| Alternate number: | MH27-98 |
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| Platform: | 
MARCUS HANNA |
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| Submersible: | |
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| Owner-Operator: | US Coast Guard, Portland, ME |
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| Captain: | Richard G. Foy, Chief Warrant Officer |
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| Center Principal: | Michael Bothner |
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Affiliate Principal
(if any): | |
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| Area of Operations: | Massachusetts Bay, Massachusetts, United States, North America, North Atlantic |
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| Bounding Coordinates | |
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| North: | 42.4 |
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| South: | 42.15 |
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| West: | -70.8 |
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| East: | -70.6 |
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| Start and End Dates: | June 17, 1998 to June 19, 1998 |
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| Start and End Ports: | from Coast Guard Base, Boston, MA to Coast Guard Base, Boston, MA |
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| Days at Sea: | 3 |
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| Project Number: | 7241-67011 and 7241-67012 |
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| Project Title: | Pollutant and Sediment Transport in Massachusetts Bay |
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| Cruise Funding Source: | Joint Funding Agreement between USGS and MWRA. USCG for ship. |
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| Contract: | |
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| Type of Activity: | Sampling
Mooring work
Photography |
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| Objectives: | Exchange moorings near the future outfall site in western Massachusetts Bay and off Scituate. Collect about 28 sediment cores from Massachusetts Bay and Cape Cod Bay. Collect oxygen profiles in sediments. |
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| Information to be derived: | Time series data
Samples and Chemical Analysis
Suspended Sediment Concentrations |
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| Data Types (and Media) Produced: | Current digital data
sediment and suspended sediment data. |
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Scientific Party
(USGS): | Day 1: Michael Bothner, Adam Goss, Peter Gill, Marinna Martini, Joseph Newell, Richard Rendigs, Kenneth Parolski, Chris Sommerfield, Zobeida Monserrate. Days 2+3: Michael Bothner, Peter Gill, Richard Rendigs, Chris Sommerfield, Kenneth Parolski, Adam Goss. |
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Scientific Party
(affiliate): | Day 1: Joanne Goudreau (WHOI), Jonathan Borden (Consultant). Days 1-3: Chris Sommerfield (WHOI). Days 2+3: R. Ganeshram (WHOI). |
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| Data Curator: | Fran Hotchkiss, Peter Gill |
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| Scientific Equipment: | Mooring gear
Oxygen profiler from Fred Sayles (WHOI) |
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| Navigation techniques used: | Differential GPS provided by the Coast Guard |
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| Summary of Results: | Moorings deployed: 4 (#529, 530, 531 and 532, all recovered FA 98044 MARCUS HANNA Sep. 30 - Oct. 1, 1998). Moorings recovered: 4 (#516 and 517 deployed FA 98011 WHITE HEATH Feb. 10, 1998; #518 and 519 deployed FA 98019 CHRISTOPHER ANDREW Mar. 25, 1998). |
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| Number of Stations Occupied: | 9 |
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| Station Description: | |
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| Number of Submersible Dives: | |
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| Continuous Data (in Km): | |
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| Seismic Line Descriptions: | |
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| Track Plot: | |
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| Related Web Sites: | http://soundwaves.usgs.gov/2008/07/awards.html |
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| Remarks: | The MARCUS HANNA has dynamic positioning which removed the problems of drift as cores were taken. Raja Ganeshram collected interstitial water from Stations 8 and 7. The slow corer should be modified for use in the very soft sediment of Cape Cod Bay in future studies. The corer sank into the bottom several cm before sufficient sediment strength was encountered to support the instrument. Either snowshoes should be attached to the feet or the legs should be lengthened. |
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| Contact: | Michael Bothner (mbothner@usgs.gov) |
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U.S. Department of the Interior |
U.S. Geological Survey