Greg Pelletier
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View article: Ocean Acidification: Another Planetary Boundary Crossed
Ocean Acidification: Another Planetary Boundary Crossed Open
Ocean acidification has been identified in the Planetary Boundary Framework as a planetary process approaching a boundary that could lead to unacceptable environmental change. Using revised estimates of pre‐industrial aragonite saturation …
View article: Assessment framework to predict sensitivity of marine calcifiers to ocean alkalinity enhancement: identification of biological thresholds and importance of precautionary principle
Assessment framework to predict sensitivity of marine calcifiers to ocean alkalinity enhancement: identification of biological thresholds and importance of precautionary principle Open
Ocean alkalinity enhancement (OAE), one of the marine carbon dioxide removal strategies, is gaining recognition in its ability to mitigate climate change and ocean acidification (OA). OAE is based on adding alkalinity to open-ocean and coa…
View article: Assessment framework to predict sensitivity of marine calcifiers to ocean alkalinity enhancement – identification of biological thresholds and importance of precautionary principle
Assessment framework to predict sensitivity of marine calcifiers to ocean alkalinity enhancement – identification of biological thresholds and importance of precautionary principle Open
Ocean alkalinity enhancement (OAE), one of the marine carbon dioxide removal strategies, is gaining recognition in its ability to mitigate climate change and ocean acidification (OA). OAE is based on adding alkalinity to open-ocean and coa…
View article: Sensitivity of pteropod calcification to multi stressor variability in coastal habitats
Sensitivity of pteropod calcification to multi stressor variability in coastal habitats Open
Comprehensive understanding of environmental multiple stressors on calcification in marine calcifiers remains an important topic of study, especially under ocean global change associated with multiple stressors. We explore the impact of mu…
View article: Predictable patterns within the kelp forest can indirectly create temporary refugia from ocean acidification
Predictable patterns within the kelp forest can indirectly create temporary refugia from ocean acidification Open
Kelps are recognized for providing many ecosystem services in coastal areas and considered in ocean acidification (OA) mitigation. However, assessing OA modification requires an understanding of the multiple parameters involved in carbonat…
View article: Comment on egusphere-2024-947
Comment on egusphere-2024-947 Open
Abstract. Ocean alkalinity enhancement (OAE), one of the marine carbon dioxide removal strategies, is gaining importance in its role towards alleviating the consequences of climate change as well as mitigating against ocean acidification (…
View article: Comment on egusphere-2024-947
Comment on egusphere-2024-947 Open
Abstract. Ocean alkalinity enhancement (OAE), one of the marine carbon dioxide removal strategies, is gaining importance in its role towards alleviating the consequences of climate change as well as mitigating against ocean acidification (…
View article: Unifying framework for assessing sensitivity for marine calcifiers to ocean alkalinity enhancement identifies winners, losers and biological thresholds – importance of caution with precautionary principle
Unifying framework for assessing sensitivity for marine calcifiers to ocean alkalinity enhancement identifies winners, losers and biological thresholds – importance of caution with precautionary principle Open
Ocean alkalinity enhancement (OAE), one of the marine carbon dioxide removal strategies, is gaining importance in its role towards alleviating the consequences of climate change as well as mitigating against ocean acidification (OA). OAE i…
View article: Predictable patterns within the kelp forest can indirectly create temporary spatial refugia for ocean acidification
Predictable patterns within the kelp forest can indirectly create temporary spatial refugia for ocean acidification Open
Seaweeds are gaining recognition as a significant CO2 sink with a role in active mitigation andclimate change adaptation, and specifically so in the application of an innovative coastal CO2 removal belt, effectively utilizing seaweed habit…
View article: Global Synthesis of the Status and Trends of Ocean Acidification Impacts on Shelled Pteropods
Global Synthesis of the Status and Trends of Ocean Acidification Impacts on Shelled Pteropods Open
The accumulation of anthropogenic CO2 in the ocean has major ecological, socioeconomic, and biogeochemical impacts, with repercussions for the ocean as a critical carbon sink. Ocean acidification (OA) disproportionally affects marine calci…
View article: Natural Analogues in pH Variability and Predictability across the Coastal Pacific Estuaries: Extrapolation of the Increased Oyster Dissolution under Increased pH Amplitude and Low Predictability Related to Ocean Acidification
Natural Analogues in pH Variability and Predictability across the Coastal Pacific Estuaries: Extrapolation of the Increased Oyster Dissolution under Increased pH Amplitude and Low Predictability Related to Ocean Acidification Open
Coastal-estuarine habitats are rapidly changing due to global climate change, with impacts influenced by the variability of carbonate chemistry conditions. However, our understanding of the responses of ecologically and economically import…
View article: Monitoring Ocean Acidification within State Borders: Lessons from Washington State (USA)
Monitoring Ocean Acidification within State Borders: Lessons from Washington State (USA) Open
