AVISO Climate Change News

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2 - 8 July week

Thu, 2018-07-12 08:02
Baltic Sea oxygen levels at '1,500-year low due to human activity' (The Guardian, 05/07/2018) Red-hot planet: All-time heat records have been set all over the world during the past week (The Washington Post, 05/07/2018) Démarrage officiel de l’Observatoire spatial du climat (Air&Cosmos, 05/07/2018) Great Barrier Reef Imperiled as Heat Worsens Die-Offs, Experts Say (The New York Times, 04/07/2018) Les cyclones tropicaux sont plus lents, et donc potentiellement plus destructeurs (Pour la Science, 04/07/2018) Rising sea levels could cost the world $14 trillion a year by 2100 (Science Daily, 03/07/2018) Gulf stream eddies as a source of iron (Science Daily, 03/07/2018) Le dérèglement du Jet Stream multiplie les canicules dans le monde (Up' magazine, 02/07/2018) On line availability of articles depends on the Newspaper/magazine. We can't thus certify that above articles will be freely and permanently available.
Categories: Climate Science News

July 2018: Adopting a Swot crossover for biophysical studies

Fri, 2018-07-06 03:13
Swot will be a major asset to study the socean fine scales, especially relevant for marine biology....
Categories: Climate Science News

25 June - 1 July 2018 week

Tue, 2018-07-03 01:41
Comment les satellites Jason ont révolutionné notre connaissance du climat (Futura Sciences, 30/06/2018) Politique américaine des océans : exit le climat (Science Presse, 29/06/2018) The Sounds of Satellites (Earth Observatory, 28/06/2018) Global surface area of rivers and streams is 45 percent higher than previously thought (Science Daily, 28/06/2018) Un œil sur l’océan (Télématin Sciences, 27/06/2018) Images satellitaires et drones, de nouveaux alliés contre le réchauffement climatique (Le Monde, 26/06/2018) L’Europe met à disposition toutes ses données climatiques. On ne pourra pas dire qu’on ne savait pas… (Up' magazine, 26/06/2018) On line availability of articles depends on the Newspaper/magazine. We can't thus certify that above articles will be freely and permanently available.
Categories: Climate Science News

New SSALTO/DUACS Experimental products delivery

Fri, 2018-06-29 06:02
We are proud to announce the release of the new AVISO+ SSALTO/DUACS experimental products. For 20...
Categories: Climate Science News

11 June -24 June 2018 weeks

Mon, 2018-06-25 03:27
Losing Ice in Svalbard (Earth Observatory, 25/06/2018) Goélette scientifique Tara, journal de bord n° 2 : les défis d’une navigation scientifique « propre » (Le Monde, 24/06/2018) Marine plastic: Hundreds of fragments in dead seabirds (BBC news, 23/06/2018) 10 raisons pour lesquelles le changement climatique nous passe au-dessus de la tête (Slate, 22/06/2018) Plastic Odyssey, ce bateau avance grâce aux déchets plastiques (Science Post, 22/06/2018) Une nouvelle étude révèle que les îles Britanniques étaient recouvertes d’une calotte glaciaire il y a 2,5 millions d’années (Science Post, 22/06/2018) Here are 4 ways we can adapt to the growing danger of climate change (World Economic Forum, 21/06/2018) Antarctic ice sheet is melting, but rising bedrock below could slow it down (Science Daily, 21/06/2018) OMG, the Water's Warm! NASA Study Solves Glacier Puzzle (Nasa, 21/06/2018) What will Antarctica look like in 2070? (World Economic Forum, 19/06/2018) Sentinel-3 flies tandem (ESA, 19/06/2018) Ocean's heat cycle shows that atmospheric carbon may be headed elsewhere (Science Daily, 19/06/2018) New model for gauging ice sheet movement may improve sea-level-rise predictions (Science Daily, 19/06/2018) We now know how much ice Antarctica has lost in the last 25 years - three trillion tonnes (World Economic Forum, 14/06/2018) Climate change is moving fish around faster than laws can handle, study says (The Washington Post, 14/06/2018) Fonte des glaces : comment a-t-on pesé l’Antarctique? (Science Presse, 14/06/2018) Fonte accélérée des glaces de l'Antarctique (Le Figaro, 14/06/2018) Ocean waves following sea ice loss trigger Antarctic ice shelf collapse (Science Daily, 14/06/2018) Quand les sources hydrothermales fertilisent l’océan de surface dans le Pacifique Sud-Ouest (CNRS, 13/06/2018) Underwater Robots Give Unique Insight into Arctic Climate Change (Ocean News & Technology, 11/06/2018) On line availability of articles depends on the Newspaper/magazine. We can't thus certify that above articles will be freely and permanently available.
Categories: Climate Science News

