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Islais Creek
Islais Creek or Islais Creek Channel (previously known as Du Vrees Creek, Islais Channel and Islais Swamp) is a small creek in San Francisco, California. The name of the creek is derived from a Salinan Native American word "''slay''" or "''islay''", the name for the '' Prunus ilicifolia'' wild cherries. Around the time of the Gold Rush, the area became an industrial hub, and the condition of the creek worsened. After the devastating 1906 San Francisco earthquake, the city decided to reclaim the creek using earthquake debris, reducing the waterbody to its present size. Though much of Islais Creek has been converted to an underground culvert, remnants still exist today at both Glen Canyon Park and Third Street. Several community organizations are dedicated to preserve these remnants, as they are important wildlife habitats. Course The historic Islais Creek, the largest body of water in the city covering an area of nearly , had two main branches. One originated near the southern sl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Prunus Ilicifolia
''Prunus ilicifolia'' (Common names: hollyleaf cherry, evergreen cherry;Fire Effects Information Service, USDA Forest Service/ref> ''islay'' - Salinan Native American) is native to the chaparral areas of coastal California (from Mendocino County to San Diego County), Baja California, and Baja California Sur. as well as the desert chaparral areas of the Mojave desert. ''Prunus ilicifolia'' is an evergreen shrub to tree, producing edible cherries, with shiny and Thorns, spines, and prickles, spiny toothed leaves similar in appearance to those of Ilex, holly. This resemblance is the source of both the common name "holly-leaved cherry" and the scientific epithet "ilicifolia" (''Ilex''-leaved). It grows tall, with thick, Phyllotaxis, alternate leaves in length. It has small white flowers growing in clusters, similar in appearance to most members of the rose family, Rosaceae, flowering from March to May. The flowers are terminal on small stalks, with the youngest at the cluster center ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1906 San Francisco Earthquake
At 05:12 Pacific Standard Time on Wednesday, April 18, 1906, the coast of Northern California was struck by a major earthquake with an estimated moment magnitude of 7.9 and a maximum Mercalli intensity of XI (''Extreme''). High-intensity shaking was felt from Eureka on the North Coast to the Salinas Valley, an agricultural region to the south of the San Francisco Bay Area. Devastating fires soon broke out in San Francisco and lasted for several days. More than 3,000 people died, and over 80% of the city was destroyed. The events are remembered as one of the worst and deadliest earthquakes in the history of the United States. The death toll remains the greatest loss of life from a natural disaster in California's history and high on the lists of American disasters. Tectonic setting The San Andreas Fault is a continental transform fault that forms part of the tectonic boundary between the Pacific Plate and the North American Plate. The strike-slip fault is characterized by ma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Visitacion Valley, San Francisco, California
Visitacion Valley (; Spanish: ''Valle de la Visitación''), colloquially referred to as Viz Valley, is a neighborhood located in the southeastern quadrant of San Francisco, California. Visitacion Valley is roughly defined by McLaren Park and Gleneagles Golf Course to the West, Mansell Blvd and Portola to the north, Bayview Hill and Candlestick Cove to the east, and the San Francisco / San Mateo County line to the south. The streets of this neighborhood straddle the border between San Francisco and Daly City, hence partially blending with the adjacent Daly City neighborhood of Bayshore. The grounds of the Cow Palace, straddling the San Francisco/Daly City border, are partially within Visitacion Valley. Name Visitacion Valley takes its name from Rancho Cañada de Guadalupe la Visitación y Rodeo Viejo, a large tract of land that also included the Bayshore district of Daly City, the city of Brisbane, and San Bruno Mountain. The term "Visitacion" is Spanish and a reference to the V ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bernal Heights, San Francisco, California
Bernal Heights ( ) is a residential neighborhood in southeastern San Francisco, California. The prominent Bernal Heights hill overlooks the San Francisco skyline and features a microwave transmission tower. The nearby Sutro Tower can be seen from the Bernal Heights neighborhood. Location Bernal Heights lies to the south of San Francisco's Mission District. Its most prominent feature is the open parkland and radio tower on its large rocky hill, Bernal Heights Summit. Bernal is bounded by Cesar Chavez Street to the north, San Jose Avenue to the west, US 101 to the east, and I-280 to the south. History Bernal Heights was part of the 1839 Rancho Rincon de las Salinas y Potrero Viejo, a Mexican land grant awarded to José Cornelio Bernal (1796–1842). By 1860, the land belonged to François Louis Alfred Pioche (1818–1872), a Frenchman and financier, who subdivided it into smaller lots. Its streets were laid out during the Civil War by Army engineers from the Presidio, which ex ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Drainage Basin
A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, the '' drainage divide'', made up of a succession of elevated features, such as ridges and hills. A basin may consist of smaller basins that merge at river confluences, forming a hierarchical pattern. Other terms for a drainage basin are catchment area, catchment basin, drainage area, river basin, water basin, and impluvium. In North America, they are commonly called a watershed, though in other English-speaking places, "watershed" is used only in its original sense, that of a drainage divide. In a closed drainage basin, or endorheic basin, the water converges to a single point inside the basin, known as a sink, which may be a permanent lake, a dry lake, or a point where surface water is lost underground. Drainage basins are similar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cesar Chavez Street
Cesar Chavez Street (formerly Army Street) is an east–west street in San Francisco, California, United States. The street was renamed in 1995 in honor of American labor leader and Latino American civil rights activist, Cesar Chavez. It was widened in the middle of the 20th century to serve as a thoroughfare between the 101 and 280 freeways to the unbuilt Mission Freeway. It starts at Pier 80 in the Bayview neighborhood and ends at Douglass Street in the Noe Valley. The intersection of Chavez and Mission is the heart of the micro-neighborhood locally known as " La Lengua." The chase scene from the 1968 Steve McQueen film ''Bullitt'' started on what was then Army Street. Background Originally the street ran alongside the Precita Creek, parallel to Navy Street. Around 1900 the creek was channeled underground, and Army Street was paved over the former creek. In the 1930s it was widened and meant to be a thoroughfare for automobiles. It is seen as the dividing line be ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Noe Valley, San Francisco, California
