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X-WR-CALNAME;VALUE=TEXT:UMCES Events
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DTSTART:20191103T020000
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UID:calendar.4676.field_date_time.0@www.umces.edu
DTSTAMP:20260404T004756Z
CREATED:20190822T130823Z
DESCRIPTION:November 6\, 2019 3:30pm    \n    \n      \n\n\n    \n\n       
        \nChesapeake Biological Laboratory\n      \n\n\n\n\n  \n\n    \n\n 
              \n\n\n              Moving beyond the monolithic Atlantic Mul
 tidecadal Variability\n          \n  \n\n    \n\n              \n\n\nAbstr
 act - The Atlantic is thought to exhibit basin-wide sea surface temperatur
 e (SST) variations on decadal timescales\, which has been termed the Atlan
 tic Multidecadal Variability (AMV).  Numerous studies suggest that the AMV
  has an impact on climate variations\, including shifts in the Intertropic
 al Convergence Zone\, Atlantic hurricanes\, temperature and precipitation 
 on adjacent landmasses\, and ocean ecosystems. Historically\, the AMV was 
 thought to be the result of ocean dynamics\, specifically variations of th
 e Atlantic Meridional Overturning Circulation.  However\, recent studies h
 ave shown that both external forcing and stochastic atmospheric forcing pl
 ay a substantial role in the AMV. Here\, we suggest that progress in under
 standing mechanisms of Atlantic SST variability has been hampered by the i
 ntense focus on basin-averaged SST (which after the removal of the global 
 warming signal and lowpass filtering is termed the AMV).  We argue that ba
 sin averaging obscures understanding because SST variability in the tropic
 s\, subtropics\, and subpolar gyre differs substantially in terms of the r
 elevant processes\, mechanisms\, and dominant timescales. As a\nresult of 
 spatial averaging\, the AMV is due to a mix of processes\, and which proce
 sses dominate is sensitive to the method of lowpass filtering and the meth
 od for removal of the global warming signal. This sensitivity can explain 
 the conflicting claims in the literature regarding the dominant processes 
 leading to the AMV. After describing the pitfalls of the intense focus on 
 the basin-averaged SST\, we offer a pathway for moving the field forward.
DTSTART;TZID=America/New_York:20191106T153000
DTEND;TZID=America/New_York:20191106T153000
LAST-MODIFIED:20191101T160307Z
SUMMARY:CBL Seminar: Dr. Martha Buckley (George Mason University)
URL;TYPE=URI:https://www.umces.edu/events/cbl-seminar-dr-martha-buckley-geo
 rge-mason-university
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