A possible paleoclimatic enso indicator in the spatial variation of annual tree-ring C-14
Jirikowic, J.L. and Kalin, R. (1993) A possible paleoclimatic enso indicator in the spatial variation of annual tree-ring C-14. Geophysical Research Letters, 20 (6). pp. 439-442. ISSN 0094-8276
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Preliminary investigations show regional differences in atmospheric C-14 activity archived in tree-ring cellulose may reflect oceanic and atmospheric shifts associated with ENSO (El Nino-Southern Oscillation) events. Much of the shared variation between sites in Washington and Arizona can be attributed to global forcings such as anthropogenic C-14-depleted CO2 emissions and modulation of C-14 production. The contrasted residual variation between the Washington and Arizona data sets correlates with the annual Southern Oscillation Index (SOI) of the previous year. The spatial differences between DELTAC-14 data sets may provide a proxy indicator of ENSO phenomenon.
| Creators(s): | Jirikowic, J.L. and Kalin, R.; | Item type: | Article |
|---|---|
| ID code: | 16301 |
| Keywords: | tree-ring cellulose, oceanic and atmospheric shifts, ENSO events, El Nino-Southern Oscillation events, Engineering (General). Civil engineering (General), Geophysics, Earth and Planetary Sciences(all) |
| Subjects: | Technology > Engineering (General). Civil engineering (General) |
| Department: | Faculty of Engineering > Civil and Environmental Engineering |
| Depositing user: | Prof Robert M Kalin |
| Date deposited: | 17 Nov 2010 14:54 |
| Last modified: | 20 Aug 2020 07:07 |
| URI: | https://strathprints.strath.ac.uk/id/eprint/16301 |
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