Julio Sepulveda
University of Colorado Boulder, Boulder, CO
Activity
2024
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RESOLVING THE DRIVER OF THE END-CRETACEOUS MASS EXTINCTION USING SEDIMENTARY MERCURY GEOCHEMISTRY: VOLCANISM VERSUS IMPACT
41 Undergraduate Research Poster Session I (Posters)Tuesday, 16 April 20248:00 AM - 12:00 PMGrand Ballroom
2023
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DIACHRONOUS RECOVERY OF DIFFERENT PLANKTON GROUPS FOLLOWING THE END-CRETACEOUS MASS EXTINCTION
T259 Mass Extinctions as Natural Experiments in Earth System Perturbations IIWednesday, 18 October 20231:30 PM - 5:30 PM301 / 302
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HOLOCENE MOBILIZATION OF PERMAFROST ORGANIC CARBON WITHIN A NORTHEASTERN BAFFIN ISLAND LAKE CATCHMENT MODULATED BY CLIMATE AND POSTGLACIAL SOIL DEVELOPMENT
T202 Lakes of the World through Time and Space II: Archives of Climate Variability, Paleoenvironment, Geohazards, and Economic ResourcesTuesday, 17 October 20231:30 PM - 5:30 PM334
2022
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DID NON-FOSSILIZING PLANKTON RULE THE OCEANS AFTER THE END CRETACEOUS MASS EXTINCTION?
T169 Oceans and Climates through Earth History: From Proxy Reconstructions to Model Assessments (Posters)Tuesday, 11 October 20229:00 AM - 1:00 PMExhibit Hall F
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HOLOCENE TERRESTRIAL AND LACUSTRINE CARBON CYCLING HISTORY OF NORTHEASTERN BAFFIN ISLAND, ARCTIC CANADA
T96 New Perspectives for Reconstructing Past Arctic Environments: Climate, Ecosystems, and Depositional Systems (Posters)Monday, 10 October 20229:00 AM - 1:00 PMExhibit Hall F
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USING RAMPED PYROLYSIS OXIDATION TO ASSESS BULK SEDIMENT RADIOCARBON GEOCHRONOLOGY AND CARBON CYCLING IN AN ARCTIC LAKE CATCHMENT
29 Glacial Geology and Proxy Records in Northeastern North America and Beyond (Posters)Monday, 21 March 20228:00 AM - 12:00 PMFreedom Hall A
2021
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INSIGHTS INTO K-PG EXTINCTION MECHANISMS USING AN EARTH SYSTEM MODEL
T241 The Cretaceous–Paleogene Boundary: From Impact Cratering Processes to Mass Extinction MechanismsWednesday, 13 October 20211:30 PM - 5:30 PMD139/D140
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STABLE ISOTOPES OF PLANT WAXES IN THE NORTHERN TROPICAL ANDES: A PROXY FOR PALEOLATIMETRY STUDIES IN COLOMBIA?
130 D13. Recent Advances in Paleoclimatology/PaleoceanographyTuesday, 12 October 20218:00 AM - 12:00 PMD137
2020
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PHYTOPLANKTON RESILIENCE TO GLOBAL CHANGE: BIOMARKER LESSONS FROM THE GEOLOGIC RECORD
T163 Surf to Sea, Small to Large, Bottom to Top: Ecosystem Perspectives on the Marine Fossil Record IIWednesday, 28 October 20205:30 PM - 8:00 PMMeeting Rooms
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THE ROLE OF THE MARINE BIOLOGICAL PUMP IN DRIVING ECOSYSTEM RECOVERY FOLLOWING THE CRETACEOUS-PALEOGENE (K-PG) MASS EXTINCTION EVENT
T163 Surf to Sea, Small to Large, Bottom to Top: Ecosystem Perspectives on the Marine Fossil Record IIWednesday, 28 October 20205:30 PM - 8:00 PMMeeting Rooms
2019
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COASTAL AND NERITIC FORAMINIFERA OF UTAH: A RECORD OF OCEANIC ANOXIC EVENT 2 (~94-93 MA) IN THE US WESTERN INTERIOR SEA
T223 Cushman Foundation Symposium: Addressing Coastal Concerns with Micropaleontological Applications to Environmental Proxies, Reconstructions, and Deep-Time AnalogsTuesday, 24 September 20191:30 PM - 5:30 PMRoom 228AB, North Building
2018
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A HIGH-RESOLUTION RECORD OF MARINE PRODUCTIVITY AND CARBON CYCLING ACROSS OCEANIC ANOXIC EVENT 2 IN THE WESTERN INTERIOR SEAWAY
T235 Earth-Life Transitions: Critical Information from Deep Time to Manage Future Environmental ChangeWednesday, 7 November 20188:00 AM - 12:00 PMRoom 143-144
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COLDER OR DRIER? THE LATE CENOMANIAN PLENUS EVENT IN NORTH AMERICA
T235 Earth-Life Transitions: Critical Information from Deep Time to Manage Future Environmental ChangeWednesday, 7 November 20188:00 AM - 12:00 PMRoom 143-144
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THE SIGNIFICANCE OF CALCAREOUS NANNOPLANKTON “BOOM-BUST” SUCCESSIONS FOLLOWING THE K-PG MASS EXTINCTION EVENT: NEW INSIGHTS FROM EL KEF, TUNISIA
T62 Insights from Microfossils, Palynology, and Their Modern Analogs: From Traditional to Emerging TechniquesSunday, 4 November 20181:30 PM - 5:30 PMRoom 140
2016
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AN INVESTIGATION OF PALEO-WILDFIRES DURING THE CRETACEOUS-PALEOGENE (K-PG) BOUNDARY AT EL KEF, TUNISIA
T335 Marine and Terrestrial Records of Extreme Climates and Extinction: Making Sense of Similarities and Differences (Posters)Wednesday, 28 September 20169:00 AM - 6:30 PMExhibit Hall E/F
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A HIGH-RESOLUTION ORGANIC GEOCHEMICAL STUDY OF OAE2 IN THE U.S. WESTERN INTERIOR SEAWAY
T311 Marine and Terrestrial Records of Extreme Climates and Extinction: Making Sense of Similarities and DifferencesWednesday, 28 September 20161:30 PM - 5:30 PMRoom 504
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AN ALTERNATIVE EXPLANATION TO THE INITIAL CARBON ISOTOPE EXCURSION AT ST. AUDRIE’S BAY DURING THE END-TRIASSIC MASS EXTINCTION AS INDICATED BY BIOMARKER ANALYSIS
269 Geochemistry IIWednesday, 28 September 20168:00 AM - 12:00 PMRoom 403
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TEMPERATURE CHANGE ACROSS THE CRETACEOUS/PALEOGENE BOUNDARY INFERRED FROM OXYGEN ISOTOPIC RATIOS IN FISH DEBRIS FROM EL KEF, TUNISI
T223 Influence of Volcanism on the Evolution of Cretaceous and Paleogene Marine Ecosystems and ClimateTuesday, 27 September 20161:30 PM - 5:30 PMRoom 505
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LATE CRETACEOUS CALCAREOUS NANNOFOSSIL ASSEMBLAGES OF THE TROPIC SHALE FORMATION DURING OCEANIC ANOXIA EVENT 2 (~93.9 MA) IN THE U.S. WESTERN INTERIOR SEAWAY
T264 Sedimentary, Paleobiologic, and Geochemical Studies of Deep Time Ocean-Climate Perturbations (Posters): Honoring the Scientific Contributions of Michael A. ArthurTuesday, 27 September 20169:00 AM - 6:30 PMExhibit Hall E/F