Observations and Impact Assessments of Extreme Space Weather Events

Details Observations and Impact Assessments of Extreme Space Weather Events Observations and Impact Assessments of Extreme Space Weather Events

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agusm.u31b..04b&link_type=abstract

American Geophysical Union, Spring Meeting 2007, abstract #U31B-04

Mathematics

Logic

6304 Benefit-Cost Analysis, 6344 System Operation And Management, 7914 Engineering For Hazard Mitigation, 7924 Forecasting (2722), 7984 Space Radiation Environment

Scientific paper

"Space weather" refers to conditions on the Sun, in the solar wind, and in Earth`s magnetosphere, ionosphere, and thermosphere. Activity on the Sun such as solar flares and coronal mass ejections can lead to high levels of radiation in space and can cause major magnetic storms at the Earth. Space radiation can come as energetic particles or as electromagnetic emissions. Adverse conditions in the near-Earth space environment can cause disruption of satellite operations, communications, navigation, and electric power distribution grids. This can lead to a variety of socioeconomic losses. Astronauts and airline passengers exposed to high levels of radiation are also at risk. Society`s vulnerability to space weather effects is an issue of increasing concern. We are dependent on technological systems that are becoming more susceptible to space weather disturbances. We also have a permanent human presence in space with the International Space Station and the President and NASA have expressed a desire to expand our human space activities with missions to the moon and Mars. This will make space weather of even greater concern in the future. In this talk I will describe many space weather effects and will describe some of the societal and economic impacts that extreme events have had.

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