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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 ...
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.
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.
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]
Coastal upwelling is the best known type of upwelling, and the most closely related to human activities as it supports some of the most productive fisheries in the world. Coastal upwelling will occur if the wind direction is parallel to the coastline and generates wind-driven currents.
The Oregon Coast Range is divided into three separate sections: North, Central, and South. In the south is the oldest portion of the range with formation beginning in the Paleocene era with the Roseburg volcanics, while the newest section is the northernmost portion formed first with the Siletz River Volcanics. [ 1 ]
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 ...
It includes the coastal rivers of Oregon and Northern California, from the Columbia River mouth in northwestern Oregon to northern Monterey Bay in Central California. It includes the Umpqua , Rogue , Smith River , Klamath , Mad , Eel , and lower Russian rivers, and many smaller coastal rivers and streams, including those on the coast side of ...
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