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Posts tagged Montague Island

Southern California, USA, and Baja California, Mexico – December 24th, 2009

31.7N 114.7W

December 24th, 2009 Category: Image of the day

Mexico - November 17th, 2009

Mexico - November 17th, 2009

This image stretches from the southern half of the California Central Valley, USA, in the upper left quadrant, to El Vizcaíno Biosphere Reserve, in Baja California, Mexico, in the lower right quadrant. In between the two, the Colorado River spills tan sediments around Montague Island into the Sea of Cortes, also known as the Gulf of California.

Several mountain ranges can also be observed, including the Sierra Nevada Range, which bounds the California Central Valley to the east, the Tehachapi Mountains, south of the valley.

East of the Sierra Nevada ranges lies the large desert of the Intermontane Plateaus a large, arid desert. The southern portion of this region, known as the Great Basin, contains salt flats, drainage basins, and many smaller mountain ranges running north to south.

Pinacate Peaks Amidst Sand Dunes of the Gran Desierto de Altar, Mexico

31.7N 114.7W

November 30th, 2009 Category: Rivers, Volcanoes

Mexico - November 17th, 2009

Mexico - November 17th, 2009

The Colorado River pours thick tan sediments around Montague Island and into the Sea of Cortes. The sediments gradually take on a greenish appearance as they diffuse southward.

North of the rivermouth is the Gran Desierto de Altar, part of the Sonoran Desert. The desert’s vast sand dune field appears mostly tan here, with the exception of a dark brown circular area in the upper right quadrant.

This part of the desert is the location of the Pinacate Peaks, a group of volcanic peaks and cinder cones. The tallest of the peaks is Cerro del Pinacate (also called Volcan Santa Clara), elevation 3,904 feet (1,190 m).

Land Around the Colorado River, in USA and Mexico

36.0N 114.7W

July 22nd, 2009 Category: Lakes, Rivers

USA and Mexico - June 24th, 2009

USA and Mexico - June 24th, 2009

Dense clouds cling to the west coast of Baja California, Mexico, and southern California, USA. The east coast, however, is cloud-free, and the Colorado River can be seen disharching thick brown sediments around Montague Island and into the Sea of Cortes.

The large tan area north of the rivermouth is the Gran Desierto de Altar, part of the Sonoran Desert. Northwest of its dunes is the Imperial Valley in southern California, which is checkered by fields thanks to irrigation from the Colorado River.

The upper reaches of this agricultural zone meet the Salton Sea, a saline lake. North of the sea is Lake Mead, an artificial reservoir created by the Hoover Dam on the Colorado River.

Montague Island and the Dunes of the Gran Desierto de Altar, Mexico

31.7N 114.7W

June 3rd, 2009 Category: Snapshots

Mexico - June 2nd, 2009

Mexico - June 2nd, 2009

In the center of this ASAR image of Baja California, Mexico, currents at the mouth of the Colorado River are visible  as it discharges around Montague Island and into the Sea of Cortes.

The terrain above is mostly occupied by the vast Gran Desierto de Altar, one of the major portions of the Sonoran Desert of Mexico. Its dunes compose the only active erg dune region in North America.

In contrast with the arid desert, some agricultural areas are also visible in the upper left corner.

Montague Island, Baja California

January 19th, 2009 Category: Rivers

Isla Montague and Sea of Cortes - December 9th, 2008

Isla Montague and Sea of Cortes - December 9th, 2008

The terrain in Baja California, Mexico, is very diverse, ranging from the desert visible in dark grey (right), called the Desierto de Altar, to agricultural areas (top center), to mountains (left).

The Colorado River spills around Montague Island into the Sea of Cortes. The island appears dark grey in the center and becomes lighter around the edges; this is due to the floodplain sediments sculpted by the movement of the waves and tides.

This area, the end of the Colorado River delta estuary, also has large white salt flats, visible to the west of the island.

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