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Archive for October 30th, 2009

Lakes Hulun and Buir on the China-Mongolia Border

49.0N 117.4E

October 30th, 2009 Category: Lakes, Rivers

China - September 24th, 2009

China - September 24th, 2009

Lake Hulun, also known as Dalai nuur, is located in Inner Mongolia, China, just south of the border with Russia and east of the border with Mongolia. It is one of the five largest freshwater lakes in all of China, covering approximately 2,339 km².

Flowing across the high steppes of Mongolia into China and Lake Hulun is the Kherlen or Kerülen River, which has a total length of 1,254 km. Located nearby, to the southeast of Lake Hulun, is the smaller Lake Buir. The lake is on the China-Mongolia border and surrounded by the Hulun Buir grasslands.

Phytoplankton Stretching from Cape Cod into the Atlantic Ocean

41.7N 70.3W

October 30th, 2009 Category: Snapshots

USA - October 6th, 2009

USA - October 6th, 2009

The cities of Boston, Massachusetts (above) and Providence, Rhode Island (below) appear as grey areas amidst the generally green terrain of this part of the northeastern United States of America.

Protruding out into the Atlantic Ocean is the Cape Cod peninsula, part of Massachusetts. Below it are the islands of Martha’s Vineyard (left) and Nantucket (right), also belonging to that state.

Some phytoplankton can be seen in Nantucket Sound, between the peninsula and the islands. Upon opening the full image, the green phytoplankton can be seen reaching much farther out to the east, into the Atlantic.

Agriculture Around the Esla and Óbrigo Rivers, Spain – October 30th, 2009

42.0N 5.6W

October 30th, 2009 Category: Image of the day, Rivers

Spain - September 24th, 2009

Spain - September 24th, 2009

Rivers flowing down from the Cantabrian Mountains in Spain’s Province of León are flanked by bright green agricultural areas. The two principal rivers visible are the Óbrigo (left) and the Esla (right), which converge below Benavente.

The Esla River is a tributary of the Duero River which starts in the Cantabrian Mountains and is 286 km in length, crossing from north to south the provinces of León and Zamora. It is the largest tribuary of the Duero in terms of discharge; in fact, at its mouth, it has a greater discharge than the Duero itself does at that point.

The Órbigo River, also flowing through the provinces of León and Zamora, begins at the convergence of the Luna River and the Omaña River in the town of Santiago del Molinillo. Green fields extend far eastward from its banks, almost converging with those along the banks of the Esla.

Greater Caucasus Mountains Near Russia-Georgia Border

43.4N 43.6E

October 30th, 2009 Category: Snapshots

Russia - September 6th, 2009

Russia - September 6th, 2009

The Caucasus Mountains is a mountain system in Eurasia between the Black Sea and the Caspian Sea in the Caucasus region. It is made up of two separate mountain systems: the Greater Caucasus Mountain Range and the Lesser Caucasus Mountains, which run parallel to the greater range at a distance averaging about 100 km (60 mi) south.

In this orthorectified image, some of the slopes of the Greater Caucasus Mountain Range in southern Russia, just north of the border with Georgia, can be seen. The Russian terrain here is part of the Kabardino-Balkar Republic, west, and the Republic of North Ossetia-Alania, east.

Located in the Kabardino-Balkar Republic is the highest peak in the Caucasus ranges: Mount Elbrus. This volcanic mountain rises to a height of 18,506 feet (5,642 meters) above sea level. The highest peak in the Republic of North Ossetia-Alania, on the other hand, is Mount Dzhimara at 4,780 m.