Abstract
Preliminary investigations show regional differences in atmospheric 14C activity archived in tree‐ring cellulose may reflect oceanic and atmospheric shifts associated with ENSO (El Niño‐Southern Oscillation) events. Much of the shared variation between sites in Washington and Arizona can be attributed to global forcings such as anthropogenic 14C‐depleted CO2 emissions and modulation of 14C 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 Δ14C data sets may provide a proxy indicator of ENSO phenomenon.
| Original language | English |
|---|---|
| Pages (from-to) | 439-442 |
| Number of pages | 4 |
| Journal | Geophysical Research Letters |
| Volume | 20 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - 1 Jan 1993 |
Fingerprint
Keywords
- spatial variation of annual tree‐ring 14C
- paleoclimatic ENSO indicator
- tree‐ring cellulose
Cite this
}
A possible paleoclimatic ENSO indicator in the spatial variation of annual tree‐ring 14C. / Jirikowic, John L.; Kalin, Robert M.
In: Geophysical Research Letters, Vol. 20, No. 6, 01.01.1993, p. 439-442.Research output: Contribution to journal › Article
TY - JOUR
T1 - A possible paleoclimatic ENSO indicator in the spatial variation of annual tree‐ring 14C
AU - Jirikowic, John L.
AU - Kalin, Robert M.
PY - 1993/1/1
Y1 - 1993/1/1
N2 - Preliminary investigations show regional differences in atmospheric 14C activity archived in tree‐ring cellulose may reflect oceanic and atmospheric shifts associated with ENSO (El Niño‐Southern Oscillation) events. Much of the shared variation between sites in Washington and Arizona can be attributed to global forcings such as anthropogenic 14C‐depleted CO2 emissions and modulation of 14C 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 Δ14C data sets may provide a proxy indicator of ENSO phenomenon.
AB - Preliminary investigations show regional differences in atmospheric 14C activity archived in tree‐ring cellulose may reflect oceanic and atmospheric shifts associated with ENSO (El Niño‐Southern Oscillation) events. Much of the shared variation between sites in Washington and Arizona can be attributed to global forcings such as anthropogenic 14C‐depleted CO2 emissions and modulation of 14C 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 Δ14C data sets may provide a proxy indicator of ENSO phenomenon.
KW - spatial variation of annual tree‐ring 14C
KW - paleoclimatic ENSO indicator
KW - tree‐ring cellulose
UR - http://www.scopus.com/inward/record.url?scp=0027426616&partnerID=8YFLogxK
U2 - 10.1029/93GL00498
DO - 10.1029/93GL00498
M3 - Article
VL - 20
SP - 439
EP - 442
JO - Geophysical Research Letters
JF - Geophysical Research Letters
SN - 0094-8276
IS - 6
ER -