Michael Hren
Associate Professor/Earth Sciences

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Scholarly Contributions

90 Scholarly Contributions

Poster/Presentation ✕
139
Journal Articles
113
Conference Proceedings
90
Poster/Presentations
A paleoenvironmental reappraisal of the Pennsylvanian (Bashkirian-Moscovian) South Bar and lower Sydney Mines Formations of Cape Breton, Atlantic Canada
Tracy Frank, Christopher Fielding, Martin Gibling, Michael Hren, Oluomachi Onuoha , (2024). A paleoenvironmental reappraisal of the Pennsylvanian (Bashkirian-Moscovian) South Bar and lower Sydney Mines Formations of Cape Breton, Atlantic Canada, Geological Society of America Northeastern Section Annual Meeting
Research Type: Poster/Presentation
A paleoenvironmental reappraisal of the Pennsylvanian (Bashkirian-Moscovian) South Bar Formation and lower Sydney Mines Formation of Cape Breton, Atlantic Canada
Oluomachi Onuoha, Michael Hren, Tracy Frank, Martin Gibling, Christopher Fielding , (2023). A paleoenvironmental reappraisal of the Pennsylvanian (Bashkirian-Moscovian) South Bar Formation and lower Sydney Mines Formation of Cape Breton, Atlantic Canada, Geological Society of America Annual Meeting, United States of America
Research Type: Poster/Presentation
CLIMATE VARIABILITY IN SOUTHWESTERN GONDWANA AT THE END OF THE LATE PALEOZOIC ICE AGE: A SEDIMENTOLOGICAL AND GEOCHEMICAL APPROACH
Christopher Fielding, Michael Hren, Franciele Trentin, Tracy Frank, Julia Tedesco, Carolina Aquino, Joice Cagliari , (2023). CLIMATE VARIABILITY IN SOUTHWESTERN GONDWANA AT THE END OF THE LATE PALEOZOIC ICE AGE: A SEDIMENTOLOGICAL AND GEOCHEMICAL APPROACH, The Geological Society of America Connects 2023
Research Type: Poster/Presentation
Shallow marine nitrogen cycling during the Frasnian-Famennian mass extinction in the Appalachian Basin
S K Brisson, J A Beard, Michael Hren, Andrew M Bush , (2023). Shallow marine nitrogen cycling during the Frasnian-Famennian mass extinction in the Appalachian Basin, Geological Society of America Annual Meeting
Research Type: Poster/Presentation
Organic Molecular paleohypsometry: A new approach to quantifying the topographic evolution of mountain systems
Michael Hren , (2022). Organic Molecular paleohypsometry: A new approach to quantifying the topographic evolution of mountain systems, University of Texas Arlington Geosciences Colloquium
Research Type: Poster/Presentation
Chapter 9: Stratigraphy of the Frasnian-Famennian boundary interval in shallow-marine paleoenvironments of New York and north-central Pennsylvania (Wiscoy-Caneadea formations, Upper Devonian)
J A Beard, S K Brisson, Michael Hren, Jaleigh Q Pier, Andrew M Bush , (2022). Chapter 9: Stratigraphy of the Frasnian-Famennian boundary interval in shallow-marine paleoenvironments of New York and north-central Pennsylvania (Wiscoy-Caneadea formations, Upper Devonian), Geological Society of America, NE Section Meeting
Research Type: Poster/Presentation
Multi-proxy analysis of the Lower Kellwasser Event in the Appalachian Basin
J A Beard, Michael Hren, Andrew M Bush, S K Brisson , (2021). Multi-proxy analysis of the Lower Kellwasser Event in the Appalachian Basin, Geological Society of America Annual Meeting
Research Type: Poster/Presentation
Preliminary analyses of Δ15N in the shallow Appalachian Basin associated with the Late Devonian Mass Extinction Event
Michael Hren, J A Beard, Andrew M Bush, S K Brisson , (2020). Preliminary analyses of Δ15N in the shallow Appalachian Basin associated with the Late Devonian Mass Extinction Event, Geological Society of America, Joint NE-SE Section Meeting
Research Type: Poster/Presentation
Historic land use impacts on erosion and upland soils in southern New England
Michael Hren, Samantha Dow, William B Ouimet , (2020). Historic land use impacts on erosion and upland soils in southern New England, 2020 Geological Society of America Annual Meeting
Research Type: Poster/Presentation
Anthropogenic Modifications To Upland Soils From Historic Land Use In Southern New England
