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For example, off the coast of Oregon, there are four or five strong upwelling events separated by periods of little to no upwelling during the six-month season of upwelling. In contrast, tropical latitudes have a more constant temperature contrast, creating constant upwelling throughout the year.
A June 1990 aerial photo of Yaquina Bay in Newport, Oregon. Yaquina Bay (/ j ə ˈ k w ɪ n ə / yə-KWIN-ə) is a coastal estuarine community found in Newport, OregonYaquina Bay is a semi-enclosed body of water, approximately 8 km 2 (3.2 mi 2) in area, with free connection to the Pacific Ocean, but also diluted with freshwater from the Yaquina River land drainage.
Heceta Bank's ocean currents and dynamics are similar to that of the entire Oregon coast. Along the Oregon coast, the California Current is the major Pacific Ocean Current. It runs southward, bringing colder subarctic water down along the West Coast. The Davidson Current is a coastal counter-current that runs northward along the inside of the ...
Seasonal winds cause tides and upwelling that influence nutrients and the biogeochemistry of Coos Bay estuary. One third of macrophyte production in the estuary is attributed to upwelling. [22] In the summer, wind primarily comes from the North along the Oregon coast, bringing up nutrient-rich deep water and boosting primary production. [23]
Southward view from Ecola State Park, Northern Oregon Coast Map of the Oregon Coast. The Oregon Coast is a coastal region of the U.S. state of Oregon.It is bordered by the Pacific Ocean to its west and the Oregon Coast Range to the east, and stretches approximately 362 miles (583 km) from the California state border in the south to the Columbia River in the north.
There is year-round upwelling off Southern California's coast, but it is strongest in the summer months. Off the coast of Oregon and Washington , there is forceful downwelling in the winter months, and upwelling in the region is restricted to the months of April through September. [ 5 ]
Zach Urness has been an outdoors reporter in Oregon for 15 years and is host of the Explore Oregon Podcast. To support his work, subscribe to the Statesman Journal . He can be reached at zurness ...
Coastal upwelling, river discharge, tidal mixing, estuarine circulation, climate oscillation, and remineralization, are sources or sinks for the Columbia River basin nutrient budget. [12] Due to these transport processes the Columbia River Estuary provides large nutrient sources to the adjacent sub-arctic Northeast Pacific coastal surface water ...