EurOCEAN 2000 - Vlaams Instituut voor de Zee

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TITLE: APPLICATIONS OF 3-DIMENSIONAL ELECTROMAGNETIC INDUCTION BY SOURCES IN THE OCEAN : ISO-3D CONTRACT NO: MAS3-CT97-0120 COORDINATOR: Professor Martin C. Sinha Southampton Oceanography Centre University of Southampton, School of Ocean and Earth Science European Way Southampton SO14 3ZH United Kingdom Tel +44 23 8059 3040 Fax +44 23 8059 3059 Email Martin.Sinha@soc.soton.ac.uk PARTNERS: Dr Agusta Hjordis Flosadottir Laboratory of Oceanic and Atmospheric Sciences Halo Ltd. Austurstraeti 16 P.O. Box 638 IS-121 Reykjavik Iceland Tel +354 525 4951 Fax +354 525 4079 Email agusta@halo.is 540 Prof. Dr. Andreas Junge Institut für Meteorologie und Geophysik Johann Wolfgang Goethe-Universität Frankfurt am Main, Germany. Feldbergstr. 47 D-60323 Frankfurt am Main Germany Tel +49 69 798 24899 Fax +49 69 798 23280 Email junge@geophysik.uni-frankfurt.de Dr J. Miguel A. MirandaCentro de Geofisica Instituto de Ciencias da Terra e do Espaço Universidade de Lisboa Rua da Escola Politecnica, 58 1250 LISBOA Portugal Tel +351 1 396 1521 Fax +351 1 395 3327 Email jmiranda@fc.ul.pt
Applications of 3-Dimensional Electromagnetic Induction by Sources in the Ocean 7. ISO-3D MARTIN C. SINHA 1 , AGUSTA H. FLOSADOTTIR 2 , ANDREAS JUNGE 3 , J. MIGUEL A. MIRANDA 4 1 Southampton Oceanography Centre, University of Southampton, United Kingdom; 2 Laboratory of Oceanic and Atmospheric Sciences, Halo Ltd., Reykjavik, Iceland; 3 Institut für Meteorologie und Geophysik, Johann Wolfgang Goethe-Universität Frankfurt am Main, Germany; 4 Centro de Geofisica, Instituto de Ciencias da Terra e do Espaço, Universidade de Lisboa, Portugal 1. INTRODUCTION In the field of marine geoelectromagnetism, two important emerging technologies are leading to new opportunities for studying the properties of, and processes occurring within, both the ocean itself and the solid earth beneath it. Both of these technologies involve the measurement, for either geophysical or oceanographic purposes, of electric or magnetic fields induced in the ocean and the underlying earth by electromagnetic sources within the water column. The sources may be either natural or artificial. The two relevant technologies are controlled source electromagnetic sounding, and techniques for measuring naturally induced electromagnetic fields on the seafloor using ocean bottom instruments and telecommunications cables. ISO-3D is aimed at improving the exploitation of both of these techniques, and developing theoretical and experimental methods for making more effective use of observations of electric and magnetic fields in the oceans induced by both artificial and natural sources. The project is focused in particular on the extension of existing methodologies to take account of fully 3-dimensional induction geometries. At the core of the ISO-3D project is the development of a computer modelling code able to predict the induced electric and magnetic fields from an arbitrary electromagnetic source, embedded in a structure in which the electrical properties of the ocean and the solid earth are allowed to vary in three dimensions. The project has developed this code, and is now exploiting it firstly in a series of numerical modelling studies; and secondly in a demonstration 3-D controlled source electromagnetic (CSEM) sounding experiment on the ocean floor. The target of the CSEM survey is the Lucky Strike segment of the Mid-Atlantic Ridge (SW of the Azores), where the upper oceanic crust is penetrated by a vigourous, high-temperature hydrothermal circulation system, and where constraints from the CSEM experiment on the porosity and temperature structure of the crust are leading to improved understanding of the physical processes associated with high temperature hydrothermal fluxes between the lithosphere and hydrosphere. 541
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OFFICE FOR OFFICIAL PUBLICATIONS OF
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EurOCEAN 2000 The European Conferen
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TABLE OF CONTENTS (Volumes I - II)
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Integrated nitrogen model for europ
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II.1.2 Mehtods for monitoring, fore
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III.2.2 Oceanographic measurement a
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380
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382
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Jan van de Graaff Delft University
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dimensional near-field hydrodynamic
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ISVA, turbulence under spilling bre
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Most important results until now: W
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TITLE : PREDICTION OF COHESIVE SEDI
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394 PREDICTION OF COHESIVE SEDIMENT
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processes of CBS. This is particula
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liquefaction (e.g. induced by wave
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TITLE : COASTAL STUDY OF THREE-DIME
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COASTAL STUDY OF THREE-DIMENSIONAL
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morphological change. Their predict
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O’Connor B.A., and Nicholson J. (
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Professor F Seabra-Santos Universid
