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Archive for December 23rd, 2011

Mouth of Loire River by Saint Nazaire, France

47.2N 2.2W

December 23rd, 2011 Category: Rivers

France - December 22nd, 2011

This ASAR image of northwestern France shows the Loire River reaching the Bay of Biscay near the city of St. Nazaire, visible as a large, bright white area on the banks of the river in the lower right quadrant.

In the full image, the Saint-Nazaire bridge can be observed spanning the Loire river and linking Saint-Nazaire on the north bank and Saint-Brevin-Les-Pins on the south bank, in the department of Loire-Atlantique, France.

The Loire is the longest river in France, with a length of 1,012 kilometres (629 mi), and a drainage area of 117,054 km2 (45,195 sq mi), which represents more than a fifth of France’s land area.

Saltillo and Monterrey by Sierra Madre Oriental Range, Mexico

25.4N 100.9W

December 23rd, 2011 Category: Mountains

Mexico - December 22nd, 2011

Two large cities can be observed positioned among mountain ridges in northeastern Mexico, just right of the center of this image: Saltillo (just right of center) and Monterrey (slightly northeast of the former). Saltillo is the capital city of the state of Coahuila.

Monterrey is the capital city of the state of Nuevo León, with the second largest metropolitan area in Mexico. It lies north of the foothills of the Sierra Madre Oriental mountain range, east of the Cerro de las Mitras mountain, and west of Cerro de la Silla (Saddle Mountain).

Large Dust Plume Passing Cape Verde – December 23rd, 2011

16.0N 24W

December 23rd, 2011 Category: Dust Storms, Image of the day

Dust by Cape Verde - December 22nd, 2011


A large plume of dust blows off the coast of West Africa, passing the Cape Verde islands before arching northwestwards. In the full image, the plume can be seen reaching hundreds of kilometers north, towards Europe.

The detail image focuses on the dust near the Cape Verde Islands. The Republic of Cape Verde (Portuguese: Cabo Verde) is an island country, spanning an archipelago of 10 islands located in the central Atlantic Ocean, 570 kilometres off the coast of Western Africa. The islands, covering a combined area of slightly over 4,000 square kilometres (1,500 sq mi), are of volcanic origin.

Great Barrier Island, New Zealand

36.2S 175.4E

December 23rd, 2011 Category: Mountains

New Zealand - December 22nd, 2011

This orthorectified image shows the Great Barrier Island, a large island of New Zealand, situated 100 km to the north-east of central Auckland in the outer Hauraki Gulf. With an area of 285 km2 it is the fourth-largest island of New Zealand’s main chain of islands, with its highest point, Mount Hobson, rising 621 m.

South of the island is the Colville Channel, one of three channels connecting the Hauraki Gulf with the Pacific Ocean to the northeast of Auckland, New Zealand. It lies between the southern end of Great Barrier Island and Cape Colville at the northern tip of the Coromandel Peninsula. The tiny Channel Island lies in the centre of the channel.

The Coromandel Peninsula (visible in the lower part of the full image) lies in the North Island of New Zealand. It is part of the Waikato Region and Thames-Coromandel District and extends 85 kilometres north from the western end of the Bay of Plenty, forming a natural barrier to protect the Hauraki Gulf and the Firth of Thames in the west from the Pacific Ocean to the east. At its broadest point, it is 40 kilometres wide.

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