The coral grayness in northern South China Sea and its description of interdecadal variation of precipitation in south China

Gu, Donghong; Wang, Dongxiao; Sun, Deqiang; Gao, Rongzhen; Ji, Zhong-Ping

doi:10.1007/s11434-006-9059-1

Cited by 2 publications

(4 citation statements)

References 15 publications

(15 reference statements)

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“…There is a grouping of the first nine eigenvalues followed by the remaining eigenvalues (not shown), which form the mildly sloping and flattening out "tail" of the SSA spectrum. Percentage of variance of the mode for the given period suggests that the 204-year-long coral record is dominated by interdecadal and decadal variability [18], superimposed on a long-term trend (10.8% of the total variance explained). The secular trend is displayed in Figure 3(b).…”

Section: Secular Trend Of Coral Skeletal Densitymentioning

confidence: 99%

“…Corals from tropical oceans, one of the well-known proxies of climate records providing indirect measurements of the physical and chemical characteristics of past environmental conditions, have been widely used to study the past climate change. Since the establishment of the relationship between 18 O/ 16 O ratio in corals and temperature, sea surface temperature (SST) and sea surface salinity (SSS) reconstructed from coral skeletons are widely used in studying climate change [8]. Recently, according to boron isotopic compositions in a ~300-year-old massive Porites coral from the southwestern Pacific, Pelejero et al [9] presented a reconstruction of seawater pH spanning the last three centuries, ~50-year cycle variations in pH co-vary with the interdecadal Pacific oscillation of ocean-atmosphere anomalies.…”

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confidence: 99%

“…Although the geochemical proxies such as δ 18 O, Mg/Ca ratios, and Sr/Ca ratios in coral skeletal chemistry are used by many researchers, high cost and time-consuming of measurement procedures limit the efficiency of extracting the environmental information from the coral. Another limitation is that sophisticated isotopes or geochemical proxy indices can mostly reconstruct only one environmental variable [10].…”

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confidence: 99%

“…The growth band for the coral has been applied to study the interdecadal variations of rainfall in Guangzhou [18]. The SCS, located in the Asian-Australian monsoon system, plays an important role in the regional and global climate [19].…”

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Anthropogenic climate change revealed by coral gray values in the South China Sea

Wang

Gao

et al. 2010

Chin. Sci. Bull.

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The authors analyze the coral growth band from a colony in the northwestern South China Sea. The coral growth band can provide comprehensive environmental information on climate. The trend from the two-century-long annual density of the coral is in a good agreement with that of the global CO 2 concentration. Both trends were small prior to the end of the 19th century; after that, trends became clear, more so from the 1960s to the 1990s (the end of the coral record). The overall coral density shows a steady decrease from the late 19th century to the late 20th century. Therefore, the trend from the annual density of the coral reveals the history of the anthropogenic climate change, which is coherent with instrumental and other proxy records. We propose a simple coral-based proxy for reconstructing the anthropogenic climate change over the past two centuries. coral growth band, climate change, South China SeaCitation:

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Section: Secular Trend Of Coral Skeletal Densitymentioning

confidence: 99%

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confidence: 99%

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confidence: 99%

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