Atlantic Ocean, northwest

Cochran JK, Bacon MP, Krishnaswami S, Turekian KK (1983) °Po and °Pb distributions in the central and eastern Indian Ocean. Earth Planet Sci Lett 65 433-445 Cochran JK, Livingston HD, Hirschberg DJ, Surprenant LD (1987) Natural and anthropogenic radionuclide distributions in the northwest Atlantic-ocean. Earth Planet Sci Lett 84 135-152 Cochran JK (1992) The oceanic chemistiy of the uranium and thorium-series nuclides In Uranium-series disequihbrium applications to earth, marine, and environmental sciences. Ivanovich M, Harmon RS (eds) Oxford University Press, New York, p 334-395... 

Mumane RJ, Cochran JK, Sarmiento JL (1994) Estimates of particle- and thorium-cycling rates in the northwest Atlantic Ocean. J Geophys Res 99 3373-3392 Mumane RJ, Cocliran JK, Buesseler KO, Bacon MP (1996) Least-squares estimates of thorium, particle and nutrient cycling rate constants from the JGOFS North Atlantic Bloom Experiment. Deep-Sea Res 1 43(2) 239-258... 

Northwest Atlantic Ocean November 1990 muscle, liver, ovaries ... 

Pacific Ocean, ranging from the Philippines, the Ryuku and Bonin islands and south of Japan. There is also a string of precious red and pink coral beds northwest of Hawaii and off the Cape Verde islands in the Atlantic Ocean off west Africa. A submersible vessel, the Star II, operated by Maui Divers of Hawaii, Ltd., is used io harvest pink coral (CoraUium secundum) from the Makapuu bed. State regulations permit the collection of only 4400 pounds (1996 kilograms) within a 2-year period. 

Spencer, M.3., Piotrowicz, S.R. and Betzer, P.R., 1982. Concentrations of cadmium, copper, lead and zinc in surface waters of the northwest Atlantic Ocean - a comparison of Go-Flo and teflon water samplers. Mar. Chem., 11 403-410. 

Wu J, Luther GW III (1995) Complexation of Fe(ni) by natural organic ligands in the Northwest Atlantic Ocean by a competitive ligand equilibration method and a kinetic approach. Mar Chem 50 159-177 Wu J, Boyle E, Sunda W, Wen L-S (2001) Soluble and colloidal iron in the oligotrophic North Atlantic and North Pacific. Science 293 847-849 Zivin JA, Waud DR (1982) How to analyze binding, enzyme and uptake data the simplest case, a single phase. Life Sci 30 1407-1422... 

Serrano, R. Fernandez, M. Rabanal, R. Hernandez, M. Gonzalez, M.J., Congener-specihc determination of polychlorinated biphenyls in shark and grouper livers from the northwest African Atlantic Ocean Arch. Environ. Contam. Toxicol. 2000, 38, 217-224. 

Figure 7). His results indicate that Rq and CSL are close to coincident with the probable uncertainty of their determination. A detailed profile showing the relations among the sediment marker levels and the saturation state of seawater with respect to calcite and aragonite in the Northwest Atlantic Ocean is presented in Figure 8.

Bange (2006a) conclusions are in line with a recent seasonal study of N2O in the water column of the Bedford Basin (Northwest Atlantic Ocean), which showed that water-column nitrification was the dominant N2O formation pathway (Punshon and Moore, 2004). N2O consumption was only temporarily observed when dissolved O2 was considerably depleted (2.5 pmol L ) shifting the system from oxic to suboxic conditions (Punshon and Moore, 2004). 

Martine, W. R., and Sayles, F. L. (2004). Organic matter cycling in sediments of the continental margin in the northwest Atlantic Ocean. Deep-Sea Research Part I-Oceanographic Research Papers 51(3), 457-489. 

Wu, J. F., and Luther, G. W. (1995). Complexation of Fe(III) by natural organic-hgands in the Northwest Atlantic Ocean by a competitive ligand equdibration method and a kinetic approach. 

Dalziel J. A. (1992) Reactive mercury on the Scotian Shelf and in the adjacent Northwest Atlantic Ocean. Mar Chem. 37(3-4), 171-178. 

