Exposure age calculations with preliminary CRONUS/UW calibration data set


¹⁰Be - ²⁶Al exposure age calculator

For calculating an exposure age when erosion rate is known independently.

Multiple sample form -- Preliminary CRONUS/UW production rate calibration data set
Developmental. July, 2009. Written by Greg Balco, balcs@bgc.org

Calculators home

Production rate calibration summary:

Calibration data set name: UW-CRONUS-July09

Reference: None -- use at own risk.

Some contextual remarks appear on a different web site.
Raw data are on yet another web site.

Computation time: 29.0149 sec
Calibration wrapper version: 2.2-cal-dev
Objective function version: 2.2-dev
Age calculation version: 2.1
Muon calculation version: 1.1
Constants version: 2.2


Scaling scheme	Reference Be-10			Percentage	Reduced	Reference Al-26
for spallation	production rate (atoms/g/yr)			uncertainty	chi-squared	production rate (atoms/g/yr)

St	4.20	+/-	0.11	2.6	1.36	28.37	+/-	0.74
De	4.33	+/-	0.11	2.6	0.45	29.24	+/-	0.77
Du	4.35	+/-	0.12	2.7	0.39	29.36	+/-	0.78
Li	4.65	+/-	0.12	2.7	0.55	31.40	+/-	0.83
Lm	4.15	+/-	0.11	2.6	0.87	28.00	+/-	0.74

Sample data entry:

Enter data block here.

Data entry for this form follows version 2.2:
Refer to the default v.2.2 input form here or the v.2.2 example spreadsheet here. For a list of currently available standards, see this page.

This website is supported by the National Science Foundation via the CRONUS-Earth project