Enhanced soil respiration, vegetation and monsoon precipitation at Lantian, East Asia during Pliocene warmth

Wang, Kexin; Lu, Huayu; Garzione, Carmala N.; Zhao, Lin; Liang, Chenghong; Li, Shuyue; Breecker, Daniel O.; Lei, Fang; Zhang, Hongyan

doi:10.1007/s00382-022-06243-y

Cited by 6 publications

(8 citation statements)

References 56 publications

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“…Notably, obliquity forcing significantly increases in MS records from Chinese loess‐paleosol sequences at 2.75–2.59 Ma (Sun, Clemens, et al., 2006, 2010). Spectral analysis of previously published carbonate content data in the Plio‐Pleistocene eolian Red Clay at the Lantian section (K. X. Wang et al., 2022; western part of Fenwei Basin) also shows a very similar evolution, with a prevalence of obliquity after 2.6 Ma (Figure S4 in Supporting Information ), corroborating the regional nature of the observed change.…”

Section: Discussionsupporting

confidence: 77%

East Asian Monsoonal Climate Sensitivity Changed in the Late Pliocene in Response to Northern Hemisphere Glaciations

Zhang

Licht

Vleeschouwer

et al. 2022

Geophysical Research Letters

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Section: Discussionsupporting

confidence: 77%

East Asian Monsoonal Climate Sensitivity Changed in the Late Pliocene in Response to Northern Hemisphere Glaciations

Zhang

Licht

Vleeschouwer

et al. 2022

Geophysical Research Letters

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“…The δ 13 C c across the CLP increased toward the north throughout the Pliocene‐Pleistocene periods, supporting the primary control of regional aridity on δ 13 C c by modulating soil respiration rate (Da et al., 2020; K. Wang, Lu, Garzione, et al., 2022). Moreover, compared to the southern sites, δ 13 C c records in the north show a higher amplitude of fluctuations during the late Miocene to early Pliocene, indicating a higher sensitivity to aridity under lower moisture availability (Gallagher et al., 2021).…”

Section: Discussionmentioning

confidence: 71%

“…The δ 13 C c across the CLP increased toward the north throughout the Pliocene-Pleistocene periods, supporting the primary control of regional aridity on δ 13 C c by modulating soil respiration rate (Da et al, 2020;K. Wang, Lu, Garzione, et al, 2022).…”

Section: Stable Carbon Isotopic Compositions Of Calcite Nodules (δ 13...mentioning

confidence: 65%

“…Notably, the δ 13 C c from multiple sections across the CLP show different trends during the mPWP (Figures 2f-2i). The δ 13 C c anomaly is likely complicated by factors other than regional hydrology, including an expansion of regional C 4 plants as evidenced by the δ 13 C of soil organic matter (Gallagher et al, 2021;K. Wang, Lu, Garzione, et al, 2022) and potential changes in atmospheric CO 2 levels (de la Vega et al, 2020).…”

Section: The Late Pliocene Onset and Intensification Of Regional Dryingmentioning

confidence: 99%

“…In addition, phytolith assemblages from the southern CLP indicate substantial changes in regional vegetation at ∼4.0 Ma, from warm‐ and humid‐adapted C 4 grasses to cold‐ and dry‐adapted C 3 grasses (H. Wang et al., 2019). Moreover, the δ 13 C of soil carbonate, an indicator of regional aridity (Da et al., 2020), shows enhanced aridification during the late Pliocene across the CLP (Gallagher et al., 2021; K. Wang, Lu, Garzione, et al., 2022). Such discrepancy likely arises from different controlling mechanisms for each proxy.…”

Section: Introductionmentioning

confidence: 99%

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A Humid East Asia During the Early Pliocene Indicated by Calcite Nodules From the Chinese Loess Plateau

Breecker

et al. 2023

Paleoceanog and Paleoclimatol

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The East Asian monsoon system dominates the regional hydrology of East Asia, which hosts one-third of the world's population. It is thus critical to quantify the dynamics of the East Asian hydroclimate in the context of anthropogenic warming. The warm intervals of the Pliocene Epoch (5.33-2.58 Ma), including the most intensively studied mid-Pliocene Warm Period (mPWP, 3.264-3.025 Ma), are considered the closest climate analog of the mid-twenty-first century (Burke et al., 2018;Haywood et al., 2016), with atmospheric CO 2 levels ranging between 300 and 450 ppm (de la Vega et al., 2020;Martinez-Boti et al., 2015). A comprehensive understanding of regional climate during this time could better inform us about the potential hydrological variations over East Asia in response to future climate change. Sitting on its northern border, the Chinese Loess Plateau (CLP) captures the nuances of the East Asian summer monsoon (An et al., 2014), manifested by the sizable climatic gradient from southeast to northwest (Figure 1). The Neogene global cooling and the high relief of the Tibetan Plateau led to the desertification of inland Asia and increased meridional thermal gradient (An et al., 2001;Lu et al., 2010;Richter et al., 2022), facilitating the deflation and entrainment of eolian dust from high-latitude deserts to the CLP by the northwesterly surface winds generated by the Siberian high (i.e., winter monsoon) (Maher, 2016). Alternatively, modern observations indicate maximum dust transport in spring dust storms initiated by cold air outbreaks (Roe, 2009). On the other hand, the summer monsoon brings moisture and heat from the low-latitude Indian and Pacific Oceans (Chiang et al., 2020), promoting subsequent pedogenesis. Eolian deposits on the CLP consist of two parts: (a) the Pleistocene loess-paleosol sequence, characterized by fossil soils (paleosols) formed during

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A discussion on carbon and oxygen isotopes of secondary carbonates in loess-paleosol sequences

Luo,

Liu,

2024

Chemical Geology

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Enhanced soil respiration, vegetation and monsoon precipitation at Lantian, East Asia during Pliocene warmth

Cited by 6 publications

References 56 publications

East Asian Monsoonal Climate Sensitivity Changed in the Late Pliocene in Response to Northern Hemisphere Glaciations

East Asian Monsoonal Climate Sensitivity Changed in the Late Pliocene in Response to Northern Hemisphere Glaciations

A Humid East Asia During the Early Pliocene Indicated by Calcite Nodules From the Chinese Loess Plateau

A discussion on carbon and oxygen isotopes of secondary carbonates in loess-paleosol sequences

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