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An Evaluation of Nutrient Sources to Onslow Bay, North Carolina

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TLDR
In this paper, the relative importance of various nutrient sources in Onslow Bay, North Carolina, was examined to determine the importance of different sources of nutrients, including upwelled Gulf Stream water and rivers.
Abstract
Hydrographic and current meter data from Onslow Bay, North Carolina, were examined to determine the relative importance of various nutrient sources. Upwelled Gulf Stream water is the major source of nutrients while rivers represent a minor, if not insignificant, source. In the summer during stratified conditions, the upwelled water penetrates across the shelf, but in the winter the upwelled water is restricted to the outer shelf. Nitrate flux across the 40 m isobath was calculated from continuous temperature and current records. Flux during the summer of 1976 was 2 ..mu..M m/sup -2/ sec/sup -1/ which is considerably less than flux estimations for the Georgia shelf or Scotia shelf. In the climatic scale a cooler climate causing denser shelf water would decrease the nutrient flux into the Bay, while a warmer climate causing less dense shelf water would increase the flux of nutrients into central shelf water.

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Variability of the chemical hydrography at the frontal region between the East China Sea and the Kuroshio north-east of Taiwan

TL;DR: The hydrography across the frontal region between the East China Sea and the Okinawa Trough north-east of Taiwan, observed during the summer of 1985 and 1988 and the early spring of 1987, was governed mainly by mixing across the front and the topographically induced upwelling of the modified Kuroshio water in the Okinawa trough during the periodic shelfward migration as discussed by the authors.
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Phytoplankton dynamics within Gulf Stream intrusions on the southeastern United States continental shelf during summer 1981

TL;DR: In this article, a large-scale intrusion of upwelled nutrient-rich Gulf Stream water was the dominant process affecting temporal and spatial changes in phytoplankton biomass and productivity of the southeastern United States continental shelf between 29 and 32°N latitude.
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Water mass linkages between the Middle and South Atlantic bights

TL;DR: In this article, the authors used time and frequency domain analyses to relate coastal meteorological data with 7 years of daily surface temperature and salinity collected at three coastal light stations; offshore of the mouth of Chesapeake Bay, Virginia, on Diamond Shoals, at Cape Hatteras, North Carolina and on Frying Pan Shoals, off Cape Fear.
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Radium 228 in the South Atlantic Bight

TL;DR: In this article, the /sup 228/Ra signal offshore follows known circulation patterns and examination of the surface ocean waters of the South Atlantic Bight reveals details of these patterns, such as sinking of chilled shelf waters carries high AR water to depths of 80-130 m just below the shelf break, where it replaces the high AR waters present 2 months earlier.
References
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Observations of a Gulf Stream frontal eddy on the Georgia continental shelf, April 1977

TL;DR: In this paper, the effect of Gulf Stream frontal disturbances on low-frequency current and temperature variability, water exchange, and nutrient flux in the outer region of the Georgia shelf was analyzed using satellite, hydrographic and data from moored current meters.
Journal ArticleDOI

A description of the circulation on the continental shelf of the east coast of the United States

TL;DR: In this article, the circulation on the continental shelf of the east coast of the United States is discussed, including the historical development of the concepts, and the surface and bottom circulation based on drift-bottle data and sea-bed drifter data.
Journal ArticleDOI

Satellite Observations of the Influence of Bottom Topography on the Seaward Deflection of the Gulf Stream off Charleston, South Carolina

TL;DR: In this article, high-resolution thermal infrared data from the NOAA polar orbiting satellites are studied for the Gulf Stream between Florida and Cape Hatteras from the fall of 1974 to the spring of 1977.
Journal ArticleDOI

Hydrographic properties and circulation of the North Carolina shelf and slope waters

TL;DR: In this paper, the renewal of the North Carolina Shelf Waters are discussed on the basis of temperature, salinity, dissolved oxygen, nutrients, runoff and wind data collected during 1965-1967.
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