Pratigya J. Polissar
Lamont Doherty Earth Observatory, Palisades, NY
Activity
2019
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NO CHANGE IN CLUMPED ISOTOPE TEMPERATURES DURING C4 GRASSLAND EXPANSION IN THE MEADE BASIN, KANSAS, DURING THE PLIOCENE
T15 Landscape Responses to Neogene Climate ChangeSunday, 22 September 20198:00 AM - 12:00 PMRoom 228AB, North Building
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MOLECULAR INSIGHTS ON FIRE ECOLOGY AND CARBON CYCLING DURING THE NEOGENE C4 EXPANSION IN AUSTRALIA
T15 Landscape Responses to Neogene Climate ChangeSunday, 22 September 20198:00 AM - 12:00 PMRoom 228AB, North Building
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PLIOCENE PALEOENVIRONMENTS IN THE MEADE BASIN, SOUTHWEST KANSAS
T15 Landscape Responses to Neogene Climate ChangeSunday, 22 September 20198:00 AM - 12:00 PMRoom 228AB, North Building
2018
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PALEOENVIRONMENTAL CONTEXTS OF HOMININ EVOLUTION: RECONCILING AFRICAN WET-DRY CYCLES AND SECULAR VEGETATION TRENDS OVER THE NEOGENE
223 Human Evolution and Environmental History in Africa: 25 Years of Transformative ResearchWednesday, 7 November 20188:00 AM - 12:00 PMSagamore Ballroom 5
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ADVANCES IN MOLECULAR BIOMARKER ANALYSES OF TERRESTRIAL AND MARINE SEDIMENTS FOR RECONSTRUCTING NEOGENE HOMINID ENVIRONMENTS
223 Human Evolution and Environmental History in Africa: 25 Years of Transformative ResearchWednesday, 7 November 20188:00 AM - 12:00 PMSagamore Ballroom 5
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HOLOCENE MONSOON RAINFALL AND LAKE LEVELS IN GALANG CO, SOUTHEASTERN TIBET
T61 Lakes through Space and Time IISunday, 4 November 20181:30 PM - 5:30 PMRoom 134
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INFERRED HOLOCENE MONSOON RAINFALL AND LAKE LEVELS IN EASTERN TIBETAN LAKES
28 D1. Environmental Geoscience (Posters)Tuesday, 17 April 20188:00 AM - 5:30 PMFirst Floor Lobby
2017
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MEASUREMENTS, METHODS, AND MOTIVATIONS: INSIGHTS ON MG/CA FROM INDIVIDUAL FORAMINIFERA
T302 Insights from Microfossils, from Traditional to Novel ApproachesWednesday, 25 October 20178:00 AM - 12:00 PMRoom 609
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STEP-WISE COOLING IN THE HIGH NORTH ATLANTIC OVER THE PAST 17 MILLION YEARS
T269 Miocene–Pliocene Terrestrial Ecosystem Response to the Climate System (Posters)Tuesday, 24 October 20179:00 AM - 6:30 PMHalls 4EF
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THE OSCILLATING FRINGE OF THE EAST ASIAN MONSOON
T102 Lacustrine Systems across Space and Time IMonday, 23 October 20178:00 AM - 12:00 PMRoom 307/308
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THE NEOGENE EXPANSION OF C4 DOMINATED ECOSYSTEMS: AN AUSTRALIAN PERSPECTIVE
T9 Miocene–Pliocene Terrestrial Ecosystem Response to the Climate System ISunday, 22 October 20178:00 AM - 12:00 PMRoom 609
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TRACKING CHANGES IN INDIAN SUMMER MONSOON INTENSITY USING PRECIPITATION AND LAKE LEVEL PROXIES FROM EASTERN TIBET
69 Paleolimnological Studies of Climate Variability and Environmental Response (Posters)Tuesday, 21 March 20171:30 PM - 5:30 PMGrand Ballroom, 17th Floor
2016
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PLIO-PLEISTOCENE PALEOENVIRONMENTAL RECORD OF THE MEADE BASIN, SOUTHWEST KANSAS
T24 Cenozoic Geology of the Great Plains and Western United States: Toward an Integrated Understanding of a Sedimentary, Paleoecologic, and Geohydrologic SystemSunday, 25 September 20168:00 AM - 12:00 PMRoom 402
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HOW DO STABLE CARBON ISOTOPE VALUES OF VEGETATION AND BULK SOIL ORGANIC MATTER RECORD WET VERSUS DRY CONDITIONS IN THE SHORTGRASS PRAIRIE ECOSYSTEM OF SOUTHWESTERN KANSAS, USA?
