Research Geochemist Renee Takesue combines geology and chemistry to shed light on how chemical components from natural and human-made sources make their way into coastal environments.
Renee Takesue
Research Geologist with the USGS Pacific Coastal and Marine Science Center
I grew up exploring tide pools and visiting family who threw nets to catch reef fish and harvested ʻopihi. This close connection with the ocean from an early age shaped my path to become a marine scientist. My degrees in oceanography taught me to use physical sciences to understand influences on coastal resources. I study land-to-sea runoff of sediment and contaminants driven by both natural processes and human activities and their effects on coastal communities. My studies span a wide range of topics – urban contaminants in nearshore food webs, wildfire contaminants entering coastal streams and biota, post-hurricane mass wasting to coral reefs, and blue carbon burial in seagrass beds. Insights about how these systems function help decision-makers balance the needs of society and well-functioning ecosystems that provide resources, reduce risks from climate change, and improve human well-being.
Professional Experience
Research Geologist, USGS Coastal and Marine Hazards and Resources Program
Mendenhall Postdoctoral Fellow, USGS Volcano Hazards Program
Graduate Fellow, Lamont-Doherty Earth Observatory, Columbia University
Education and Certifications
Ph.D., Columbia University, Chemical Oceanography
B.S., Cal Poly Humboldt, Geological Oceanography
Science and Products
Coral Reef Project
Landscape Response to Disturbance
Puget Sound Priority Ecosystems Science
Estuaries and large river deltas in the Pacific Northwest
Metals and PAHs in watershed soil and reef sediment at Olowalu and leeward Maui, February 2022
Eelgrass and substrate characteristics in Bellingham Bay, Washington, July 2019 and July-August 2020
Geochemistry of fine sediment from San Francisco Bay shoals (2012) and tributaries (2010, 2012, 2013)
Geochemistry of surface sediment and sediment cores in Bellingham Bay, Whatcom County, Washington, in February 2020
Metal and other element partitioning in southwest Puerto Rico ultramafic soil, Rio Loco sediment, and Guanica Bay sediment
Geophysical properties, geochronologic, and geochemical data of sediment cores collected from San Pablo Bay, California, October 17-20, 2016
Parent and alkylated polycyclic aromatic hydrocarbons (PAHs) and per- and polyfluoroalkyl substances (PFAS) in north San Francisco Bay, Napa River, and Sonoma Creek in 2018 and 2019
Geochemistry of fine-grained sediment in Bellingham Bay, Nooksack River, and small creeks from June 2017 to September 2019
Eelgrass distributions and bathymetry of the Nisqually River delta, Washington
Geochemistry of sediment and organic matter in drainages burned by the Altas and Nuns wildfires in October 2017 and of nearshore seabed sediment in north San Francisco Bay from March to April 2018
Geochemical and isotopic compositions of stream sediment, parent rock, and nearshore sediment from southwest Puerto Rico, April 2017-June 2018
Inorganic compositional data for fine-grained Puget Sound sediment along the Burlington Northern Santa Fe rail line, September 2015
Research Geochemist Renee Takesue combines geology and chemistry to shed light on how chemical components from natural and human-made sources make their way into coastal environments.
Research Geochemist Renee Takesue combines geology and chemistry to shed light on how chemical components from natural and human-made sources make their way into coastal environments.
Research Geochemist Renee Takesue combines geology and chemistry to shed light on how chemical components from natural and human-made sources make their way into coastal environments.
Informing coral reef conservation and management with geochemical sourcing of land-based sediment and contaminants at Olowalu, a Mission Blue Hope Spot
linkThis talk was presented at the 15th International Coral Reefs Symposium, 03-08 July 2022 (Hybrid event), under Theme 12, Conservation and Management, Session 12E: How can scientists and managers identify optimum catchment management actions to improve downstream condition for reefs and people?
