| Records |
| Author |
Díaz A., Poulin E. & A. Mansilla |
| Title |
Efecto de las glaciaciones del cuaternario en la historia evolutiva del caracol endémico del océano austral neobuccinum eatoni |
Type |
Communication |
| Year |
2016 |
Publication |
Lix reunión anual de la sociedad de biología de chile |
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1044 |
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yes |
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6837 |
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| Author |
Poulin E., González-Wevar C.A., Díaz A., Hüne M., Gérard K. & J. Naretto |
| Title |
Biogeografía en el Océano Austral: ¿es el frente polar una barrera efectiva entre las Provincias Antárticas y Subantárticas? |
Type |
Communication |
| Year |
2016 |
Publication |
Lix reunión anual de la sociedad de biología de chile |
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1044 |
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yes |
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6838 |
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| Author |
Park Young‐Hyang, Durand Isabelle, Kestenare Elodie, Rougier Gilles, Zhou Meng, d'Ovidio Francesco, Cotté Cédric, Lee Jae‐Hak |
| Title |
Polar Front around the Kerguelen Islands: An up‐to‐date determination and associated circulation of surface/subsurface waters |
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Journal |
| Year |
2014 |
Publication |
Journal of Geophysical Research: Oceans |
Abbreviated Journal |
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| Volume |
119 |
Issue |
10 |
Pages |
6575-6592 |
| Keywords |
Kerguelen Polar Front Southern Ocean |
| Abstract |
Abstract The circulation of iron?rich shelf waters around the Kerguelen Islands plays a crucial role for a climatically important, annually recurrent phytoplankton spring bloom over the sluggish shelf region and its downstream plume area along the Antarctic circumpolar flow. However, there is a long?standing confusion about the Polar Front (PF) in the Kerguelen region due to diverse suggestions in the literature for its geographical location with an extreme difference over 10° of latitude. Based on abundant historical hydrographic data, the in situ hydrographic and current measurements during the 2011 KEOPS2 cruise, satellite chlorophyll images, and altimetry?derived surface velocity fields, we determine and validate an up?to?date location of the PF around the Kerguelen Islands. Artificial Lagrangian particle trajectories computed from altimetric velocity time series are analyzed for the possible pathways and sources of different surface/subsurface waters advected into the chlorophyll bloom area east off the islands studied during the KEOPS2 cruise. The PF location determined as the northernmost boundary of the Winter Water colder than 2°C, which is also associated with a band of strong currents, appears to be primarily controlled by topography. The PF rounds the Kerguelen Islands from the south to deflect northward along the eastern escarpment up to the northeastern corner of the Kerguelen Plateau before making its southward retroflection. It is shown that the major surface/subsurface waters found within the deep basin east of the Kerguelen Islands originate from the shelf around the Heard Island, rather than from the shallow shelf north of the Kerguelen Islands. |
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688 |
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2169-9275 |
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2169-9275 |
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yes |
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6839 |
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| Author |
Christopher S. Watson, Neil J. White, John A. Church, Matt A. King, Reed J. Burgette, Benoit Legresy |
| Title |
Unabated global mean sea-level rise over the satellite altimeter era |
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Journal |
| Year |
2015 |
Publication |
Nature Climate Change |
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| Volume |
5 |
Issue |
6 |
Pages |
565-568 |
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| Abstract |
The rate of global mean sea-level (GMSL) rise has been suggested to be lower for the past decade compared with the preceding decade as a result of natural variability1, with an average rate of rise since 1993 of +3.2 ± 0.4 mm yr−1 (refs 2, 3). However, satellite-based GMSL estimates do not include an allowance for potential instrumental drifts (bias drift4,5). Here, we report improved bias drift estimates for individual altimeter missions from a refined estimation approach that incorporates new Global Positioning System (GPS) estimates of vertical land movement (VLM). In contrast to previous results (for example, refs 6, 7), we identify significant non-zero systematic drifts that are satellite-specific, most notably affecting the first 6 years of the GMSL record. Applying the bias drift corrections has two implications. First, the GMSL rate (1993 to mid-2014) is systematically reduced to between +2.6 ± 0.4 mm yr−1 and +2.9 ± 0.4 mm yr−1, depending on the choice of VLM applied. These rates are in closer agreement with the rate derived from the sum of the observed contributions2, GMSL estimated from a comprehensive network of tide gauges with GPS-based VLM applied (updated from ref. 8) and reprocessed ERS-2/Envisat altimetry9. Second, in contrast to the previously reported slowing in the rate during the past two decades1, our corrected GMSL data set indicates an acceleration in sea-level rise (independent of the VLM used), which is of opposite sign to previous estimates and comparable to the accelerated loss of ice from Greenland and to recent projections2,10, and larger than the twentieth-century acceleration2,8,10. |
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688 |
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1758-6798 |
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1758-6798 |
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yes |
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6842 |
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| Author |
Féral J-P, Saucède T & Améziane N |
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Un observatoire sous-marin des effets du changement global sur les communautés benthiques côtières de l’Archipel des Kerguelen. PROTEKER phase 1, l’installation |