Michael Hren, Samantha Dow, William B Ouimet , (2020). Anthropogenic Modifications To Upland Soils From Historic Land Use In Southern New England, Geological Society of America 2020 Northeastern Section Annual Meeting
Research Type: Poster/Presentation
Tidal restriction legacies in salt marsh soil organic matter
Beth A. Lawrence, Michael Hren, Madeline Meadows-McDonnell , (2020). Tidal restriction legacies in salt marsh soil organic matter, Connecticut Conference on Natural Resources
Research Type: Poster/Presentation
The Frasnian-Fammenian (Late Devonian) extinction event in New York and Pennsylvania: stratigraphic and paleoenvironmental context
J A Beard, P R Getty, J Pier, Michael Hren, S Brisson, Anjali M Fernandes, J Kerr, Andrew M Bush , (2019). The Frasnian-Fammenian (Late Devonian) extinction event in New York and Pennsylvania: stratigraphic and paleoenvironmental context, 11th North American Paleontological Convention, North America
Research Type: Poster/Presentation
Water isotope evidence for steady Cenozoic topography in the southern Andes (50 to 35°S)
Julie C Fosdick, J Smolen, David Colwyn, Mark T Brandon, Michael Hren, Lucas Fennell, Queenie Chang, J R Super , (2019). Water isotope evidence for steady Cenozoic topography in the southern Andes (50 to 35°S), American Geophysical Union, Fall Meeting 2019
Research Type: Poster/Presentation
Biotic and environmental records of the Frasnian-Famennian (Late Devonian) extinction event in shallow marine paleoenvironments of New York and Pennsylvania
J A Beard, S Brisson, J Pier, Andrew M Bush, P R Getty, Michael Hren, Anjali M Fernandes, J Kerr , (2019). Biotic and environmental records of the Frasnian-Famennian (Late Devonian) extinction event in shallow marine paleoenvironments of New York and Pennsylvania, Northeast Geobiology 2019 Meeting
Research Type: Poster/Presentation
Organic molecular records of North American Climate and Topography through the Cenozoic
Michael Hren , (2018). Organic molecular records of North American Climate and Topography through the Cenozoic, Invited Colloquia at University of Birmingham, UK, Europe
Research Type: Poster/Presentation
A record of early Holocene wildfires and 18-20th century human impacts in an upland wetland in eastern Connecticut
Heather Scofield, Joseph Wilcox, Fernanda Mastroluca, Kyle Farrell, Ben Lee, William B Ouimet, Liam Nangle, Scott Rowan, Kervelle Baird, Yulio Araya, Billy Stansfield, Caitlin McManimon, Michael Hren , (2018). A record of early Holocene wildfires and 18-20th century human impacts in an upland wetland in eastern Connecticut, Geological Society of America 2018 Northeastern Section Annual Meeting
Research Type: Poster/Presentation
The Frasnian-Famennian (Late Devonian) extinction event in shallow marine, siliciclastic paleoenvironments of the northern Appalachian Basin, USA
Andrew M Bush, J Pier, Anjali M Fernandes, P R Getty, J A Beard, Michael Hren, J Kerr, S Brisson , (2018). The Frasnian-Famennian (Late Devonian) extinction event in shallow marine, siliciclastic paleoenvironments of the northern Appalachian Basin, USA, 5th International Palaeontological Congress, France
Research Type: Poster/Presentation
Effect of Atmospheric Gas Concentration on Hydrogen and Carbon Isotope Fractionation in Plant n-alkyl Lipids
Jeenifer McElwain, Harry Yiotis, Alex Brittinham, Yvette Eley, Michael Hren, Isabel Montanez, Amanda Porter, Joseph White , (2018). Effect of Atmospheric Gas Concentration on Hydrogen and Carbon Isotope Fractionation in Plant n-alkyl Lipids, Northeast Geobiology Symposium
Research Type: Poster/Presentation
Stratigraphy of the Frasnian-Famennian mass extinction interval (Upper Devonian) in the northern Appalachian Basin
Michael Hren, Andrew M Bush, J. Andrew Beard , (2018). Stratigraphy of the Frasnian-Famennian mass extinction interval (Upper Devonian) in the northern Appalachian Basin, Geological Society of America Northeast Section Meeting
Research Type: Poster/Presentation
Organic biomarkers and molecular records of North American climate during the Cenozoic
Michael Hren , (2018). Organic biomarkers and molecular records of North American climate during the Cenozoic, Invited Colloquia at National Center for Scientific Research (CNRS) France, Europe
