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Jérôme OLLIER

Via @damanaki - Seychelles' Conservation Commitment Comes to Life - @nature_org - 0 views

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    Seychelles has announced two new Marine Protected Areas covering 210,000 square kilometers of biodiverse ocean waters.
Jérôme OLLIER

Assessment of thermocline depth bias in the Seychelles-Chagos Thermocline Ridge of the Southwestern Indian Ocean simulated by the CMIP6 models - @FrontMarineSci - 0 views

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    The Seychelles-Chagos Thermocline Ridge (SCTR, 5°S-10°S, 50°E-80°E) is a unique open-ocean upwelling region in the southwestern Indian Ocean. Due to the negative wind stress curl between the equatorial westerlies and southeasterly trade winds, SCTR is known as a strong upwelling region with high biological productivity, providing a primary fishing zone for the surrounding countries. Given its importance in shaping the variability of the Indian Ocean climate by understanding the sea-air interaction and its dynamics, the simulation of SCTR is evaluated using outputs from the Coupled Model Intercomparison Project Phase Sixth (CMIP6). Compared to observations, 23 out of 27 CMIP6 models tend to simulate considerably deeper SCTR thermocline depth (defined as the 20°C isotherm depth (D20))- a common bias in climate models. The deep bias is related to the easterly wind bias in the equatorial to southern Indian Ocean, which is prominent in boreal summer and fall. This easterly wind bias produces a weak annual mean Ekman pumping, especially in the boreal fall. Throughout the year, the observed Ekman pumping is positive and is driven by two components: the curl term, is associated with the wind stress curl, leads to upwelling during boreal summer to fall; the beta term, is linked to planetary beta and zonal wind stress, contributes to downwelling during boreal spring to fall. However, the easterly wind bias in the CMIP6 increases both the positive curl and negative beta terms. The beta term bias offsets the curl term bias and reduces the upwelling velocity. Furthermore, the easterly wind bias is likely caused by the reduced east-west sea surface temperature (SST) difference associated with a pronounced warm bias in the western equatorial Indian Ocean, accompanied by the east-west mean sea level pressure gradient over the Indian Ocean. Furthermore, this study finds local wind-induced Ekman pumping to be a more dominant factor in thermocline depth bias than Rossby waves,
Jérôme OLLIER

Via @IAMSPOnline - NATO ends anti-piracy operation; Seychelles to continue to monitor sea threats - HELLENICSHIP - 0 views

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    NATO ends anti-piracy operation; Seychelles to continue to monitor sea threats.
Jérôme OLLIER

Seychelles Welcomes Arrest of "Pirate Kingpin" Mohamed Abdi HASSAN in Belgium - OceanusLive.org - 0 views

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    Seychelles Welcomes Arrest of "Pirate Kingpin" Mohamed Abdi HASSAN in Belgium.
Jérôme OLLIER

Via @WhySharksMatter - Seychelles' shark exports under the spotlight as study on hammerhead shark fishing is launched - @SeyNewsAgency - 0 views

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    Seychelles' shark exports under the spotlight as study on hammerhead shark fishing is launched.
Jérôme OLLIER

La Digue Island Is Heaven On Earth... Or At Least Heaven In The Seychelles - @HuffingtonPost - 0 views

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    La Digue Island Is Heaven On Earth... Or At Least Heaven In The Seychelles.
Jérôme OLLIER

On a tropical island, fossils reveal the past - and possible future - of polar ice - @UF - 0 views

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    The balmy islands of Seychelles couldn't feel farther from Antarctica, but their fossil corals could reveal much about the fate of polar ice sheets.
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    The balmy islands of Seychelles couldn't feel farther from Antarctica, but their fossil corals could reveal much about the fate of polar ice sheets.
Jérôme OLLIER

India In Pacts To Develop Infrastructure In Mauritius, Seychelles - @MarineInsight - 0 views

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    Indian Prime Minister Narendra MODI has secured agreements to develop islands in Mauritius and Seychelles in an early success for his drive to wrest back influence in the Indian Ocean from China.
Jérôme OLLIER

Via @ian_urbina - Seychelles hosting 80 scientists as part of Indian Ocean Tuna Commission meeting - @SeyNewsAgency - 0 views

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    Seychelles hosting 80 scientists as part of Indian Ocean Tuna Commission meeting.
Jérôme OLLIER

Seychelles' yellowfin tuna shortage caused by 'incorrect behavior' of industrial vessels - @undercur - 0 views

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    Seychelles' yellowfin tuna shortage caused by 'incorrect behavior' of industrial vessels.
Jérôme OLLIER

Off the Seychelles, a dive into a never-seen landscape - @AP - 0 views

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    Off the Seychelles, a dive into a never-seen landscape.
Jérôme OLLIER

Science vessel for ocean mission arrives in Seychelles - @AP via @physorg_com - 0 views

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    Science vessel for ocean mission arrives in Seychelles.
Jérôme OLLIER

Seychelles science mission chases a wayward drone, in vain - @AFP via @physorg_com - 0 views

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    Seychelles science mission chases a wayward drone, in vain.
Jérôme OLLIER

Why an Indian ocean deep sea mission will help the Maldives and Seychelles manage their oceans - @ConversationUK - 0 views

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    Why an Indian ocean deep sea mission will help the Maldives and Seychelles manage their oceans.
Jérôme OLLIER

Via @WhySharksMatter - Oceans justice: Trade-offs between Sustainable Development Goals in the Seychelles - @sciencedirect - 0 views

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    * Trade-offs between SDGs can undermine the international framework for sustainable development. * The role of justice mechanisms in the promotion of social equity from ocean use is detailed. * The lens of procedural justice helps understand how trade-offs between SDGs are made and by whom. * The lens of distributive justice highlights how trade-offs decisions impact upon different social groups. * The Blue Economy and MSP impact negatively upon artisanal fishers in the Seychelles bringing trade-offs between SDGs. * Achieving SDGs and its social equity outcomes requires
Jérôme OLLIER

World's longest green turtle migration recorded by satellite tracking - Swansea University - 0 views

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    Researchers at Swansea University, working with colleagues in Australia and the Seychelles, have announced the longest recorded migration for the green sea turtle, an endangered species. One of eight turtles which were tracked by satellite was found to have travelled 3979 km, from the Chagos Islands in the Indian Ocean, to the coast of Somalia in east Africa.
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