Paleosecular variations of the geomagnetic field during the Holocene from Eastern Asia

Yang, Xiaoqiang; Liu, Qingsong; Yu, Kefu; Huang, Wuqing; Zhu, Liping; Zhang, Huodai; Liu, Jian; Li, Jinhua

doi:10.1016/j.pepi.2016.03.004

Cited by 9 publications

(22 citation statements)

References 67 publications

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“…Before the Holocene, that record shows a geomagnetic excursion at 20 ka and three large amplitude PSV swings at 41, 61, and 67 ka. Besides the above common characteristics, the PSV record from HML when compared with that from Erhai Lake also shows a similar inclination peak at~3,600-3,400 (Peck et al, 1996), (c) Erhai Lake (Hyodo et al, 1999), (d) South China Sea (Yang et al, 2016), and (e) Shuangchiling (SCL; Yang et al, 2009). The relative declination also shows similar features such as slightly eastward trends at~4,600 BCE and 400 BCE to 200 CE.…”

Section: Psv Comparison With Other Records From East Asiamentioning

confidence: 66%

“…For 8,000-7,000 BCE, the inclinations from HML show a striking resemblance with the CALS10K.1b model within age uncertainty, whereas they are slightly higher than CALS10K.2 and HFM.OL1. However, deemed robust sediment records from South China such as SCL (Yang et al, 2009) and the northern South China Sea (Yang et al, 2016) and quite a few archeological and volcanic data from Japan also document this inclination low (Figure 9). During 4,500-1,000 BCE, the inclinations from HML are in excellent agreement with the prediction of CALS10K.1b; they are generally higher than the predictions of the CALS10K.2, HFM.OL1.…”

Section: Comparison With Model Predictionsmentioning

confidence: 99%

“…Taking advantage of the longevity of Chinese civilization and abundant archeological artifacts, Cai et al (2015Cai et al ( , 2017Cai et al ( , 2014Cai et al ( , 2016 established a PSV and archaeointensity reference curve for Eastern Asia spanning the last 8,000 years with materials varying from baked clay, pottery, and porcelain to slag. Additionally, several PSV curves from lake and marine sediments spanning the Holocene in China were also obtained in recent years (Yang et al, 2009(Yang et al, , 2012(Yang et al, , 2016Zheng et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

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Paleomagnetic Secular Variation and Relative Paleointensity During the Holocene in South China—Huguangyan Maar Lake Revisited

Sheng

Wang

Dekkers

et al. 2019

Geochem Geophys Geosyst

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The scarcity of reliable paleomagnetic secular variation (PSV) records from East Asia especially from low‐latitude regions impedes better understanding of global PSV mechanisms. Here we report on a radiocarbon‐dated Holocene PSV record from a composite ~6.7‐m‐long core collected from the high‐sedimentation‐rate Huguangyan Maar Lake (HML) in subtropical‐tropical South China. Rock magnetic results demonstrate that the natural remanent magnetization resides in single‐domain magnetite. Alternating field demagnetization experiments at 1‐cm spacing on u‐channel samples reveal six distinct inclination highs at ~7,500 BCE, ~5,100 BCE, ~4,600 BCE, ~3,600–3,400 BCE, ~1,600–1,200 BCE, and 600–800 CE; three inclination lows at ~4,800 BCE, ~600–300 BCE, and ~1,000–1,300 CE; and three eastward declination trends at ~3,600–3,200 BCE, ~2,600–2,400 BCE, and 400 BCE to 200 CE. The similarity between the HML PSV record and other independently dated records from East Asia and geomagnetic field models corroborates the robustness of our age model and Holocene PSV record. Strikingly, centennial‐ to millennial‐scale PSV features of the HML are comparable, within age uncertainties, with other Holocene records from Europe, North America, and Canada, suggesting that such directional patterns are likely to be hemispheric in scale. Although relative paleointensity data of HML are affected by environmental factors (e.g., organic matter diagenesis), the record still provides a regionally important new PSV reference curve whose conspicuous features may serve as stratigraphic markers for East Asian paleorecords.

