Los Angeles Basin

Los Angeles Basin
Name	Los Angeles Basin
Location	California, United States
Coordinates	33.93°N 118.24°W
Length	50 miles
Width	30 miles

Los Angeles Basin. The Los Angeles Basin is a coastal sedimentary basin located in Southern California, United States, and is surrounded by the Santa Monica Mountains to the north, the San Gabriel Mountains to the east, and the Pacific Ocean to the west and south. The basin is home to the Los Angeles River, which flows through the city of Los Angeles and empties into the Pacific Ocean at Long Beach. The Los Angeles Basin is also adjacent to the San Fernando Valley and the San Gabriel Valley, and is part of the larger South Coast region of California.

Geography

The Los Angeles Basin is a large, flat coastal plain that stretches from the Santa Monica Mountains in the north to the Pacific Ocean in the south, and from the San Gabriel Mountains in the east to the Pacific Coast Highway in the west. The basin is bounded by the San Andreas Fault to the north and the San Jacinto Fault to the east, and is adjacent to the Channel Islands of Santa Catalina Island, San Clemente Island, and San Nicolas Island. The Los Angeles Basin is also home to several major cities, including Los Angeles, Long Beach, Santa Monica, and Beverly Hills, as well as several smaller cities and communities, such as Pasadena, Glendale, and Inglewood. The basin is crossed by several major highways, including Interstate 5, Interstate 10, and Interstate 405, and is served by several major airports, including Los Angeles International Airport and Long Beach Airport.

Geology

The Los Angeles Basin is a sedimentary basin that was formed as a result of the movement of the Pacific Plate and the North American Plate along the San Andreas Fault. The basin is filled with a thick layer of sedimentary rocks, including sandstone, shale, and conglomerate, which were deposited over millions of years. The basin is also home to several major oil fields, including the Los Angeles Oil Field and the Wilmington Oil Field, which were discovered in the early 20th century and have been producing oil ever since. The geology of the Los Angeles Basin is also influenced by the presence of several major faults, including the San Andreas Fault, the San Jacinto Fault, and the Elsinore Fault, which have shaped the landscape of the basin over millions of years. The United States Geological Survey (USGS) has studied the geology of the Los Angeles Basin in detail, and has produced several reports on the subject, including the Geologic Map of the Los Angeles West Quadrangle.

Climate

The Los Angeles Basin has a Mediterranean climate, characterized by warm, dry summers and mild, wet winters. The basin is influenced by the Pacific Ocean, which moderates the climate and keeps temperatures relatively mild throughout the year. The Los Angeles Basin is also subject to the influence of the Santa Ana winds, which blow through the basin in the fall and winter months and can bring hot, dry air from the Mojave Desert. The climate of the Los Angeles Basin is also influenced by the presence of several major mountain ranges, including the Santa Monica Mountains and the San Gabriel Mountains, which can create a rain shadow effect and reduce the amount of rainfall in the basin. The National Weather Service (NWS) has several weather stations located throughout the Los Angeles Basin, including the Los Angeles Downtown Weather Station and the Long Beach Weather Station.

History

The Los Angeles Basin has a long and complex history, dating back thousands of years to the time of the Tongva and Chumash Native American tribes. The basin was later settled by Spanish missionaries and soldiers, who established the Mission San Gabriel Arcángel in 1771 and the Pueblo de Los Ángeles in 1781. The Los Angeles Basin was part of the Mexican Republic from 1821 to 1848, and was then ceded to the United States as a result of the Treaty of Guadalupe Hidalgo. The basin experienced rapid growth and development in the late 19th and early 20th centuries, driven by the discovery of oil and the growth of the film industry in Hollywood. The Los Angeles Basin was also home to several major events, including the 1908 Democratic National Convention and the 1932 Summer Olympics, which were held in Los Angeles and featured athletes from around the world, including Babe Didrikson and Jesse Owens.

Demographics

The Los Angeles Basin is one of the most populous regions in the United States, with a population of over 13 million people. The basin is home to several major cities, including Los Angeles, Long Beach, and Santa Monica, as well as several smaller cities and communities. The Los Angeles Basin is also one of the most diverse regions in the country, with a population that includes people from a wide range of ethnic and racial backgrounds, including African Americans, Asian Americans, Hispanic and Latino Americans, and Native Americans. The basin is served by several major institutions of higher education, including the University of California, Los Angeles (UCLA), the University of Southern California (USC), and the California Institute of Technology (Caltech). The Los Angeles Basin is also home to several major cultural institutions, including the Los Angeles County Museum of Art (LACMA), the Getty Center, and the Hollywood Bowl.

Economy

The Los Angeles Basin is one of the largest and most diverse economies in the United States, with a wide range of industries, including entertainment, aerospace, technology, and international trade. The basin is home to several major companies, including The Walt Disney Company, Universal Studios, and SpaceX, as well as several major ports, including the Port of Los Angeles and the Port of Long Beach. The Los Angeles Basin is also a major center for tourism, with several major attractions, including Universal Studios Hollywood, Disneyland, and the Griffith Observatory. The basin is served by several major transportation systems, including Los Angeles International Airport and the Metropolitan Transportation Authority (MTA) transit system. The Los Angeles Basin is also home to several major research institutions, including the Jet Propulsion Laboratory (JPL) and the California Institute of Technology (Caltech), which are involved in a wide range of scientific and technological research, including space exploration and climate change.

Category:Geography of California