READER'S EDITORIAL: PACE OF INFRASTRUCTURE PLANNING FOR COASTAL FLOODING A COUNTDOWN TO DISASTER

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By Jeffrey Meyer, San Diego 350 Volunteer,  #HighWaterLine#ChalkSD

“In 2050, if current trends continue, sea level will be 12-18 inches higher. Beaches will shrink and some will disappear completely. Fragile sea cliffs will collapse. Coastal properties will be flooded with increasing regularity. More frequent high waves and rough surf will increase the potential for significant damage…The military, port and airport may also be affected.” – San Diego’s Changing Climate: A Regional Wakeup Call (San Diego Foundation report)

January 17, 2015 (San Diego)--A few weeks ago, San Diego coastal cities were given a stark reminder of the threat to public safety and our $15 billion a year tourism industry by increasing tides and coastal flooding.  With this problem becoming more severe, year after year, the lack of substantive coastal infrastructure planning can become a countdown to disaster.



The latest combination of high astronomical tides and elevated surf caused strong rip currents and some flooding at low-lying areas along beaches. Known as king tides, they are expected to return to our coastline on January 19-21 and February 17-19. They have become a harbinger of damage to our coastline as we confront increasing sea levels during this century.

The warnings have been clear and consistent. There have been numerous local studies that show anticipated damage, but the only new infrastructure proposals on our coastline remotely concerning rising sea levels came from the U.S. Navy last year. That 10 year, $700 million project was kicked back by the EPA for failing to adequately address sea level rise on Coronado Island. The EPA explained the proposal had only a vague explanation that the proposed plan would increase impervious surfaces and associated runoff compared to existing conditions and not much else.

Although scientists have been reporting increasing sea levels for years, we have only one city, Imperial Beach, currently conducting a beach sea level rise study.  Del Mar has applied for a grant for a similar study, but there is not a combined coastal effort to move beyond studies to actually planning anything. A 2013 report by the ICLEI-Local Governments for Sustainability clearly outlined what must be done to prepare the San Diego coastline for increasing sea levels.  In their report, however, they noted that many cities in our region lack “even broad-brush qualitative sea level rise vulnerability assessments.” Without those assessments, we are unable to fully explore what is needed to avoid damage to ecosystems, existing infrastructures and our economy.

Still, we seem to have enough data to initiate some infrastructure planning.  City politicians on our coastline need only read “Sea Level Rise Adaptation Strategy for San Diego Bay” or the San Diego Foundation’s “Regional Wakeup Call.”  These reports say our coastline faces a litany of threats, including not only smaller beaches but some that will completely disappear.  This should be enough to inspire limited plans that can be initiated without vulnerability assessments.

What seems to be lacking is a synergy of purpose between San Diego communities and public pressure for action. To get some traction on this issue it might help to ask our political leaders to join a local effort to raise awareness about increasing sea levels in our area.  There is an upcoming art project in Mission Beach near the roller coaster at Belmont Park to show the high tide flood line that is anticipated for the year 2050.  The “HighWaterLine” project will beJanuary 19, according to organizers from SanDiego350.  They will be drawing a chalk line along Mission Blvd. from 10 a.m.to 2 p.m. showing a coastline we will likely face in 35 years. Politicians can stand on the chalk and perhaps better visualize the problem at their feet.

We need to look into the necessity of structures like bridging berms, as part of an overall flood protection system from increased sea levels. Our community has to figure out how to pay for it, perhaps looking at New York City’s “Green Bonds,” which are issued to fund environmental mitigation and sustainability capital projects.  We might also look at catastrophe bonds that cover storm-surge risk.  Lots of projects to keep politicians busy but they need to get to work.

It is well past time for action on this issue.  Climate action plans being produced throughout the county need to more fully address sea level rise, with specific plans for vulnerability assessments. We need to urge coastal city leaders to begin serious infrastructure planning for increased sea levels to mitigate what can be a formidable disaster for our community.

The views of this editorial reflect the views of the author and do not necessarily reflect the views of East County Magazine. To submit an editorial for consideration, please contact editor@eastcountymagazine.org


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Comments

WOW!

Beachfront property in Campo.