Informing coral reef conservation and management with geochemical sourcing of land-based sediment and contaminants at Olowalu, a Mission Blue Hope Spot
linkThis talk was presented at the 15th International Coral Reefs Symposium, 03-08 July 2022 (Hybrid event), under Theme 12, Conservation and Management, Session 12E: How can scientists and managers identify optimum catchment management actions to improve downstream condition for reefs and people?
Fluvial delivery and wave resuspension of sediment in a sheltered, urbanized Pacific Northwest estuary
Element concentrations and grain size of sediment from the Similkameen River above Enloe Dam (Enloe Reservoir) near Oroville, Washington, 2019
In 2019, the U.S. Geological Survey conducted a reconnaissance survey of concentrations of 41 trace elements present in bed sediment in the reservoir on the Similkameen River upstream from Enloe Dam, near Oroville, Washington. The Similkameen River drains a watershed containing highly mineralized geologic deposits with current (2019) and historical mining activity. Results of this survey indicated
Marine paleoseismic evidence for seismic and aseismic slip along the Hayward-Rodgers Creek fault system in northern San Pablo Bay
Land-based sediment sources and transport to southwest Puerto Rico coral reefs after Hurricane Maria, May 2017 to June 2018
Legacy and current-use toxic contaminants in Pacific sand lance (Ammodytes personatus) from Puget Sound, Washington
Physicochemical controls on zones of higher coral stress where Black Band Disease occurs at Mākua Reef, Kauaʻi, Hawaiʻi
Polycyclic aromatic hydrocarbons, polychlorinated biphenyls, and metals in ambient sediment at mussel biomonitoring sites, Puget Sound, Washington
Caged mussels used as biomonitors can provide insights about ambient contaminant assemblages and spatial patterns, sources of contaminants, and contaminant exposure risks for consumers of wild and farmed mussels. This study explored the potential role of ambient sediment in the uptake of polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), and potentially toxic inorganic elem
Polychlorinated biphenyls (PCBs) in the Pacific sand lance, Puget Sound, Washington
Sources, timing, and fate of sediment and contaminants in the nearshore: insights from geochemistry
Rivers in Cascade watersheds carry sediment with a volcanic composition that is distinct from the plutonic composition of the Puget lowlands. Compositional properties (signatures) allow discrimination of river-sourced Cascade from lowland sediment, and inferences about transport pathways. Surface sediment on land contains atmospheric radionuclides whose known decay rates define monthly (7Be) and d
Stream sediment geochemistry of four small drainages on the north shore of Kauai west of Hanalei
Contaminant baselines and sediment provenance along the Puget Sound Energy Transport Corridor, 2015
A snapshot of women of the U.S. Geological Survey in STEM and related careers
Science and Products
Coral Reef Project
Landscape Response to Disturbance
Puget Sound Priority Ecosystems Science
Estuaries and large river deltas in the Pacific Northwest
Metals and PAHs in watershed soil and reef sediment at Olowalu and leeward Maui, February 2022
Eelgrass and substrate characteristics in Bellingham Bay, Washington, July 2019 and July-August 2020
Geochemistry of fine sediment from San Francisco Bay shoals (2012) and tributaries (2010, 2012, 2013)
Geochemistry of surface sediment and sediment cores in Bellingham Bay, Whatcom County, Washington, in February 2020
Metal and other element partitioning in southwest Puerto Rico ultramafic soil, Rio Loco sediment, and Guanica Bay sediment
Geophysical properties, geochronologic, and geochemical data of sediment cores collected from San Pablo Bay, California, October 17-20, 2016
Parent and alkylated polycyclic aromatic hydrocarbons (PAHs) and per- and polyfluoroalkyl substances (PFAS) in north San Francisco Bay, Napa River, and Sonoma Creek in 2018 and 2019
Geochemistry of fine-grained sediment in Bellingham Bay, Nooksack River, and small creeks from June 2017 to September 2019
Eelgrass distributions and bathymetry of the Nisqually River delta, Washington
Geochemistry of sediment and organic matter in drainages burned by the Altas and Nuns wildfires in October 2017 and of nearshore seabed sediment in north San Francisco Bay from March to April 2018
Geochemical and isotopic compositions of stream sediment, parent rock, and nearshore sediment from southwest Puerto Rico, April 2017-June 2018
Inorganic compositional data for fine-grained Puget Sound sediment along the Burlington Northern Santa Fe rail line, September 2015
Research Geochemist Renee Takesue combines geology and chemistry to shed light on how chemical components from natural and human-made sources make their way into coastal environments.