Research Type: Poster/Presentation
Stratigraphy and paleoenvironments of the Kellwasser Events in the Upper Devonian of the Southern Tier of New York and north-central Pennsylvania
Michael Hren, J A Beard, Andrew M Bush , (2017). Stratigraphy and paleoenvironments of the Kellwasser Events in the Upper Devonian of the Southern Tier of New York and north-central Pennsylvania, Northeastern Geobiology Symposium
Research Type: Poster/Presentation
Organic molecular biomarker records of Cenozoic climate and topographic change
Michael Hren , (2017). Organic molecular biomarker records of Cenozoic climate and topographic change, Central Connecticut State weekly seminar
Research Type: Poster/Presentation
Carbon cycle perturbations along an onshore-offshore gradient during the Kellwasser mass extinction events, Upper Devonian, northern Appalachian Basin
Anjali M Fernandes, J A Beard, Andrew M Bush, S Brisson, Michael Hren , (2017). Carbon cycle perturbations along an onshore-offshore gradient during the Kellwasser mass extinction events, Upper Devonian, northern Appalachian Basin, Geological Society of America Annual Meeting, World Wide
Research Type: Poster/Presentation
Cenozoic climatic and tectonic evolution of western North America: An organic molecular perspective on paleotopography and paleohydrology during Cenozoic warm periods
Michael Hren , (2017). Cenozoic climatic and tectonic evolution of western North America: An organic molecular perspective on paleotopography and paleohydrology during Cenozoic warm periods, University of Minnesota
Research Type: Poster/Presentation
Microbial alteration of normal alkane d13C and dD in sedimentary archives
Alex Brittingham, Gideon Hartman, Michael Hren , (2017). Microbial alteration of normal alkane d13C and dD in sedimentary archives, American Geophysical Union Annual Meeting
Research Type: Poster/Presentation
Organic molecular paleoaltimetry: Applications, uncertainties and pitfalls
Michael Hren , (2017). Organic molecular paleoaltimetry: Applications, uncertainties and pitfalls, University of Minnesota Tectonics working group
Research Type: Poster/Presentation
Polar ice sheets drive paleohydroclimate affecting terrestrial plant distribution and CO2 exchange potential during the Upper Carboniferous
Chris Poulsen, Jonathan Wilson, Jennifer McElwain, Joseph White, Michael Hren, Isabel Montanez , (2017). Polar ice sheets drive paleohydroclimate affecting terrestrial plant distribution and CO2 exchange potential during the Upper Carboniferous, American Geophysical Union Annual Meeting
Research Type: Poster/Presentation
Polycyclic aromatic hydrocarbons as a proxy for fire in archaeological sediments". Society for American Archaeology Annual Meeting
Boris Gasparyan, Michael Hren, Daniel Adler, Gideon Hartman, Keith Wilkinson, Alex Brittingham , (2017). Polycyclic aromatic hydrocarbons as a proxy for fire in archaeological sediments". Society for American Archaeology Annual Meeting, Society for American Archaeology Annual Meeting
Research Type: Poster/Presentation
Cenozoic Climate and Tectonic Evolution of western North America: An organic molecular perspective
Michael Hren , (2017). Cenozoic Climate and Tectonic Evolution of western North America: An organic molecular perspective, Lamont Doherty Earth Observatory (Columbia University)
Research Type: Poster/Presentation
Organic Molecular Proxies for Fire Use in the Middle Paleolithic of the Armenian Highlands
Daniel Adler, Gideon Hartman, Alex Brittingham, Keith Wilkinson, Boris Gasparyan, Michael Hren , (2017). Organic Molecular Proxies for Fire Use in the Middle Paleolithic of the Armenian Highlands, South Caucasus Archeological Colloquium
Research Type: Poster/Presentation
Polycyclic aromatic hydrocarbons as a proxy for fire in archaeological sediments
Keith Wilkinson, Alex Brittingham, Daniel Adler, Boris Gasparyan, Michael Hren, Gideon Hartman , (2017). Polycyclic aromatic hydrocarbons as a proxy for fire in archaeological sediments, Frontiers in Archaeological Sciences, Rutgers U.
