Publications scientifiques

Cette page liste les productions scientifiques ou autres liées notamment à l'observation du niveau de la mer, à l'instrumentation ou aux applications.

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Lagoon islets as indicators of recent environmental changes in the South Pacific - the New Caledonian example

The question of the impacts of climate change and sea level rise on small islands is currently much discussed. The many thousands of Pacific islands in their different contexts (geodynamic, climatic, etc.) and the insufficient data available explain why it is difficult to clearly discern the specific role of climate change in the recent evolution of these islands. To address this question, we investigated the recent changes affecting 21 islets in New Caledonia's lagoon.
  • Article scientifique

M. Garcin, M. Vendé-Leclerc, P. Maurizot, G. Le Cozannet, B. Robineau, A. Nicolae-Lerma
Continental Shelf Research, volume 122
Left: annual sea level (1968–2012) from regional tide gauges. Right: detailed view of the 2002–2012 period with accelerated sea level rise. Dashed black lines show linear trends. (data from SHOM, National Tidal Centre, www. Sonel.org, www.psmsl.org).

Temporal fluctuations in the trophic role of large benthic sulfur bacteria in mangrove sediment

Filamentous sulfur bacteria of the genus Beggiatoa form large mats covering the sediment in the shallow waters of a Guadeloupean mangrove (French West Indies). The abundance of these bacteria varies over the year and their trophic role may, therefore, also vary. We investigated this variation by conducting a survey examining the stable isotopic compositions of four grazers and four food sources during nine sampling sessions in three different periods of the year.
  • Article scientifique

P.-Y. Pascal, O. Gros, H. T. S. Bischker
Food Webs, volume 7
A: location of Guadeloupe archipelago in the Caribbean Sea, B: location of Manche-à-Eau lagoon in Guadeloupe, C: location of sampling area, D: location of sampling stations (a, b, c).

Spécifications générales d’une station de surveillance marégraphique

Une station marégraphique ou station de surveillance du niveau de la mer doit permettre de suivre, en continu et sur une échelle de temps de plusieurs années, les variations du niveau de la mer, à différentes fréquences.
  • Recommandation

V. Donato
Shom
Spécifications générales d’une station de surveillance marégraphique

Hail observations and hailstorm characteristics in Europe: a review

Severe thunderstorms associated with large hail are among the most important perils in several European regions. Due to the local-scale extent of hail-affected areas and a lack of appropriate observing systems in most regions, hailstorms are not captured accurately and comprehensively, which makes statistical analysis of their frequency or climatology more difficult. Various studies have been conducted so far to describe and analyze the frequency of hailstorms or related impacts.
  • Article scientifique

H.J. Punge, M. Kunz
Atmospheric Research, volumes 176-177
Atmospheric Research

Coastal planning should be based on proven sea level data

There are two related measures of sea level, the absolute sea level, which is the increase in the sea level in an absolute reference frame, and relative sea level, which is the increase in sea level recorded by tide gauges. The first measure is a rather abstract computation, far from being reliable, and is preferred by activists and politicians for no scientific reason. For local and global problems it is better to use local tide gauge data. Proper coastal management should be based on proved measurements of sea level.
  • Article scientifique

A. Parker, C. D. Ollier
Ocean & Coastal Management, volume 124
Graphical abstract

Hyper-resolution mapping of regional storm surge and tide flooding: comparison of static and dynamic models

Storm tide (combination of storm surge and the astronomical tide) flooding is a natural hazard with significant global social and economic consequences. For this reason, government agencies and stakeholders need storm tide flood maps to determine population and infrastructure at risk to present and future levels of inundation. Computer models of varying complexity are able to produce regional-scale storm tide flood maps and current model types are either static or dynamic in their implementation.
  • Article scientifique

J. A. Ramirez, M. Lichter, T. J. Coulthard, C. Skinner
Natural Hazards
Observed storm tide water levels at tide station a La Pallice, France, for wind storm Xynthia, b Battery Park, USA for hurricane Sandy, and c simulated water levels for south Myanmar during cyclone Nargis

The key role of vertical land motions in coastal sea level variations: A global synthesis of multisatellite altimetry, tide gauge data and GPS measurements

This study aims to quantify the vertical motions driving the decadal coastline mobility and their uncertainty at global scale. Multisatellite altimetry is combined with tide gauges and Global Positioning System (GPS) observations to evaluate the marine and crustal components of relative sea level variations. Vertical land motions and sea level variations are estimated simultaneously over the past 20 years for a network of 886 ground stations, with accuracies better than 1.7 mm/yr.
  • Article scientifique

J. Pfeffer, P. Allemand
Earth and Planetary Science Letters, volume 439
Graphical abstract

Estimation of insurance-related losses resulting from coastal flooding in France

A model has been developed in order to estimate insurance-related losses caused by coastal flooding in France. The deterministic part of the model aims at identifying the potentially flood-impacted sectors and the subsequent insured losses a few days after the occurrence of a storm surge event on any part of the French coast. This deterministic component is a combination of three models: a hazard model, a vulnerability model, and a damage model.
  • Article scientifique

J. P. Naulin, D. Moncoulon, S. Le Roy, R. Pedreros, D. Idier, C. Oliveros
NHESS, volume 16
 Comparison between the observed tides and the water levels estimated by the PREVIMER for the Xynthia event at two gauge stations after maximal water levels adjustment

Formation and structure of the turbidity maximum in the macrotidal Charente estuary (France): Influence of fluvial and tidal forcing

Understanding estuarine sediment dynamics and particularly turbidity maximum dynamics is crucial for the management of these coastal systems. Various processes impact the formation, movement and structure of the turbidity maximum. Several studies have shown that tidal asymmetry and density gradients are responsible for the presence of this suspended sedimentary mass.
  • Article scientifique

F. Toublanc, I. Brenon, T. Coulombier
Estuarine, Coastal and Shelf Science, volume 169
Graphical abstract