A 200-year coral stable oxygen isotope record from a high-latitude reef off Western Australia Export

@article{citeulike:3126083, abstract = {Abstract\ \  A core from a coral colony of Porites lutea was analysed for stable oxygen isotopic composition*. A 200-year proxy record of sea surface temperatures from the Houtman Abrolhos Islands off west Australia was obtained from coral δ18O. At 29′S, the Houtman Abrolhos are the southernmost major reef complex of the Indian Ocean. They are located on the path of the Leeuwin Current, a southward flow of warm, tropical water, which is coupled to Indonesian throughflow. Coral δ18O primarily reflects local oceanographic and climatic variability, which is largely determined by spatial variability of the Leeuwin Current. However, coherence between coral δ18O and the current strength itself is relatively weak. Evolutionary spectral and singular spectrum analyses of coral δ18O demonstrate a high variability in spectral composition through time. Oscillations in the 5–7-y, 14–15-y, and quasi-biennial bands reflect teleconnections of local sea surface temperature (SST) to tropical Pacific climate variability. Deviations between local (coral-based) and regional (instrument) SST contain a cyclic component with a period of 15 y. Coral δ18O suggests a rise in SST by 0.6 ′C since AD 1944, consistent with available instrumental SST records. A long-term warming by 1.4 ′C since AD 1795 is inferred from the coral record.}, author = {Kuhnert, H. and P\"{a}tzold, J. and Hatcher, B. and Wyrwoll, K. H. and Eisenhauer, A. and Collins, L. B. and Zhu, Z. R. and Wefer, G.}, citeulike-article-id = {3126083}, citeulike-linkout-0 = {http://dx.doi.org/10.1007/s003380050147}, day = {15}, doi = {10.1007/s003380050147}, journal = {Coral Reefs}, keywords = {australia, coral, current, isotopes, leeuwin, stable}, month = {April}, number = {1}, pages = {1--12}, posted-at = {2008-08-15 20:36:55}, priority = {2}, title = {A 200-year coral stable oxygen isotope record from a high-latitude reef off Western Australia}, url = {http://dx.doi.org/10.1007/s003380050147}, volume = {18}, year = {1999} }

TY - JOUR ID - citeulike:3126083 L3 - citeulike-article-id:3126083 N2 - Abstract   A core from a coral colony of Porites lutea was analysed for stable oxygen isotopic composition*. A 200-year proxy record of sea surface temperatures from the Houtman Abrolhos Islands off west Australia was obtained from coral δ18O. At 29′S, the Houtman Abrolhos are the southernmost major reef complex of the Indian Ocean. They are located on the path of the Leeuwin Current, a southward flow of warm, tropical water, which is coupled to Indonesian throughflow. Coral δ18O primarily reflects local oceanographic and climatic variability, which is largely determined by spatial variability of the Leeuwin Current. However, coherence between coral δ18O and the current strength itself is relatively weak. Evolutionary spectral and singular spectrum analyses of coral δ18O demonstrate a high variability in spectral composition through time. Oscillations in the 5–7-y, 14–15-y, and quasi-biennial bands reflect teleconnections of local sea surface temperature (SST) to tropical Pacific climate variability. Deviations between local (coral-based) and regional (instrument) SST contain a cyclic component with a period of 15 y. Coral δ18O suggests a rise in SST by 0.6 ′C since AD 1944, consistent with available instrumental SST records. A long-term warming by 1.4 ′C since AD 1795 is inferred from the coral record. IS - 1 JF - Coral Reefs EP - 12 TI - A 200-year coral stable oxygen isotope record from a high-latitude reef off Western Australia VL - 18 SP - 1 KW - australia KW - coral KW - current KW - isotopes KW - leeuwin KW - stable AU - Kuhnert, H AU - Pätzold, J AU - Hatcher, B AU - Wyrwoll, KH AU - Eisenhauer, A AU - Collins, LB AU - Zhu, ZR AU - Wefer, G PY - 1999/04/15/ UR - http://dx.doi.org/10.1007/s003380050147 ER -