The Washington State Department of Ecology conducted a large-scale ocean acidification (OA) study in greater Puget Sound to: (1) produce a marine carbon dioxide (CO2) system dataset capable of distinguishing between long-term anthropogenic…
View article: Natural and Anthropogenic Drivers of Acidification in Large Estuaries
Natural and Anthropogenic Drivers of Acidification in Large Estuaries Open
Oceanic uptake of anthropogenic carbon dioxide (CO 2 ) from the atmosphere has changed ocean biogeochemistry and threatened the health of organisms through a process known as ocean acidification (OA). Such large-scale changes affect ecosys…
View article: Chemical Exposure Due to Anthropogenic Ocean Acidification Increases Risks for Estuarine Calcifiers in the Salish Sea: Biogeochemical Model Scenarios
Chemical Exposure Due to Anthropogenic Ocean Acidification Increases Risks for Estuarine Calcifiers in the Salish Sea: Biogeochemical Model Scenarios Open
Ocean acidification (OA) is projected to have profound impacts on marine ecosystems and resources, especially in estuarine habitats. Here, we describe biological risks under current levels of exposure to anthropogenic OA in the Salish Sea,…
View article: Seasonal carbonate chemistry variability in marine surface waters of the US Pacific Northwest
Seasonal carbonate chemistry variability in marine surface waters of the US Pacific Northwest Open
Fingerprinting ocean acidification (OA) in US West Coast waters is extremely challenging due to the large magnitude of natural carbonate chemistry variations common to these regions. Additionally, quantifying a change requires information …
View article: Analysis of Hypoxia and Sensitivity to Nutrient Pollution in Salish Sea
Analysis of Hypoxia and Sensitivity to Nutrient Pollution in Salish Sea Open
Increasing levels of nutrients, persistent hypoxia, harmful algal blooms, and increased frequency of fish kills are degrading the ecological health of the Salish Sea. An improved version of a diagnostic hydrodynamic and biogeochemical mode…
View article: Seasonal Carbonate Chemistry Variability in Marine Surface Waters of the Pacific Northwest
Seasonal Carbonate Chemistry Variability in Marine Surface Waters of the Pacific Northwest Open
Fingerprinting ocean acidification (OA) in U.S. West Coast waters is extremely challenging due to the large magnitude of natural carbonate chemistry variations common to these regions. Additionally, quantifying a change requires informatio…
View article: Seasonal Carbonate Chemistry Variability In Marine Surface Waters Of The Pacific Northwest. Data Archive.
Seasonal Carbonate Chemistry Variability In Marine Surface Waters Of The Pacific Northwest. Data Archive. Open
This archive includes two .nc files (NetCDF format) containing observational data (discrete and mooring) from marine surface waters of the Pacific Northwest that have not yet been submitted to a long-term data repository. These data contri…
View article: Seasonal Carbonate Chemistry Variability In Marine Surface Waters Of The Pacific Northwest. Data Archive.
Seasonal Carbonate Chemistry Variability In Marine Surface Waters Of The Pacific Northwest. Data Archive. Open
This archive includes two .nc files (NetCDF format) containing observational data (discrete and mooring) from marine surface waters of the Pacific Northwest that have not yet been submitted to a long-term data repository. These data contri…
View article: An overview of the Salish Sea model: existence of reflux mixing and recurring hypoxia
An overview of the Salish Sea model: existence of reflux mixing and recurring hypoxia Open
An improved version of a diagnostic hydrodynamic and biogeochemical model (nutrients, phytoplankton, carbon, dissolved oxygen, pH) of the Salish Sea has been developed with the ability to simulate characteristic circulation and water quali…
View article: Salish Sea model: ocean acidification module and the response to regional anthropogenic nutrient sources
Salish Sea model: ocean acidification module and the response to regional anthropogenic nutrient sources Open
Several monitoring programs indicate the presence of lower pH and related changes in carbonate system variables in the Salish Sea. This project expands the existing Salish Sea Model to evaluate carbonate system variables. This project quan…
View article: Seasonal variation in aragonite saturation in surface waters of Puget Sound – a pilot study
Seasonal variation in aragonite saturation in surface waters of Puget Sound – a pilot study Open
A pilot study of sampling, using monthly marine flights over spatially distributed stations, was conducted with the aim to characterize the carbonate system in Puget Sound over a full year-long period. Surface waters of Puget Sound were fo…
View article: Predicting Puget Sound's organic carbon—and why we need enhanced monitoring
Predicting Puget Sound's organic carbon—and why we need enhanced monitoring Open
How much has the total organic carbon deposited into the water column and sediments of Puget Sound increased due to human activity? How has that increase impacted sediment flux rates, hypoxia and the carbonate system balance? These are two…
View article: Sensitivity of the regional ocean acidification and carbonate system in Puget Sound to ocean and freshwater inputs
Sensitivity of the regional ocean acidification and carbonate system in Puget Sound to ocean and freshwater inputs Open
While ocean acidification was first investigated as a global phenomenon, coastal acidification has received significant attention in recent years, as its impacts have been felt by different socio-economic sectors (e.g., high mortality of s…