Research Type: Poster/Presentation
Perturbations to the global carbon cycle
Michael Hren , (2017). Perturbations to the global carbon cycle, 2017 American Chemical Society Undergraduate Research Symposium
Research Type: Poster/Presentation
Dynamic carboniferous tropical forests: a new view of their paleo-plant function and paleo-ecophysiology
Jennifer McElwain, Isabel Montanez, Joseph White, Michael Hren, Christopher Poulsen, William DiMichele, Jonathon Wilson , (2016). Dynamic carboniferous tropical forests: a new view of their paleo-plant function and paleo-ecophysiology, New Phytologist Annual Meeting
Research Type: Poster/Presentation
Global Climate Change and Terrestrial Hydrology During the Middle Eocene
Michael Hren , (2016). Global Climate Change and Terrestrial Hydrology During the Middle Eocene, Organic Geochemistry Gordon Conference
Research Type: Poster/Presentation
The Climate Context of Early Modern Human Expansion into the Armenian Highlands
Alex Brittingham, Michael Hren, Boris Gasparyan, Gideon Hartmann, Andrew Kandel , (2016). The Climate Context of Early Modern Human Expansion into the Armenian Highlands, Organic Geochemistry Gordon Conference
Research Type: Poster/Presentation
Structure and function in dynamic carboniferous tropical forests: A new perspective on Paleozoic plant function and physiological forcing of climate
Jonathan Wilson, Michael Hren, Chris Poulsen, Isabel Montanez, William DiMichele, Jennifer McElwain, Joseph White , (2016). Structure and function in dynamic carboniferous tropical forests: A new perspective on Paleozoic plant function and physiological forcing of climate, Geological Society America Annual Fall Meeting
Research Type: Poster/Presentation
Climate, vegetation and stable isotopes of modern and sedimentary n-alkanes in semi-arid and grassland environments of the North American interior
Katharine Truong, Yvette Eley, Michael Hren , (2016). Climate, vegetation and stable isotopes of modern and sedimentary n-alkanes in semi-arid and grassland environments of the North American interior, Geological Society of America Annual Meeting
Research Type: Poster/Presentation
Polycyclic Aromatic Hydrocarbons Preserve Sedimentary Records of Wildfire in Diverse Ecosystems
Chad Fagan, David Dethier, Michael Hren, Greg Harris, William B Ouimet , (2016). Polycyclic Aromatic Hydrocarbons Preserve Sedimentary Records of Wildfire in Diverse Ecosystems, 2016 Geological Society of America Annual Meeting
Research Type: Poster/Presentation
A global terrestrial climate shift at the Eocene-Oligocene transition: Evidence from Mid-latitude south America
David Auerbach, Astriid Pacini, Michael Hren , (2016). A global terrestrial climate shift at the Eocene-Oligocene transition: Evidence from Mid-latitude south America, Geological Society of America Annual Meeting
Research Type: Poster/Presentation
Temporal variations in organic molecular hydrogen and carbon isotope signatures: Modern records and implications for paleoclimate
Michael Hren , (2016). Temporal variations in organic molecular hydrogen and carbon isotope signatures: Modern records and implications for paleoclimate, Annual Meeting Earth Life Transitions Working Group
Research Type: Poster/Presentation
Guest Lecture UC DAVIS Geobiology and Climate Seminar
Michael Hren , (2016). Guest Lecture UC DAVIS Geobiology and Climate Seminar, Guest Lecture UC DAVIS, CA Geobiology and Climate Seminar, North America
Research Type: Poster/Presentation
Stratigraphic revision and facies analyses of the Frasnian-Famennian boundary interval (Upper Devonian) in New York and Pennsylvania
Patrick Ryan Gonsulin-Getty, Andrew M Bush, Anjali M Fernandes, J A Beard, Michael Hren , (2016). Stratigraphic revision and facies analyses of the Frasnian-Famennian boundary interval (Upper Devonian) in New York and Pennsylvania, Geological Society of America Annual Meeting
Research Type: Poster/Presentation
Neotectonics, seismology and surface processes in South and East Asia
Xiwei Xu, Michael Hren, Bruce Shyu, Hiroyuki Tsutsumi , (2016). Neotectonics, seismology and surface processes in South and East Asia, American Geophysical Union Annual Meeting
Research Type: Poster/Presentation
The effect of atmospheric CO2 and O2 concentration on hydrogen isotope values of epicuticular plant wax compounds
