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Article Reference Mapping total suspended matter from geostationary satellites: a feasibility study with SEVIRI in the Southern North Sea
Geostationary ocean colour sensors have not yet been launched into space, but are under consideration by a number of space agencies. This study provides a proof of concept for mapping of Total Suspended Matter (TSM) in turbid coastal waters from geostationary platforms with the existing SEVIRI (Spinning Enhanced Visible and InfraRed Imager) meteorological sensor on the METEOSAT Second Generation platform. Data are available in near real time every 15 minutes. SEVIRI lacks sufficient bands for chlorophyll remote sensing but its spectral resolution is sufficient for quantification of Total Suspended Matter (TSM) in turbid waters, using a single broad red band, combined with a suitable near infrared band. A test data set for mapping of TSM in the Southern North Sea was obtained covering 35 consecutive days from June 28 until July 31 2006. Atmospheric correction of SEVIRI images includes corrections for Rayleigh and aerosol scattering, absorption by atmospheric gases and atmospheric transmittances. The aerosol correction uses assumptions on the ratio of marine reflectances and aerosol reflectances in the red and near-infrared bands. A single band TSM retrieval algorithm, calibrated by non-linear regression of seaborne measurements of TSM and marine reflectance was applied. The effect of the above assumptions on the uncertainty of the marine reflectance and TSM products was analysed. Results show that (1) mapping of TSM in the Southern North Sea is feasible with SEVIRI for turbid waters, though with considerable uncertainties in clearer waters, (2) TSM maps are well correlated with TSM maps obtained from MODIS AQUA and (3) during cloud-free days, high frequency dynamics of TSM are detected. (C) 2009 Optical Society of America
Located in Library / RBINS Staff Publications
Article Reference Marine biological valuation of the shallow Belgian coastal zone: A space-use conflict example within the context of marine spatial planning.
Located in Library / RBINS Staff Publications
Article Reference Marine Middle Eocene fish otoliths from India and Java
Located in Library / RBINS Staff Publications
Article Reference Maritime ecosystem-based management in practice: Lessons learned from the application of a generic spatial planning framework in Europe
Located in Library / RBINS Staff Publications 2017
Article Reference Mary Anning’s legacy to French vertebrate palaeontology
The real nature of marine reptile fossils found in England between the 1700s and the beginning of the 1900s remained enigmatic until Mary Anning’s incredible fossil discoveries and their subsequent study by eminent English and French scientists. In 1820, Georges Cuvier acquired several ichthyosaur specimens found by Mary Anning, now kept or displayed in the Palaeontology Gallery of the Muséum National d’Histoire Naturelle (MNHN) in Paris. Four years later, Cuvier obtained a plesiosaur specimen from Mary Anning, only the second ever discovered. Cuvier was fascinated by these fossils and their study allowed him to apply his comparative anatomical method and to support his catastrophist theory. We have re-examined these important specimens from a historical point of view, and describe them here taxonomically for the first time since Cuvier’s works. The Paris specimens belong to two different ichthyosaur genera (Ichthyosaurus and Leptonectes) and one plesiosaur genus (Plesiosaurus).
Located in Library / RBINS Staff Publications
Article Reference Massive rugose corals from the Middle Devonian of the North Eifel Hills (Rheinisches Schiefergebirge, West Germany)
Located in Library / RBINS Staff Publications 2016
Article Reference Mastication and enamel microstructure in Cambaytherium, a perissodactyl‑like ungulate from the early Eocene of India
The dentition of Cambaytherium was investigated in terms of dental wear, tooth replacement and enamel microstructure. The postcanine tooth row shows a significant wear gradient, with flattened premolars and anterior molars at a time when the last molars are only little worn. This wear gradient, which is more intensive in Cambaytherium thewissi than in Cambaytherium gracilis, and the resulting flattened occlusal surfaces, may indicate a preference for a durophagous diet. The tooth replacement (known only in C. thewissi) shows an early eruption of the permanent premolars. They are in function before the third molars are fully erupted. During the dominant phase I of the chewing cycle the jaw movement is very steep, almost orthal, with a slight mesiolingual direction and changes into a horizontal movement during phase II. The enamel microstructure shows Hunter-Schreger-bands (HSB) in the inner zone of the enamel. In some teeth the transverse orientation of the HSB is modified into a zig-zag pattern, possibly an additional indicator of a durophagous diet.
Located in Library / RBINS Staff Publications 2018
Article Reference Mate recognition as a reproductive barrier in sexual and parthenogenetic Eucypris virens Crustacea, Ostracoda)
Located in Library / RBINS Staff Publications
Article Reference Mate recognition as a reproductive barrier in sexual and parthenogenetic Eucypris virens (Crustacea, Ostracoda)
Located in Library / RBINS Staff Publications
Inbook Reference Measuring Performances, Skill and Accuracy in Operational Oceanography: New Challenges and Approaches
Located in Library / RBINS Staff Publications 2018