Happy Birthday Jason-2!

Thu, 2018-06-21 01:37

On June 20th, the OSTM/Jason-2 mission (Ocean Surface Topography Mission) marks its 10th year in orbit. Jason-2 has now completed 47,000 orbital revolutions of our planet, acquiring measurements of unequalled precision from more than 300 million radar pulses.

Jason-2 has enabled numerous scientists all over the world to gain new insights into the ocean phenomena playing a key role in our planet’s changing climate. Extending the long series of measurements started in 1992 with TOPEX/Poseidon and then continued by Jason-1, it has quantified and provided evidence for the mean rise in sea level of three millimetres a year, which today is undisputable and a crucial indicator for assessing and planning for the impacts of climate change that are proving dramatic for certain coastal regions and islands.

Let’s wish a long life to Jason 2 on LRO !

Categories: Climate Science News

21 may - 10 june 2018 weeks

Thu, 2018-06-14 06:13
Widespread ocean anoxia was cause for past mass extinction (Science Daily, 21/05/2018) Des changements majeurs dans la répartition des réserves mondiales d’eau douce sont en cours (SciencePost, 21/05/2018) Researchers Hunting Microplastic with Jellyfish (Ocean News & Technology, 21/05/2018) Hawaï. Fumées acides avec la lave du Kilauea qui atteint l’océan (Le Télégramme, 22/05/2018) Le changement climatique peut-il augmenter le risque de gelées tardives ? (CNRS, 23/05/2018) The catastrophe that killed the dinosaurs created a global hothouse for 100,000 years, study says (Washington post, 24/05/2018) Un forage en Antarctique pourrait remonter plus d’1 million d’années dans le passé et résoudre un mystère paléo-climatique (SciencePost, 27/05/2018) Un océan de plastique (CNRS, 28/05/2018) Rise and fall of the Great Barrier Reef (Science Daily, 28/05/2018) Surexploitation et changement climatique : au Sénégal, la pêche est en danger (Reporterre, 29/05/2018) NOAA’s Next Generation Polar Satellite System Now Operational (Ocean News & Technology, 31/05/2018) Réchauffement climatique : avions et ballons traquent les gaz à effet de serre (La Dépêche, 01/06/2018) Our plastic problem is out of control. Here’s how we can fight it (The World Economic Forum, 05/06/2018) Nutrient pollution makes ocean acidification worse for coral reefs (Science Daily, 06/06/2018) Le réchauffement climatique accentue la force destructrice des ouragans (Métro, 08/06/2018) Here are 5 of the biggest threats to our oceans, and how we can solve them (The World Economic Forum, 08/06/2018) Journée mondiale de l’océan : Agir pour des « Océans propres » (Minute News, 08/06/2018) Aeolus: Wind satellite weathers technical storm (BBC News, 09/06/2018) On line availability of articles depends on the Newspaper/magazine. We can't thus certify that above articles will be freely and permanently available.
Categories: Climate Science News

Temporary unavailibility of AVISO+ Sea views

Tue, 2018-06-05 00:54
Due to a maintenance operation AVISO+ Sea views : http://bulletin.aviso.altimetry.fr will be unavailable today June 5th between 7h and 12h UTC.
Categories: Climate Science News

June 2018: As the flood flows

Thu, 2018-05-31 23:34
Satellite observations of floods may be used in early flood warning systems. SWOT is not planned as...
Categories: Climate Science News