A cold-trap pre-concentration procedure, which is incorporated into a standard jlameless atomic absorption analysis of mercury in environmental samples, has been used for both shipboard and laboratory analyses of mercury in seawater, The coefficient of variation for seawater containing 25 ng Hg/l, is 15%, and a detection limit of approximately 0,2 ng Hg is attainable. In surface seawaters of coastal and open regions of the northwest Atlantic Ocean mercury concentrations appear to decrease with increasing distance from terrestrial sources. In the open ocean samples they are less than 10 ng/l. and rather uniformly distributed. The amounts of mercury in inshore samples can approach 50 ng/l, A significant mercury fraction characterized by a stable association with organic material may be present in coastal waters. 

Table II. Mercury Concentrations vs. Depth for Four Stations in the Northwest Atlantic Ocean...

The reported concentrations for mercury in seawater range from non-detectable to 364 ng/1. (11, 12, 15-17, 28-30). In several of these studies, the concentrations of mercury were greater than 100 ng/1. in open ocean waters (12, 28, 29, 30). The data from our investigations of the northwest Atlantic Ocean (Table II) and other studies (11, 15, 16, 17) indicate that the mercury concentrations should be closer to 10 ng/1. in these open ocean waters. 

In our previous investigations of the amounts and distribution of mercury in the surface waters of the northwest Atlantic Ocean, we found a mean total mercury concentration of 7 ng/1. and a range of 6-11 ng/1. (26). Also, we found in open ocean surface waters no significant difference between the mercury concentrations measured directly in pre-acidified seawater ( reactive mercury) and the total mercury determination in the organic free samples. In the work shown in Table II, we also found no significant difference between the reactive mercury determination and the total mercury measurement, which was carried out in approximately one third of the samples. The total mercury measurements appear in the square brackets for the results tabulated in Table II. 

Galicia, northwest Spain, bounded to the Atlantic Ocean Italy England... 

The oceanic profiles of iodide are mirror images of those for iodate. Figure 1A shows our data for both iodine species over depth in the northwest Atlantic Ocean. These data are similar to previous reports in other oceanic systems. The profiles indicate that I" is formed in the photic zone. I in these samples was typically stable for several months in our reanalysis of stored and refrigerated samples. 

Schroder, C. J. 1986. Deep-water arenaceous foraminifera in the northwest Atlantic Ocean. Canadian Technical Report of Hydrography and Ocean Sciences, 71, 1-191. 

Sutcliffe, W.H., Sheldon, R.W. and Prakash, A., 1970. Certain aspects of production and standing stock of particulate matter in the surface waters of the Northwest Atlantic Ocean. J. Fish. Res. Board Can., 27 (II) 1917—1926. 

Gordon, D.C. Jr., Keizer, P.D. and Dale, J., 1974. Estimates using fluorescence spectroscopy of the present state of petroleum hydrocarbon contamination in the water column of the northwest Atlantic ocean. Mar. Chem., 2 251—261. 

Conventionally, the Pillars are thought to be Gibraltar but Plutarch s De facie quae in orbe lunae apparet (the face that appears in the moon s circle) suggests the Pillars are northwest of Britain in the Faroe Islands in the North Atlantic Ocean near the Gulf Stream. Aristotle said that the Pillars of Hercules were the Pillars of Briareus. Homer s Odyssey refers to them as the Pillars of Atlas. Tacitus wrote that in 12 BCE, Tiberius brother Drusus Germanicus sailed into the northern seas to find the Pillars because rumour had it that the Pillars of Hercules still existed He turned back because of terrible weather. 

Wood. D.A., Tamey J, and Weaver B.L., 1981, Trace element variations in Atlantic ocean basalts and Proterozoic dykes from Northwest Scotland their bearing upon the nature and geochemical evolution of the upper mantle. Tectonophysics, 75, 91-112. 

B. Heneman in Persistent Marine Debris in the North Sea, Northwest Atlantic Ocean, Wider Caribbean Area and the West Coast of Baja California, US Department of Commerce, Washington, DC, USA, 1988. 

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