Salish Sea model: ocean acidification module and the response to regional anthropogenic nutrient sources

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 quantifies the influences of regional nutrient sources on acidifi...

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Bibliographic Details
Main Authors: Pelletier, G. J., Bianucci, Laura, Long, Wen, Khangaonkar, Tarang, Mohamedali, Teizeen, Ahmed, Anise, Figueroa-Kaminsky, Cristiana, Bednarsek, Nina
Format: Text
Language:English
Published: Western CEDAR 2018
Subjects:
Salish Sea model
Ocean acidification
Pteropod threshold
Fresh Water Studies
Life Sciences
Marine Biology
Natural Resources and Conservation
Terrestrial and Aquatic Ecology
Pacific
Online Access:https://cedar.wwu.edu/ssec/2018ssec/allsessions/362
https://cedar.wwu.edu/cgi/viewcontent.cgi?article=2797&context=ssec
Description
Summary: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 quantifies the influences of regional nutrient sources on acidification. The model accounts for Pacific Ocean upwelled water, regional human nutrient contributions, and air emissions around the Salish Sea. This effort also identifies geographical areas and seasons experiencing greater influence from regional sources of nutrients to Salish Sea waters. Results from this effort indicate that increased dissolved inorganic nitrogen, phytoplankton biomass, and non-algal organic carbon caused by regional anthropogenic nutrient sources can constitute significant contributors to acidification in the Salish Sea.

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