Marine CO2 system variability along the Inside Passage of the Pacific Northwest coast of North America determined from an Alaskan ferry

1Hakai Institute, Heriot Bay, BC, V0P 1H0, Canada 5 2Pacific Marine Environmental Laboratory, National Oceanic and Atmospheric Administration, Seattle, 98115, USA 3Cooperative Institute for Climate, Ocean, & Ecosystem Studies, University of Washington, 98195, USA 4Alaska Marine Highway, Department of Transportation, Ketchikan, AK, 99901, USA 5Monterey Bay Aquarium Research Institute, Moss Landing, 95039, USA 6Alaska Coastal Rainforest Center, University of Alaska Southeast, Juneau, AK, 99801, USA 10