Amanda Porter, Michael Hren, Alex Brittingham, Jennifer McElwain , (2016). The effect of atmospheric CO2 and O2 concentration on hydrogen isotope values of epicuticular plant wax compounds, Geological Society America Annual Meeting (Northeast Section)
Research Type: Poster/Presentation
The Affect of Land Use Change on Stable Isotope (Δ13C And Δ15N) Values in Connecticut Wetlands During the Holocene
William B Ouimet, Michael Hren, David Gilliakan, Don Rodbell, Caitlin McManimon , (2016). The Affect of Land Use Change on Stable Isotope (Δ13C And Δ15N) Values in Connecticut Wetlands During the Holocene, Geological Society of America Northeastern Section Annual Meeting
Research Type: Poster/Presentation
Abrupt terrestrial cooling at the Eocene-Oligocene transition in South America
Astrid Pacini, David Auerbach, Michael Hren , (2016). Abrupt terrestrial cooling at the Eocene-Oligocene transition in South America, American Geophysical Union Annual Meeting
Research Type: Poster/Presentation
Organic molecular records of changing topography and climate in Western North America
Michael Hren , (2016). Organic molecular records of changing topography and climate in Western North America, UMASS Weekly Seminar Series
Research Type: Poster/Presentation
Late Devonian (Frasnian-Famennian) δ13Corg perturbations in the northern Appalachian Basin: an integrated study of extinction through geochemical and sedimentological records
Andrew M Bush, J A Beard, Michael Hren , (2016). Late Devonian (Frasnian-Famennian) δ13Corg perturbations in the northern Appalachian Basin: an integrated study of extinction through geochemical and sedimentological records, Geological Society of America Northeastern Section Meeting
Research Type: Poster/Presentation
An Organic Molecular Record of Post-Glacial Climate and Fire Occurrence in a Southern New England Wetland Core
Michael Hren, William B Ouimet, Chad Fagan , (2016). An Organic Molecular Record of Post-Glacial Climate and Fire Occurrence in a Southern New England Wetland Core, Geological Society of America Northeastern Section Annual Meeting
Research Type: Poster/Presentation
Multi-proxy reconstructions of hydrologic change during the Eocene-Oligocene transition in the North American interior
Yvette Eley, Michael Hren , (2016). Multi-proxy reconstructions of hydrologic change during the Eocene-Oligocene transition in the North American interior, American Geophysical Union Annual Meeting
Research Type: Poster/Presentation
Paleoenvironmental reconstruction of the Barstow Formation, Southern California, through the Middle Miocene Climatic
Katharine Badgely, Katharine Loughney, Michael Hren , (2016). Paleoenvironmental reconstruction of the Barstow Formation, Southern California, through the Middle Miocene Climatic, Geological Society of America Annual Meeting
Research Type: Poster/Presentation
Climatic and hydrologic change during the Eocene-Oligocene transition in the North American Interior
Yvette Eley, Michael Hren , (2016). Climatic and hydrologic change during the Eocene-Oligocene transition in the North American Interior, Geological Society America AnnualMeeting
Research Type: Poster/Presentation
Climate impact on human behavior in the Upper Paleolithic of the Armenian highlands
Alex Brittingham, Michael Hren, Gideon Hartman, Daniel Adler , (2016). Climate impact on human behavior in the Upper Paleolithic of the Armenian highlands, Geological Society of America Annual Meeting
Research Type: Poster/Presentation
A PALEOELEVATION HISTORY OF THE PATAGONIAN ANDES FROM HYDRATED VOLCANIC GLASS
Mark Brandon, Martha Cosgrove, Michael Hren, David Auerbach, Astrid Pacini , (2015). A PALEOELEVATION HISTORY OF THE PATAGONIAN ANDES FROM HYDRATED VOLCANIC GLASS, Geological Society America Annual Fall Meeting
Research Type: Poster/Presentation
Comparing stable isotope compositions of hair in a mother-calf pair of elephants (Loxodonta africana) during nursing and weaning
Michael Hren, Michael Cherney, Daniel Fisher , (2015). Comparing stable isotope compositions of hair in a mother-calf pair of elephants (Loxodonta africana) during nursing and weaning, Society Vertebrate Paleontology Annual Meeting
Research Type: Poster/Presentation
Reconstructing extinct plant water use for understanding vegetation-climate feedbacks: methos, synthesis and a case study using the Paleozoic era.
