Remember Geography??

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nationalgeographicmagazine:

Pahoehoe Lava, Hawaii Photograph by Steve and Donna O’Meara, Volcano Watch International/National GeographicPahoehoe lava flows on Kilauea volcano in Hawaii Volcanoes National Park. Unlike aa (pronounced “ah ah”) lava, pahoehoe flows relatively slowly, allowing an insulating skin to form that keeps the temperature close to 2,190°F (about 1,200°C). Aa lava, on the other hand, moves faster and doesn’t have time to develop a skin, resulting in a cooler flow with a more angular texture.
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nationalgeographicmagazine:

Pahoehoe Lava, Hawaii
Photograph by Steve and Donna O’Meara, Volcano Watch International/National Geographic
Pahoehoe lava flows on Kilauea volcano in Hawaii Volcanoes National Park. Unlike aa (pronounced “ah ah”) lava, pahoehoe flows relatively slowly, allowing an insulating skin to form that keeps the temperature close to 2,190°F (about 1,200°C). Aa lava, on the other hand, moves faster and doesn’t have time to develop a skin, resulting in a cooler flow with a more angular texture.

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(via geologyrocks)

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travelbyfoldingamap:

“Van Gogh” Algae © EROS/USGS/NASA
in the baltic sea…click through to some really amazing new satellite photos of earth.  They’re really beautiful…look more like paintings than an aerial view of the planet.

travelbyfoldingamap:

“Van Gogh” Algae © EROS/USGS/NASA

in the baltic sea…click through to some really amazing new satellite photos of earth.  They’re really beautiful…look more like paintings than an aerial view of the planet.

Notes

ianmergard:

Simulated Flood in Queanbeyan, NSW
My purpose is for students to engage with Google Earth and understand some of the principles of GIS.
I created a Polygon layer in Google Earth over Queanbeyan. I set the polygon as a rectangle over most of town. The river level is 571m above sea level and this polygon’s altitude is set to 580m to simulate a 9m river peak, which would be a 1-in-100 year flood event.
Some of the Queanbeyan CBD and Industrial Estate would be inundated. Some students realised that their houses would be under threat.

ianmergard:

Simulated Flood in Queanbeyan, NSW

My purpose is for students to engage with Google Earth and understand some of the principles of GIS.

I created a Polygon layer in Google Earth over Queanbeyan. I set the polygon as a rectangle over most of town. The river level is 571m above sea level and this polygon’s altitude is set to 580m to simulate a 9m river peak, which would be a 1-in-100 year flood event.

Some of the Queanbeyan CBD and Industrial Estate would be inundated. Some students realised that their houses would be under threat.