Dan O. Breecker
The University of Texas at Austin, Austin, TX
Activity
2023
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INVESTIGATING THE EFFECT OF SOIL RESPIRATION AND MICROBIAL CARBON USE EFFICIENCY ON SOIL CO2 AND O2 CONCENTRATIONS
T134 New Advances in GeobiologyMonday, 16 October 20231:30 PM - 5:30 PM325
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EARLY HOLOCENE CLIMATE AND VEGETATION ACROSS TEXAS USING OXYGEN AND CARBON ISOTOPES IN LAND SNAIL SHELLS
T105 Oceans and Climates through Earth History: Modelling, Proxy, and Proxy Development Studies (Posters)Monday, 16 October 20238:00 AM - 5:30 PMHall B
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RECONSTRUCTING FIRE USING MACROSCOPIC CHARCOAL ABUNDANCES IN PLIOCENE FLUVIOLACUSTRINE SEDIMENTS IN THE TERUEL BASIN, SPAIN
T105 Oceans and Climates through Earth History: Modelling, Proxy, and Proxy Development Studies (Posters)Monday, 16 October 20238:00 AM - 5:30 PMHall B
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A HUMID EAST ASIA DURING THE EARLY PLIOCENE INDICATED BY CALCITE NODULES FROM THE CHINESE LOESS PLATEAU
T62 Recent Advances in Soil and Paleosol ScienceSunday, 15 October 20231:30 PM - 5:30 PM320
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SOIL O2 AND CO2 REVEAL CONTROLS ON SOIL RESPIRATION AND CALCITE FORMATION IN FIELD-BASED EXPERIMENTS
T62 Recent Advances in Soil and Paleosol ScienceSunday, 15 October 20231:30 PM - 5:30 PM320
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A COMPONENT OF ATMOSPHERIC VAPOR IN THE WATER OF FLOODPLAIN VERTISOLS
T62 Recent Advances in Soil and Paleosol ScienceSunday, 15 October 20231:30 PM - 5:30 PM320
2022
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OXYGEN ISOTOPE EVIDENCE FOR A WARMING-INDUCED INCREASE IN SOIL WATER EVAPORATION DURING THE PLIOCENE ON THE CHINESE LOESS PLATEAU
T183 Soils and Paleosols across Space and Time II: A Celebration of Steven G. DrieseTuesday, 11 October 20221:30 PM - 5:30 PM207
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APPLYING A MULTI-PROXY APPROACH TO THE DEVELOPMENT AND INFLUENCE OF A MEDITERRANEAN-TYPE CLIMATE ON THE IBERIAN PENINSULA
T98 Emerging Voices in Soil and Paleosol Science (Posters)Monday, 10 October 20229:00 AM - 1:00 PMExhibit Hall F
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TRANSIENT EFFECT OF CALCITE DISSOLUTION AND STEADY STATE EFFECT OF SOIL MOISTURE ON THE APPARENT RESPIRATORY QUOTIENT IN PORE SPACE GAS OF EXPERIMENTAL SOILS
T29 Recent Advances in Soil and Paleosol Science (Posters)Sunday, 9 October 20229:00 AM - 1:00 PMExhibit Hall F
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EARTH, WIND AND FIRE: GRANT MEYER AND LES MCFADDEN'S LEGACY OF SCIENTIFIC CONTRIBUTIONS AND MENTORSHIP
17 Science at the Intersection of Soils, Weathering, Geomorphology, Climate, Ecology and Wildfire—A Tribute to the Careers of Les McFadden and Grant MeyerWednesday, 16 March 20228:00 AM - 12:00 PMCBC-A 108
2021
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ACTIVE SILICATE WEATHERING ON FLOODPLAINS DURING THE PALEOCENE-EOCENE THERMAL MAXIMUM: INSIGHTS FROM THE BIGHORN BASIN, WYOMING, USA
