Peter G. Strutton
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View article: An improved model of particle attenuation reduces estimates of Southern Ocean carbon transfer efficiency
An improved model of particle attenuation reduces estimates of Southern Ocean carbon transfer efficiency Open
The downward transport of organic particles produced by marine organisms is a key control on the ocean’s carbon storage. Measurements of particle attenuation through the water column have historically been used to infer the sequestration p…
View article: Pathways to an integrated understanding of marine environments and ecosystems in the Asia-Pacific Region
Pathways to an integrated understanding of marine environments and ecosystems in the Asia-Pacific Region Open
The Asia-Pacific Region (APR) encompasses a vast geographical area rich in marine biodiversity that plays critical roles in global ecological stability and climate regulation, but it also faces daunting challenges in maintaining these role…
View article: The Contribution of Deep Chlorophyll Maxima to Net Primary Production in the Southern Ocean
The Contribution of Deep Chlorophyll Maxima to Net Primary Production in the Southern Ocean Open
Deep chlorophyll maxima (DCMs) have long been studied in the northern hemisphere but have received less attention in the Southern Ocean. Their contribution to phytoplankton biomass and net primary productivity (NPP) is poorly resolved. Rec…
View article: Drivers of Phytoplankton Bloom Interannual Variability in the Amundsen and Pine Island Polynyas
Drivers of Phytoplankton Bloom Interannual Variability in the Amundsen and Pine Island Polynyas Open
The Amundsen Sea Embayment experiences both the highest ice shelf melt rates and the highest biological productivity in West Antarctica. Using 19 years of satellite data and modelling output, we investigated the long-term influence of envi…
View article: The influence of ocean waves on Antarctic sea-ice albedo and seasonal melting, and physical-biological feedbacks
The influence of ocean waves on Antarctic sea-ice albedo and seasonal melting, and physical-biological feedbacks Open
Identifying the processes that drive the rapid climatological retreat phase of Antarctica’s annual sea-ice cycle is crucial to understanding, modelling and attributing observed trends and recent high variability in sea-ice extent, and to p…
View article: Linking phytoplankton phenology and carbon cycling to sea ice retreat timing in the Weddell Sea
Linking phytoplankton phenology and carbon cycling to sea ice retreat timing in the Weddell Sea Open
The Southern Ocean seasonal sea ice zone (SIZ) is a critical region for primary production and ocean carbon uptake, heavily influenced by seasonal variation in sea ice extent, which has changed dramatically in recent years. Here we show th…
View article: Global trends in ocean fronts: impacts on air-sea CO2 flux and chlorophyll concentrations
Global trends in ocean fronts: impacts on air-sea CO2 flux and chlorophyll concentrations Open
Ocean fronts are dynamic features that play a critical role in regulating marine ecosystems and influencing global carbon cycles. These regions, characterized by strong horizontal gradients in temperature, salinity, and other properties, e…
View article: Status and prospects of biogeochemical Argo observations of chlorophyll-a in the northwest Pacific
Status and prospects of biogeochemical Argo observations of chlorophyll-a in the northwest Pacific Open
Biogeochemical Argo (BGC-Argo) floats are autonomous marine observing platforms that monitor chlorophyll-a and other indicators of ocean ecosystem health globally. Since 2018, there has been an increase in the number of chlorophyll-a obser…
View article: Phytoplankton blooms in the new Southern Ocean sea ice regime
Phytoplankton blooms in the new Southern Ocean sea ice regime Open
Over the last decade, the Antarctic sea ice extent has recorded record highs and lows. The anomalous low in 2023 suggested a new reduced sea-ice state, with unknown impacts on phytoplankton blooms, including phenology and magnitude. Analys…
View article: Background nutrient concentration determines phytoplankton bloom response to marine heatwaves
Background nutrient concentration determines phytoplankton bloom response to marine heatwaves Open
Ocean temperature extreme events such as marine heatwaves are expected to intensify in coming decades due to anthropogenic global warming. Reported ecological and economic impacts of marine heatwaves include coral bleaching, local extincti…
View article: Carbon Export in the Subantarctic Zone Revealed by Multi‐Year Observations From Biogeochemical‐Argo Floats and Sediment Traps
Carbon Export in the Subantarctic Zone Revealed by Multi‐Year Observations From Biogeochemical‐Argo Floats and Sediment Traps Open
The biological gravitational pump (BGP) and particle injection pumps (PIPs) are significant export pathways for particulate organic carbon from the surface ocean to the interior. Part of this exported carbon fuels remineralization in the m…
View article: Large contribution of the sea-ice zone to Southern Ocean carbon export revealed by BGC-Argo floats
Large contribution of the sea-ice zone to Southern Ocean carbon export revealed by BGC-Argo floats Open
The Southern Ocean (south of 30°S) contributes significantly to global ocean carbon uptake through the solubility pump and phytoplankton productivity. Many studies have estimated carbon export to the deep ocean, but very few have attempted…