Joanthon Wilson, Isabel Montanez, Bill DiMichele, Christopher Poulsen, Michael Hren, Jennifer McElwain , (2015). Reconstructing extinct plant water use for understanding vegetation-climate feedbacks: methos, synthesis and a case study using the Paleozoic era., Paleontological Society Short Course
Research Type: Poster/Presentation
CENOZOIC ORGANIC MOLECULAR ISOSCAPES: PLANT WAX HYDROGEN ISOTOPE RECORDS OF CHANGING PRECIPITATION ISOTOPES AND CLIMATE ACROSS NORTH AMERICA
Michael Hren , (2015). CENOZOIC ORGANIC MOLECULAR ISOSCAPES: PLANT WAX HYDROGEN ISOTOPE RECORDS OF CHANGING PRECIPITATION ISOTOPES AND CLIMATE ACROSS NORTH AMERICA, GSA Annual Fall Meeting
Research Type: Poster/Presentation
TEMPORAL VARIATIONS IN HYDROGEN AND CARBON ISOTOPES: UNDERSTANDING HOW PHYSIOLOGICAL DIFFERENCES BETWEEN TAXONOMIC CLASSES AFFECT ISOTOPIC FRACTIONATION IN PLANT LEAF WAXES
Michael Hren, Abigail Oakes , (2015). TEMPORAL VARIATIONS IN HYDROGEN AND CARBON ISOTOPES: UNDERSTANDING HOW PHYSIOLOGICAL DIFFERENCES BETWEEN TAXONOMIC CLASSES AFFECT ISOTOPIC FRACTIONATION IN PLANT LEAF WAXES, Geological Society America Annual Fall meeting
Research Type: Poster/Presentation
Compound-specific stable isotopes of plant waxes: Records of environmental variability
Michael Hren , (2015). Compound-specific stable isotopes of plant waxes: Records of environmental variability, Earth Life Transitions Working Group, Ireland
Research Type: Poster/Presentation
Late Pleistocene paleoclimate reconstruction at Lusakert Cave, Armenia. Paper presented at the Annual Meeting of the Geological Society of America, Baltimore, Maryland.
Michael Hren, Kieth Wilkinson, Gideon Hartman, Daniel Adler, Boris Gasparian, Alex Brittingham , (2015). Late Pleistocene paleoclimate reconstruction at Lusakert Cave, Armenia. Paper presented at the Annual Meeting of the Geological Society of America, Baltimore, Maryland., Annual Meeting of the Geological Society of America, World Wide
Research Type: Poster/Presentation
δ13Corg records in Late Devonian strata of the Appalachian Basin
Andrew M Bush, James Andrew Beard, Michael Hren , (2015). δ13Corg records in Late Devonian strata of the Appalachian Basin, Geological Society of America Southeastern Section
Research Type: Poster/Presentation
Compound-specific stable isotopes of higher plant waxes: Organic molecular tracers of climate, ecosystems and hydrology over human to geologic timescales
Michael Hren , (2015). Compound-specific stable isotopes of higher plant waxes: Organic molecular tracers of climate, ecosystems and hydrology over human to geologic timescales, Colby College Department of Chemistry
Research Type: Poster/Presentation
HYDROLOGICAL CHANGES DURING THE MIDDLE MIOCENE CLIMATIC OPTIMUM IN SOUTHWEST MONTANA USING MOLECULAR BIOMARKERS OF LEAF WAXES
Jaclyn White, Michael Hren , (2015). HYDROLOGICAL CHANGES DURING THE MIDDLE MIOCENE CLIMATIC OPTIMUM IN SOUTHWEST MONTANA USING MOLECULAR BIOMARKERS OF LEAF WAXES, Northeast Geological Society of America Annual Meeting
Research Type: Poster/Presentation
Facies analysis and δ13Corg records across the Lower Kellwasser equivalent (Upper Devonian) in New York and Pennsylvania
J A Beard, Andrew M Bush, Michael Hren , (2015). Facies analysis and δ13Corg records across the Lower Kellwasser equivalent (Upper Devonian) in New York and Pennsylvania, Geological Society of America Annual Meeting
Research Type: Poster/Presentation
DYNAMIC SHIFTS IN GLACIAL-INTERGLACIAL ATMOSPHERIC CO2 AND TROPICAL VEGETATION DURING EARTH’S LAST ICEHOUSE
Galen Griggs, Michael Hren, Isabel Montanez, Christopher Poulsen, Joseph White, William DiMichele, Jonathon Wilson, Jennifer McElwain , (2015). DYNAMIC SHIFTS IN GLACIAL-INTERGLACIAL ATMOSPHERIC CO2 AND TROPICAL VEGETATION DURING EARTH’S LAST ICEHOUSE, Geological Society America Annual Fall Meeting
Research Type: Poster/Presentation
Investigating the Use of Polycyclic Aromatic Hydrocarbons (PAHs) as a Proxy for Holocene Forest Fires on the Colorado Front Range
William B Ouimet, David Dethier, Greg Harris, Michael Hren , (2015). Investigating the Use of Polycyclic Aromatic Hydrocarbons (PAHs) as a Proxy for Holocene Forest Fires on the Colorado Front Range, Annual Meeting: Geological Society of America
Research Type: Poster/Presentation
Timing of the Lower Kellwasser Extinction (Late Devonian) relative to dark shale deposition in the Appalachian Basin
Michael Hren, J A Beard, Andrew M Bush , (2015). Timing of the Lower Kellwasser Extinction (Late Devonian) relative to dark shale deposition in the Appalachian Basin, Geological Society of America Annual Meeting
Research Type: Poster/Presentation
Using geochemical signals to decipher paleoelevation
Michael Hren , (2015). Using geochemical signals to decipher paleoelevation, FACET (Feedbacks among climate, erosion and tectonics) workshop, Asia
Research Type: Poster/Presentation
Plant wax isotope records of spatial and temporal change to climate and hydrology in western North America during the Miocene and Middle Miocene Climatic Optimum.
