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CRONUS-Earth online calculators -- Development versions
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Developmental versions: These versions
are in active development, are very likely to
contain errors, may not work at all, and may be offline
for changes at any time. On the other hand, they have more
features than the stable versions. The only reason to use these is if
you're participating in the development or if you want to use a
particular feature that's not in the stable versions.
The stable versions appear on the main index page.
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10Be - version 2.2 - in development
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Two major changes in version 2.2. First, this version moves to the revised Be-10 standardization and
half-life of Nishiizumi (2007). This requires users to enter the normalization standard used for
their AMS measurements. Second, there is the option to use a production rate calibration data set of your
choice rather than the default production rate calibration data set from Balco et al. (2008).
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Calculate exposure ages
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Establish a production rate calibration
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Go directly to exposure age calculations using default production rate calibration
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Go directly to erosion rate calculations using default production rate calibration
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36Cl - development:
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Proto-Cl-36 calculator from 2002
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(Not at all updated. Doesn't do much. Almost manages to calculate the complete
production/depth profile. Uses an interesting numerical diffusion scheme.)
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Calculate exposure ages:
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Single sample:
long form
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Multiple samples
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Calculate surface erosion rates:
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Single sample:
long form
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Multiple samples
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Documentation
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Contact: Greg Balco, U. of Washington