View article: Large contribution of the sea-ice zone to Southern Ocean carbon export revealed by BGC-Argo floats
Large contribution of the sea-ice zone to Southern Ocean carbon export revealed by BGC-Argo floats Open
The Southern Ocean (south of 30°S) contributes significantly to global ocean carbon uptake through the solubility pump and phytoplankton productivity. Many studies have estimated carbon export to the deep ocean, but very few have attempted…
View article: Subsurface chlorophyll maxima reduce the performance of non-photochemical quenching corrections in the Southern Ocean
Subsurface chlorophyll maxima reduce the performance of non-photochemical quenching corrections in the Southern Ocean Open
Non-photochemical quenching (NPQ) within phytoplankton cells often causes the daytime suppression of chlorophyll fluorescence in the Southern Ocean. This is problematic and requires accurate correction when chlorophyll fluorescence is used…
View article: Drivers of Air‐Sea CO<sub>2</sub> Flux in the Subantarctic Zone Revealed by Time Series Observations
Drivers of Air‐Sea CO<sub>2</sub> Flux in the Subantarctic Zone Revealed by Time Series Observations Open
The subantarctic zone is an important region in the Southern Ocean with respect to its influence on air‐sea CO 2 exchange and the global ocean carbon cycle. However, understanding of the magnitude and drivers of the flux are still being re…
View article: Meridional transport of physical and biogeochemical tracers by Southern Ocean eddies
Meridional transport of physical and biogeochemical tracers by Southern Ocean eddies Open
Meridional eddy transport across the Antarctic Circumpolar Current is an essential component of the global meridional overturning circulation and the transport of climate relevant tracers. Challenges in comparing model and observational es…
View article: Global trends of fronts and chlorophyll in a warming ocean
Global trends of fronts and chlorophyll in a warming ocean Open
Ocean fronts affect phytoplankton and higher trophic levels, including commercially important fisheries. As the oceans warm, uncertainty remains around the trends in fronts. Here we examine changes in sea surface temperature fronts (freque…
View article: Drivers of air-sea CO2 flux in the subantarctic zone revealed by time series observations
Drivers of air-sea CO2 flux in the subantarctic zone revealed by time series observations Open
A MLR model was built based on SOTS data, to simulate surface pCO2 in the Australian sector SAZ over the last 20 years.• Biological productivity controls the seasonal variability of pCO2, and drives a net carbon sink over two decades.• Mes…
View article: SST_front_data: ocean thermal fronts detected by the Cayula and Cornillon SIED algorithm
SST_front_data: ocean thermal fronts detected by the Cayula and Cornillon SIED algorithm Open
This dataset includes the post-processed data and a demo MATLAB script used for the paper titled "Global trends of fronts and chlorophyll in a warming ocean" SST_FRONT_data.zip contains maps of sea surface temperature (SST) fronts detected…
View article: SST_front_data: ocean thermal fronts detected by the Cayula and Cornillon SIED algorithm
SST_front_data: ocean thermal fronts detected by the Cayula and Cornillon SIED algorithm Open
This dataset includes the post-processed data and a demo MATLAB script used for the paper titled "Global trends of fronts and chlorophyll in a warming ocean" SST_FRONT_data.zip contains maps of sea surface temperature (SST) fronts detected…
View article: Biogeochemical‐Argo floats show that chlorophyll increases before carbon in the high‐latitude Southern Ocean spring bloom
Biogeochemical‐Argo floats show that chlorophyll increases before carbon in the high‐latitude Southern Ocean spring bloom Open
In the Southern Ocean, phytoplankton blooms are an annually recurring prominent feature that play a significant role in ocean CO 2 uptake. Understanding the timing of the phytoplankton bloom is necessary to provide insights into the underl…
View article: Biogeochemical Argo Floats Reveal the Evolution of Subsurface Chlorophyll and Particulate Organic Carbon in Southeast Indian Ocean Eddies
Biogeochemical Argo Floats Reveal the Evolution of Subsurface Chlorophyll and Particulate Organic Carbon in Southeast Indian Ocean Eddies Open
Eddies modulate open ocean productivity, and this influence depends on both eddy source and evolution. Southeast Indian Ocean eddies are important pathways for the westward transport of biogeochemical anomalies from the Leeuwin current int…
View article: Seasonality of downward carbon export in the Pacific Southern Ocean revealed by multi-year robotic observations
Seasonality of downward carbon export in the Pacific Southern Ocean revealed by multi-year robotic observations Open
At high latitudes, the biological carbon pump, which exports organic matter from the surface ocean to the interior, has been attributed to the gravitational sinking of particulate organic carbon. Conspicuous deficits in ocean carbon budget…
View article: SST_front_data: ocean thermal fronts detected by the Cayula and Cornillon SIED algorithm
SST_front_data: ocean thermal fronts detected by the Cayula and Cornillon SIED algorithm Open
This dataset includes the post-processed data and a demo MATLAB script used for the paper titled "Global trends of fronts in a warming ocean and impacts on phytoplankton productivity" SST_FRONT_data.zip contains maps of sea surface tempera…