Coral reef carbonate record of the Pliocene-Pleistocene climate transition from an atoll in the South China Sea

Jiang, Wei; Yu, Kefu; Fan, Tianlai; Xu, Shendong; Wang, Rui; Zhang, Yu; Yue, Yuanfu; Zhao, Jian‐xin; Feng, Yuexing; Wei, Chaoshuai; Wang, Shaopeng; Wang, Yinghui

doi:10.1016/j.margeo.2019.02.006

Cited by 23 publications

(9 citation statements)

References 82 publications

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“…Isolated from the mainland by deepwater troughs since the Early Cenozoic, Yongle atoll was far away from siliciclastic sediment sources Wu et al, 2014;Wu et al, 2016). CK-2 core drilled on Chenhang Island (Jiang et al, 2019). The SiO 2 content of the lagoon core may also relate to the proliferation of algal organisms (Swart, 2015), which was found in a recent study of mesophotic coral reefs (Abbey et al, 2013).…”

Section: Sources Of Major Componentsmentioning

confidence: 82%

“…The SCS is the largest marginal sea in East Asia, covering an area of 3.5 × 10 5 km 2 across more than 20 of northern latitude from the equator (Figure 1). Its marginal setting means that a large part of the SCS is dominated by terrigenous sediments from the surrounding landmasses (Jiang et al, 2019;Liu et al, 2019;Liu, Han, Wu, & Ju, 1998;Wu et al, 2014;Wu et al, 2016). Coral reefs are well developed on the separated continental terranes, and correspond to a CaCO 3 production rate of >21.4 Mt/yr (Yu, 2012).…”

Section: Geological Settingmentioning

confidence: 99%

“…Detailed studies have been conducted on two cores from Chenhang Island: well XC-1 in the 1980s and well CK-2 drilled in 2013 (Jiang et al, 2019;Wang et al, 2018). These cores have provided essential data regarding biostratigraphy, lithology, human development, and palaeoenvironment.…”

Section: Geological Settingmentioning

confidence: 99%

“…As the largest atoll with extensive coral reef development in the Xisha archipelago, Yongle atoll has been a natural laboratory for studies of tropical coral reef systems (Chen et al, 2018;Jiang et al, 2019;Wang et al, 2018;Zhao et al, 2016Zhao et al, , 2017. Tides, wave-induced currents, storms and anthropogenic activity impact the Holocene sedimentary record of coral reef islands (Kench & Mann, 2017;Kench, McLean, Owen, Tuck, & Ford, 2018;Liu et al, 2011;Liu et al, 2016;Xu et al, 2010;Xu et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

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Late Holocene lagoon succession and its response to environmental variations at Yongle atoll, Xisha Islands, South China Sea

Chen

Liu

et al. 2021

Geological Journal

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Tropical coral reef lagoons that are characterized by high deposition rates are potentially useful for high-resolution palaeoenvironmental reconstructions. We present the geochemical and accelerator mass spectrometry (AMS) 14 C-dating data of a 113-cm gravity core obtained from the Yongle atoll lagoon in the South China Sea. The core record preserves a continuous 1,500-year depositional history of the back-reef lagoon environment, with sedimentation rates varying from 0.55 to 1.55 mm yr −1 (mean of 0.74 mm yr −1 ). Calcium carbonate (CaCO 3 ) production was calculated based on the sediment accumulation rates and sediment density to be 807 g m −2 yr −1 . The geochemical records of the studied core displayed a progressively increasing trend of storms over the past 1,500 years. The stable carbon and oxygen isotopes of the lagoon sediment have the potential to record monsoon intensity. The lagoon system of the Yongle atoll appears to have been influenced by minor terrestrial input from 1,500 calendar years before present (cal yr BP) to 500 cal yr BP, and by a strong anthropogenic influence over the past 200 years.

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Section: Sources Of Major Componentsmentioning

confidence: 82%

Section: Geological Settingmentioning

confidence: 99%

Section: Geological Settingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Late Holocene lagoon succession and its response to environmental variations at Yongle atoll, Xisha Islands, South China Sea

Chen

Liu

et al. 2021

Geological Journal

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“…This novel evidence suggests that deep submerged speleothems may be a promising fingerprint for Pleistocene low sea levels. 1A), which consists of highly porous carbonate corals and coralline algae bindstones that initially developed in the early Miocene (19.6 Ma) with a volcanic base belonging to the Xisha uplift (Jiang et al, 2019). Based on a lithological study of a CK-2 borehole from nearby Chenhang Island, the bottom of SYBH approximately matches with an interface of ~4.0 Ma (Fan et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Deep submerged speleothems in the Sansha Yongle Blue Hole (South China Sea) as determination of low sea levels during the Last Glacial Maximum

Duan

Zhao

et al. 2022

Front. Mar. Sci.

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Although Last Glacial Maximum (LGM) sea levels have been the focus of much attention in climate and marine sciences, the timing, duration, and magnitude need further research. Here we present observations and analyses of the deepest speleothems (-116 m) collected from the deepest known blue hole on a global scale, the Sansha Yongle Blue Hole, Xisha Islands, South China Sea. The field investigations illustrate that submerged speleothems are irregular cauliflower-like coatings on the downward cave ceiling from water depths of ~90 to 120 m. The downward growth direction and negative stable carbon and oxygen stable isotopes of submerged speleothems suggest that they may deposit in an air-filled condition through gravity drip, indicating the maximum LGM sea level. The deep submerged speleothems were dated, indicating two U–Th ages of 29.16 ± 0.17 and 26.04 ± 0.18 ka BP and one radiocarbon age of 18.64 ± 0.12 ka BP, respectively. The investigated deep submerged speleothems therefore clearly determine the minimum onset and maximum termination times for LGM terms of sea level. The results show that LGM began at ~29 ka BP and ended at ~18.5 ka BP. This study therefore provides initial evidence for the use of deep speleothems to determine LGM sea levels and emphasizes the importance of deep submerged speleothems in the reconstruction of Pleistocene low sea levels.

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Facies character and geochemical signature in the late Quaternary meteoric diagenetic carbonate succession at the Xisha Islands, South China Sea

Chen

Huang

et al. 2021

Acta Oceanol. Sin.

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Coral reef carbonate record of the Pliocene-Pleistocene climate transition from an atoll in the South China Sea

Cited by 23 publications

References 82 publications

Late Holocene lagoon succession and its response to environmental variations at Yongle atoll, Xisha Islands, South China Sea

Late Holocene lagoon succession and its response to environmental variations at Yongle atoll, Xisha Islands, South China Sea

Deep submerged speleothems in the Sansha Yongle Blue Hole (South China Sea) as determination of low sea levels during the Last Glacial Maximum

Facies character and geochemical signature in the late Quaternary meteoric diagenetic carbonate succession at the Xisha Islands, South China Sea

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