1 edition of Winter circulation and hydrography over the continental shelf of the northwest Gulf of Alaska found in the catalog.
Winter circulation and hydrography over the continental shelf of the northwest Gulf of Alaska
by U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Environmental Research Laboratories, Supt. of Docs, U.S. G.P.O., distributor] in Boulder, Colo, [Washington, D.C
Written in English
|Statement||J.D. Schumacher ... [et al.]|
|Series||NOAA technical report ERL -- 404-PMEL 31, NOAA technical report ERL -- 404, NOAA technical report ERL -- 31|
|Contributions||Schumacher, J. D, Pacific Marine Environmental Laboratory (U.S.), Environmental Research Laboratories (U.S.)|
|The Physical Object|
|Pagination||iii, 16 p. :|
|Number of Pages||16|
At the time, there were no fall or winter hydrographic profiles for the Gulf of Alaska continental shelf in the National Oceanographic Data Center (NODC) database. Dr. Royer led >20 Seward Line physics research expeditions and innumerable day trips to GAK1 from Seward. Sep 5, - Explore TracyMorrow7's board "Gulf of Alaska", followed by people on Pinterest. See more ideas about Gulf of alaska, Alaska and Two oceans meet pins.
The Alaska Coastal Current is a continuous, well-defined system extending for km along the coast of Alaska from Seward, Alaska to Samalga Pass in the Aleutian Islands. The currents in this region are examined using data-collected at > 20 mooring sites and from > satellite-tracked drifters. The other major cruising area is the Southcentral region's Gulf of Alaska, usually referred to by the cruise lines as the "Glacier Discovery Route," or the "Voyage of the Glaciers," or some such catchy title. "Gulf of Alaska," after all, sounds pretty bland. The coastline of the Gulf is that arc of land from just north of Glacier Bay to the Kenai Peninsula.
O feet tall and 20 miles wide at the base, Patton Seamount originally formed off Washington state as a submerged volcano 33 million years ago. Over time, as the Pacific Plate moved steadily northwest, Patton Seamount was carried off the hotspot and into the Gulf of Alaska. New volcanoes formed one after another over this hotspot. The Seward line is a transect of oceanographic survey stations that begins at the GAK1 mooring at the mouth of Resurrection Bay in the Gulf of Alaska (59°’N, °’W) and continues south across the Gulf of Alaska to the outer edge of the continental Shelf, or “shelf break” (58°’N, ° W).
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WINTER CIRCULATION AND HYDROGRAPHY OVER THE CONTINENTAL SHELF OF THE NORTHWEST GULF OF ALASKA1 J. Schumacher, R. Sillcox/D. Dreves,3 and R. Muench Pacific Marine Environmental Laboratory ABSTRACT. During winter temperatures and salinity were measured in the shelf region east of Kodiak Island and in the Shelikof Strait.
Get this from a library. Winter circulation and hydrography over the continental shelf of the northwest Gulf of Alaska. [J D Schumacher; Pacific Marine Environmental Laboratory (U.S.); Environmental Research Laboratories (U.S.);].
 Satellite and hydrographic observations of oceanographic conditions in the northwestern Gulf of Alaska indicate that anticyclonic eddies propagating adjacent to the continental shelf alter the structure of the shelf break front and, in doing so, influence the shelf‐slope exchange of biota and water mass properties.
Eddies typically form in the northern Gulf of Alaska during fall and winter and propagate southwestward within an ∼ km wide corridor along and above the continental Cited by: Estimates of the volume transport of the Alaska Stream, relative to db, range between 8 and 17 Sv (1 Sv = 1 x m3 s-l; FAVORITE et al., ; REED et al., ; ROYER, ).
The response of the circulation in the Gulf of Alaska to the large seasonal variation in the wind-stress curl is by: continental shelf alter the structure of the shelf break front and, in doing so, influence the shelf-slope exchange of biota and water mass properties.
Eddies typically form in the northern Gulf of Alaska during fall and winter and propagate southwestward within an km wide corridor along and above the continental slope.
Eddy activity within thisCited by: The water mass structure and circulation of the continental shelf waters west of the Antarctic Peninsula are described from hydrographic observations made in March–May The observations cover an area that extends km alongshore and km offshore and represent the most extensive hydrographic data set currently available for this by: In spring andnorthern Gulf of Alaska (GOA) shelf waters were ˜°C below average throughout the ˜ m deep shelf and the salinity-dependent winter stratification was anomalously Author: Thomas Royer.