Michael Hren, Jaclyn White , (2015). Plant wax isotope records of spatial and temporal change to climate and hydrology in western North America during the Miocene and Middle Miocene Climatic Optimum., American Geophysical Union Annual Meeting
Research Type: Poster/Presentation
STABLE ISOTOPIC AND MOLECULAR ALTERATION OF ORGANIC BIOMARKERS IN SOIL DURING SIMULATED DIAGENESIS: IMPACT OF VARYING MOISTURE, TEMPERATURE, ATMOSPHERE OXYGEN AND LIGHT
Katherine Truong, Michael Hren , (2015). STABLE ISOTOPIC AND MOLECULAR ALTERATION OF ORGANIC BIOMARKERS IN SOIL DURING SIMULATED DIAGENESIS: IMPACT OF VARYING MOISTURE, TEMPERATURE, ATMOSPHERE OXYGEN AND LIGHT, Geological Society America Annual Fall Meeting
Research Type: Poster/Presentation
UNDERSTANDING THE RELATIONSHIP BETWEEN ENVIRONMENTAL FACTORS AND THE DEUTERIUM/HYDROGEN RATIOS FOUND IN N-ALKANES BETWEEN VARYING PLANT SPECIES
katherine Truong, Michael Hren , (2015). UNDERSTANDING THE RELATIONSHIP BETWEEN ENVIRONMENTAL FACTORS AND THE DEUTERIUM/HYDROGEN RATIOS FOUND IN N-ALKANES BETWEEN VARYING PLANT SPECIES, Geological Society America Annual Fall Meeting
Research Type: Poster/Presentation
Organic molecular biomarker records of paleoenvironmental change: Pitfalls, uncertainty and application to the SE Tibetan Plateau Margin
Michael Hren , (2014). Organic molecular biomarker records of paleoenvironmental change: Pitfalls, uncertainty and application to the SE Tibetan Plateau Margin, Northeast GSA Annual Meeting
Research Type: Poster/Presentation
Organic molecular records of Cenozoic climate and topographic change
Michael Hren , (2014). Organic molecular records of Cenozoic climate and topographic change, Invited Speaker University of West Virginia
Research Type: Poster/Presentation
Compositional and Temperature Effects of Phosphoric Acid Fractionation on Δ47 Analysis and Implications for Discrepant Calibrations
Michael Hren, Kyger Lohmann, William Defliese , (2014). Compositional and Temperature Effects of Phosphoric Acid Fractionation on Δ47 Analysis and Implications for Discrepant Calibrations, American Geophysical Union Annual Meeting
Research Type: Poster/Presentation
RESOLVING VEGETATION-CO2-CLIMATE FEEDBACKS DURING THE LAST ICEHOUSE ― AN ELT COLLABORATIVE APPROACH
Joseph White, Isabel Montanez, Jonathon Wilson, William DiMichele, Christopher Poulsen, Michael Hren, Jennifer McElwain , (2014). RESOLVING VEGETATION-CO2-CLIMATE FEEDBACKS DURING THE LAST ICEHOUSE ― AN ELT COLLABORATIVE APPROACH, Geological Society of America Annual Fall Meeting
Research Type: Poster/Presentation
AN EXPANDED δ13CORG RECORD THROUGH THE LOWER KELLWASSER EVENT (LATE DEVONIAN) IN THE “CATSKILL DELTA” OF NEW YORK
Andrew Bush, Andrew Beard, Michael Hren, Jayme Czonka , (2014). AN EXPANDED δ13CORG RECORD THROUGH THE LOWER KELLWASSER EVENT (LATE DEVONIAN) IN THE “CATSKILL DELTA” OF NEW YORK, Geological Society of American Annual Fall Meeting
Research Type: Poster/Presentation
Organic Molecular Records of the Paleoelevation History of the SE Tibetan Plateau
Michael Hren , (2014). Organic Molecular Records of the Paleoelevation History of the SE Tibetan Plateau, Wesleyan Spring Seminar Series
Research Type: Poster/Presentation
Measuring Topographic Growth Through Time
Kathryn Snell, Greg Hoke, Michael Hren, Jay Quade , (2014). Measuring Topographic Growth Through Time, American Geophysical Union Annual Meeting
Research Type: Poster/Presentation
Environmental Controls of Hydrogen Isotope Fractionation in Plant Biomarkers
Michael Hren , (2014). Environmental Controls of Hydrogen Isotope Fractionation in Plant Biomarkers, Earth Life Transitions Meeting
