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DTSTAMP:20240516T165719Z
LOCATION:298-299
DTSTART;TZID=America/Chicago:20240515T153000
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UID:IOSC_IOSC 2024_sess138_PAPER135@linklings.com
SUMMARY:Update to the NOAA Job Aid on Oil Spills in Marshes: Planning and 
 Response Considerations
DESCRIPTION:Paper\n\nJacqueline Michel and Scott Zengel (Research Planning
 , Inc.); Nicolle Rutherford (National Oceanic and Atmospheric Administrati
 on (NOAA)); and Pamela Latham (Research Planning, Inc.)\n\nThe 2013 NOAA j
 ob aid on marshes was updated in 2022 to reflect the latest information re
 levant to the treatment and recovery of marshes following oil spills. The 
 literature on impacts of spilled oil on marshes (1969-2022) identified 38 
 oil spills and field experiments 48 spill scenarios in total) for which su
 fficient data were available to generate recovery time estimates and ident
 ify factors influencing the rate of recovery. For roughly half of the spil
 ls reviewed, structural vegetation recovery occurred within one to two gro
 wing seasons, even in the absence of any treatment. Therefore, the decisio
 n to conduct treatment operations in oiled marshes needs to be based on th
 e best understanding of the likely tradeoffs. The recovery period was long
 est for spills with the following conditions: cold climate; sheltered sett
 ings; thicker (>0.5 cm) deposition of oil on the marsh surface; large amou
 nts of light refined (more toxic) oils; oils that formed persistent thick 
 residues; oil that penetrated, became mixed with, or was buried in the mar
 sh soils; repetitive, extended, or chronic reoiling; and intensive treatme
 nt to remove oil. The recovery period was shortest for the following condi
 tions: warm climate; light to moderate or partial oiling of the abovegroun
 d vegetation only; spills outside of the growing season; medium crude oils
 ; and less intensive treatment. Vegetation planting as a part of the respo
 nse should be considered for marsh oiling that is likely to result in vege
 tation mortality, and as a possible condition for use of intensive marsh c
 leanup methods.\n\nTag: Remediation\n\nSession Chair: Brian Reilly (CSA Oc
 ean Sciences)
URL:https://iosc2024.conference-program.com/presentation/?id=PAPER135&sess
 =sess138
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