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The Golden Gate Bridge is a suspension bridge spanning the Golden Gate, the one-mile-wide (1.6 km) strait connecting San Francisco Bay and the Pacific Ocean.The structure links the U.S. city of San Francisco, California—the northern tip of the San Francisco Peninsula—to Marin County, carrying both U.S. Route 101 and California State Route 1 across the strait.
San Francisco Bay and the Golden Gate Bridge, looking southeast towards the City and East Bay. Alcatraz is the small islet in the upper-middle left. San Francisco Bay's profile changed dramatically in the late 19th century and again with the initiation of dredging by the US Army Corps of Engineers in the 20th century. Before about 1860, most ...
Tidal range. Tidal range is the difference in height between high tide and low tide. Tides are the rise and fall of sea levels caused by gravitational forces exerted by the Moon and Sun, by Earth's rotation and by centrifugal force caused by Earth's progression around the Earth-Moon barycenter. Tidal range depends on time and location.
With the advent of containerization and San Francisco's limited real estate, Oakland became the primary Bay Area port in the 1960s. The finger piers located along the northern waterfront quickly became outdated. San Francisco made an attempt to retain cargo capabilities by building new facilities in the southeast corner of the city.
San Francisco, [25] officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California.With a population of 808,988 residents as of 2023, [16] San Francisco is the fourth most populous city in the U.S. state of California behind Los Angeles, San Diego, and San Jose.
Tide table. Tide tables, sometimes called tide charts, are used for tidal prediction and show the daily times and levels of high and low tides, usually for a particular location. [1] Tide heights at intermediate times (between high and low water) can be approximated by using the rule of twelfths or more accurately calculated by using a ...
The California Current (Spanish: Corriente de California) is a cold water Pacific Ocean current that moves southward along the western coast of North America, beginning off southern British Columbia and ending off southern Baja California Sur. It is considered an Eastern boundary current due to the influence of the North American coastline on ...
Low tide at Bangchuidao scenic area, Dalian, Liaoning Province, China Low tide at Ocean Beach in San Francisco, California, U.S. Low tide at Bar Harbor, Maine, U.S. (2014) The changing distance separating the Moon and Earth also affects tide heights. When the Moon is closest, at perigee, the range increases, and when it is at apogee, the range ...