2020 King Tides & Science at the Marsh

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Thank you to all who participated in taking and uploading photos, and attended "Science at the Marsh" during the February King Tides!

Special thanks to HSU professors Dr. Jeffrey Abell, Dr. Tamara Bariquand, and Daniel O’Shea who gave interesting and pertinent presentations about the science behind climate change, tides, and our local tectonics.

Many thanks to David Marshall who flew over the coast, to Kellie Brown who took photos 20200209_095636for Humboldt State University, and to HSU who lets us use them.  Check out some of the photos below . . . and check out all the photos here.

Thanks also to David Loya, Community Development Director, who provided information about how the City is assessing and responding to the effects of climate change, particularly sea level  rise.20200209_102055

Check out this link for great video shot from the January King Tides in Trinidad by Kristen Bergeron!

If you haven’t uploaded your photos yet, you can still do so!  Upload directly to our story map, or email photos to kingtide@cityofarcata.org.  



Sea Level Rise Response

A joint City Council and Planning Commission Study Session on its Local Coastal Program and Sea Level Rise Response was held on April 30, 2018.  The following draft documents were available for review prior to the meeting.

Sea Level Rise Risk Assessment.  (The document includes an executive summary and two independent reports - Sea Level Rise in Humboldt County and Sea Level Rise Vulnerability Assessment.)

Coastal Land Use Element.  (Coastal Land Use is part of our Land Use Code.  It is often referred to as the CLUE.)

Sea Level Rise Awareness

Climate change and resulting sea level rise affects everyone in the City of Arcata.  While significant effects may only be seen 50 to 100 years from now, the City Council is considering now the policies they will put in place.  These policies directly affect:

  • Infrastructure - Roads, Electrical Stations, Wastewater Treatment, Water
  • Commercial and Industrial Properties
  • Residential Properties
  • Agricultural Land and Facilities
  • Recreation and Natural Habitat Areas

We encourage all citizens to become informed and to weigh in on the discussion.  Below you will find a draft of Sea Level Rise policies, and slideshow of maps that show what our tidelands looked like in 1870, a FEMA floodplain map, adaptation measures, and two maps showing the proposed protection zone.  Click on any of the maps for a PDF.

DRAFT Opens in new windowDRAFT

A very good way to stay informed is to sign up for eNotifications - see information below.

General Sea Level Rise Presentation

10-07-17 Sea Level Rise Awareness Events - Pastels on the Plaza, Guided Trail Walk, Information and Feedback Session

David Loya Discusses SLR Strategies
David Loya Answers Questions
Citizens and City Staff on Trail Walk - Viewing Current & Future SLR Impacts
At Pastels on the Plaza
Mark Andre and Doby Class Discussing Sea Level Rise on Trail Walk
David Loya Provides SLR Information

Sign Up for eNotifications!

  • Go to our website’s main page and click on the gear icon next to the search box
  • Select Notifications from the drop-down menu
  • Enter your email address and/or sign up for text messages, and click on Sea Level Rise Notifications
  • You’ll receive a confirmation email - once you confirm, you’ll be ready to go
  • You’ll receive a confirmation email - once you confirm, you’ll be ready to go

You can also find information on the City Calendar, and by press release.sign up

Information from previous Study Sessions with the City Council:

Select to see information presented at the December 16, 2016 Study Session.

Select to see information presented at the February 6, 2017 Study Session.