Type |
Report |
| Year |
2016 |
Publication |
Rapport d’activité 2015 de l’ipev |
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1044 |
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yes |
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6845 |
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Koubbi P, Guinet C, Alloncle N, Ameziane N, Azam CS, Baudena A, Bost CA, Causse R, Chazeau C, Coste G, Cotté C, D'Ovidio F, Delord K, Duhamel G, Forget A, Gasco N, Hautecœur M, Lehodey P, Lo Monaco C, Marteau C, Martin A, Mignard C, Pruvost P, Saucède T, Sinegre R, Thellier T, Verdier AG, Weimerskirch H |
| Title |
Ecoregionalisation of the Kerguelen and Crozet islands oceanic zone. Part I: Introduction and Kerguelen oceanic zone |
Type |
Report |
| Year |
2016 |
Publication |
Ccamlr report wg-emm- 16/43. 18 june 2016 |
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1044 |
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yes |
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6846 |
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| Author |
Saucède T & Marty G |
| Title |
Un observatoire des écosystèmes marins côtiers des Iles Kerguelen (Proteker) |
Type |
Report |
| Year |
2016 |
Publication |
Bilan d’activités 2015 de la réserve naturelle nationale des terres australes françaises |
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1044 |
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yes |
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6847 |
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| Author |
L. Testut, A.s. Unnikrishnan |
| Title |
Improving Modeling of Tides on the Continental Shelf off the West Coast of India |
Type |
Journal |
| Year |
2015 |
Publication |
Journal of Coastal Research |
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Pages |
105-115 |
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Testut, L. and Unnikrishnan, A.S., 2016. Improving modeling of tides on the continental shelf off the west coast of India. Global tidal solutions are sometimes inaccurate in coastal regions. This is particularly true in some regions of the northern Indian Ocean, which are characterized by wide continental shelves and large tidal ranges. We show that these global solutions are inaccurate on the shelf region off Mumbai, off the west coast of India. In this region, the shelf is very wide, and it opens into the Gulf of Khambhat, where large tides are observed. Moreover, in regions of large semidiurnal tides in the Bay of Bengal, such as the head Bay, Gulf of Martaban, etc., global tidal solutions are not accurate. In the present work, we focus on the shelf region off the west coast of India. We used a new approach in developing a high-resolution hydrodynamic tidal model for the inner shelf region (8°N to 22°N). The open boundary of the model is aligned to the altimetry tracks, which allowed us to prescribe boundary conditions obtained directly from observations. We show that the tidal solutions at the coast are much improved compared with those obtained from the global solutions and that on the wide shelf portion and the Gulf of Khambhat the improvement has been considerable. |
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688 |
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0749-0208 |
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0749-0208 |
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yes |
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6848 |
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| Author |
Lambs Luc, Mangion Perrine, Mougin Eric, Fromard François |
| Title |
Water cycle and salinity dynamics in the mangrove forests of Europa and Juan de Nova Islands, southwest Indian Ocean |
Type |
Journal |
| Year |
2016 |
Publication |
Rapid Communications in Mass Spectrometry |
Abbreviated Journal |
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| Volume |
30 |
Issue |
2 |
Pages |
311-320 |
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Rationale The functioning of mangrove forests found on small coralline islands is characterized by limited freshwater inputs. Here, we present data on the water cycling of such systems located on Europa and Juan de Nova Islands, Mozambique Channel. Methods In order to better understand the water cycle and mangrove growth conditions, we have analysed the hydrological and salinity dynamics of the systems by gauge pressure and isotopic tracing (δ18O and δ2H values). Results Both islands have important seawater intrusion as measured by the water level change and the high salinities in the karstic ponds. Europa Island displays higher salinity stress, with its inner lagoon, but presents a pluri?specific mangrove species formation ranging from shrub to forest stands. No freshwater signal could be detected around the mangrove trees. On Juan de Nova Island, the presence of sand and detrital sediment allows the storage of some amount of rainfall to form a brackish groundwater. The mangrove surface area is very limited with only small mono?specific stands being present in karstic depression. Conclusions On the drier Europa Island, the salinity of all the water points is equal to or higher than that of the seawater, and on Juan de Nova the groundwater salinity is lower (5 to 20 PSU). This preliminary study shows that the karstic pothole mangroves exist due to the sea connection through the fractured coral and the high tidal dynamics. Copyright ? 2015 John Wiley & Sons, Ltd. |
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688 |
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0951-4198 |
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0951-4198 |
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yes |
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6849 |
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| Author |
Boulinier, T. |
| Title |
Infectious diseases as a threat to albatrosses and petrels: from basic immuno-ecology to perspectives for conservation. |
Type |
Communication |
| Year |
2016 |
Publication |
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Oral communication at Labex CEMEB Workshop on the Ecology of Host-Microorganisms Interactions, Montpellier, November 2016 |
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1151 |
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yes |
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6850 |
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