Tuesday, October 5, 2010

Publicidade linda mas...




Uma publicidade linda, mas um nadinha hipócrita?!

La pub mignonne-hypocrite pour la Nissan-Renault électrique (publiphobes s'abstenir)


Exploradores Polares
05.10.10

Monday, August 16, 2010

Glaciar Petermann no Árctico : alterações climáticas






Glaciar Petermann
 Pat Lockerby
http://glacierchange.files.wordpress.com

Esta foto do arquivo mostra um glaciar no Árctico. Especialistas acreditam ter descoberto um bebedouro da expedição polar de Sir Ernest Shackleton, depois de abrir uma caixa de uísque soterrada há cem anos no gelo da Antártida.

This illustration file photo shows an Arctic glacier. Experts believe they have uncovered a secret drinker on Sir Ernest Shackleton's polar expedition after opening a crate of whisky buried under Antarctic ice for 100 years.






Glaciar Petermann
 AP Photo/NASA 2010

Estas duas imagens de satélite fornecidas pela NASA captadas em 28 de Julho 2010 - à esquerda, e em 5 de Agosto 2010, à direita - mostram o glaciar Petermann no norte da Gronelândia. Uma gigantesca ilha de gelo, vista à direita, rompeu o glaciar Petermann

Um cientista da Universidade de Delaware diz que a camada de gelo flutuante cobre uma área de 260 quilómetros quadrados - mais de quatro vezes o tamanho da ilha de Manhattan, em Nova York. A Organização Meteorológica Mundial (OMM) diz que os cataclismos relacionados com o clima em Julho e Agosto se encaixam nos padrões previstos pelos cientistas da climatologia, embora eles sempre evitem ligar directamente os desastres naturais directamente ao aquecimento global.





Glaciar Petermann
 créditos:NASA 2010

FILE - These two satellite images provided by NASA taken on July 28, 2010, left, and Aug. 5, 2010, right, shows the Petermann Glacier in Northern Greenland. A giant ice island, seen in image at right, has broken off the Petermann Glacier. 

A University of Delaware researcher says the floating ice sheet covers 100 square miles (260 sq. kilometers) — more than four times the size of New York's Manhattan Island. The World Meteorological Organization (WMO) says the weather-related cataclysms of July and August fit patterns predicted by climate scientists, although those scientists always shy from tying individual disasters directly to global warming.





AFP/Greenpeace/File/Nick Cobbing

Esta foto captada em 12 de Julho de 2009 e divulgada pelo Greenpeace mostra uma secção do glaciar Petermann. Uma gigantesca ilha de gelo quatro vezes maior que Manhattan quebrou um icebergue no noroeste da Gronelândia, disse um pesquisador de uma universidade norte-americana.




créditos: NASA

This handout photo taken on July 12, 2009 and released by Greenpeace shows a section of the Petermann glacier. A massive ice island four times the size of Manhattan has broken off an iceberg in north-western Greenland, a researcher at a US university said.


Exploradores Polares 'teen'

16.08.10

Licença Creative Commons

sources; Yahoo/News

Saturday, April 17, 2010

Islândia : Vulcão do glaciar Eyjafjallajökull em erupção !






Vulcão glaciar Eyjafjallajökull
créditos: Ivo Bessa Martins






Vulcão 
Eyjafjallajökull
Photograph: Jon Gustafsson / AP


Um geólogo islandês afirmou hoje, sábado, que a actividade do vulcão em erupção no glaciar Eyjafjallajökull se intensificou, criando uma nuvem de cinzas que alcançará cerca de 8,5 quilómetros.

Magnus Tumi Gudmundsson, geólogo da Universidade da Islândia, disse que o vento melhorou a visibilidade e que hoje, sábado, será o primeiro dia em que os cientistas conseguirão sobrevoar o vulcão.

Enquanto os cientistas determinam a quantidade de gelo que foi derretida, dado que o vulcão se encontra num glaciar, será mais fácil determinar quanto tempo durará a erupção.  