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Section: Psv Comparison With Other Records From East Asiamentioning

confidence: 66%

Section: Comparison With Model Predictionsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Paleomagnetic Secular Variation and Relative Paleointensity During the Holocene in South China—Huguangyan Maar Lake Revisited

Sheng

Wang

Dekkers

et al. 2019

Geochem Geophys Geosyst

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“…interval; Chen et al, ), >0.85 for ODP1146 (Kissel et al, ), >0.9 for Qd34 (∼14–0 kyr B.P. ; Yang et al, ), 0.9–0.98 for PC24 (∼30–0 kyr B.P., unpublished age data; Ouyang et al, ), and >0.85 for PC83 and PC111 (older than 120 kyr B.P. ; Yang et al, ; Figure a).…”

Section: Discussionmentioning

confidence: 97%

“…The Qiongdongnan Basin (QB) is delineated by the black closed curve. Cores ODP1144 (Hu et al, ), STD111 (Yang et al, ), MD12–3432 (Chen et al, ), ODP1146 (Kissel et al, ), Qd34 (Yang et al, ), PC24 (Ouyang et al, ), PC83 (Yang et al, ), and PC111 (Yang et al, ) in the northern SCS have also been studied magnetically. Cores STAT22 (Cui et al, ), X2 (Xu et al, ), 337PC (Wan et al, ), and Site 38 (Liu et al, ) were used for provenance studies.…”

Section: Introductionmentioning

confidence: 99%

Influence of Sea Level Change and Centennial East Asian Monsoon Variations on Northern South China Sea Sediments Over the Past 36 kyr

Ouyang

Roberts

et al. 2018

Geochem Geophys Geosyst

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South China Sea (SCS) sediments can provide important paleoclimate records because of their generally high deposition rates and strong regional influence of East Asian summer monsoon (EASM) variations. However, interpretation of sedimentary records from the northwestern SCS slope is complicated because sedimentation is sensitive to sea level and provenance variations. We seek to develop a paleoclimatic record of SCS sediments by analyzing sediment magnetic properties over the past ∼36 kyr from core PC338. The dominant magnetic minerals are magnetite and hematite in most parts of the core. The hematite concentration increased profoundly over the ∼15–32 kyr B.P. period when sea level was lower than −90 m below the present level. This suggests that Red River inputs were enhanced significantly in this period. Moreover, increased coarse magnetite contents were recorded in association with an enhanced East Asian winter monsoon (EAWM) during the Last Glacial Maximum and Heinrich event 1. Low‐field and frequency‐dependent magnetic susceptibility variations were coeval with EASM‐controlled climate change recorded in South China and the SCS over the past 15 kyr, probably because regional terrestrial weathering and erosion of iron‐bearing minerals, and their transportation are dominated by climate. Rhythmic coarsening of Holocene magnetic mineral concentrations coincided with global cooling events, which indicates that core PC338 also contains signals of enhanced EAWM variations. The study demonstrates that magnetic proxies are indicative of sediment supply and deposition variations on the SCS continental slope that are useful for understanding the effects of sea level and climate change on SCS sediments.

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Dating the Hemudu Neolithic rice cultivation site, East China, by paleomagnetic chronostratigraphy

Zheng

Guo

et al. 2021

Palaeogeography, Palaeoclimatology, Palaeoecology

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Paleosecular variations of the geomagnetic field during the Holocene from Eastern Asia

Cited by 9 publications

References 67 publications

Paleomagnetic Secular Variation and Relative Paleointensity During the Holocene in South China—Huguangyan Maar Lake Revisited

Paleomagnetic Secular Variation and Relative Paleointensity During the Holocene in South China—Huguangyan Maar Lake Revisited

Influence of Sea Level Change and Centennial East Asian Monsoon Variations on Northern South China Sea Sediments Over the Past 36 kyr

Dating the Hemudu Neolithic rice cultivation site, East China, by paleomagnetic chronostratigraphy

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