MODIFICATION OF AN INDEX OF BIOTIC INTEGRITY BASED ON FISH ASSEMBLAGES TO CHARACTERIZE RIVERS OF THE SEINE BASIN, FRANCE
Modification of an index of biotic integrity based on fish assemblages to characterize rivers of the seine basin, France Introduction Methods – Study area – Sampling procedure – Calculation of catchment area and statistical analyses – Modifying the IBI for the Seine basin – Species assignments – Calculation of IBI metrics – Testing contribution of […]
BIOGEOCHEMISTRY OF ESTUARINE SEDIMENTS – BIOGEOCHEMICAL PROPERTIES OF AN ESTUARINE SYSTEM/ THE RIVER SCHELDT
(dossier articles) Biogeochemistry of estuarine sediments – Biogeochemical of an estuarine system Introduction Mechanisms of mud deposition and the accumulation of pollutants in sediments The evolution of organic matter and nutrients The longitudinal profile of heavy metal concentrations References
ENVASEMENT DU CHENAL D’ACCES D’UNE ECLUSE SITUEE SUR UN FLEUVE A MAREE
(dossier articles) Envasement du chenal d’accès d’une écluse située sur un fleuve à marée Introduction Techniques de mesure : forages Mesures de l’envasement Le coin salé : variations de la salinité dans l’Escaut Influence du coin salé sur l’envasement Conclusions
NATURAL RADIONUCLIDES AS TRACERS OF THE DISPERSAL OF DREDGE SPOIL DUMPED AT SEA
(dossier articles) Natural radionuclides as tracers of the dispersal of dredge spoil dumped at sea 1. Introduction 2. Objectives 3. Methods 3.1. Survey 3.2. Laboratory work 3.3. MEDUSA data processing 3.4. Mass balance 4. Results and discussion 4.1. Radionuclide distributions 4.2. Radiometric sediment characterisation 4.3. Mud distribution 4.4. Mass-balance equation 5. Conclusions and outlook Acknowledgements […]
RADIOMETRIC SAND-MUD CHARACTERISATION IN THE RHINE-MEUSE ESTUARY
(dossier articles) Radiometric sand-mud characterisation in the Rhine-Meuse estuary – Part A : fingerprinting Part A – Fingerprinting 1. Introduction 2. Geographical setting 3. Fingerprinting 3.1. Sampling strategy 3.2. Treatment of samples 3.3. Analytical techniques 3.4. Assessment of fingerprints 4. Radiometric characterisation of the Rhine-Meuse sediments 5. Summary and conclusions Acknowledgements References Part B – […]
AN ANALYSIS OF THE TROPHIC NETWORK OF A MACROTIDAL ESTUARY: THE SEINE ESTUARY (EASTERN CHANNEL, NORMANDY, FRANCE)
(dossier articles) An analysis of the trophic network of a macrotidal estuary: the Seine estuary (eastern channel, Normandy, France) 1. Introduction 2. Study area 3. Material and methods 3.1. Description of network analysis and ecopath methods 3.2. Trophic compartments 4. Results 5. Discussion 5.1. Trophic groups and detritus compartment 5.2. Origin of energy flows 5.3. […]
SPECTRAL SIGNATURE OF HIGHLY TURBID WATERS – APPLICATION WITH SPOT DATA TO QUANTIFY SUSPENDED PARTICULATE MATTER CONCENTRATIONS
(dossier articles) Spectral signature of highly tubid waters – Application with SPOT data to quantifiy suspended particulate matter concentrations 1. Introduction 2. The study area 3. Measurements 3.1. In situ measurements 3.2. Satellite data and atmospheric corrections 4. Spectral reflectance model 4.1. Theory 4.2. Reflectance model 5. Results 5.1. Spectral signature of highly turbid waters […]
BATHYMETRIC MAPPING BY SPOT IMAGES TO QUANTIFY SAND MOVEMENTS IN THE TIDAL INLET OF ARCACHON (FRANCE)
(dossier articles) Bathymetric mapping by SPOT images to quantifiy sand movements in the tidal inlet of Arcachon (France) 1. Introduction 2. Method 2.1. Bathymetry 2.2. Sediment movements 3. Results 3.1. Variation of the amount of light with depth 3.2. Calibration 3.3. Sand movements
METHODE D’ANALYSE DE L’EVOLUTION MORPHODYNAMIQUE D’UNE EMBOUCHURE TIDALE PAR IMAGERIE SATELLITE – EXEMPLE DU BASSIN D’ARCACHON (FRANCE)
(dossier articles) Méthode d’analyse de l’évolution morphodynamique d’une embouchure tidale par imagerie satellite – Exemple du bassin d’Arcachon (France) 1. Introduction 2. Méthode and résultats 2.1. Méthode de traitement des images SPOT 2.2. Mise au point de la méthode de calibration 2.3. Résultats : calibration des images 3. Application : évolution morphodynamique de l’embouchure du […]
SPECTRAL REMOTE SENSING REFLECTANCES OF COASTAL WATERS IN FRENCH GUIANA UNDER THE AMAZON INFLUENCE
(dossier articles) Spectral remote sensing reflectances of coastal waters in French Guiana under the Amazon influence 1. Introduction 2. Situation of the area 3. Measurements 3.1. Hydrology 3.2. Optics 4. Results 4.1. Main water masses 4.2. Water colours 5. Discussion and conclusion References