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Contenido archivado el 2024-04-15

INVESTIGATION OF PAST AND FUTURE EUROPEAN SEA LEVEL CHANGES AND THEIR IMPACTS

Objetivo



RESEARCH WILL BE CONDUCTED IN THREE PHASES :PHASE 1 - WILL CONSTITUTE THE DEFINITION OF SUITABLE STUDY AREAS, FOLLOWED BY THE LOCATION AND FINAL SELECTION OF FIELD SITES TO BE WORKED UPON WITHIN THESE AREAS. UTILIZING THE EXISTING SEA-LEVEL DATA BASE FOR NORTHWEST EUROPE AS A FRAMEWORK, THE WORK WILL BE CARRIED OUT USING DETAILED ORDNANCE SURVEY MAPS, AIR PHOTOGRAPHS AND REMOTE SENSING (LANDSAT ETC) INFORMATION IN THE INITIAL APPRAISAL - SELECTION OF STUDY AREAS - FIELD SITES. FOLLOWING INITIAL SELECTION, FIELD VISITS TO SITES TO UNDERTAKE LITHOSTRATIGRAPHIC - CORING WORK, SAMPLE RETRIEVAL AND FIELD MAPPING WILL BE USED TO DEFINE THE SITES MOST USEFUL TO THE PROJECT STUDY. SEDIMENT CORES AND RELATED SEA-LEVEL DATA WILL THEN BE COLLECTED FROM THESE SITES USING ESTABLISHED SHALLOW - INTERMEDIATE DEPHT (30M) CORING TECHNIQUES, EMPLOYING HAND AND/OR POWERED (PISTON/SHELL AND AUGER) EQUIPMENT (AS APPROPRIATE). PRECISE HEIGHT LEVELLING OF SITES WILL BE UNDERTAKEN TO ESTABLISH A HEIGHT STRATIGRAPHIC FRAMEWORK FOR DATA. CORES/MATERIAL RETRIEVED WILL BE USED FOR SUBSEQUENT DETAILED LABORATORY EXAMINATION OF THE CONTAINED SEA-LEVEL RECORD.PHASE 2 - WILL BE CONCERNED WITH LABORATORY ANALYSES OF THE GEOLOGICAL - SEDIMENTARY DATA, USING PRIMARILY BIOSTRATIGRAPHIC/PALAEONTOLOGICAL MICRO-/MACROFOSSIL TECHNIQUES TO DETERMINE THE FORM OF THE PALAEOENVIRONMENTAL - SEA-LEVEL CHANGES RECORDED. THIS WORK WITH FURTHER HELP WILL DEFINE MORE PRECISELY CHANGES IN COASTAL SHAPE/PALAEOGEOGRAPHY, WITH A VIEW PARTICULARLY TO AIDING RECONSTRUCTION OF WATER LEVEL CHANGES AND PAST TIDAL MODULATION. MICRO FOSSIL WORK WILL CONCENTRATE UPON POLLEN, DIATOM, FORAMINIFERA AND COCCOLITH MATERIAL (RANGE OF TECHNIQUES USED DEPENDING UPON FOSSIL PRESENCE AND THE AVAILABILITY OF TIME) IN ORDER TO PROVIDE INFORMATION ON PAST WATER-LEVEL CHANGES AND A RELATIVE DATING FRAMEWORK. WHERE APPROPRIATE, THE GEOTECHNICAL PROPERTIES (E.G. SEDIMENT PARTICLE SIZE, OVER CONSOLIDATION) OR SAMPLE MATERIAL MAY BE EXAMINED TO AID IN DEFINITION OF THE NATURE OF PAST ENVIRONMENTAL AND WATER-LEVEL MOVEMENTS.ON THE BASIS OF THE BIOSTRATIGRAPHIC WORK, SAMPLE MATERIAL WILL BE SENT FOR RADIOMETRIC DATING (USING PRIMARILY RADIOCARBON DATING TECHNIQUES) IN ORDER TO PROVIDE A CHRONOLOGICAL FRAMEWORK FOR THE RECORDED SEA-LEVEL AND ENVIRONMENTAL CHANGES.PHASE 3 - THE ANALYSIS AND INTERPRETATION OF THE FIELD AND LABORATORY DATA WILL BE CONCENTRATED. THE PRIMARY SEA-WATER LEVEL DATA (HEIGHT, ALTITUDINAL RANGE AND COASTAL POSITION CHANGES) WILL BE COMMUNICATED TO THE OTHER RELEVANT PARTICIPANTS IN THE PROJECT, FOR STATISTICAL ANALYSIS AND APPRAISAL IN THE WIDER EUROPEAN SETTING. AREA-SITE SPECIFIC INTERPRETATION OF DATA (LOCAL PALAEOENVIRONMENTAL AND SEA-LEVEL RECONSTRUCTIONS, INFERENCES FOR GEOPHYSICAL/CRUSTAL CHANGES) WILL BE UNDERTAKEN USING GRAPHICAL AND MULTIVARIATE STATISTICAL TECHNIQUES. WHERE SUFFICIENT INFORMATION EXISTS, GRAPHICAL PLOTS WILL BE MADE TO SHOW THE "TENDENCIES"-PATTERN OF SEA-LEVEL CHANGES.

Tema(s)

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Convocatoria de propuestas

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Régimen de financiación

CSC - Cost-sharing contracts

Coordinador

UNIVERSITY COLLEGE CORK
Aportación de la UE
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Dirección
College Road
CORK
Irlanda

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Participantes (6)