Biological Oceanography Group

Francisco P. Chavez, Principal Investigator

We study the biology and chemistry of the ocean in relation to global change. How climate, ocean physics, marine chemistry, and ocean ecosystems co-vary on global to meso scale, using instrumentation and systems for long-term ocean observing, such as satellite remote sensing, instrumented moorings and drifters, autonomous vehicles, and ships.

Focusing on the upper water column, our current studies include projects in Central California and Mexico. We have also participated in projects in the equatorial Pacific and Peru, in addition to involvement in the NOAA Long Line cruise. Our repository of data includes physical, biological, and chemical properties of our time series from ships and moorings.


Mooring data

It is our intent to share this data as freely as possible with the general oceanographic community to maximize its utility and exposure.

Biological oceanography research

We strive for a better understanding of the causes of temporal and spatial variability in phytoplankton biomass, composition and production at meso to large scales, and to relating the variations to climate, ocean variability and upper ocean biogeochemical cycles.



Upper-ocean systems
Biological oceanography
Biological oceanography research
Publication—Global modes of sea surface temperature
Chemical sensors
Chemical data
Land/Ocean Biogeochemical Observatory in Elkhorn Slough
Listing of floats
SOCCOM float visualization
Periodic table of elements in the ocean
Biogeochemical-Argo Report
Profiling float
Marine microbes
Population dynamics of phytoplankton
Microbial predators
Microbe-algae interactions
Targeted metagenomics
In the news
Upcoming events and lab news
Past talks and presentations
Join the lab
Molecular ecology
Molecular systematics
SIMZ Project
Bone-eating worms
Gene flow and dispersal
Molecular-ecology expeditions
Interdisciplinary field experiments
Genomic sensors
Ocean observing system
Midwater research
Midwater ecology
Deep-sea squids and octopuses
Food web dynamics
Midwater time series
Respiration studies
Zooplankton biodiversity
Seafloor processes
Biology and ecology
Effects of humans
Ocean acidification, warming, deoxygenation
Lost shipping container study
Effects of upwelling
Faunal patterns
Past research
Technology development
High-CO2 / low-pH ocean
Benthic respirometer system
Climate change in extreme environments
Monitoring instrumentation suite
Sargasso Sea research
Antarctic research
Long-term time series
Geological changes
Arctic Shelf Edge
Continental Margins and Canyon Dynamics
Coordinated Canyon Experiment
Monterey Canyon: Stunning deep-sea topography revealed
Ocean chemistry of greenhouse gases
Emerging science of a high CO2/low pH ocean
Submarine volcanoes
Mid-ocean ridges
Magmatic processes
Volcanic processes
Explosive eruptions
Hydrothermal systems
Back arc spreading ridges
Near-ridge seamounts
Continental margin seamounts
Non-hot-spot linear chains
Eclectic seamounts topics
Margin processes
Hydrates and seeps
California borderland
Hot spot research
Hot-spot plumes
Magmatic processes
Volcanic processes
Explosive eruptions
Volcanic hazards
Hydrothermal systems
Flexural arch
Coral reefs
ReefGrow software
Eclectic topics
Submarine volcanism cruises
Volcanoes resources
Areas of study
Microscopic biology research
Open ocean biology research
Seafloor biology research
Automated chemical sensors
Methane in the seafloor
Volcanoes and seamounts
Hydrothermal vents
Methane in the seafloor
Submarine canyons
Earthquakes and landslides
Ocean acidification
Physical oceanography and climate change
Ocean circulation and algal blooms
Ocean cycles and climate change
Research publications