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ID 06024
Also Known As 06024
R-1-06-ME
Abstract United States Geological Survey, Woods Hole, Massachusetts. Chief Scientists: Walter Barnhardt, Joe Kelley, University of Maine. Data (Bathymetry, Seismic refection, Sidescan-Klien, RTK-GPS) of field activity 06024 (R-1-06-ME) in Penobscot Bay, Maine, United States, North Atlantic from 09/11/2006 to 09/18/2006
Organization United States Geological Survey, Woods Hole, Massachusetts
Project/Theme Belfast Bay Pockmarks
Chief Scientist Walter Barnhardt
Joe Kelley
Platform Rafael
Area of Operation Penobscot Bay, Maine, United States, North Atlantic, Maine
Bounding Coordinates
44.50000
-69.00000     -68.75000
44.33333
Ports LEAVE Belfast, Maine
ARRIVE Belfast, Maine
Dates 09/11/2006 (JD 254) to 09/18/2006 (JD 261)
Analog Materials No analog holdings.
Information Specialist
Walter Barnhardt
Crew
Walter Barnhardt
Joe Kelley University of Maine, Chief Scientist
Barry Irwin (boat captain)
Bill Danforth tech
Bergeron tech
Andrews data processing
Laura Brothers University of Maine
Equipment Used
Bathymetry
Seismic refection
Sidescan-Klien
RTK-GPS
Purpose
Seafloor mapping of pockmark field at mouth of Penobscot River
Summary
The survey took place from 11-18 September on board the RV
Rafael.  We collected swath bathymetry, sidescan-sonar backscatter,
and subbottom profiles over an area of approximately 25 km2. The
survey focused on the mouth of the Penobscot River where it enters
upper Penobscot Bay (also known as Belfast Bay).  This area is the
primary depositional site for sediment carried by the river, and
would probably experience significant impacts if/when the proposed
dam removals occur in upstream areas.  With these data as a
pre-removal baseline, we will be able to quantify any changes in
bottom morphology and substrate conditions that might result from
releasing sediment from upstream impoundments.  These new data will
be compared to a bathymetric survey collected in 1999 by NOAA that
covers part of the same area.  Where the data overlap, we will be
able to determine what (if any) changes have occurred over the last
7 years and make conclusions about the rates and patterns of
sediment accumulation at the mouth of the river.
Notes
Navigation technique: RTK-GPS.
8 days at sea. 180 kms. of continuous data.
Funding
SIR
Got Help? For 06024, we would appreciate any information on -- activity type, analog materials, contract, days at sea, dive count, information to be derived, kms of navigation, national plan, NGDC Info, owner, project number, publications, scanned materials, seismic description, station count, station description, submersible, tabulated info.
Type Webpage KMZ Arc         Metadata         WHSC
Metadata data     txt  data  FAQ  xml data
Navigation data nav      
Times   050.times      

06024 location map of where navigation 

equipment operated

 
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Page Last Modified: Tue Oct 29 15:09:05 PDT 2013  (chd)