Radionuclides in the Study of Marine Processes

Front Matter....Pages i-xiii
Front Matter....Pages 1-1
Radiocaesium and Plutonium in Atlantic Surface Waters from 73 °N to 72 °S....Pages 3-11
Radioactive Tracers in the Greenland Sea....Pages 12-22
Short- and Long-Range Transport of Caesium and Plutonium in Spanish Mediterranean Waters....Pages 23-23
Radionuclides in Water and Suspended Particulate Matter from the North Sea....Pages 24-36
Studies on the Speciation of Plutonium and Americium in the Western Irish Sea....Pages 37-51
Anthropogenic 14 C as a Tracer in Western U.K. Coastal Waters....Pages 52-60
Radiocaesium in Local and Regional Coastal Water Modelling Exercises....Pages 61-73
Mathematical Model of 125 Sb Transport and Dispersion in the Channel....Pages 74-83
The Dispersion of 137 Cs from Sellafield and Chernobyl in the N.W. European Shelf Seas....Pages 84-93
Gas Exchange at the Air-Sea Interface: A Technique for Radon Measurements in Seawater....Pages 94-104
Front Matter....Pages 105-105
Are Thorium Scavenging and Particle Fluxes in the Ocean Regulated By Coagulation?....Pages 107-115
 234 Th: An Ambiguous Tracer of Biogenic Particle Export from Northwestern Mediterranean Surface Waters....Pages 116-128
The Interaction between Hydrography and the Scavenging of 230 Th and 231 Pa Around the Polar Front, Antarctica....Pages 129-129
Particle/Solution Partitioning of Thorium Isotopes in Framvaren Fjord: Insights into Sorption Kinetics in a Super-Anoxic Environment....Pages 130-141
The Use of 210 Po/ 210 Pb Disequilibria in the Study of the Fate of Marine Particulate Matter....Pages 142-153
Study of the Scavenging of Trace Metals in Marine Systems Using Radionuclides....Pages 154-163
Lead-210 Balance and Implications for Particle Transport on The Continental Shelf, Mid-Atlantic Bight, USA....Pages 164-164
Surface Complexation Modelling of Plutonium Adsorption on Sediments of the Esk Estuary, Cumbria....Pages 165-174
Front Matter....Pages 175-175
The Determination of 240 Pu/ 239 Pu Atomic Ratios and 237 Np Concentrations Within Marine Sediments....Pages 177-186
A New Tracer Technique for in Situ Experimental Study of Bioturbation Processes....Pages 187-196
Front Matter....Pages 175-175
Le 137 Cs: Traceur de la Dynamique Sedimentaire sur le Prodelta du Rhone (Méditerranée nord-occidentale)....Pages 197-208
Be and Be in Submarine Hydrothermal Systems....Pages 209-209
The Role of Radiogenic Heavy Minerals in Coastal Sedimentology....Pages 210-221
The Use of 210 Pb as an Indicator of Biological Processes Affecting the Flux and Sediment Geochemistry of Organic Carbon in the NE Atlantic....Pages 222-233
The Total Alpha Particle Radioactivity for Some Components of Marine Ecosystems....Pages 234-244
Transuranics Contribution off Palomares Coast: Tracing History and Routes to the Marine Environment....Pages 245-254
The Use of Radionuclides (unsupported 210 Pb, 7 Be and 137 Cs) in Describing the Mixing Characteristics of Estuarine Sediments....Pages 255-264
Plutonium, Americtum and Radiocaesium in Sea Water, Sediments and Coastal Soils in Carlingford Lough....Pages 265-275
Radioecology of Cobalt-60 under Tropical Environmental Conditions....Pages 276-282
Front Matter....Pages 283-283
Thorium isotopes as tracers of particle dynamics and carbon export from the euphotic zone....Pages 285-285
Interannual Variation in Transuranic Flux at the Vertex Time-Series Station in the Northeast Pacific and Its Relationship to Biological Activity....Pages 286-298
Enhanced Deposition of Chernobyl Radiocesium by Plankton in the Norwegian Sea: Evidence from Sediment Trap Deployments....Pages 299-308
Polonium-210 and Lead-210 in Marine Organisms: Allometric Relationships and Their Significance....Pages 309-318
