A 300 000-yr coral reef record of sea level changes, Mururoa atoll (Tuamotu archipelago, French Polynesia)

Camoin, Gilbert; Ebren, P.; Eisenhauer, Anton; Bard, Édouard; Faure, G.

doi:10.1016/s0031-0182(01)00378-9

Cited by 119 publications

(120 citation statements)

References 44 publications

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“…The most spectacular and most comprehensive reef history was recovered, when applying the techniques of inclined drilling into the Mururoa Atoll. Camoin et al (2001) were able to demonstrate that during all marine isotope stages reefs existed back to MIS 11. Even the MIS 4 showed reefs in these inclined drill holes, a time during which reefs are believed to be absent (see Camoin et al 2001).…”

Section: Coral Growthmentioning

confidence: 93%

Coral growth and reef growth: a brief review

Dullo

2005

Facies

145

120

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The growth potential of modern zooxanthellate corals from the major reef provinces is reviewed with respect to Holocene reef growth. Both coral growth and reef growth is enhanced globally at the beginning of the Holocene and is maintained regionally in the Caribbean Sea up to the present in contrast to reefs of the Indo-Pacific Ocean. This regional difference is mainly caused by the siphoning effect of the tropical Atlantic, which is characterised still by a rising sea level in contrast to global ocean. Hence, Indo-Pacific reefs exhibit a well-cemented reef crest and reef roof barren of living corals. The evaluation of reef growth rates throughout the Phanerozoic shows reduced growth rates of more than one order of magnitude in comparison to their modern counterparts. This is a result of compaction and diagenesis but also strongly biased by uncertainties in absolute dating. Point counting of individual framebuilders with known growth rate may result in more comparative figures for growth rates of fossil reefs with respect to modern ones.

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Section: Coral Growthmentioning

confidence: 93%

Coral growth and reef growth: a brief review

Dullo

2005

Facies

145

120

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“…The most common reef terraces and associated coral assemblages, for instance, are generally interpreted as indicating deposition between mean low tide level and 5 m below mean low tide level (Lighty et al, 1982;Camoin et al, 2001). Intertidal sedimentary facies indicate deposition within the tidal range.…”

Section: Nature Of the Indicators And Depositional Rangesmentioning

confidence: 99%

Probabilistic assessment of sea level during the last interglacial stage

Kopp¹,

Simons²,

Mitrovica³

et al. 2009

Nature

695

578

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The Last Interglacial (LIG) stage (ca. 130-115 ka), with polar temperatures likely 3-5 • C warmer than today, serves as a partial analogue for low-end future warming scenarios. Multiple indicators suggest that LIG global sea level (GSL) was higher than at present; based upon a small set of local sea level indicators, the Intergovernmental Panel on Climate Change (IPCC)'s Fourth Assessment Report inferred an elevation of approximately 4-6 m. While this estimate may be correct, it is based upon overly simplistic assumptions about the relationship between local sea level and global sea level. Sea level is often viewed as a simple function of changing global ice volume. This perspective neglects local variability, which arises from several factors, including the distortion of the geoid and the elastic and isostatic deformation of the solid Earth by shifting ice masses. Accurate reconstruction of past global and local sea levels, as well as ice sheet volumes, therefore requires integrating globally distributed data sets of local sea level indicators. To assess the robustness of the IPCC's global estimate and search for patterns in local sea level that are diagnostic of meltwater sources, we have compiled a comprehensive database that includes a variety of local sea level indicators from 47 localities, as well as a global sea level record derived from oxygen isotopes. We generate a global synthesis from these data using a novel statistical approach that couples Gaussian process regression to Markov Chain Monte Carlo simulation of geochronological errors. Our analysis strongly supports the hypothesis that global sea level during the Last Interglacial was higher than today, probably peaking between 6-9 m above the present level. This level is close to that expected from the complete melting of the Greenland Ice Sheet, or from major melting of both the Greenland and West Antarctic Ice Sheets. In the period when sea level was within 10 m of the modern value, the fastest rate of sea level rise sustained for a 1 ky period was likely about 80-110 cm per century. Combined with the evidence for mildly higher temperatures during the LIG, our results highlight the vulnerability of ice sheets to even relatively low levels of sustained global warming.

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“…Evidence of long-term, homogeneous reef deposition that have operated in response to stable conditions was recorded from a number of Indo-Pacific reef sites. In particular, coralgal framework facies of uniform composition throughout a given unit were described in Holocene to Pleistocene sequences from Tahiti (Cabioch et al, 1999b;, Mururoa Atoll (Camoin et al, 2001), Australian Great Barrier Reef (Webster and Davies, 2003) and Toliara, Madagascar (Camoin et al, 2004).…”

Section: Paleoenvironmental Successionsmentioning

confidence: 99%