Streaming Media

Presentation Abstract

pH is the primary factor in ocean acidification. It is influenced by water chemistry, biological aspects, seasonal changes, and human activity. Low pH (acidic conditions) can contribute to hypoxia, coral bleaching, and other dangerous conditions for the ecosystem. In this study, the effects of ocean acidification in Possession Sound were examined over a five-year period, with the context of seasonal plankton blooms and changes in river discharge. This was accomplished using a YSI EXO Sonde periodically deployed nearshore in Mukilteo, Washington, USA used in partnership with Ocean Research College Academy. This site, being within the Snohomish River Estuary, is affected by both oceanic factors, as well as the Snohomish River and any runoff that comes through those waters. These measurements create a depiction of changing pH in Possession Sound. This suggests that the area goes through cycles of pH levels throughout the year, with the most prominent trends being seasonal and related to upwelling. As climate change progresses, consistent monitoring of ocean pH will be essential to preserving marine and estuarine ecosystems. This study contributes to the growing body of knowledge on the impact of ocean acidification, which is vital to the future of the Salish Sea and the communities that rely on it.

Session Title

Poster Session 3: Land - Water Connections

Conference Track

SSE14: Posters

Conference Name

Salish Sea Ecosystem Conference (2022 : Online)

Document Type

Event

SSEC Identifier

SSE-posters-136

Start Date

27-4-2022 4:00 PM

End Date

27-4-2022 4:30 PM

Type of Presentation

Poster

Genre/Form

conference proceedings; presentations (communicative events)

Contributing Repository

Digital content made available by University Archives, Heritage Resources, Western Libraries, Western Washington University.

Subjects – Topical (LCSH)

Ocean acidification--Washington (State)--Possession Sound; Water acidification--Washington (State)--Snohomish River Estuary; Estuarine health--Washington (State)--Snohomish River Estuary; Stream measurements--Washington (State)--Snohomish River Estuary

Geographic Coverage

Salish Sea (B.C. and Wash.); Snohomish River Estuary (Wash.); Possession Sound (Wash.)

Rights

Copying of this document in whole or in part is allowable only for scholarly purposes. It is understood, however, that any copying or publication of this document for commercial purposes, or for financial gain, shall not be allowed without the author's written permission.

Type

Text

Language

English

Format

application/pdf

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Apr 27th, 4:00 PM Apr 27th, 4:30 PM

Estuary Acidification: A five-year perspective on pH in Possession Sound, Washington

pH is the primary factor in ocean acidification. It is influenced by water chemistry, biological aspects, seasonal changes, and human activity. Low pH (acidic conditions) can contribute to hypoxia, coral bleaching, and other dangerous conditions for the ecosystem. In this study, the effects of ocean acidification in Possession Sound were examined over a five-year period, with the context of seasonal plankton blooms and changes in river discharge. This was accomplished using a YSI EXO Sonde periodically deployed nearshore in Mukilteo, Washington, USA used in partnership with Ocean Research College Academy. This site, being within the Snohomish River Estuary, is affected by both oceanic factors, as well as the Snohomish River and any runoff that comes through those waters. These measurements create a depiction of changing pH in Possession Sound. This suggests that the area goes through cycles of pH levels throughout the year, with the most prominent trends being seasonal and related to upwelling. As climate change progresses, consistent monitoring of ocean pH will be essential to preserving marine and estuarine ecosystems. This study contributes to the growing body of knowledge on the impact of ocean acidification, which is vital to the future of the Salish Sea and the communities that rely on it.