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Posts tagged Rocky Mountains

Climate Change and Rocky Mountain Ecosystems, USA

49.6N 118.6W

April 23rd, 2013 Category: Climate Change, Mountains

USA and Canada – April 22nd, 2013

Climate change is widely acknowledged to be having a profound effect on the biosphere with many and diverse impacts on global resources. Mountain ecosystems in the western U.S. and the Northern Rockies in particular are highly sensitive to climate change. In fact, the higher elevations of the Northern Rockies have experienced three times the global average temperature increase over the past century.

These same ecosystems provide up to 85% of the water humans depend on as well as a host of other ecosystem services such as snow-based recreation, timber, unique flora and fauna, and critical habitat for rare and endangered species such as bull trout and grizzly bear. Climate change poses special problems for mountain protected areas, such as national parks and wilderness areas, because most of the land area within their boundaries is at higher elevations.

Torpy River Between the Northern Rockies and the McGregor Plateau, Canada

53.8N 121.3W

February 24th, 2010 Category: Mountains, Rivers

Canada - January 25th, 2010

Canada - January 25th, 2010

The Torpy River can be seen flowing through a valley in the lower half of this orthorectified image. It is a tributary of the Fraser River, rising in the Northern Rockies and the McGregor Range, a subdivision of the McGregor Plateau, and forming the boundary between the Rockies and the McGregor Plateau.

The McGregor Plateau is a sub-plateau of the Fraser Plateau, the northernmost major subdivision of the Interior Plateau spanning the inland regions of the Pacific Northwest. It is located in British Columbia, Canada, to the east of the city of Prince George. The plateau is very mountainous in character and includes several large rivers.

Sangre de Cristo Range and Sand Dunes, Colorado USA – January 3rd, 2010

37.7N 105.6W

January 3rd, 2010 Category: Image of the day

USA - December 14th, 2009

USA - December 14th, 2009

The Sangre de Cristo Range cuts diagonally across the upper part of this orthorectified image. It is a narrow mountain range of the Rocky Mountains running north and south along the east side of the Rio Grande Rift in southern Colorado in the United States.

The mountains extend southeast from Poncha Pass for about 75 miles (120 km) through south-central Colorado to La Veta Pass, approximately 20 miles (32 km) west of Walsenburg, and form a high ridge separating the San Luis Valley on the west, in which many circular fields are visible, from the watershed of the Arkansas River on the east.

At the foot of the range in the lower right quadrant is the Great Sand Dunes National Park and Preserve, located in the easternmost parts of Alamosa County and Saguache County, Colorado. The park has approximately 85,000 acres (340 km², 130 mi²) and contains the tallest sand dunes in North America, rising about 750 feet (230 m) from the floor of the San Luis Valley on the western base of the Sangre de Cristo Range, covering about 19,000 acres (77 km²).

The Grand Valley Below the Rocky Mountains, Colorado, USA

39.0N 108.5W

October 8th, 2009 Category: Rivers

USA - September 6th, 2009

USA - September 6th, 2009

The Grand Valley is an extended populated valley, approximately 30 miles (48 km) long and 5 miles (8 km) wide, located along the Colorado River in Mesa County in western Colorado and Grand County, Utah, USA. It appears as a flat, dark grey area at the bottom of this orthorectified image of Colorado.

The valley contains the city of Grand Junction, as well as other smaller communities, and is the most densely populated area on the Colorado Western Slope. such as Fruita, Orchard Mesa, and Palisade. The valley is noted as a major fruit growing region, with a large number of orchards.

North of the valley, the Rocky Mountains rise to great heights. Those above the valley in the middle section of the image reach altitudes of over 8500 feet, while the parallel ridges of those towards the top are lower, at around 7500 feet.

Agriculture at Base of Rocky Mountains in Idaho, USA – August 31st, 2009

42.9N 112.6W

August 31st, 2009 Category: Image of the day, Lakes

Idaho, USA - July 26th, 2009

Idaho, USA - July 26th, 2009

Irrigated fields, both circular and rectangular, surround the American Falls Reservoir in Idaho, USA. The lake and fields lay in a valley at the foot of the state’s Caribou Range, part of the Rocky Mountains, in this orthorectified image.

The Rocky Mountains (or Rockies) are a major mountain range in western North America. The Rocky Mountains stretch more than 4,800 kilometres (2,980 mi) from the northernmost part of British Columbia, in Canada, to New Mexico, in the United States.

The mountains seen here in Idaho are on the western edge of the Rockies, which includes the Caribou Range and other subranges such as the Wasatch near Salt Lake City, Utah, and the Bitterroots along the Idaho-Montana border.

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