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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

Featured Journal Article

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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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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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Coastal and Marine Research News from Across the USGS

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Filter Total Items: 1737

Interstitial water studies on small core samples, leg 4 Interstitial water studies on small core samples, leg 4

Reorganization and recodification of shipboard procedures for collecting interstitial waters has resulted in improved and more regular collection and analysis of pore fluids. Comparative studies of waters squeezed and analyzed on shipboard and analyzed in the shore laboratory show generally good agreement, except for some aberrations whose sources are hard to track down. Influences of...
Authors
F.L. Sayles, Frank Manheim, K.M. Chan
By
Woods Hole Coastal and Marine Science Center

Role of gravity, temperature gradients, and ion exchange media in the formation of fossil brines Role of gravity, temperature gradients, and ion exchange media in the formation of fossil brines

Calculations show that gravitational settling of ions in an isothermal sediment column could produce increases of equilibrium concentrations in pore waters ranging from 1 percent per 100 m depth for chloride to 4 percent per 100 m depth for strontium. The migration of ions in a thermal gradient (Soret effect) would cause minor salt enrichment upward toward the colder pole, but the...
Authors
P. Mangelsdorf, Frank T. Manheim, J. Gieskes
By
Woods Hole Coastal and Marine Science Center

Geological significance of coccoliths in fine-grained carbonate bands of postglacial Black Sea sediments Geological significance of coccoliths in fine-grained carbonate bands of postglacial Black Sea sediments

The origin of fine carbonate muds in deep parts of the Black Sea has been explained in various ways, but details of how the carbonate was formed are poorly understood. We have studied samples containing fine carbonate from cores obtained during the cruise of Atlantis II (Woods Hole Oceanographic Institute) to the Black Sea in April and May 1969. Examination of the light-coloured bands...
Authors
David Bukry, Stanley King, Michael Horn, Frank Manheim
By
Woods Hole Coastal and Marine Science Center

Interstitial water studies on small core samples, Deep Sea Drilling Project, Leg 3 Interstitial water studies on small core samples, Deep Sea Drilling Project, Leg 3

Eleven samples of fluids which had been squeezed on board ship, and four, packaged sediment samples were received in our laboratories. As in Leg 2, the volumes of fluid available were scanty and did not permit multiple determinations of constituents in many of the samples; in Hole 21 the fluid available sufficed only for refractometer readings (a few tenths of a milliliter). Therefore...
Authors
F.T. Manheim, K.M. Chan, D. Kerr, W. Sunda
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Interstitial water studies on small core samples, Deep Sea Drilling Project, Leg 5 Interstitial water studies on small core samples, Deep Sea Drilling Project, Leg 5

Leg 5 samples fall into two categories with respect to interstitial water composition: 1) rapidly deposited terrigenous or appreciably terrigenous deposits, such as in Hole 35 (western Escanaba trough, off Cape Mendocino, California); and, 2) slowly deposited pelagic clays and biogenic muds and oozes. Interstitial waters in the former show modest to slight variations in chloride and...
Authors
F.T. Manheim, K.M. Chan, F.L. Sayles
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Economic potential of the Red Sea heavy metal deposits Economic potential of the Red Sea heavy metal deposits

No abstract available.
Authors
James Bischoff, Frank Manheim
By
Woods Hole Coastal and Marine Science Center

Interstitial water studies on small core samples, Deep Sea Drilling Project, Leg 1 Interstitial water studies on small core samples, Deep Sea Drilling Project, Leg 1

The most dramatic variations in pore water composition occurred in Holes 2 and 3 in the Gulf of Mexico. Both holes showed a strong increase in salinity with depth, evidently owing to diffusion from underlying salt bodies. However, on Challenger Knoll (Hole 2) a sharp drop in salinity was observed in the cap rock of the salt dome in which chloride fell to only 4.8 percent. The drop is...
Authors
Frank Manheim, F.L. Sayles
By
Woods Hole Coastal and Marine Science Center

Composition of deeper subsurface waters along the Atlantic continental margin Composition of deeper subsurface waters along the Atlantic continental margin

No abstract available.
Authors
Frank Manheim, M. Horn
By
Woods Hole Coastal and Marine Science Center

Observations in deep-scattering layers off Cape Hatteras, U.S.A. Observations in deep-scattering layers off Cape Hatteras, U.S.A.

No abstract available.
Authors
John Milliman, Frank Manheim
By
Woods Hole Coastal and Marine Science Center

Submarine encrustation of a Byzantine nail Submarine encrustation of a Byzantine nail

Virtually all iron objects recovered from a 7th century Byzantine shipwreck off the coast of Turkey were encrusted with a carbonate-rich layer. Mineralogical and chemical examination reveals limonite, siderite, and aragonite as dominant authigenic phases. The encrustations can be explained by oxidation (corrosion) of the metal in sea water. Analogous processes are suggested for many...
Authors
John Milliman, Frank Manheim
By
Woods Hole Coastal and Marine Science Center

Disposable syringe techniques for obtaining small quantities of pore water from unconsolidated sediments Disposable syringe techniques for obtaining small quantities of pore water from unconsolidated sediments

Disposable plastic syringes, fitted with screen discs and circles of filter paper, can be used to extract small amounts of pore water from unconsolidated sediments. A wooden screw frame or large C clamp supplies pressure for field use. Supplementary techniques enable small volumes of fluid to be recovered and handled easily. The Goldberg compensating refractometer provides a useful...
Authors
F.T. Manheim
By
Woods Hole Coastal and Marine Science Center

ALVIN dives on the continental margin off the southeastern United States ALVIN dives on the continental margin off the southeastern United States

In late June and July, 1967, the Deep Submergence Research Vehicle (DSRV) ALVIN, aboard its mother snip, LULU, proceeded from the spring base of operations, Nassau, to its home port of Woods Hole. During this trip, from July 2 to July 14, a series of five dives were made by ALVIN on the Blake Plateau off Georgia and South Carolina, and on the continental slope north of Cape Hatteras.
Authors
John Milliman, Frank Manheim, R. Pratt, E. Zarudzki
By
Woods Hole Coastal and Marine Science Center
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