About: Maritime impacts of volcanic eruptions

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Volcanic eruptions can have various impacts on maritime transportation. When a volcano erupts, large amounts of noxious gases, steam, rock, and ash are released into the atmosphere; fine ash can be transported thousands of miles from the volcano, while high concentrations of coarse particles fall out of the air near the volcano. The high concentrations of hazardous toxic gases are localized in the immediate vicinity of the volcano. Ash can affect marine transportation in many ways:

Attributes	Values
rdf:type	yago:WikicatWeatherHazards yago:CausalAgent100007347 yago:Danger114541044 yago:Hazard114541852 yago:PhysicalEntity100001930
rdfs:label	Maritime impacts of volcanic eruptions (en)
rdfs:comment	Volcanic eruptions can have various impacts on maritime transportation. When a volcano erupts, large amounts of noxious gases, steam, rock, and ash are released into the atmosphere; fine ash can be transported thousands of miles from the volcano, while high concentrations of coarse particles fall out of the air near the volcano. The high concentrations of hazardous toxic gases are localized in the immediate vicinity of the volcano. Ash can affect marine transportation in many ways: (en)
foaf:depiction
dct:subject	Volcanology Weather hazards
Wikipage page ID	24854118 (xsd:integer)
Wikipage revision ID	1105899157 (xsd:integer)
Link from a Wikipage to another Wikipage	Volcanology SS Catterthun Mount Okmok Alaska Dutch Harbor Weather hazards Alaska Volcano Observatory Adsorb National Hurricane Center Ocean Prediction Center Chaiten Volcano Pumice raft NOAA ships and aircraft
Link from a Wikipage to an external page	http://www.avo.alaska.edu/ http://pafc.arh.noaa.gov/volcano.php http://www.opc.ncep.noaa.gov/volcano/ http://volcanoes.usgs.gov/ http://vulcan.wr.usgs.gov/ https://www.nytimes.com/1892/07/18/archives/volcanos-terrible-work-an-island-and-all-of-its-inhabitants.html
sameAs	Maritime impacts of volcanic eruptions Maritime impacts of volcanic eruptions Maritime impacts of volcanic eruptions
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thumbnail	wiki-commons:Special:FilePath/Pumice-raft.jpg?width=300
has abstract	Volcanic eruptions can have various impacts on maritime transportation. When a volcano erupts, large amounts of noxious gases, steam, rock, and ash are released into the atmosphere; fine ash can be transported thousands of miles from the volcano, while high concentrations of coarse particles fall out of the air near the volcano. The high concentrations of hazardous toxic gases are localized in the immediate vicinity of the volcano. Until more recently public focus has mainly been on effects on aviation effects—ash, which can be undetectable, can cause an aircraft's engine to cut out with catastrophic potential. However, the July 2008 eruption of Okmok Volcano in Alaska triggered attention to the maritime effects. Employees at the National Weather Service Ocean Prediction Center's Ocean Applications Branch examined this event and partnered with the Alaska Volcano Observatory to compile information on the topic. Ash can affect marine transportation in many ways: 1. * Volcanic ash can clog air intake filters in a matter of minutes, crippling airflow to vital machinery. Ash particles are very abrasive and, if they get into an engine's moving parts, can cause severe damage very quickly. 2. * Water is the main component in volcanic eruptions; it is what makes them so explosive. Through chemical reactions, toxic gases that are released in eruptions can bond or adsorb to ashfall particles. As the particles land on skin, metal, or other exposed shipboard equipment, they can begin to corrode. 3. * Certain types of volcanic ash do not dissolve easily in water. Instead, they clump on the surface of the ocean in pumice rafts. These rafts can clog salt water intake strainers very quickly, which can result in overheating of shipboard machinery dependent on sea water service cooling. 4. * Heavy amounts of volcanic ash reduce visibility to less than ½ mi, which is a hazard to navigation. This, combined with the above three other main impacts make sailing in the vicinity of volcanic ash very dangerous for mariners. (en)
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foaf:isPrimaryTopicOf	wikipedia-en:Maritime_impacts_of_volcanic_eruptions
is Link from a Wikipage to another Wikipage of	Maritime Impacts of Volcanic Eruptions
is Wikipage redirect of	Maritime Impacts of Volcanic Eruptions
is foaf:primaryTopic of	wikipedia-en:Maritime_impacts_of_volcanic_eruptions

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