Research Geochemist Renee Takesue combines geology and chemistry to shed light on how chemical components from natural and human-made sources make their way into coastal environments.
Research Geochemist Renee Takesue combines geology and chemistry to shed light on how chemical components from natural and human-made sources make their way into coastal environments.
Research Geochemist Renee Takesue combines geology and chemistry to shed light on how chemical components from natural and human-made sources make their way into coastal environments.
Informing coral reef conservation and management with geochemical sourcing of land-based sediment and contaminants at Olowalu, a Mission Blue Hope Spot
linkThis talk was presented at the 15th International Coral Reefs Symposium, 03-08 July 2022 (Hybrid event), under Theme 12, Conservation and Management, Session 12E: How can scientists and managers identify optimum catchment management actions to improve downstream condition for reefs and people?
Informing coral reef conservation and management with geochemical sourcing of land-based sediment and contaminants at Olowalu, a Mission Blue Hope Spot
linkThis talk was presented at the 15th International Coral Reefs Symposium, 03-08 July 2022 (Hybrid event), under Theme 12, Conservation and Management, Session 12E: How can scientists and managers identify optimum catchment management actions to improve downstream condition for reefs and people?
Fluvial delivery and wave resuspension of sediment in a sheltered, urbanized Pacific Northwest estuary
Element concentrations and grain size of sediment from the Similkameen River above Enloe Dam (Enloe Reservoir) near Oroville, Washington, 2019
In 2019, the U.S. Geological Survey conducted a reconnaissance survey of concentrations of 41 trace elements present in bed sediment in the reservoir on the Similkameen River upstream from Enloe Dam, near Oroville, Washington. The Similkameen River drains a watershed containing highly mineralized geologic deposits with current (2019) and historical mining activity. Results of this survey indicated
Marine paleoseismic evidence for seismic and aseismic slip along the Hayward-Rodgers Creek fault system in northern San Pablo Bay
Land-based sediment sources and transport to southwest Puerto Rico coral reefs after Hurricane Maria, May 2017 to June 2018
Legacy and current-use toxic contaminants in Pacific sand lance (Ammodytes personatus) from Puget Sound, Washington
Physicochemical controls on zones of higher coral stress where Black Band Disease occurs at Mākua Reef, Kauaʻi, Hawaiʻi
Polycyclic aromatic hydrocarbons, polychlorinated biphenyls, and metals in ambient sediment at mussel biomonitoring sites, Puget Sound, Washington
Caged mussels used as biomonitors can provide insights about ambient contaminant assemblages and spatial patterns, sources of contaminants, and contaminant exposure risks for consumers of wild and farmed mussels. This study explored the potential role of ambient sediment in the uptake of polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), and potentially toxic inorganic elem
Polychlorinated biphenyls (PCBs) in the Pacific sand lance, Puget Sound, Washington
Sources, timing, and fate of sediment and contaminants in the nearshore: insights from geochemistry
Rivers in Cascade watersheds carry sediment with a volcanic composition that is distinct from the plutonic composition of the Puget lowlands. Compositional properties (signatures) allow discrimination of river-sourced Cascade from lowland sediment, and inferences about transport pathways. Surface sediment on land contains atmospheric radionuclides whose known decay rates define monthly (7Be) and d