Research Type: Poster/Presentation
An expanded δ13Corg record through the Lower Kellwasser Event (Late Devonian) in the “Catskill Delta” of New York
James Andrew Beard, Jayme D Csonka, Andrew M Bush, Michael Hren , (2014). An expanded δ13Corg record through the Lower Kellwasser Event (Late Devonian) in the “Catskill Delta” of New York, Geological Society of America Annual Meeting, North America
Research Type: Poster/Presentation
Organic molecular records of topography and climate: Modern biomarker isotope and soil tetraether calibrations and applications to the paleoenvironmental history of the SE margin of Tibet.
Michael Hren , (2013). Organic molecular records of topography and climate: Modern biomarker isotope and soil tetraether calibrations and applications to the paleoenvironmental history of the SE margin of Tibet., American Geophysical Union Annual Meeting
Research Type: Poster/Presentation
Molecular and isotopic indicators of Cenozoic paleoenvironmental change in the Western U.S.
Michael Hren , (2013). Molecular and isotopic indicators of Cenozoic paleoenvironmental change in the Western U.S., Wesleyan U. Spring Seminars
Research Type: Poster/Presentation
Organic molecular record of paleoelevations: Applications, uncertainties, and pitfalls
Michael Hren , (2013). Organic molecular record of paleoelevations: Applications, uncertainties, and pitfalls, Pardee Keynote Symposium at Geological Society of America Annual Fall Meeting
Research Type: Poster/Presentation
Clumped Isotope Paleothermometry: Interpreting Lacustrine Climate Records
Michael Hren , (2012). Clumped Isotope Paleothermometry: Interpreting Lacustrine Climate Records, VM Goldschmidt Conference
Research Type: Poster/Presentation
The impact of pCO2 and climate on D/H and 13C/12C fractionation of higher plant biomarkers: Implications for paleoclimate and paleoelevation reconstruction during global warm periods
Michael Hren , (2012). The impact of pCO2 and climate on D/H and 13C/12C fractionation of higher plant biomarkers: Implications for paleoclimate and paleoelevation reconstruction during global warm periods, American Geophysical Union Fall Meeting
Research Type: Poster/Presentation
Molecular and isotopic indicators of paleoenvironmental change in the Western U.S.
Michael Hren , (2012). Molecular and isotopic indicators of paleoenvironmental change in the Western U.S., GSA Annual Fall Meeting
Research Type: Poster/Presentation
Does hydro-fracking affect local surface waters? A test for chemical signatures
Terri Brown, Kristen Lee Corrier, Michael Hren, Michael McKinney , (2012). Does hydro-fracking affect local surface waters? A test for chemical signatures, Geological Society of America
Research Type: Poster/Presentation
Extensive life on land ~1.1. Ga. ago.
Michael Hren, Nathan Sheldon , (2012). Extensive life on land ~1.1. Ga. ago., V.M. Goldschmidt Conference
Research Type: Poster/Presentation
Distribution of Glycerol Dialkyl Glycerol Tetraethers in Soils from Two Environmental Transects in the U.S.
Sitindra Dirghangi, Mark Pagani, Michael Hren , (2012). Distribution of Glycerol Dialkyl Glycerol Tetraethers in Soils from Two Environmental Transects in the U.S., American Geophysical Union Fall Meeting
Research Type: Poster/Presentation
Proxy records of past climate, hydrology and elevation and predictions for future change.
Michael Hren , (2012). Proxy records of past climate, hydrology and elevation and predictions for future change., UConn Environmental Engineering Seminar
Research Type: Poster/Presentation