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Posts tagged San Francisco Bay

Bodies of Water on Both Sides of Great Central Valley, California, USA

39.1N 120W

October 10th, 2012 Category: Lakes

USA – October 7th, 2012

Several bodies of water can be seen on both sides of the Great Central Valley in the state of California, USA. On the right side of the image are Lake Tahoe (center, right) and Pyramid Lake (above, right). Both lakes are connected by the Truckee River, which is the sole outlet of Lake Tahoe and drains part of the high Sierra Nevada, emptying into Pyramid Lake in the Great Basin. Its waters are an important source of irrigation along its valley and adjacent valleys.

In the lower left quadrant is the San Francisco Bay, a shallow, productive estuary through which water draining from approximately forty percent of California, flowing in the Sacramento and San Joaquin rivers from the Sierra Nevada mountains, enters the Pacific Ocean.

Specifically, both rivers flow into Suisun Bay, which flows through the Carquinez Strait to meet with the Napa River at the entrance to San Pablo Bay, which connects at its south end to San Francisco Bay. However, the entire group of interconnected bays is often referred to as “San Francisco Bay”.

Mill Fire in Mendocino National Forest, California, USA

39.6N 122.8W

July 11th, 2012 Category: Fires

USA – July 11th, 2012

A plume of smoke from a fire north of the San Francisco Bay, California, can be seen blowing to the west. The blaze has been named the Mill Fire. It is burning in northwestern Colusa County in the Mendocino National Forest.

The fire showed significant growth yesterday, driven by hot, dry, conditions. Growth was predominately to the east and north. Fire behavior including active torching, crown runs, and spotting up to one half mile in advance of the main fire. The cause of the fire is still unknown. Its size is estimated at 16,000 acres, and it is 35% contained.

Evacuations are in effect for the communities of Fouts Springs, Bonnie View, and Board Camp Springs and campgrounds within the Upper Letts Lake area. Portions of the community of Stonyford are under voluntary evacuation. An Area Closure is in effect for the Mendocino National Forest for all roads, trails, recreational facilities within the Grindstone Ranger District.

San Francisco and Bridges Crossing San Francisco Bay, USA – February 24th, 2012

37.7N 122.4W

February 24th, 2012 Category: Image of the day

USA - December 28th, 2011

The bright white parts of this orthorectified image mainly belong to the city of San Francisco (lower left quadrant) and the San Francisco Bay Area, a populated region that surrounds the San Francisco and San Pablo estuaries in Northern California. The region encompasses major cities and metropolitan areas of San Francisco, Oakland, and San Jose, along with smaller urban and rural areas.

Several bridges can be observed as white lines spanning the estuaries, including the San Francisco-Oakland Bay Bridge (east of San Francisco), the Golden Gate bridge (north of San Francisco) and the Richmond-San Rafael Bridge (northeast of San Francisco), the northernmost of the east–west crossings of the San Francisco Bay in California, USA, connecting Richmond on the east to San Rafael on the west end.

From San Francisco Across Great Central Valley to Sierra Nevada, USA – May 18th, 2011

37.7N 122.4W

May 18th, 2011 Category: Image of the day, Mountains

USA - May 2nd, 2011

California’s Great Central Valley occupies the lower diagonal half of this image, lying between the Pacific Ocean and the Sierra Nevada. Many fields can be seen dotting the valley’s otherwise green landscape.

Visible on the shores in the lower left quadrant is the city of San Francisco and its nearby metropolitan around, lining the shores of San Francisco Bay and San Pablo Bay.

Great Central Valley Between Mountains and San Francisco Bay, USA – July 26th, 2010

37.7N 122.4W

July 26th, 2010 Category: Image of the day, Lakes, Mountains, Rivers, Sediments

USA - June 26th, 2010

USA - June 26th, 2010

The Great Central Valley of California is a vast agricultural region, visible here as a green area surrounded by tan, between mountains and the coast. Upon opening the full image, many individual fields can be observed, dotted across the area.

The valley is bounded by the Cascade Range, Trinity Alps and Klamath Mountains to the north, the Sierra Nevada to the east, the Tehachapi Mountains to the south, and the Coast Ranges and San Francisco Bay to the west.

Here, the San Francisco Bay appears greenish grey in color, due to sediments and some sun glint. What is frequently referred to as the San Francisco Bay is actually a system of several interconnected bays: sediments flow first into Suisun Bay, then through the Carquinez Strait into San Pablo Bay, then into the true San Francisco Bay.

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