The observed vertical homogeneity suggests that the fresher near-surface Gulf of Maine water and the more saline deep basin water are frequently mixed during the early winter in the western region.
Interactions between the circulation of Prince William Sound (PWS), Alaska, and that of the continental shelf region of the northern Gulf of Alaska are studied numerically. The focus is on the flow structure at Hinchinbrook Entrance (HE) and Montague Strait (MS) and the associated PWS interior circulation under various initial state and forcing Cited by: Originates over northern Pacific, often in the Gulf of Alaska.
Cool, moist, unstable. Responsible for much of the moisture on the coast of BC during winter months. Cold, dry, arctic air mass meets the mooist maritime air resulting in heavy blizzard conditions.
Drivers of warming varied over the domain. In southern New England and the mid-Atlantic shallow Shelf regions, benthic warming was tightly coupled to changes in SST, whereas both regional and basin-scale changes in ocean circulation affect temperatures in the Gulf of Maine, the Continental Shelf, and Georges by: Meteorological Conditions Meteorological conditions over the shelf region of the northeast Gulf of Alaska are subject to strong annual variation.
During winter, atmospheric cir culation over the Gulf of Alaska is dominated by a low pressure trough, the Aleutian Low. Analysis of the time series of the temperature and salinity in the northern Gulf of Alaska from December to September shows annual signals in water properties with warm, low‐salinity surface water in summer and cold, high‐salinity surface water in late winter.
The mean surface temperature and salinity were °C. Which of the numbered on this figure is a continental shelf. Which number is a continental slope. Gulf of California.
A seismic wave is refracted to a steeper angle when it. Passes from a faster material into a slower one. YOU MIGHT ALSO LIKE Geology The "Bathymetric map of the continental shelf, slope, and rise of the Beaufort Sea north of Alaska" is based primarily on new bathymetric data acquired during the course of seismic reflection surveys conducted by the U.S.
Geological Survey in and and by the Geophysical Corporation of Alaska in (figs. 1 and 2).Cited by: Introduction The U.S. Geological Survey has a long history of exploring marine geology in the Gulf of Alaska. As part of a cooperative program with other federal and state agencies, the USGS is investigating the relations between ocean-floor geology and benthic marine biohabitats.
This bottom sediment map, compiled from published literature will help marine biologists develop an understanding. Surface Circulation on the Continental Shelf Off Eastern North America between Newfoundland and Florida (Serial Atlas of the Marine Environment, Folio 7) [Dean F.
Bumpus, Louis M. Lauzier] on *FREE* shipping on qualifying offers. Gulf of Alaska cruises. Cruises that skirt across the Gulf of Alaska are sometimes one-way itineraries routed either south from beautiful Anchorage (in truth it's usually the ports of Whittier or Seward) or north from Seattle or cover more territory and also lend themselves to pre- or post-cruise land excursions (often called cruise tours) because passengers embark or disembark 95%.
The Alaska Coastal Current is the most striking shelf circulation feature in the Gulf, and station GAK1 is positioned along its inshore edge. The main axis of this swift (– m s–1) westward- flowing current is within 35 km of the coast (Royer, ; Johnson et al., ; Stabeno et al.
The Gulf of Alaska (French: Golfe d'Alaska, Russian: Зали́в Аля́ска) is an arm of the Pacific Ocean defined by the curve of the southern coast of Alaska, stretching from the Alaska Peninsula and Kodiak Island in the west to the Alexander Archipelago in the east, where Glacier Bay and the Inside Passage are found.
The Gulf shoreline is a rugged combination of forest, mountain and Coordinates: 57°N °W /. Gulf of Alaska, broad inlet of the North Pacific on the south coast of Alaska, U.S. Bounded by the Alaska Peninsula and Kodiak Island (west) and Cape Spencer (east), it has a surface area ofsquare miles (1, square km).
The coast is deeply indented by fjords and other inlets, including Cook Inlet and Prince William Sound (on either side of the Kenai Peninsula).large storm waves results in concentrations of gravel over broad segments of the Kodiak shelf (Hampton and others, ).
MAP OF DISTRIBUTION OF BOTTOM SEDIMENTS ON THE CONTINENTAL SHELF, GULF OF ALASKA By Kevin R. Evans, Paul R. Carlson, Monty A. Hampton, Michael S. Marlow, and Peter W. Barnes 10 0 20 10 0 continental slope (Figure 1). This survey was designed to continue the time series () of the Gulf of Alaska portion of the Japan-U.S.
cooperative longline survey that was discontinued after NMFS has surveyed the Gulf of Alaska annually sincethe eastern Aleutian.