T180 Weathering and Soils: Advances in Understanding Rates, Mechanisms, Controlling Factors and FeedbacksTuesday, 12 October 20211:30 PM - 5:30 PMD139/D140
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MONITORING A UNIQUE KARST SYSTEM OVER TWO-YEARS TO ELUCIDATE HYDROCLIMATE VARIABLES INFLUENCING THE GEOCHEMISTRY OF SURFACE AND SUBSURFACE WATERS
T72 New Frontiers in Cave and Karst Research: In Honor of the International Year of Caves and KarstMonday, 11 October 20218:00 AM - 12:00 PMD136 (Hybrid Room)
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PROFILE OF A PALEOGENE ANDES IN THE NORTH AMERICAN WEST
T100 Late Cretaceous–Eocene (pre-Cascadia) Tectonics from the Greater Pacific Northwest Margin to the Rocky MountainsMonday, 11 October 20211:30 PM - 5:30 PMA106
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EOCENE SKYSCRAPERS: HIGH TOPOGRAPHY OF THE NORTHERN U.S. CORDILLERA FOLLOWING MESOZOIC COMPRESSION
T5 Cenozoic Tectonism, Magmatism, Sedimentation, and Landscape Evolution in the Intermountain West ISunday, 10 October 20218:00 AM - 12:00 PMPortland Ballroom 257 (Hybrid Room)
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CO2PIP— A COMMUNITY PROJECT TO ADVANCE AND STANDARDIZE APPROACHES TO PALEO-CO2 RECONSTRUCTION AND TO BUILD THE NEXT-GENERATION PHANEROZOIC RECORD
T10 New Perspectives on Phanerozoic Mass Extinctions and Environmental Perturbations ISunday, 10 October 20218:00 AM - 12:00 PME143/E144
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INTERPRETING STABLE CARBON ISOTOPE PROFILES OF ORGANIC MATTER IN SOILS
T20 Solving Paleoenvironmental Problems with Isotopes: New Advances and Ongoing Challenges in Soils and GeoarchaeologySunday, 10 October 20218:00 AM - 12:00 PMPortland Ballroom 253 (Hybrid Room)
2020
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A TWO-YEAR SOURCE TO SINK MONITORING STUDY TO INTERPRET ELEMENTAL AND ISOTOPIC VARIABILITY IN A KARST SYSTEM IN SOUTH-EASTERN NEW-MEXICO
T213 Karst Hydrology and HydrogeologyThursday, 29 October 20201:30 PM - 5:30 PMMeeting Rooms
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WEATHERING CONGRUENCY OF VOLCANIC ROCK EXHIBITS PROPORTIONAL BEHAVIOR TO TEMPERATURE, WITH NET INCONGRUENCY FAVORING COLD CLIMATES
T83 Geochemical Signatures of Fluid-Rock Interaction: Earth Surface Weathering to Hydrothermal Systems ITuesday, 27 October 20201:30 PM - 5:30 PMMeeting Rooms
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SILICATE WEATHERING INTENSITY IN FLOODPLAINS ACROSS THE PALEOCENE-EOCENE THERMAL MAXIMUM INFLUENCED BY PALEO-LANDSCAPE POSITION
T11 “Curse Your Sudden but Inevitable Betrayal": Advances and Challenges in Terrestrial PaleoclimateMonday, 26 October 20201:30 PM - 5:30 PMMeeting Rooms
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ADVANCING TERRESTRIAL PALEOCLIMATE WITH A PROCESS-BASED UNDERSTANDING OF THE SEASONAL BIAS OF THE CLUMPED AND STABLE ISOTOPIC COMPOSITIONS OF SOIL CARBONATES
T11 “Curse Your Sudden but Inevitable Betrayal": Advances and Challenges in Terrestrial PaleoclimateMonday, 26 October 20201:30 PM - 5:30 PMMeeting Rooms
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NON-DESTRUCTIVE EXPERIMENTS AND MODELING OF CALCIUM CARBONATE FORMATION IN SOILS
