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This cooling effect on the ocean surface usually lasts for several years as the lifetime of sulfate aerosols is about 2–3 years. [1] However, in the subsurface ocean the cooling signal may persist for a longer time and may have impacts on some decadal variabilities, such as the Atlantic meridional overturning circulation (AMOC). [1] [2]
Mount Edziza, a stratovolcano in northwestern British Columbia A topographic map of Canada, showing elevations shaded from green (lower) to brown (higher). Volcanic activity is a major part of the geology of Canada and is characterized by many types of volcanic landform, including lava flows, volcanic plateaus, lava domes, cinder cones, stratovolcanoes, shield volcanoes, submarine volcanoes ...
Of Canada's thirteen provinces and territories, only two are landlocked (Alberta and Saskatchewan) while the other eleven all directly border one of three oceans. Canada is home to the world's northernmost settlement, Canadian Forces Station Alert, on the northern tip of Ellesmere Island—latitude 82.5°N—which lies 817 kilometres (508 mi ...
More recent volcanic activity has created a northwest trending line of volcanic rocks called the Wrangell Volcanic Belt. [9] This volcanic belt lies largely in the U.S. state of Alaska, but extends across the Alaska-Yukon border into southwestern Yukon where it contains scattered remnants of subaerial lavas and pyroclastic rocks which are preserved along the entire eastern fringe of the ice ...
The effects of other submarine volcanoes along the Pacific Northwest, including Cobb Seamount off the coast of Washington, affect the composition and abundance of plankton up to 30 km (20 mi) away from the seamount summit due to the upwelling of nutrients from deeper waters. Because of its similar size, Bowie Seamount most likely has a similar ...
The volcanism of Eastern Canada includes the hundreds of volcanic areas and extensive lava formations in Eastern Canada. The region's different volcano and lava types originate from different tectonic settings and types of volcanic eruptions , ranging from passive lava eruptions to violent explosive eruptions .
Then, they found a new volcano-like formation deep in the ocean waters. The new volcano-like structure sits more than 1,600 meters from the water's surface. So, it's far too deep to pose a danger ...
Maquinna is an active submarine mud volcano on the Coast of British Columbia, Canada, located 16–18 km (9.9–11.2 mi) west of Vancouver Island.It rises approximately 30 m (98 ft) above the mean level of the northeastern Pacific Ocean and lies directly along the southern expression of the left lateral, strike-slip Nootka Fault.