BH
Member Since 2003
Baerbel Hoenisch
Professor, Columbia University
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Atmospheric CO2 Estimates for the Late Oligocene and Early Miocene Using Multi‐Species Cross‐Calibrations of Boron Isotopes
PALEOCEANOGRAPHY AND PALEOCLIMATOLOGY
09 january 2024
Lloyd B. Anderson, Baerbel Hoenisch, Helen K. Coxa...
The boron isotope (δ11B) proxy for seawater pH is a tried and tested means to reconstruct atmospheric CO2 in the geologic past, but uncertaint...
Combining molecular, morphometric, and trace element geochemical analysis for a single foraminifera shell: a promising workflow for species with cryptic diversity
BIOMINERALIZERS AS PROXIES: INSIGHTS FOR PALEOCEANOGRAPHY II POSTER
paleoceanography and paleoclimatology | 14 december 2023
M Kelsey Lane, Jennifer S. Fehrenbacher, Baerbel H...
The discovery of cryptic genetic diversity within foraminifera morphospecies may complicate the well-established use of foraminiferal fossils as geoch...
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Bayesian Paleo-Environment Reconstructor (BPER): A new R package for multi-proxy paleo-CO2 reconstruction
ADVANCES IN THE RECONSTRUCTION OF THE GLOBAL CARBON CYCLE OVER GEOLOGIC TIME II POSTER
paleoceanography and paleoclimatology | 13 december 2023
Dustin Harper, Gabriel J. Bowen, Baerbel Hoenisch,...
Reconstructing atmospheric CO2 over geologic timescales requires indirect proxy-based measurements from archives which record past environments. Howev...
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Determining the Influence of Ocean Alkalinity Enhancement (OAE) on Foraminifera Calcification via MicroCT Imaging
CARBON DIOXIDE REMOVAL IN THE COASTAL AND OPEN OCEAN: CURRENT KNOWLEDGE AND FUTURE DIRECTIONS II POSTER
ocean sciences | 11 december 2023
Laura Haynes, Jennifer S. Fehrenbacher, Elise Poni...
Alkalinity enhancement of open ocean and coastal environments has been proposed as a scalable method for CO2 drawdown. However, the effects of OAE on ...
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Calibrating Non‐Thermal Effects on Planktic Foraminiferal Mg/Ca for Application Across the Cenozoic
PALEOCEANOGRAPHY AND PALEOCLIMATOLOGY
09 october 2023
Laura Haynes, Baerbel Hoenisch, Katherine Holland,...
Foraminiferal Mg/Ca has proven to be a powerful paleothermometer for reconstructing past sea‐surface temperature, which, among other applicat...
Comparing the boron isotope proxy for atmospheric CO2 in two species of planktic foraminifera across the late Neogene
TOWARD A CO2 ‘KEELING CURVE’ FOR GEOLOGIC TIME I POSTER
paleoceanography and paleoclimatology | 12 december 2022
Lloyd B. Anderson, Baerbel Hoenisch, Pratigya J. P...
Estimation of past changes in atmospheric CO2 and associated climate is one vital undertaking that allows us to project the response of Earths climate...
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Community Efforts to Document and Refine Paleoreconstructions
EMILIANI LECTURE I
paleoceanography and paleoclimatology | 15 december 2021
Baerbel Hoenisch
One of the keys to improving projections of future climate changes lies in quantifying natural climate experiments in the geological record, and paleo...
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Exploring the Relative Effects of Δ[CO32-] and [B]sw on Benthic Foraminifer B/Ca Ratios
PALEOCEANOGRAPHIC INSIGHTS FROM BIOMINERALIZERS: ADVANCING PROXY APPLICATIONS VIA PROCESS-BASED UNDERSTANDING II POSTER
paleoceanography and paleoclimatology | 14 december 2021
Ingrid Izaguirre, Baerbel Hoenisch
Understanding the pathways and magnitude of carbon transfer between the ocean and atmosphere in geologic time provides a powerful predictive tool for ...
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