INFLUENCE OF LANDSCAPE AND HYDROLOGICAL FACTORS ON STREAM-AIR TEMPERATURE RELATIONSHIPS AT REGIONAL SCALE
Influence of landscape and hydrological factors on stream-air temperature relationships at regional scale Article paru en mai 2020 dans la revue Hydrological Processes Etude basée sur le bassin de la Loire 1. Introduction 2. Material and methods 3. Results 4. Discussion 5. Conclusion
EVOLUTION OF BENTHODEMERSAL FISH COMMUNITIES IN A CHANGING EUROPEAN ESTUARY AT FINE AND BROAD TEMPORAL SCALES
Evolution of benthodemersal fish communities in a changing european estuary at fine and broad temporal scales Article paru dans la revue Estuarine, Coastal and Shelf Science N°301 (2024) 1. Introduction 2. Materials and methods – The case of the loire estuary – Environmental parameters – Benthodemersal fish 3. Results – Long-term trends in abiotic parameters […]
DYNAMIQUE LITTORALE ET PROTECTION DES COTES ENTRE LES POINTES DE MINDIN ET DE SAINT-GILDAS (LOIRE-ATLANTIQUE°
Dynamique littorale et protection des côtes entre les pointes de Mindin et de Saint-Gildas (Loire-Atlantique) 1. Des paysages littoraux contrastés -Les cordons littoraux : des secteurs sensibles – Les secteurs de côtes rocheuses 2. Aménagement et protection des cotes – Mindin et Saint-Bnévin-les-Pins : un littoral artificialisé – Le Pointeau : un exemple de rechargement […]
VARIABILITY OF SUSPENDED SEDIMENT YIELDS WITHIN THE LOIRE RIVER BASIN
Variability of suspended sediment yields within the Loire river basin Auteurs : A. Gay, O. Cerdan, M. Delmas, M. Desmet Article paru dans Journal of hydrology en septembre 2014 – Introduction – Material and methods – Results and discussion – Conclusion
MICROPHYTOBENTHOS INTERANNUAL VARIATIONS IN A NORTH-EUROPEAN ESTUARY (LOIRE ESTUARY, FRANCE° DETECTED BY VISIBLE-INFRARED MULTISPECTRAL REMOTE SENSING
Microphytobenthos interannual variations in a north-European estuary (Loire estuary, France) detected by visible-infrared multispectral remote sensing 1. Introduction 2. Materials and methods 2.1. Study site 2.2. Satellite imagery and atmospheric correction 2.3. Field spectroradiometry 2.4. Microphytobenthos diversity 2.5. Environnmental parameters 2.6. Statistical analysis 3. Results 3.1. Microphytobenthos identification 3.2. Microphytobenthos distribution 3.3. Microphytobenthos variation 4. […]
IMPACT OF AN EXCEPTIONAL WINTER FLOOD ON BENTHIC OXYGEN AND NUTRIENT FLUXES IN A TEMPERATE MACROTIDAL ESTUARY: POTENTIAL CONSQUENCES ON SUMMER DEOXYGENATION
Impact of an exceptional winter flood on benthic oxygen and nutrient fluxes in a temperate macrotidal estuary: potential consequences on summer deoxygenation 1. Introduction 2. Méthods 2.1. Study area and hydrological context 2.2. Water and sediment sampling, processing, and analysis 2.3. Water-sediment fluxes 2.4. Mass balance and sediment contribution to hypoxia 3. Results 3.1. Water […]
TRAJECTORIES OF NUTRIENTS CONCENTRATIONS AND RATIOS IN THE FRENCH COASTAL ECOSYSTEMS: 20 YEARS OF CHANGES IN RELATION WITH LARGE-SCALE AND LOCAL DRIVERS
Trajectories of nutrients concentrations and ratios in the French coastal ecosystems: 20 years of changes in relation with largce-scale and local drivers 1. Introduction 2. Material and methods 2.1. Ecosystems 2.2. Stations and data 2.3. Statistical analyses 3. Results 3.1. Overall characteristics of the ecosystems based on nutrient concentrations and ratios 3.2. Ecosystem trajectories and […]
DYNAMIQUE DE TRANSFERT DES MACROPLASTIQUES EN ESTUAIRE DE LOIRE : TRAJECTOIRES ET FACTEURS D’INFLUENCE
Dynamique de transfert des macroplastiques en estuaire de Loire : trajectoires et facteurs d’influence Introduction 1. Matériels et méthodes 1.1. L’estuaire de Loire 1.2. Acquisition des trajectoires 1.3. Traitement des données 2. Résultats et discussion 2.1. Des dynamiques de transfert chaotiques dans les estuaires 2.2. Une influence globale de la flottabilité 2.3. Une influence de […]
ASSESSMENT OF MICROPLASTIC CONTAMINATION IN THE LOIRE RIVER (FRANCE) THROUGHOUT ANALYSIS OF DIFFERENT BIOTIC AND ABIOTIC FRESHWATER MATRICES
Assessment of microplastic contamination in the Loire river (France) throughout analysis of different biotic and abiotic freshwater matrices Introduction Materials and method – Study sites – Sampling of organisms (biotic matrices) – Sampling of sediment and water (abiotic matrices) – Characterisation of MP by microscopy – Characterisation of MP by µ-FTIR analysis – Contamination control […]
UNCERTAINTIES ASSOCIATED WITH IN SITU HIGH-FREQUENCY LONG-TERM OBSERVATIONS OF SUSPENDED PARTICULATE MATTER CONCENTRATION USING OPTICAL AND ACOUSTIC SENSORS
Uncertainties associated with in situ high-frequency long-term observations of suspended particulate matter concentration using optical and acoustic sensors 1. Introduction 2. Methods for long-term in situ SPMC measurements 2.1. Terminology 2.2. Sensors used too obtain long-term SPMC time series 2.3. Existing international guidelines and standards 3. Sources of uncertainties 3.1. Sensor 3.2. Environnemental related uncertainties […]