Science Inventory

Ocean and Coastal Acidification off New England and Nova Scotia


Gledhill, D., M. White, J. Salisbury, H. Thomas, I. Mlsna, M. Liebman, B. Mook, J. Grear, A. Candelmo, R. Chambers, C. Gobler, C. Hunt, A. King, N. Price, S. Signorini, E. Stancioff, C. Stymiest, R. Wahle, J. Waller, N. Rebuck, Z. Wang, T. Capson, J. Morrison, S. Cooley, AND S. Doney. Ocean and Coastal Acidification off New England and Nova Scotia. OCEANOGRAPHY. Oceanography Society, Rockville, MD, 28(2):182-197, (2015).


This article was a developed as a "state-of-the-science" piece on ocean and coastal acidification in the northeastern US. It provides a review of causes and potential impacts and provides original analysis of ocean data to describe the influence of the poorly buffered waters of the Labrador Current and runoff from the region's watersheds. Risks of coastal acidification and its impacts in the northeastern US have played an important role in EPA's planning of the coastal acidification research under ORD's FY16-FY19 national water research program.


New England coastal and adjacent Nova Scotia shelf waters have a reduced buffering capacity because of significant freshwater input, making the region’s waters potentially more vulnerable to coastal acidification. Nutrient loading and heavy precipitation events further acidify the region’s poorly buffered coastal waters. Despite the apparent vulnerability of these waters, and fisheries’ and mariculture’s significant dependence on calcifying species, the community lacks the ability to confidently predict how the region’s ecosystems will respond to continued ocean and coastal acidification. Here, we discuss ocean and coastal acidification processes specific to New England coastal and Nova Scotia shelf waters and review current understanding of the biological consequences most relevant to the region. We also identify key research and monitoring needs to be addressed and highlight existing capacities that should be leveraged to advance a regional understanding of ocean andcoastal acidification.

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Record Details:

Product Published Date: 06/30/2015
Record Last Revised: 05/31/2016
OMB Category: Other
Record ID: 316050