Cosmic Ray Observations in McMurdo
Entry ID: NSF-ANT07-39620

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Summary
Abstract: This proposal seeks funding to continue the neutron monitor observations at McMurdo for at least 4 years of operation - through the next solar activity maximum predicted in 2011-12. The neutron monitor in McMurdo is a crucial element of the 'Spaceship Earth' array - a 12-station multi-national network of neutron monitors optimized to measure the angular distribution of relativistic solar cosmic rays. McMurdo has the southernmost viewing direction of any neutron monitor station in the World, thereby providing a critical three-dimensional perspective on the cosmic ray distribution measured by the global array. Data returned from McMurdo and other 'Spaceship Earth' stations will enable the advanced understanding of the acceleration and transport of solar energetic particles, and of the transient and long-term modulation of galactic cosmic rays by the Sun. From the historical occurrence rates, continuing McMurdo observations through the solar activity maximum would allow to detect new relativistic solar particle events. Neutron monitors can play a direct role in forecasting and specifying solar wind disturbances, thus improving the capability to forecast major space weather events for the societal benefit. For example, providing the cosmic rays Ground-Level Enhancement (GLE) alerts is of direct relevance to aviation flights over high latitudes where these events can pose health hazards.

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Description: NSF Award Abstract #0739620


Geographic Coverage
 N: -60.0 S: -90.0  E: 180.0  W: -180.0

Temporal Coverage
Start Date: 2008-07-15
Stop Date: 2012-06-30


Location Keywords
CONTINENT > ANTARCTICA
GEOGRAPHIC REGION > POLAR


Science Keywords
SUN-EARTH INTERACTIONS >SOLAR ENERGETIC PARTICLE PROPERTIES >PARTICLE DISTRIBUTION FUNCTIONS    [Definition]
SUN-EARTH INTERACTIONS >SOLAR ENERGETIC PARTICLE FLUX    [Definition]
SUN-EARTH INTERACTIONS >SOLAR ACTIVITY >COSMIC RAYS    [Definition]


ISO Topic Category
GEOSCIENTIFIC INFORMATION


Project
NSF/OPP >Office of Polar Programs, National Science Foundation    [Information]


Data Set Progress
IN WORK


Data Center
Data Coordination Center, United States Antarctic Program    [Information]
Data Center URL: http://www.usap-data.org/
Dataset ID: NSF-ANT07-39620

Data Center Personnel
Name: ROBERT A. ARKO
Email: info at usap-data.org
Contact Address:
Lamont-Doherty Earth Observatory
61 Route 9W
City: Palisades
Province or State: NY
Postal Code: 10964
Country: USA


Personnel
JOHN BIEBER
Role: INVESTIGATOR
Email: jwbieber at bartol.udel.edu
Contact Address:
University of Delaware
Department of Physics and Astronomy
City: Newark
Province or State: DE
Postal Code: 19716
Country: US


PAUL EVENSON
Role: INVESTIGATOR
Email: evenson at udel.edu
Contact Address:
University of Delaware
City: Newark
Province or State: DL
Postal Code: 19716
Country: US



Creation and Review Dates
DIF Creation Date: 2009-05-10
Last DIF Revision Date: 2012-08-01

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