Radiotracers in the Study of Marine food Chains. The Use of Compartmental Analysis and Analog Modelling in Measuring Utilization Rates of Particulate Organic Matter by Benthic Invertebrates....Pages 319-328
Natural and Artificial Radioactivity in Coastal Regions of UK....Pages 329-339
The Ecological Half-Life of Cs-137 in Japanese Coastal Marine Biota....Pages 340-349
The Use of Pb-210/Ra-226 and Th-228/Ra-228 Dis-Equilibria in the Ageing of Otoliths of Marine Fish....Pages 350-359
Some Priorities in Marine Radioactivity Research....Pages 360-360
Front Matter....Pages 361-361
Characterizing the Mixing of Water Flowing Into the North Sea Using Artificial Gamma Emitters (Tramanor cruise, July 1988)....Pages 363-363
Transport D’elements A L’etat de Traces Dans les Eaux Cotieres de la Manche: Etude de la Distribution Spatiale d’un Traceur Radioactif ( 106 Ru-Rh) Dans les Moules et les Fucus....Pages 364-364
Front Matter....Pages 361-361
Studies on the Transport of Coastal Water from the English Channel to the Baltic Sea Using Radioactive Tracers (Mast Project)....Pages 365-365
Studies of Chernobyl 90 Sr and Cs Isotopes in the Northwest Black Sea (Poster)....Pages 366-366
The Scope for Studies of Artificial Radionuclides in the Seas Around the USSR....Pages 367-367
Teneurs en 239+249Pu, 137 Cs, 90 Sr des Eaux de mer au Voisinage de L’Atoll de Mururoa et en Polynesie Francaise....Pages 368-368
Uranium-Series Nuclides in Sediment, Water, and Biota of Saqvaqjuac Inlet, a Subarctic Estuary, N.W. Coast Hudson Bay....Pages 369-369
Les Mesures Directes Ininterrompues Gamma-Spectrométriques Dans le Milieu de Mer-Un Des Méthodes Perspectives de L’Etude et Du Contrôle de la Radioactivité de L’Eau Maritime....Pages 370-370
Iodine and Its Valency Forms as the Tracers of Water Movement....Pages 371-371
An Automated Radiochemical Purification Procedure for the Mass Spectrometric Analyses of Thorium and Plutonium in Environmental Samples (Poster)....Pages 372-372
A Preliminary Study to Assess the Effect of Some Seawater Components on the Speciation of Plutonium....Pages 373-373
Particle cycling rate constants from nutrient particle and thorium isotope data in the NW Atlantic Ocean....Pages 374-374
Chernobyl Radionuclides as Tracers of Sedimentation Processes in the Northern Adriatic Sea (Italy)....Pages 375-375
A Study of Pb-210 Method Applicability to Guanabara Bay Sedimentation Rates....Pages 376-376
Artificial Radionuclides in the Surface Sediment of the Irish Sea....Pages 377-377
Radiocaesium in North- East Irish Sea Sediments: Interstitial Water Chemistry....Pages 378-378
Correlation Between Particle Size and Radioactivity in Inter-Tidal Sediments in Northern Ireland....Pages 379-379
 210 Pb Chronologies of Recent Sediments in Tidal Lakes of the Chenier Marshes of Louisiana....Pages 380-380
The Chemical Associations and Behaviour of Long-Lived Actinide Elements in Coastal Soils and Sediments....Pages 381-381
Saltmarshes: An interface for exposure to radionuclides from marine discharges at Sellafield....Pages 382-382
Evaluation of Metal Dynamics in Sediments of a Tropical Coastal Lagoon by Means of Radiotracers and Sequential Extractions....Pages 383-383
 210 Pb Uptake by a Tropical Brown Seaweed ( Padina Gymnospora )....Pages 384-384
Front Matter....Pages 361-361
 Strombus pugilis (Mollusc: Gastropode) as a Potential Indicator of Co-60 in a Marine Ecosystem....Pages 385-385
The Uptake and Distribution of α-Emitting Radionuclides in Marine Organisms....Pages 386-386
Abyssal Module Incubator 6000 Meters (A.M.I. 6000), Un Dispositif de Marquage Par L’eau D’organismes Marins de Grandes Profondeurs....Pages 387-387
Radionuclides in the Study of Marine Processes: Is there a Role for Regular Monitoring?....Pages 388-388
Comparison of Genotoxic Responses of Some Benthic Marine Invertebrates to Radiation....Pages 389-389
A Model of Diodromous Pish Spawning....Pages 390-390
Back Matter....Pages 391-393