14 - 20 May 2018 week

Fri, 2018-05-25 01:46
Deux satellites pour observer l'eau sur Terre (Sciences et Avenir, 18/05/2018) The Baltic Sea as a Time Machine (Ocean News & Technology, 14/05/2018) La NASA révèle l’impact du changement climatique sur les réserves mondiales d’eau douce (LCI, 18/05/2018) How large can a tsunami be in the Caribbean? (Science Daily, 16/05/2018) Pourquoi les éruptions du Kilauea à Hawaï ne refroidissent-elles pas le climat ? (Sud Ouest, 18/05/2018) Sur Europe, la lune glacée de Jupiter, il y a un océan subglacière.. et aussi des geysers ! (France Culture, 18/05/2018) Hope for Corals : growing species resilience in Coral Nurseries (NOAA, 14/05/2018) On line availability of articles depends on the Newspaper/magazine. We can't thus certify that above articles will be freely and permanently available.
Categories: Climate Science News

Jason2 IGDR during last AMR anomaly have been disseminated on 2018/05/22

Tue, 2018-05-22 07:55
2018/04/17 Jason2 IGDR during AMR anomaly (cycle 528 passes 121 to 128) have been disseminated on 2018/05/22. Note that they contain no valid radiometer data during the incident on 2018/04/17  from 01:41:24 to 07:46:08.
Categories: Climate Science News

23 April - 13 May 2018 weeks

Fri, 2018-05-18 06:40
On est allé dans la ville la plus au nord du monde et les effets du réchauffement climatique font froid dans le dos (France Info, 22/04/2018) Plastiques dans les océans : l'Ocean Cleanup va être lancé cet été (Le Vif, 23/04/2018) Comment les crevettes influencent le climat en brassant les océans (Le Monde, 24/04/2018) Taux record de microplastique dans l’océan Arctique (Le Monde, 25/04/2018) Les coraux face au réchauffement climatique (Futura Planète, 26/04/2018) Internal control helps corals resist acidification (Science Daily, 02/05/2018) GRACE-FO: Cracking a Cold Case (Nasa, 02/05/2018) Les baleines à bosse de l’Antarctique se rétablissent peu à peu de leur quasi-extinction (06/05/2018) Réchauffement climatique : un archipel norvégien menacé (LCI, 07/05/2018) Avec le réchauffement climatique, la frontière entre la Suisse et l’Italie se déplace (Vivre Demain, 08/05/2018) How to save the high seas (Nature, 09/05/2018) Growing ‘Dead Zone” in Gulf of Oman Confirmed by Underwater Robots (Ocean News, 10/05/2018) Le méthane des lacs, la bombe climatique que nous avions totalement sous-estimé (Atlantico, 13/05/2018) On line availability of articles depends on the Newspaper/magazine. We can't thus certify that above articles will be freely and permanently available.
Categories: Climate Science News

[Sentinel-3B] Already starting Calval activities on all instruments

Thu, 2018-05-17 00:56
The second Copernicus Sentinel-3 satellite, Sentinel-3B, lifted off on a Rockot from the Plesetsk Cosmodrome in northern Russia at 17:57 GMT (19:57 CEST) on 25 April 2018. It will join its twin Sentinel-3A, in orbit since 2016, for a tandem phase of four months which will start at the beginning of June. Both Sentinels will fly just 223 km apart, which means that Sentinel-3B will be a mere 30 seconds behind Sentinel-3A. After this, Sentinel-3B will be moved apart on the same orbit to a wider separation (140°). Both ESA-developed Copernicus satellites carry four Earth-observing instruments to measure oceans, land, ice and atmosphere:
  • Ocean and Land Colour Instrument (OLCI),
  • Sea and Land Surface Temperature Radiometer (SLSTR), 
  • SAR Radar Altimeter (SRAL), 
  • MicroWave Radiometer (MWR), 
and instruments fo Precise Orbit Determination (POD) including:
  • DORIS receiver (Doppler Orbitography and Radiopositioning Integrated by Satellite)
  • GNSS receiver (Global Navigation Satellite System)
  • LRR (Laser Retro Reflector)
All instruments have been progressively switched on, in particular :
DORIS on May 1st at 10:30:00 UTC
MWR (radiometer) on May 7th at  09:48:00 UTC
SRAL (altimeter) on May 8th at 06:02:05 UTC CalVal activites are already ongoing with a strong implication of CNES, CLS and Noveltis team.
Categories: Climate Science News

