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  2. Heceta Bank - Wikipedia

    en.wikipedia.org/wiki/Heceta_Bank

    During spring, a coastal upwelling jet is located inshore of Heceta Bank and moves offshore during summer. [31] Two immediate consequences of the invasion of subarctic water off Oregon are an increase in primary production and an increase in water column and benthic respiration. [27]

  3. Coos Bay - Wikipedia

    en.wikipedia.org/wiki/Coos_Bay

    [10] [31] Eelgrass beds are a vital habitat to many species of invertebrates. Additionally, the eelgrass affects the flow of water through the area, stabilizes the sediment, exchanges nutrients between the water column and sediments, and is a source of food for consumers. [4]

  4. Upwelling - Wikipedia

    en.wikipedia.org/wiki/Upwelling

    Examples include upwellings around the Galapagos Islands and the Seychelles Islands, which have major pelagic fisheries. [4] Upwelling could occur anywhere as long as there is an adequate shear in the horizontal wind field. For example when a tropical cyclone transits an area, usually when moving at speeds of less than 5 mph (8 km/h). The ...

  5. Nutrient cycling in the Columbia River Basin - Wikipedia

    en.wikipedia.org/wiki/Nutrient_cycling_in_the...

    Consequently, during seasonal periods of downwelling when less ocean water is mixed into the estuary, local nitrate concentrations may be very low. [8] [22] Thus, nutrient cycling and primary production in the estuary are heavily linked with the seasonal winds off the Oregon and Washington coasts that control local ocean upwelling and ...

  6. List of ecoregions in Oregon - Wikipedia

    en.wikipedia.org/wiki/List_of_ecoregions_in_Oregon

    The task of defining and mapping these ecoregions was carried out by the Oregon Ecoregion Project, a collaborative effort involving the EPA, the United States Geological Survey (USGS), the United States Forest Service (USFS), and other state and federal agencies. The new classification system they developed may differ from previous frameworks ...

  7. Oregon - Wikipedia

    en.wikipedia.org/wiki/Oregon

    Oregon is also one of the most geographically diverse states in the U.S., [10] marked by volcanoes, abundant bodies of water, dense evergreen and mixed forests, as well as high deserts and semi-arid shrublands. At 11,249 feet (3,429 m), Mount Hood is the state's highest point.

  8. Columbia River Basalt Group - Wikipedia

    en.wikipedia.org/wiki/Columbia_River_Basalt_Group

    The Columbia River Basalt Group (including the Steen and Picture Gorge basalts) extends over portions of four states. The Columbia River Basalt Group (CRBG) is the youngest, smallest and one of the best-preserved continental flood basalt provinces on Earth, covering over 210,000 km 2 (81,000 sq mi) mainly eastern Oregon and Washington, western Idaho, and part of northern Nevada. [1]

  9. List of rivers of Oregon - Wikipedia

    en.wikipedia.org/wiki/List_of_rivers_of_Oregon

    This list of Oregon rivers is organized alphabetically and by tributary structure. The list may also include streams known as creeks, brooks, forks, branches and prongs, as well as sloughs and channels. A list of rivers of the Americas and a list of Pacific Ocean coast rivers of the Americas are also available, as is a list of Oregon lakes.