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Earthquake recurrence estimates for northern Caribbean faults from combinatorial optimization

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Woods Hole Coastal and Marine Science Center

2023 Annual Report

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Pragmatically mapping Phragmites with unoccupied aerial systems: A comparison of invasive species land cover classification using RGB and multispectral imagery

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Hydroacoustic observations reveal drivers of mixing and salinization of a karst subterranean estuary during intense precipitation

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Scientific literature and information products produced by Woods Hole Coastal and Marine Science Center staff

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Invasive Phragmites plants on the shore of a lake

Pragmatically mapping Phragmites with unoccupied aerial systems: A comparison of invasive species land cover classification using RGB and multispectral imagery

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Woods Hole Coastal and Marine Science Center—2023 Annual Report. The 2023 annual report highlights accomplishments, includes a list of publications, and summarizes the work of the center and each of the science groups.

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January 1, 1994

Identification of marine hydrates in situ and their distribution off the Atlantic coast of the United States Identification of marine hydrates in situ and their distribution off the Atlantic coast of the United States

Natural gas hydrates, mostly methane hydrates, occur within seafloor sediments almost everywhere in the world’s oceans where water depths exceed 300 to 500 m, and hydrates in this setting probably contain very large quantities of methane.’ Gas hydrates have been identified in marine sediments by coring and by the response that they create in seismic reflection profiles. Our research has...

Authors

William P. Dillon, Myung W. Lee, Dwight F. Coleman

Woods Hole Coastal and Marine Science Center

January 1, 1994

Biogenic silica in Lake Baikal sediments: results from 1990-1992 American cores Biogenic silica in Lake Baikal sediments: results from 1990-1992 American cores

The Lake Baikal Paleoclimate Project is a joint Russian-American program established to study the paleoclimate of Central Asia. During three summer field seasons, duplicate Russian and American cores were taken at a number of sites in different sedimentary environments in the lake. Eight cores returned to the U.S. were quantitatively analyzed for biogenic silica using a single-step 5...

Authors

Susan J. Carter, Steven M. Colman

Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

January 1, 1994

Antifouling leaching technique for optical lenses Antifouling leaching technique for optical lenses

The effectiveness of optical lenses deployed in water less than 100 m deep is significantly reduced by biofouling caused by the settlement of macrofauna, such as barnacles, hydroids, and tunicates. However, machineable porous plastic rings can be used to dispense antifoulant into the water in front of the lens to retard macrofaunal growth without obstructing the light path. Unlike...

Authors

William J. Strahle, C. L. Perez, Marinna A. Martini

Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

January 1, 1994

New recording package for VACM provides sensor flexibility New recording package for VACM provides sensor flexibility

For the past three decades, the VACM has been a standard for ocean current measurements. A VACM is a true vector-averaging instrument that computes north and east current vectors and averages temperature continuously over a specified interval. It keeps a running total of rotor counts, and records one-shot samples of compass, vane position and time. Adding peripheral sensors to the data...

Authors

William J. Strahle, S. E. Worrilow, S. E. Fucile, Marinna A. Martini

Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

January 1, 1994

Seismic character of gas hydrates on the Southeastern U.S. continental margin Seismic character of gas hydrates on the Southeastern U.S. continental margin

Gas hydrates are stable at relatively low temperature and high pressure conditions; thus large amounts of hydrates can exist in sediments within the upper several hundred meters below the sea floor. The existence of gas hydrates has been recognized and mapped mostly on the basis of high amplitude Bottom Simulating Reflections (BSRs) which indicate only that an acoustic contrast exists at...

Authors

Myung W. Lee, D. R. Hutchinson, Warren F. Agena, William P. Dillon, J. J. Miller, B.A. Swift

Woods Hole Coastal and Marine Science Center

January 1, 1994

A computer-controlled gas hydrate-sediment formation and triaxial test system A computer-controlled gas hydrate-sediment formation and triaxial test system

No abstract available.

Authors

W.J. Winters, J.S. Booth, R.R. Nielsen, William P. Dillon, R.F. Commeau

Woods Hole Coastal and Marine Science Center

January 1, 1994

Historical shoreline mapping (II): Application of the Digital Shoreline Mapping and Analysis Systems (DSMS/DSAS) to shoreline change mapping in Puerto Rico Historical shoreline mapping (II): Application of the Digital Shoreline Mapping and Analysis Systems (DSMS/DSAS) to shoreline change mapping in Puerto Rico

A new, state-of-the-art method for mapping historical shorelines from maps and aerial photographs, the Digital Shoreline Mapping System (DSMS), has been developed. The DSMS is a freely available, public domain software package that meets the cartographic and photogrammetric requirements of precise coastal mapping, and provides a means to quantify and analyze different sources of error in...

Authors

E. Robert Thieler, William W. Danforth

Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

January 1, 1994

A sediment budget for southern Lake Michigan: source and sink models for different time intervals A sediment budget for southern Lake Michigan: source and sink models for different time intervals

We have constructed a sediment budget for the southern Lake Michigan basin for sand and for mud during three time periods: the past 100, 5,000, and 10,000 years. For the modern (100-year) sediment budget, accountable sediment sources add up to 93 percent of the calculated sinks. The mud budget has a source deficit of about 40%, probably due to errors in mud:sand ratios and (or) to other...

Authors

Steven M. Colman, D.S. Foster

Woods Hole Coastal and Marine Science Center

January 1, 1994

Overview of the southern Lake Michigan coastal erosion study Overview of the southern Lake Michigan coastal erosion study

No abstract available.

Authors

David W. Folger, Steven M. Colman, Peter W. Barnes

Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

January 1, 1994

Assessing Crow Indian coal resources: GIS in action Assessing Crow Indian coal resources: GIS in action

No abstract available.

Authors

W.D. Watson, K. Bryant, N.K. Gardner, M. S. Grim, G. Lebing

Woods Hole Coastal and Marine Science Center

January 1, 1994

Acoustic mapping as an environmental management tool: I. detection of barrels of low-level radioactive waste, Gulf of the Farallones National Marine Sanctuary, California Acoustic mapping as an environmental management tool: I. detection of barrels of low-level radioactive waste, Gulf of the Farallones National Marine Sanctuary, California

The oceans have been and will continue to be disposal sites for a wide variety of waste products. Often these wastes are not dumped at the designated sites or transport occurs during or after dumping, and, subsequent attempts to monitor the effects the waste products have on the environment are inadequate because the actual location of the waste is not known. Acoustic mapping of the...

Authors

Herman A. Karl, William C. Schwab, A. St. C. Wright, David E. Drake, John L. Chin, William W. Danforth, Edward Ueber

Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

January 1, 1994

A rock-magnetic record from Lake Baikal, Siberia: Evidence for Late Quaternary climate change A rock-magnetic record from Lake Baikal, Siberia: Evidence for Late Quaternary climate change

Rock-magnetic measurements of sediment cores from the Academician Ridge region of Lake Baikal, Siberia show variations related to Late Quaternary climate change. Based upon the well-dated last glacial-interglacial transition, variations in magnetic concentration and mineralogy are related to glacial-interglacial cycles using a conceptual model. Interglacial intervals are characterized by...

Authors

J.A. Peck, J.W. King, Steven M. Colman, V.A. Kravchinsky

Woods Hole Coastal and Marine Science Center