Temporary interruption of the Aviso+ website on May 15th

Mon, 2018-05-14 07:43
Temporary interruption of the Aviso+ website on May 15th  For maintenance reasons, the AVISO+ website will be unavailable on Tuesday 15th May for some hours from 10:00 CET.  We apologize for the inconvenience.
Categories: Climate Science News

May 2018: Eddies' birth and decay around Antarctica

Tue, 2018-05-08 01:38
25 year long time series of eddy detection is now available and enable to better understand the...
Categories: Climate Science News

16 - 22 April 2018 week

Fri, 2018-04-27 07:20
More than 12,000 marine creatures uncovered during West Java deep-sea exploration (Science Daily, 17/04/18) "Le glacier n'est plus qu'une carapace vide" : au Pérou, sur "la route du changement climatique" (France Info, 22/04/18) La Nasa lance avec succès un télescope en quête de vie dans l'espace (Presse Océan, 19/04/18) Meteorite diamonds 'came from lost planet' (BBC, 18/04/18) How gravitational waves might help fundamental cosmology (Nature International journal of Science, 11/04/18) Les océans étaient probablement très chauds il y a 760 millions d’années (Futura Planète, 19/04/18) On line availability of articles depends on the Newspaper/magazine. We can't thus certify that above articles will be freely and permanently available.
Categories: Climate Science News

September 2018 : CALL FOR ABSTRACTS for annual meeting of the Ocean Surface Topography Science Team (OSTST)

Fri, 2018-04-20 02:50
The annual meeting of the Ocean Surface Topography Science Team (OSTST), will be held in the second part of the "25 Years of Progress in Radar Altimetry" Symposium and will address specific issues on the TOPEX/Poseidon-Jason series of missions, including algorithm and model improvement, Cal/Val activities, merging with other altimetric satellites (CryoSat-2, SARAL/AltiKa, HY-2, Sentinel-3), and preparation for the Sentinel-6/Jason-CS and SWOT missions.   Because of the obvious relationship with the Symposium, it is proposed that the purely science presentations of the OSTST PIs and Co-Is be given in the Symposium. This will leave more time during OSTST for specific splinters, technical presentations, including a poster session. The International Doris Service (IDS) workshop (1.5 days) will take place in parallel to the "25 Years of Progress in Radar Altimetry" Symposium and start after the Monday morning plenary session. Abstracts submission for the OSTST and IDS meetings is open through this interface  and will end on May 14 (midnight UTC).   For OSTST, splinters descriptions to choose where to submit your abstract can be found here.
Categories: Climate Science News

[Sentinel-3B] The second Sentinel-3 satellite is set for launch on 25 April

Fri, 2018-04-20 02:08
The second Sentinel-3 satellite, Sentinel-3B, is set for launch on 25 April. Discover this multitalented mission and follow preparations for the liftoff of Europe’s next Copernicus satellite.   Meet Sentinel-3
Categories: Climate Science News

April 2018: Sea ice leads by two sentinels

Thu, 2018-04-19 07:03
The fractures in sea ice (or "leads") are important for the estimate of ice thickness from remote...
Categories: Climate Science News

9 - 15 April 2018 week

Thu, 2018-04-19 02:50
Pourquoi étudier l’ADN de l’océan?? (Sud Ouest, 10/04/18) Atlantic Ocean Circulation at weakest point in 1,600 years (Science Daily, 11/04/18)  Cette boue japonaise trouvée au fond de l'océan pourrait sauver les nouvelles technologies (et notre civilisation) (Huffpost, 11/04/18) L’océan martien gagne en crédibilité et ses dates se précisent (Le Blog de Pierre Brisson, 10/04/18) Changement climatique : doucement mais sûrement, le plus vaste désert du monde s'étend (Sciences et Avenir, 12/04/18) Bound for Mars: Countdown to First Interplanetary Launch from California (Nasa, 06/04/18) On line availability of articles depends on the Newspaper/magazine. We can't thus certify that above articles will be freely and permanently available.
Categories: Climate Science News