{"id":24733,"date":"2011-09-13T23:23:11","date_gmt":"2011-09-14T03:23:11","guid":{"rendered":"http:\/\/planetsave.com\/?p=24733"},"modified":"2011-09-13T23:23:11","modified_gmt":"2011-09-14T03:23:11","slug":"rising-sea-level-to-exact-economic-toll-on-californian-coast","status":"publish","type":"post","link":"https:\/\/planetsave.com\/articles\/rising-sea-level-to-exact-economic-toll-on-californian-coast\/","title":{"rendered":"Rising Sea Level To Exact Economic Toll on Californian Coast"},"content":{"rendered":"

A new study has found that rising sea levels over the next century could exact massive financial tolls from communities along the Californian coastline.<\/p>\n

\"\"<\/a><\/p>\n

The study looked at the impact of a rising sea level over the 21st century on five Californian coastline communities: Ocean Beach in San Francisco; Venice Beach and Malibu in Los Angeles; Carpinteria in Santa Barbara County; and Torrey Pines State Reserve in San Diego County.<\/p>\n

The study examined the cost of coastal storm damage and erosion which are both expected to increase as the sea level continues to rise. The researchers also extended the study to include the impact these issues would have on tourism and natural habitats.<\/p>\n

“Sea level rise will send reverberations throughout local and state economies,” said Philip King, associate professor of economics at San Francisco State University. “We also found that the economic risks and responses to a changing coastline will vary greatly over time and from beach to beach.”<\/p>\n

The damage caused, however, will vary greatly upon the community\u2019s economy, geography and the use to which the land around them has been put to use.<\/p>\n

For example, San Francisco\u2019s Ocean Beach will suffer less economic impact than Malibu due to the fact that more people visit Malibu than do Ocean Beach.<\/p>\n

Head on over to the next page to view a complete summary of the key findings for the five coastal communities that were studied.<\/a><\/p>\n

The study also looked at the economic impact of more extreme flooding, a likely scenario in a world where a coastal community like the Californian coastline is dealing with rising sea levels. The research showed that the coastlines are already at risk of low-probability coastal storms, such as 100-year floods, but with higher sea levels expected to reach 4.6 feet (1.4 metres) \u2013 a projection specific to the Californian coast \u2013 the depth and reach of the floods will grow, and increase the damage to homes, businesses and public infrastructure.<\/p>\n

“In California, our coastline is one of our most valuable natural resources,” King said. “More than 80 percent of Californians live in coastal communities, and California’s beaches support local economies and critical natural species.”<\/p>\n

King, along with co-authors Aaron McGregor and Justin Whittet, hope that their findings will inform local planning efforts to evaluate and respond to sea level rise.<\/p>\n

“Understanding the kind of impact sea level rise will have is important for deciding what adaptive action to take,” King said. “Seawalls have become the de facto policy for dealing with erosion and sea level rise but our findings suggest that other policies such as beach nourishment or where possible, allowing the coastline to retreat, could be more cost effective.”<\/p>\n

Source: San Francisco State University<\/a>
\nImage Source:
Nathan Yergler<\/a><\/p>\n

<\/p>\n

Summary of Key Findings<\/h1>\n

Ocean Beach (north of Sloat Boulevard), San Francisco County<\/h2>\n

Based on a sea level rise estimate of 4.6 feet (1.4 meters) by 2100, Ocean Beach could lose:<\/p>\n

    \n
  • $19.6 million in damages caused by a 100-year coastal flood damaging homes and contents. This is an increase of 200 percent from the present day risk of a 100-year flood, which is $6.5 million<\/li>\n
  • $82 million in tourism spending and local and state tax revenue losses (accumulated between now and 2100) caused by a narrower, eroded beach attracting fewer visitors<\/li>\n
  • $16.5 million in habitat and recreation losses, caused by erosion reducing the beach area by 92 percent (53 acres lost). Ocean Beach provides a habitat for native species such as the Western Snowy Plover, a bird that is federally listed as a threatened species<\/li>\n
  • $540 million caused by land, buildings and infrastructure being lost or damaged by erosion and subsidence<\/li>\n<\/ul>\n

    Venice Beach, Los Angeles County<\/h2>\n

    Based on a sea level rise estimate of 4.6 feet (1.4 meters) by 2100, Venice Beach could lose:<\/p>\n

      \n
    • $51.6 million in damages caused by a 100-year coastal flood damaging homes, commercial buildings and contents<\/li>\n
    • $439.6 million in tourism spending and local and state tax revenue losses (accumulated between now and 2100) caused by a narrower, eroded beach attracting fewer visitors<\/li>\n
    • $38.6 million in habitat and recreation losses, caused by erosion reducing the beach area by 16 percent<\/li>\n<\/ul>\n

      Zuma Beach and Broad Beach, Malibu, Los Angeles County<\/h2>\n

      Based on a sea level rise estimate of 4.6 feet (1.4 meters) by 2100, Zuma Beach and Broad Beach could lose:<\/p>\n

        \n
      • $28.5 million in damage caused by a 100-year coastal flood damaging homes, commercial buildings and contents<\/li>\n
      • $498.7 million in tourism spending and local and state tax revenue losses (accumulated between now and 2100) caused by narrower, eroded beaches attracting fewer visitors<\/li>\n
      • $102.3 million in habitat and recreation losses caused by erosion reducing the beach area<\/li>\n<\/ul>\n

        Carpinteria City and State Beach, Santa Barbara County<\/h2>\n

        Based on a sea level rise estimate of 4.6 feet (1.4 meters) by 2100, Carpinteria City and State Beach could lose:<\/p>\n

          \n
        • $10.7 million in damages caused by a 100-year coastal flood, damaging homes and contents, and commercial structures<\/li>\n
        • $164.7 million in tourism spending and local and state tax revenue losses (accumulated between now and 2100) caused by a narrower, eroded beach attracting fewer visitors<\/li>\n
        • $31.3 million in habitat and recreation losses caused by erosion reducing the beach area<\/li>\n
        • $300,000 caused by upland areas being lost or damaged by erosion and subsidence<\/li>\n<\/ul>\n

          Torrey Pines City and State Beach, San Diego County<\/h2>\n

          Based on a sea level rise estimate of 4.6 feet (1.4 meters) by 2100, Torrey Pines City and State Beach could lose:<\/p>\n

            \n
          • $5 million in damages caused by a 100-year coastal flood, including damage to homes and contents, cars and roads<\/li>\n
          • $99 million in tourism spending and local and state tax revenue losses (accumulated between now and 2100) caused by a narrower, eroded beach attracting fewer visitors<\/li>\n
          • $20.2 million in habitat and recreation losses caused by erosion reducing the beach area by 100 percent<\/li>\n
          • $348.7 million caused by land, road and railway lines being lost or damaged by erosion and subsidence, including damage to the Los Angeles-San Diego-San Luis Obispo (LOSSAN) Rail Corridor<\/li>\n<\/ul>\n
            \"\"<\/div>\n","protected":false},"excerpt":{"rendered":"

            A new study has found that rising sea levels over the next century could exact massive financial tolls from communities along the Californian coastline.<\/p>\n","protected":false},"author":83,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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