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The INDIA Project brings together m
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412 (CCMS-POL, USC) and bed sonar e
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Prof. D. Myrhaug (NTNU) Norwegian U
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project is focussed on relevant pra
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Modelling results for the flat bed
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engineering firms (coastal engineer
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422
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Luigi Alberotanza Inst. for the Stu
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All three sites are equipped with i
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2.3 Assessment of methods for the i
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TITLE : OPERATIONAL MODELLING FOR C
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‰ B. Model investigations on oper
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modelling strategies and sampling d
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TITLE: A USER-FRIENDLY TOOL FOR THE
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EUROWAVES OVERVIEW A quick illustra
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Figure 1 An example of the EUROWAVE
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Figure 4 Example output field for s
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444 EUROPEAN RADAR OCEAN SENSING He
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Figure1: WERA current field. Figure
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information in maps has proven to b
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Universidad Politecnica de Cataluny
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esources, such as in ship routing.
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Data Analysis The basic idea of adv
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implemented in system analyses and
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Dr. Claude Millot CNRS LOB/COM B.P.
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MEDITERRANEAN FORECASTING SYSTEM PI
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ADCP and line three mooring consist
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464 MeteoFrance ftp site Ocean forc
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TITLE: ASSESSMENT OF ANTIFOULING AG
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INTRODUCTION Antifouling paints are
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e.g. diuron was detected in Swedish
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esults suggest effects in the low n
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TITLE: SCOUR AROUND COASTAL STRUCTU
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Conference among others, and will b
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TOPIC 2.4. SEDIMENT TRANSPORT/SCOUR
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TITEL: VALIDATION OF LOW LEVEL ICE
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Ice compressive strength tests were
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subsequent inclined shear failure.
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486 Fig. 1 Fig. 2
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ir. M. Willems FC/FH - Flanders Hyd
Page 124 and 125: jetty and the armour layer. Out of
Page 126 and 127: Both the Zeebrugge and the Petten s
Page 128 and 129: alternative methods for the evaluat
Page 130 and 131: PORTUGAL Dr. César Andrade Centro
Page 132 and 133: Dr. Yolanda Foote Centre for Enviro
Page 134 and 135: cliff erosion and the life span of
Page 136 and 137: BIOLOGICAL PROCESSES ESPED recognis
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Page 144 and 145: 510 AUTOMATIC IDENTIFICATION AND CH
Page 146 and 147: complexity of the data. Once traine
Page 148 and 149: INTEGRATING IDENTIFICATION AND CHAR
Page 150 and 151: TITLE: SEDIMENT IDENTIFICATION FOR
Page 152 and 153: 518 SEDIMENT IDENTIFICATION FOR GEO
Page 154 and 155: The way to sense the marine environ
Page 156 and 157: 6. Data processing and inversion (L
Page 158 and 159: TITLE: TRANSMISSION OF ELECTROMAGNE
Page 160 and 161: 526 Attenuation dB/m 10 4 10 3 10 2
Page 162 and 163: Figure 2 Spectral response for wave
Page 164 and 165: TITLE: IMPROVED MICROSTRUCTURE MEAS
Page 166 and 167: IMPROVED MICROSTRUCTURE MEASUREMENT
Page 168 and 169: committee proposed the new establis
Page 170 and 171: of the profiler. Thus, the ACC98 se
Page 172 and 173: Figure 3b: Measurements of and diss
Page 176 and 177: 2. OBJECTIVES The first objective o
Page 178 and 179: to demonstrate a capability for col
Page 180 and 181: 546 ADIAC: DIATOMS GO DIGITAL M. Ba
Page 182 and 183: SLIDE SCANNING FOR DIATOM LOCALIZAT
Page 184 and 185: performance of normal PCs and the a
Page 186 and 187: TITLE : SUBSEA TOOLS APPLICATION RE
Page 188 and 189: 554 SUBSEA TOOLS: A CRAFT PROJECT T
Page 190 and 191: RESULTS The deliverable is a multi-
Page 192 and 193: TITLE: DINOFLAGELLATE CATEGORISATIO
Page 194 and 195: 1998) has simplified the developmen
Page 196 and 197: Fig. 3: Example specimen images 562
Page 198 and 199: REFERENCES Culverhouse PF, Ellis RE
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Page 202 and 203: INTRODUCTION 568 LOTUS Long Range T
Page 204 and 205: DESIGN OF EXPERIMENTAL EQUIPMENT Th
Page 206 and 207: Figure 2: Complex base-band impulse
Page 208 and 209: ACKNOWLEDGEMENTS This work is funde
Page 210 and 211: 576 THE SEISCAN INITIATIVE: SEISMIC
