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San Francisco and Oakland, California

37.8N 122.2W

February 8th, 2011 Category: Snapshots

USA - February 1st, 2011

This orthorectified image focuses on San Francisco, California. The city appears as a bright white area on the left side of the image. Across from San Francisco is the city of Oakland.

Several bodies of water can be seen, including the Pacific Ocean to the west, the San Pablo Bay to the north, and the San Francisco Bay to the south. Several bridges are visible as white lines crossing the bays.

California Coast from San Francisco to Point Reyes Peninsula

38.0N 122.9W

October 12th, 2010 Category: Snapshots

USA - August 27th, 2010

This orthorectified image shows the coast of the state of California, USA. Part of the city of San Francisco appears as a white area along the shores of the San Francisco Bay, by the right edge. Several bridges are visible as white lines crossing the bay.

Point Reyes, a prominent cape on the Pacific coast of northern California, is also visible in the upper left corner. It is located in Marin County approximately 30 miles west-northwest of San Francisco. The Point Reyes Peninsula is bounded by Tomales Bay on the northeast and Bolinas Lagoon on the southeast. The headland is protected as part of Point Reyes National Seashore.

Western USA, from Desert to Valley

38.9N 119.1W

August 13th, 2010 Category: Lakes

USA- August 29th, 2010

Clouds flank the coast of California, USA, along the Pacific Ocean. Although much of this coastal area is green, due to mountains, to the north, and the  Great Central Valley, parallel to the shoreline, it does become progressively more arid and tan in color as one moves southward.

Several cities appear as grey areas along the coastline. The city of San Francisco can be seen along the shores of the San Francisco Bay, center left. The bay is greyish blue in color, with tan sediments present.

Despite the generally dry, desert region east of the Great Central Valley, a few lakes can be observed. These include  the Great Salt Lake, in Utah, at the upper right edge, the Salton Sea, in California, southeast of the valley, and Lake Mead, between the two, in Arizona and Nevada.

Bridges Spanning Bays by San Francisco, USA

37.7N 122.4W

November 10th, 2009 Category: Snapshots

California, USA - October 22nd, 2009

California, USA - October 22nd, 2009

The city of San Francisco, California, can be seen along the shores of the San Francisco Bay in this orthorectified image. A series of bodies of water are visible, as the San Francisco Bay (bottom right quadrant) is connected to the San Pablo Bay to the northwest, which in turn is joined with the Suisun Bay, above the image center.

The bridges spanning these bays appear as thin white or light grey lines in this ASAR image. These are, moving from the center to the lower right corner, the Richmond-San Rafael Bridge, the San Francisco-Oakland Bay Bridge, the San Mateo-Hayward Bridge, and the Dumbarton Bridge.

Sediments in Interconnected San Francisco Bays, California, USA – October 26th, 2009

37.7N 122.4W

October 26th, 2009 Category: Image of the day, Rivers

California, USA - August 25th, 2009

California, USA - August 25th, 2009

Sediments from the Sacramento and San Joaquin Rivers flow through a group of interconnected bays in California often collectively referred to as the San Francisco Bay, before spilling out into the Pacific Ocean.

Along this path, the sediments actually flow first into Suisun Bay, which then flows through the Carquinez Strait to meet with the Napa River at the entrance to San Pablo Bay, which in turn connects at its south end to the true San Francisco Bay.

The cities of this region, including San Francisco, Oakland and San Jose, can be seen as grey areas near and along the shores of the bays.