7 Low-Temperature Geochemistry and Biogeochemical Cycles (Posters)Monday, 9 March 20208:30 AM - 5:00 PMBallroom B
2019
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HIGH-RESOLUTION STALAGMITE RECORD EXAMINING LOCAL HYDROCLIMATE VARIABILITY FROM A SHALLOW CAVE IN SEMI-ARID NEW MEXICO
T89 Advances in Ocean and Climate Reconstructions from Environmental ProxiesMonday, 23 September 20198:00 AM - 12:00 PMRoom 228AB, North Building
2018
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A SYNTHESIS OF EXISTING CLUMPED ISOTOPE DATA REVEALS VARIED SEASONAL BIASES IN SOIL CARBONATE ACCUMULATION
222 D58. Recent Advances in Paleoclimatology and PaleoceanographyWednesday, 7 November 20188:00 AM - 12:00 PMRoom 138-139
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THE TOPOGRAPHY OF THE MODERN AND ANCIENT CENTRAL ANDEAN OROCLINE: A COMPARISON USING VOLCANIC GLASS PALEOALTIMETRY, SOUTHERN PERU
197 D40. Tectonics/Tectonophysics (Posters)Tuesday, 6 November 20189:00 AM - 6:30 PMHalls J-K
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TRACKING SOIL CARBONATE DISSOLUTION AND PRECIPITATION THROUGH HIGH-PRECISION MONITORING OF SOIL PORE SPACE O2 AND CO2
T4 Processes and Feedbacks in the Critical ZoneSunday, 4 November 20188:00 AM - 12:00 PMRoom 136-137
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SOIL CARBONATE RECORD OF LATE MIOCENE AND PLIOCENE ENVIRONMENTAL CHANGE FROM THE JIAXIAN RED CLAY SECTION, NORTHERN LOESS PLATEAU, CHINA
T69 Where Does the Wind Blow? Aeolian Systems in Time and Space IISunday, 4 November 20181:30 PM - 5:30 PMRoom 138-139
2017
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BORON IN SOIL CARBONATES: DEVELOPMENT AND INITIAL APPLICATION OF A HYBRID PALEO-CO2 PROXY
T209 Advances in Terrestrial Paleoclimate Reconstructions Using PaleosolsTuesday, 24 October 20178:00 AM - 12:00 PMSkagit 3
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CARBONATE CLUMPED ISOTOPE RECORD OF LGM-HOLOCENE CLIMATE CHANGE ACROSS THE PACIFIC NORTHWEST US: INSIGHTS FROM LOESS-PALEOSOLS AND PLUVIAL LAKES
T196 North Pacific Environment and Paleoclimate from the Late Pleistocene to Present ITuesday, 24 October 20178:00 AM - 12:00 PMRoom 609
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HYDROLOGIC CONDITIONS AND CARBON CYCLING DYNAMICS RECORDED IN THE CARBON-ISOTOPE VARIATIONS OF A NEAR-ENTRANCE SPELEOTHEM
122 D4. Paleoclimatology, Sedimentary, and Historical Studies in Caves and Karst FeaturesMonday, 23 October 20171:30 PM - 5:30 PMRoom 612
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USING CENTRAL TEXAS SPELEOTHEMS TO IDENTIFY REGIONAL MOISTURE DISTRIBUTION DURING THE LAST DEGLACIATION
6 Advances in the Application and Development of Terrestrial Paleoclimate Proxies (Posters)Monday, 13 March 20179:00 AM - 5:30 PMGrand Ballroom CDE
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NEAR ENTRANCE SPELEOTHEMS: ARCHIVES OF SEASONALITY?
2 Advances in the Application and Development of Terrestrial Paleoclimate ProxiesMonday, 13 March 20178:00 AM - 12:00 PMGrand Ballroom F
2016
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DID ATMOSPHERIC CO2 FORCE THE MID-CRETACEOUS HOT GREENHOUSE?