Page 212 and 213: een fed through to the scanning cen
Page 214 and 215: Data scanned At the time of writing
Page 216 and 217: The digital transcription forms an
Page 218 and 219: 584 SUMMARY OF SWAN PROJECT OBJECTI
Page 220 and 221: Apart from suffering from ISI, a mu
Page 222 and 223: TITLE : LONG-RANGE SHALLOW-WATER RO
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OBJECTIVES Present communication sy
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RESULTS OF THE DATA ANALYSIS Analys
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TITLE : UNDERWATER DIVING INTERPERS
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Orientation The electrical field ap
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[6] Virr LE (1987) « Role of elect
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TITLE : ELECTROACOUSTIC PROTOTYPE F
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specimen of bottlenose dolphin capt
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REFERENCES Cameron, G. 1999. Report
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606
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608 HIGH RESOLUTION IN SITU HOLOGRA
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due to thermal expansion. The power
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612 200 mm stages with optics and C
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III.1.4 Submarine geotechnics 615
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TITLE : GROUTED OFFSHORE PILES FOR
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Solution One solution to this probl
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technology. Harbour works, wharves,
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• A major characterisation progra
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VERY HIGH RESOLUTION MARINE 3D SEIS
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Monaco harbour (France) A very comp
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End-users highlighted the current,
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C. Smith Institute of Marine Biolog
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package for Automatic Mobile Invest
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The operation of ARAMIS The typical
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• ROV landing on the sea bottom t
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EURODOCKER - A UNIVERSAL DOCKING -
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RESULTS: EURODOCKER SYSTEM DESCRIPT
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THE PROTOTYPE The Construction of t
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TITLE : LIGHTWEIGHT COMPOSITE PRESS
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OBJECTIVES: The aim of the project
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TITLE : ADVANCED SYSTEM INTEGRATION
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651 Differential GPS - Reference St
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Figure 3.a The DELFIM ASC Figure 3.
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place vertically in the framework o
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[8] A. Pascoal, . P. Oliveira, C. S
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Eng. J.-M.Coudeville ORCA Instrumen
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THE GEOSTAR PROTOTYPE GEOSTAR proto
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CONCLUSIONS GEOSTAR 2 is a project
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goals of the project and results of
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III.2.2. Oceanographic measurement
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TITLE : GAS HYDRATE AUTOCLAVE CORIN
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initially most important parameters
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3.4 Finalization of delayed tasks i
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Dr. Margaret Yelland Southampton Oc
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RESULTS FROM THE FIRST PROJECT PERI
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Taylor,P. K. and M. J. Yelland, 199
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TRACE METAL MONOTORING IN SURFACE M
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THE FLUORESCENCE SIGNAL OBTAINED WH
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The reaction of 6-mercaptopurine, l
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TITLE : OCEAN TOMOGRAPHY OPERATIONA
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The OCTOPUS project has been runnin
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Fig. 2: Typical TOMOLAB input: Tomo
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The establishment of a data bank fo
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TITLE: SPECTROSCOPY USING OPTICAL F
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The overall objective of the SOFIE
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devoted to investigate the behaviou
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TITLE : DEVELOPMENT AND TEST OF AN
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in-situ (Nitrate, Nitrite, Ammonia,
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Apart from the measurements made in
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MANUFACTURE OF CALIBRATION SOLUTION
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einz-Detlef Kronfeldt, Heinar Schmi
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