O geólogo islandês considera que enquanto houver gelo suficiente, mais nuvens se formarão, podendo causar ainda mais impactos no espaço aéreo europeu.  





credits : REUTERS

Eyjafjallajökull, a volcano on the Eastern Volcanic Zone in southern Iceland, began to erupt on 14 April 2010.
A plume of volcanic ash was at times ejected several kilometers into the atmosphere by this eruption, potentially causing a hazard for aeroplanes. 
All flights in several European countries have been suspended as ash from a volcanic eruption in Iceland moves south.
Up to 4,000 flights are being cancelled with airspace closed in Norway, Sweden, Finland and Denmark among others.
Occasional disruption continued when increased explosive activity at the volcano coincided with northerly to north-westerly winds that brought the ash towards Europe.



credits : NASA

The Health Protection Agency said the ash from the Eyjafjallajökull eruption did not pose a significant risk to public health because of its high altitude.

Initial reports suggest glacial melt from Iceland's Eyjafjallajökull volcano, located about 75 miles (120 kilometers) from Reykjavik, has raised local rivers by as much as ten feet (three meters).





Eyjafjallajökull volcano, Iceland
AP Photo/Reynir Petursson, Helicopter.is


On Sunday 18 April researchers from the University of Iceland estimated that about 750 tones of magma were ejected from the volcano every second. 

By 20 April, most of the ice in the crater appeared to have melted, the plume was only reaching heights of up to 4 km (13 100 feet), and the amount of material being ejected into the plume had increased significantly. 

As the amount of ice available to interact with the magma decreased, the volcano changed from producing ash to mainly producing fire fountains




Eyjafjallajökull volcano. Iceland
Photo of the Day
credits: Sigurdur Hrafn Stefnisson


A film crew working for National Geographic publication set-up on southern Iceland's Eyjafjallajökull glacier after landing on the glacier, close to the volcanic eruption, on Sunday April 18, 2010. 

Scientists say that because the volcano is situated below the glacial ice cap, magma is being cooled quickly, causing explosions and plumes of grit. The eruption is ongoing and forecasters have predicted that light prevailing winds in Europe mean that the situation for air travel is unlikely to change in the coming days.

Let's see a video showing ITN reporter John Irvine taking a helicopter flight above the crater of the Icelandic volcano that has grounded European flights with its continued eruption of ash into the skies above northern Europe.








Geração 'explorer'

17.04.2010

Creative Commons License


References : British Geological Survey

Thursday, December 31, 2009

Bom Ano 2010




Wayne R Bilenduke/Stone | Getty Images





REUTERS/Russell Cheyne  Britain 2009

Animals Environments Images of the Day
http://inapcache.boston.com/



Laura Smerbeck 2009


Bom Ano 2010!

Bonne Année!

Happy New Year!


'Geração 'explorador'

31.12.2009

Creative Commons License

Monday, December 28, 2009

Greenpeace agradece apoio!




Greenpeace Avatar



Greenpeace Internacional enviou-nos um email de agradecimento como apoiantes nas suas causas! 


Foi com imenso prazer que o recebemos, e seguimos de imediato o link para visionarmos este vídeo genial!






Obrigada Greenpeace! Em 2010 continuaremos a apoiar esta causa que muito admiramos, divulgando no nosso blogue as campanhas de protecção do Ambiente. 


Estaremos atentos às que se dediquem especialmente ao aquecimento do planeta e ás espécies polares!



Thank You for all your support this year. We hope you enjoy this video and have a wonderful holiday.
On behalf of all Greenpeace: Thank you.


Exploradores Polares 'Gen'

28.12.2009

Creative Commons License


Tuesday, December 1, 2009

Icebergues dispersos pelos ventos




 AFP/HO/Getty Images/File


Um icebergue fotografado fora da costa neozelandesa. Mais de cem e possivelmente centenas de icebergues da Antárctida flutuam longe da Nova Zelândia num raro acontecimento provocado, segundo as entidades oficiais, pelo aquecimento global.

(tradução livre)


"It looks like they've all disappeared east of New Zealand," oceanographer Mike Williams, with New Zealand's National Institute of Water and Atmospheric Research, told The Associated Press. He said it would be unlikely they would be seen anywhere near the coastline."


Geração 'explorador'

01.12.2009

Creative Commons License