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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A SUBSOIL CARBON SOURCE TO CAVE-AIR CO2 AND SPELEOTHEM CALCITE IN CENTRAL TEXAS
T135 Karst Critical Zone Evolution: The Rapid Responses of Carbonate Systems to Changes in Climate, Sea Level, Groundwater Pumping, and Land Cover/Land-UseMonday, 26 September 20161:30 PM - 5:30 PMRoom 504
2014
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QUANTIFICATION AND DESCRIPTION OF SPRINGS EMERGING THROUGH THE THROMBOLITES OF LAKE CLIFTON, WESTERN AUSTRALIA
T281 New Developments in MicrobialitesWednesday, 22 October 20148:00 AM - 12:00 PM304/305
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QUANTIFYING PALEOELEVATIONS USING HYDRATED VOLCANIC GLASS
T335 Stable and Clumped Isotope Record of Topography, Climate, and Environments: Challenges and Recent AdvancesWednesday, 22 October 20141:00 PM - 5:00 PM204
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ASSESSING THE ROLE OF THE CARBONIC ANHYDRASE ENZYME IN CONTROLLING H2O-CO2 OXYGEN ISOTOPE EXCHANGE RATES DURING SPELEOTHEM GROWTH
T221 Enhancing the Toolkit for Karst Investigations (Posters)Tuesday, 21 October 20149:00 AM - 6:30 PMExhibition Hall C
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SYSTEMATIC VARIABILITY IN CLUMPED ISOTOPE TEMPERATURES OF LOESS CARBONATES DURING LATE PLEISTOCENE CLIMATE CHANGE, PALOUSE LOESS, USA
T243 Quaternary History of the Pacific Northwest Using Integrated Geomorphic and Stratigraphic RecordsTuesday, 21 October 20141:00 PM - 5:00 PM211
2013
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INVESTIGATING EVAPORATION AND SOIL WATER MOVEMENT BY MEASURING THE STABLE ISOTOPE COMPOSITION OF WATER IN VERTISOLS
T320 Pedogenic Minerals as Indicators of Ecosystems: Understanding the Critical Zone through Space and TimeWednesday, 30 October 20138:00 AM - 12:00 PMRoom 504
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TECTONICALLY DRIVEN CHANGES IN PALEOTOPOGRAPHY AND DRAINAGE SYSTEM EVOLUTION IN THE CORDILLERAN HINTERLAND, WESTERN US
T402 Advances in Quantitative Sediment Provenance Research: Novel Approaches from Multi-Proxy Provenance Data to Provenance Modeling IIWednesday, 30 October 20131:00 PM - 5:00 PMRoom 402
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VEGETATION AND CLIMATE SIGNALS IN THE CARBON ISOTOPE COMPOSITIONS OF SPELEOTHEM CALCITE
T171 The Epikarst as a Boundary and Critical ZoneMonday, 28 October 20131:00 PM - 5:00 PMRoom 502
2012
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CARBON AND CLUMPED ISOTOPES IN SOILS AND PALEOSOLS
3 Geochemistry: Advances in Low-Temperature and Isotope GeochemistrySunday, 4 November 20128:00 AM - 12:00 PM209AB
2010
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SOIL CO2 MEASUREMENTS IN MODERN VERTISOLS AND IMPLICATIONS FOR ESTIMATIONS OF PALEOATMOSPHERIC CO2 FROM PEDOGENIC CARBONATES
T216 Deciphering Paleozoic Paleoenvironmental Changes Using Stable and Radiogenic Isotope ProxiesTuesday, 2 November 20101:30 PM - 5:30 PMRoom 607
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WHERE DOES CAVE-AIR CO2 ORIGINATE? EVIDENCE FROM STABLE CARBON ISOTOPE RATIOS
T182 Karst Environments: Problems, Management, Human Impact, and Environmental Sustainability (Posters)Tuesday, 2 November 20108:00 AM - 6:00 PMHall D
2009
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TRACING CARBON TRANSFER FROM SOILS TO A CAVE USING STABLE CARBON ISOTOPES
T150 Toward Integrating Cave and Karst ScienceTuesday, 20 October 20098:00 AM - 12:00 PMD139/140
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INVESTIGATING CAVE VENTILATION IN CENTRAL TEXAS USING SEASONAL VARIATIONS IN THE δ13C VALUE AND CONCENTRATION OF CAVE-AIR CO2
T178 Toward Integrating Cave and Karst Science (Posters)Tuesday, 20 October 20099:00 AM - 6:00 PMHall A
2008
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Seasonal Biases In δ13C Values of Soil and Cave Carbonates
205 Critical Zone Studies of Soils and Weathering: Implications for Interpreting Climate and Landscapes of the PastMonday, 6 October 20081:30 PM - 5:30 PM
2004
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A MONAZITE OXYGEN ISOTOPE THERMOMETER
195 Metamorphic PetrologyWednesday, 10 November 20048:00 AM - 12:00 PM