Member Since 2000
Colleen Hansel
Senior Scientist, Woods Hole Oceanographic Institution
Professional Experience
Woods Hole Oceanographic Institution
Senior Scientist
2020 - Present
Woods Hole Oceanographic Institution
Associate Scientist
2012 - 2020
Education
Stanford University
Doctorate
2004
Honors & Awards
William S. and Carelyn Y. Reeburgh Lecture
Received December 2019
Current Roles
President
Biogeosciences Executive Committee
Section President
Council
Publications
Foraminiferal Mn/Ca as Bottom‐Water Hypoxia Proxy: An Assessment of Nonionella stella in the Santa B...
Hypoxia is of increasing concern in marine areas, calling for a better understanding of mechanisms leading to decreasing dissolved oxygen concentra...
October 28, 2021
Spectroscopic Insights Into Ferromanganese Crust Formation a...
November 11, 2020
Spatial Heterogeneity in Particle‐Associated, Light‐Independ...
October 16, 2020
The Spatial and Temporal Variability of Mn Speciation in the...
January 08, 2020
AGU Abstracts
High resolution physical and biogeochemical gradients drive nitrogen cycling in a meromictic coastal pond
OCEAN SCIENCES 2024
physical-biological interactions | 22 february 2024
Scott D. Wankel, Colleen Hansel, Kate Lane, Donald...
Redox gradients and zonation are major characteristics underpinning elemental cycling across a wide range of Earth surface environments. Understanding...
View Abstract
Widespread genetic potential and phenotypic expression of extracellular superoxide production in diverse Scleractinian coral species
OCEAN SCIENCES 2024
ocean biology and biogeochemistry | 20 february 2024
Kalina C. Grabb, Santiago Herrera, Loretta Roberso...
Reactive oxygen species (ROS), including superoxide, are produced by all aerobic organisms and have beneficial and detrimental effects depending on th...
View Abstract
Towards a better understanding of thallium isotope cycling in modern redox-stratified settings
UNDERSTANDING THE INFLUENCES OF SEDIMENTARY AND OCEANOGRAPHIC PROCESSES ON GEOCHEMICAL ARCHIVES ACROSS GEOLOGIC TIME II ORAL
paleoceanography and paleoclimatology | 15 december 2022
Chadlin M. Ostrander, Sune Nielsen, Elizabeth Swan...
Thallium (Tl) isotopes are being used as a tool for tracking the history of molecular oxygen (O2) in Earths oceans. Thallium isotope compositions (ε20...
View Abstract
Volunteer Experience
2024 - 2024
Chair
Biogeosciences Fellows Committee
2023 - 2024
President
Biogeosciences Executive Committee
2023 - 2024
Section President
Council
Check out all of Colleen Hansel’s AGU Research!
View All Research Now