Douglas Hamilton
Bio
“How is human activity perturbing the Earth system and what are the impacts of these changes for climate, biogeochemical cycles, and society?”
Answering this question requires taking a holistic view of how wildfires and other natural aerosol are a fundamental component of the climate system and biogeochemical cycles. Diverse observations and Earth system models can be used to quantify the integrated impact of human activity on Earth system natural processes and evaluate the feedbacks to which society is most sensitive. As an Earth system scientist, my research interests are inherently interdisciplinary and interface across a blend of climate science, atmospheric science, biogeochemistry, health impact science, and analytical chemistry.
Education
PhD University of Leeds, UK 2016
Masters University of East Anglia, UK 2012
Area(s) of Expertise
1) Investigating how aerosols couple Earth system processes from the local to global scale among the solid surface, oceans, hydrosphere, atmosphere, biosphere, and cryosphere within the Anthropocene.
2) Evaluation of how fire regimes are modified both by climate change and shifts in human land use management practices. Related science questions advance understanding of how changes in fires then alter the energy balance of the atmosphere, clouds, regional weather, biogeochemical cycles, and air quality.
3) Determining the impact that changes in aerosol nutrient supply to marine regions has on phytoplankton productivity, carbon dioxide sequestration, and the overall health of our oceans.
Publications
- Acclimation of Phytoplankton Fe:C Ratios Dampens the Biogeochemical Response to Varying Atmospheric Deposition of Soluble Iron , GLOBAL BIOGEOCHEMICAL CYCLES (2023)
- Atmospheric Radiative and Oceanic Biological Productivity Responses to Increasing Anthropogenic Combustion‐Iron Emission in the 1850–2010 Period , Geophysical Research Letters (2022)
- Global Dust Cycle and Direct Radiative Effect in E3SM Version 1: Impact of Increasing Model Resolution , Journal of Advances in Modeling Earth Systems (2022)
- Importance of different parameterization changes for the updated dust cycle modelling in the Community Atmosphere Model (version 6.1) , (2022)
- Supplementary material to "Importance of different parameterization changes for the updated dust cycle modelling in the Community Atmosphere Model (version 6.1)" , (2022)
- Surface Ocean Biogeochemistry Regulates the Impact of Anthropogenic Aerosol Fe Deposition on the Cycling of Iron and Iron Isotopes in the North Pacific , Geophysical Research Letters (2022)
- Surface ocean biogeochemistry regulates the impact of anthropogenic aerosol Fe deposition on iron and iron isotopes in the North Pacific , (2022)
- The underappreciated role of anthropogenic sources in atmospheric soluble iron flux to the Southern Ocean , npj Climate and Atmospheric Science (2022)
- Variable Phytoplankton Iron Quotas Modify Marine Biogeochemistry and Dampen the Response to Varying Atmospheric Iron Deposition , (2022)
- Wildfire aerosol deposition likely amplified a summertime Arctic phytoplankton bloom , COMMUNICATIONS EARTH & ENVIRONMENT (2022)