Noe Valley ( ; originally spelt Noé) is a neighborhood in the central part of San Francisco, California. It is named for Don José de Jesús Noé, noted 19th-century Californio statesman and ranchero, who owned much of the area and served as mayor. Location Roughly speaking, Noe Valley is bounded by 21st Street to the north, 30th Street to the south, San Jose Ave and Guerrero Street to the east, and Grand View Avenue and Diamond Heights Blvd to the west. The Castro ( Eureka Valley) is north of Noe Valley; the Mission District is east. History The neighborhood is named after José de Jesús Noé, the last Mexican ''alcalde'' (mayor) of Yerba Buena (present day San Francisco), who owned what is now Noe Valley as part of his ''Rancho San Miguel''. Noé sold the land, later to be known as Noe Valley, to John Meirs Horner, a Mormon immigrant, in 1854. At this time the land was called Horner's Addition. The original Noé adobe house was located in the vicinity of the present day ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Precita Creek
Precita Creek is a small creek in the Bernal Heights and Mission District neighborhoods of San Francisco, California. Its course is mirrored by the current Precita Avenue, which ran along the creek when it was laid out sometime during the early 1850s. The creek gets its name from ''precita'', the Spanish word meaning dam or weir. The stream was buried before the beginning of the 20th century. Course Starting near Market Street and 24th Street, the old stream follows Precita Avenue and Cesar Chavez Street, ending in the Islais Creek’s estuarine bog near the insection of Cesar Chavez Street and Evans Avenue. History Precita Avenue was laid along the creek sometime during the early 1850s. In the area now called Precita Park, a village had developed by the 1860s. The village drew its water from an upstream portion of the creek and used the creek as an open sewer. Between the 1880s and the 1900s, Precita Creek was paved over to create Army Street (now Cesar Chavez Street). See als ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Debouch
In hydrology, a debouch (or debouche) is a place where runoff from a small, confined space discharges into a larger, broader body of water. The word is derived from the French verb ''déboucher'' (), which means "to unblock, to clear". The term also has a military usage. Geology In fluvial geomorphology, a debouch is a place where runoff from a small, confined space emerges into a larger, broader space. Common examples are when a stream runs into a river or when a river runs into an ocean. Debouching can generate massive amounts of sediment transport. When a narrow stream travels down a mountain pass into a basin, an alluvial fan will form from the mass deposit of the sediment. The four largest rivers (the Amazon, the Ganges-Brahmaputra, the Yangtze and the Yellow) are responsible for 20% of the global discharge of sediment in to the oceans by debouches. Geography In fluvial geography, a debouch is a place where a body of water pours forth from a narrow opening. Some examples ar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alemany Boulevard
Alemany Boulevard is a northeast–southwest street in San Francisco, California, United States. The boulevard was named for Archbishop Joseph Sadoc Alemany. Alemany, who in 1840 completed his studies in sacred theology in Rome at the College of St. Thomas, the future Pontifical University of Saint Thomas Aquinas, ''Angelicum'', was consecrated Bishop of Monterey in California at Rome on June 30, 1850. He was transferred on July 29, 1853, to the See of San Francisco as its first archbishop. It starts at Bayshore Boulevard near the Alemany Maze (the intersection of Interstate 280 and U.S. 101). The eastbound and westbound lanes split beneath the interchange, allowing for access ramps to US-101 from the middle. This configuration is referred to as the Alemany Circle. To the west, the road again splits into two carriageways, with I-280 running in the middle. At Congdon Street, the two carriageways merge. After passing under Mission Street, Alemany continues south and trave ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mission Street
Mission Street is a north-south arterial thoroughfare in Daly City and San Francisco, California that runs from Daly City's southern border to San Francisco's northeast waterfront. The street and San Francisco's Mission District through which it runs were named for the Spanish Mission Dolores, several blocks away from the modern route. Only the southern half is historically part of El Camino Real, which connected the missions. Part of Mission Street in Daly City is signed as part of State Route 82 (SR 82). Alignment From the south, Mission Street begins as a continuation of SR 82/El Camino Real at the Colma-Daly City border, just south of San Pedro Road. Mission Street then runs north to the Top of the Hill district, where SR 82 splits as San Jose Avenue to the northeast, and Mission Street continues north-northeast. It then crosses the San Francisco city limits mid-block between Templeton Avenue in Daly City and Huron Avenue in San Francisco. Mission Street then turns back nor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Glen Canyon Park
Glen Canyon Park is a city park in San Francisco, California. It occupies about along a deep canyon adjacent to the Glen Park, Diamond Heights, and Miraloma Park neighborhoods. O'Shaughnessy Hollow is a rugged, undeveloped tract of parkland that lies immediately to the west and may be considered an extension of Glen Canyon Park. The park and hollow offer an experience of San Francisco's diverse terrains as they appeared before the intense development of the region in the late 19th and the 20th centuries. The park incorporates free-flowing Islais Creek and the associated riparian habitat, an extensive grassland with adjoining trees that supports breeding pairs of red-tailed hawks and great horned owls, striking rock outcrops, and arid patches covered by "coastal scrub" plant communities. In all, about of the park and hollow are designated as undeveloped ''Natural Area''. Elevations in Glen Canyon Park range from approximately 225 feet (69 m) above sea level at the south end o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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