Exploring frontiers: Research
Gulf of Mexico Hypoxia research:
The second largest zone of coastal hypoxia (oxygen-depleted waters) in the world is found on the north...
Rich geochemical datasets generated over the past 30 years have provided fine-scale resoluti...
The importance of silica in maintaining ecological balance:
Diatom phytoplankton populations are the usual food for zooplankton and filter feeding fishes and...
Development of phytoplankton communities was studied in floating enclosures. The...
Natural and human factors controlling dissolved silica (DSi) export from the watershed were...
The role of diatoms in reducing respiration (hypoxia) at depth:
Marine diatoms require dissolved silicate to form an external shell, and their growth becomes Si-limit...
Decomposition of {sup 13}C-labeled dissolved organic carbon (DOC) produced in two marine di...
How water salinities constrain the distribution of diatoms:
Taking lessons learned from our geologic past and applying them to solving problems at present:
The late Paleocene to early Eocene was marked by major changes in Earth surface temperature and...
Major variations in global carbon cycling occurred between 62 and 48 Ma, and these very l
We present new lithologic, biostratigraphic and carbon isotope records for a calcareous-ri...
Past episodes of greenhouse warming provide insight into the coupling of climate and the car...
Isotopic records across the “Latest Paleocene Thermal Maximum“ (LPTM) indicate that bottom wa...
Paleoclimate d ata show that climate sensitivity is ~3°C for doubled CO2, including only fast f...
Measurement, Reporting, and Verification (MRV) publications:
Respiration, photosynthetic production, and diffusion interact to produce the daily curve of oxy...
Ocean acidification produced by dissolution of anthropogenic carbon dioxide (CO2) emissions...
The biological transformation of dissolved inorganic carbon to organic carbon during photosyn...
Aquatic ecosystems are globally significant sources of the greenhouse gas methane to the...
Documenting ecological patterns across spatially, temporally and taxonomically diverse ecological...
Why we do not work in freshwater settings including rivers:
Atmospheric methane is a potent greenhouse gas that plays a major role in controlling the Earth’s clim...
This paper provides a comprehensive analysis of the annual patterns of ecosystem pro...
Carbon dioxide (CO2) transfer from inland waters to the atmosphere, known as CO2 evasion, is a comp...