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12.1: Introduction

  • Page ID
    36081
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    The Great Basin is the largest area of contiguous endorheic watersheds, those with no outlets to the sea, in North America. It spans nearly all of Nevada, much of Utah, and portions of California, Idaho, Oregon, Wyoming, and Baja California. It is noted for both its arid climate and the basin and range topography that varies from the North American low point at Badwater Basin in Death Valley to the highest point of the contiguous United States, less than 100 miles (160 km) away at the summit of Mount Whitney. The region spans several physiographic divisions, biomes, ecoregions, and deserts.

    The term "Great Basin" is applied to hydrographic, biological, floristic, physiographic, topographic, and ethnographic geographic areas. The name was originally coined by John C. Frémont, who, based on information gleaned from Joseph R. Walker as well as his own travels, recognized the hydrographic nature of the landform as having no connection to the ocean. The hydrographic definition is the most used and is the only one with a definitive border. The other definitions yield not only different geographical boundaries of "Great Basin" regions but regional borders that vary from source to source.

    Map showing the Great Basin drainage basin as defined hydrologically.
    Figure 12.2: Map of California’s Great Basin Desert & Basin Range. Wikimedia is licensed under CC BY-SA 3.0.

    The Great Basin Desert is defined by plant and animal communities, and, according to the National Park Service, its boundaries approximate the hydrographic Great Basin but exclude the southern "panhandle". The Great Basin Floristic Province was defined by botanist Armen Takhtajan to extend well beyond the boundaries of the hydrographically defined Great Basin: it includes the Snake River Plain, the Colorado Plateau, the Uinta Basin, and parts of Arizona north of the Mogollon Rim.

    The indigenous peoples of the Great Basin, or The Great Basin Culture Area, is a cultural classification of indigenous peoples of the Americas and a cultural region located between the Rocky Mountains and the Sierra Nevada. The culture area covers approximately 400,000 square miles (1,000,000 km2), or just less than twice the area of the hydrographic Great Basin.


    This page titled 12.1: Introduction is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by Jeremy Patrich.

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