| Name : R-deltar
| |
| Version : 1.0.0
| Vendor : obs://build_opensuse_org/devel:languages:R
|
| Release : lp156.12.1
| Date : 2024-09-10 03:44:14
|
| Group : Development/Libraries/Other
| Source RPM : R-deltar-1.0.0-lp156.12.1.src.rpm
|
| Size : 0.06 MB
| |
| Packager : https://www_suse_com/
| |
| Summary : Calculation of Delta R Values
|
Description :
Computes the regional correction factor of 14C age offset in
marine-derived samples (Delta R). This is possible with the recently
established \"marine13\" calibration curve and the \'BchronCalibrate\'
function from the \'Bchron\' package. The algorithm of Delta R
computation includes four steps: measure radiocarbon age of a marine
sample; identify its true age; compute its modeled radiocarbon age
corresponding to the true age; and finally calculate the difference
between its measured and modeled radiocarbon ages. This package has
functions that compute Delta R with three methods: by using marine
samples with known collection dates (before 1950s), usually molluscan
shells from museum collections, (function dr_shell()); by measuring
other radioactive isotopes, mainly uranium-thorium (230Th/234U), ratio
(dr_pair() function and the \"pair\" method in the dr_df() function); and
finally by using a pair of coeval samples, one being marine and the
other terrestrial (dr_pair() function and the \"pair\" method for the
dr_df() function as well). Usually such samples originate from
archaeological sites where the context, in which paired samples were
found, is taken as a guarantee of their synchronicity. References:
Oeschger H, Siegenthaler U, Schotterer U, Gugelmann A (1975)
< doi:10.3402/tellusa.v27i2.9900> Reimer PJ, Bard E, Bayliss A, Beck JW,
Blackwell PG, Bronk Ramsey C, Buck CE, Cheng H, Edwards RL, Friedrich
M, Grootes PM, Guilderson TP, Haflidason H, Hajdas I, Hatté C, Heaton
TJ, Hoffmann DL, Hogg AG, Hughen KA, Kaiser KF, Kromer B, Manning SW,
Niu M, Reimer RW, Richards DA, Scott EM, Southon JR, Staff RA, Turney
CSM, van der Plicht J (2013) < doi:10.2458/azu_js_rc.55.16947> Soulet G
(2015) < doi:10.1016/j.quageo.2015.05.023> Stuiver M, Braziunas TF
(1993) < doi:10.1017/S0033822200013874> .
|
RPM found in directory: /packages/linux-pbone/ftp5.gwdg.de/pub/opensuse/repositories/devel:/languages:/R:/autoCRAN/15.6/x86_64 |