T83 Cenozoic Geology of the Great Plains and Western United States: Toward an Integrated Understanding of a Sedimentary, Paleoecologic, and Geohydrologic System (Posters)Sunday, 25 September 20169:00 AM - 5:30 PMExhibit Hall E/F
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VARIABILITY IN THE INDIAN SUMMER MONSOON PRECIPITATION AND LAKE LEVELS IN EASTERN TIBET
18 Limnogeology and Paleoclimatology—Investigating Past Environments and Reconstructing Past Climates (Posters)Monday, 18 April 20161:30 PM - 5:30 PMIllinois Ballroom AB
2015
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PLANT WAX BIOMARKERS IN LATE NEOGENE PALEOSOLS AS ARCHIVES OF GREAT PLAINS VEGETATION
T285 Paleosol Case Studies: Resurrecting Ancient Critical Zones through Space and TimeWednesday, 4 November 20158:00 AM - 12:00 PMRoom 345/346
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EVIDENCE FROM PLANT WAX BIOMARKERS FOR ECOLOGICALLY-DRIVEN EVOLUTIONARY EVENTS AT 2.8 MA IN THE LOWER OMO VALLEY, ETHIOPIA
T101 African Environments across Space and through Time: Integrating Modern and Ancient Climate Data for Insights into Terrestrial Ecosystem DynamicsMonday, 2 November 20158:00 AM - 12:00 PMRoom 331/332
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CHANGING VEGETATION IN NORTHEAST AFRICA: PLANT WAX CARBON ISOTOPE RATIOS INDICATE LATE MIOCENE APPEARANCE OF C4 GRASSES
40 Paleoclimatology/Paleoceanography (Posters)Sunday, 1 November 20159:00 AM - 5:30 PMExhibit Hall
2014
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LATE MIOCENE RISE OF MODERN VEGETATION AND HYDROLOGICAL GRADIENTS IN NW AFRICA FROM LEAF WAX BIOMARKERS
T292 Paleoenvironmental Reconstruction of Hominin Sites: Techniques—From the Unique and New to the Tried and TrueWednesday, 22 October 20148:00 AM - 12:00 PM207
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TEMPERATURE CHANGES AND GREAT PLAINS ECOSYSTEM EVOLUTION DURING THE MIOCENE TO THE HOLOCENE IN MEADE BASIN, KANSAS
T228 Critical Earth-Life Transitions: The Marine Perspective (Posters)Tuesday, 21 October 20149:00 AM - 6:30 PMExhibition Hall C
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NEOGENE TO RECENT PALEOPRECIPITATION ESTIMATES IN THE MEADE BASIN, SOUTHWEST KANSAS, FROM ELEMENTAL RATIOS AND ROCK MAGNETIC PROPERTIES IN PALEOSOLS AND MODERN SOILS
T253 Proxies for PaleoprecipitationTuesday, 21 October 20141:00 PM - 5:00 PM207
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THE PLATE BOUNDARY THRUST OF THE 2011 MW 9.0 TOHOKU EARTHQUAKE: ORIGIN OF THE SCALY PELAGIC CLAY THAT ALLOWED SHALLOW SLIP PROPAGATION AND TSUNAMI GENERATION
T90 Megathrusts: 50 Years after the 1964 Great Alaska Earthquake—In Honor of George PlafkerMonday, 20 October 20148:00 AM - 12:00 PM116/117
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THE PAST 4.5 MILLION YEARS OF SMALL MAMMAL EVOLUTION IN THE GREAT PLAINS: USING MULTIPLE PROXIES TO TEST THE RELATIVE ROLES OF BIOTIC AND ENVIRONMENTAL FACTORS
T76 Critical Earth-Life Transitions: The Terrestrial PerspectiveSunday, 19 October 20141:00 PM - 5:00 PM215/216
2013
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PLANT WAX BIOMARKERS IN FLUVIAL-LACUSTRINE SEDIMENTS FROM EAST AFRICA: PRESERVATION, ABUNDANCE, AND FEASIBILITY FOR PALEOCLIMATE RECONSTRUCTIONS
T187 Paleoclimate and Biotic Change in Africa, Mesozoic to the PresentMonday, 28 October 20131:00 PM - 5:00 PMRoom 605
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SIDERITE AS A MORE ROBUST PALEOELEVATION PROXY: OIYUG BASIN, SOUTHERN TIBETAN PLATEAU
T61 Paleotopography (Posters)Sunday, 27 October 20139:00 AM - 6:30 PMHall D
2011
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PALEOALTIMETRY OF THE TIBETAN PLATEAU
T52 Toward a Better Understanding of the Uplift History and Mechanisms of the Tibetan PlateauSunday, 9 October 20111:30 PM - 5:30 PMRoom 200DE
2010
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USING ORGANIC MOLECULES IN FAULT ROCKS TO INVESTIGATE FRICTIONAL HEATING
T173 Where Does Earthquake Physics Meet Earthquake Geology?Tuesday, 2 November 20108:00 AM - 12:00 PMLobby F