Journal
QUATERNARY GEOCHRONOLOGY
Volume 26, Issue -, Pages 44-55Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.quageo.2014.09.005
Keywords
Cosmogenic; Production rates; Radiation transport; Exposure age; Angular distribution; Erosion
Funding
- CRONUS-Earth Collaboration (NSF) [EAR0345949]
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Characteristics of the spallogenic component of nuclide production are investigated through the use of a physics-based model. Calculated production rates for commonly used nuclides indicate differences in scaling up to 15% at very high altitude. Angular distribution of nuclide forming particles suggests the current method of shielding correction, which is neither altitude nor latitude dependent, can be improved on. Subsurface production profiles suggest that erosion corrections should be performed with non-constant attenuation lengths. Results are parameterized for easy application. (C) 2014 Elsevier B.V. All rights reserved.
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