arati Deshpande-Mukherjee, Deccan College Post Graduate and Research Institute, Pune, Pune, India, Ravi Bhushan, Physical Research Laboratory, Geosciences Division, Ahmedabad, India and Anindya Sarkar, Indian Institute of Technology Kharagpur, Geology & Geophysics, Kharagpur, India
 
Late Pleistocene Sunda Shelf Submersion Promotes Indian Summer Monsoon Interglacial-Glacial Variability (1153830)
Sarah Madeline McGrath1, Steven C Clemens1 and Yongsong Huang2, (1)Brown University, Earth, Environmental, and Planetary Sciences, Providence, RI, United States, (2)Brown University, Department of Earth, Environmental, and Planetary Sciences, Providence, RI, United States
 
Last Millennium Reconstruction of Thermocline Variability in the Makassar Strait, Indonesia - Implications for Large Scale Winds (1163393)
Muhammad Haikal Ezhar bin Abu Bakar, Boulder, CO, UNITED STATES, Delia Oppo, WHOI, Geology and Geophysics, Woods Hole, United States, Shouyi Wang, Massachusetts Institute of Technology, Cambridge, United States, Caroline Ummenhofer, WHOI, Woods Hole, MA, United States and Yair Rosenthal, Rutgers University, Department of Marine and Coastal Sciences, New Brunswick, NJ, United States
 
Pleistocene “Super-interglacials” and Hydroclimates of the Tropical Indo-Pacific Warm Pool (1172281)
Alexander Wilk1, James M Russell2, Meredith Parish1, Satria Bijaksana3 and Hendrik Vogel4, (1)Brown University, Department of Earth, Environmental, and Planetary Sciences, Providence, United States, (2)Brown University, Earth, Environmental, and Planetary Sciences, Providence, United States, (3)Bandung Institute of Technology, Bandung, Indonesia, (4)University of Bern, Bern, Switzerland
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