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|a The impact of the 2009-10 El Nino Modoki on U.S. West Coast beaches |h [electronic resource]. |
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|a [S.l.] : |b American Geophysical Union, |c 2011. |
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|a Geophysical Research Letters Volume 38. |
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|a Please contact the owning institution for licensing and permissions. It is the user's responsibility to ensure use does not violate any third party rights. |
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|a High‐resolution beach morphology data collected along
much of the U.S. West Coast are synthesized to evaluate the
coastal impacts of the 2009–10 El Niño. Coastal change
observations were collected as part of five beach monitoring
programs that span between 5 and 13 years in duration. In
California, regional wave and water level data show that the
environmental forcing during the 2009–10 winter was
similar to the last significant El Niño of 1997–98, producing
the largest seasonal shoreline retreat and/or most landward
shoreline position since monitoring began. In contrast, the
2009–10 El Niño did not produce anomalously high mean
winter‐wave energy in the Pacific Northwest (Oregon and
Washington), although the highest 5% of the winter waveenergy
measurements were comparable to 1997–98 and two
significant non‐El Niño winters. The increase in extreme
waves in the 2009–10 winter was coupled with elevated
water levels and a more southerly wave approach than the
long‐term mean, resulting in greater shoreline retreat than
during 1997–98, including anomalously high shoreline
retreat immediately north of jetties, tidal inlets, and rocky
headlands. The morphodynamic response observed
throughout the U.S. West Coast during the 2009–10 El Niño
is principally linked to the El Niño Modoki phenomena,
where the warm sea surface temperature (SST) anomaly is
focused in the central equatorial Pacific (as opposed to the
eastern Pacific during a classic El Niño), featuring a more
temporally persistent SST anomaly that results in longer
periods of elevated wave energy but lower coastal water
levels. |
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|a Electronic reproduction. |c Florida International University, |d 2015. |f (dpSobek) |n Mode of access: World Wide Web. |n System requirements: Internet connectivity; Web browser software. |
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|t The impact of the 2009-10 El Nino Modoki on U.S. West Coast beaches |
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|a dpSobek |c Sea Level Rise |
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|u http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI15062041/00001 |y Click here for full text |
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|3 Host material |u http://onlinelibrary.wiley.com/doi/10.1029/2011GL047707/abstract |y The impact of the 2009-10 El Nino Modoki on U.S. West Coast beaches |
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|a http://dpanther.fiu.edu/sobek/content/FI/15/06/20/41/00001/FI15062041thm.jpg |
