Strengthened East Asian summer monsoons during a period of high-latitude warmth? Isotopic evidence from Mio-Pliocene fossil mammals and soil carbonates from northern China

Passey, Benjamin H.; Ayliffe, Linda K.; Kaakinen, Anu; Zhang, Zhaoqun; Eronen, Jussi T.; Zhu, Yanming; Zhou, Liping; Cerling, Thure E.; Fortelius, Mikael

doi:10.1016/j.epsl.2008.11.008

Cited by 164 publications

(151 citation statements)

References 59 publications

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“…Notably, most records from these four regions have shown drying and cooling trends during the Miocene (e.g., Europe: Mosbrugger et al, 2005;Utescher et al, 2007;Jiménez-Moreno et al, 2010;high-latitudes: White et al, 1997; East Asia and South Asia: Quade et al, 1989Quade et al, , 1995Wang et al, 2001;Clift, 2006;Clift et al, 2008;Passey et al, 2009;Wan et al, 2010). In the western Qaidam Basin, the long-term trends of xerophytic percentages, coniferous percentages and ln (NAP/AP) covering 18-5 Ma and 3.1-0 Ma further support this model.…”

Section: Global Cooling and Tibetan Plateau Upliftsupporting

confidence: 49%

“…9b). Such clear relationships can also explain the climatic trends in Eurasia (e.g., Lu et al, 2010;Tang et al, 2011;Miao et al, 2011) and the Asian monsoonal region (e.g., Quade et al, 1989Quade et al, , 1995Passey et al, 2009).…”

Section: Global Cooling and Tibetan Plateau Upliftmentioning

confidence: 99%

“…Theoretically, the climate in the Qaidam Basin could be influenced by the retreat or expansion of the Asian monsoon; the closer the region to the boundary, the stronger effect the monsoon has. However, it is very difficult to separate effects of the Asian monsoon from those of the global cooling, especially as evidence has now shown that the Asian monsoon intensity also decreased during the global cooling (e.g., Jiang and Ding, 2008;Passey et al, 2009;Miao et al, 2012). Some alternative conclusions have also been presented (e.g., Ding et al, 1992;An et al, 2001), and Oard's (1990) model can also explain the relationship between the Asian summer monsoon strength and global cooling (e.g., Clift, 2006;Wan et al, 2007Wan et al, , 2010Clift et al, 2008;Passey et al, 2009): the Asian monsoon should have expanded in the early Miocene due to higher water vapor contents under higher temperatures.…”

Section: Asian Monsoonmentioning

confidence: 99%

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Late Cenozoic continuous aridification in the western Qaidam Basin: evidence from sporopollen records

Miao

Fang

et al. 2013

Clim. Past

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Cenozoic climate changes in inner Asia provide a basis for understanding linkages between global cooling, the Tibetan Plateau uplift, and possibly the development of the East Asian monsoon. Based on a compilation of palynological results from the western Qaidam Basin, this study reconstructed a 15-million-year (Ma) record of changing vegetation and paleoclimates spanning the middle Miocene to present (comprising two series: ~ 18–5 Ma and ~ 3.1–0 Ma, respectively). The thermophilic percentages were highest between 18 and 14 Ma, and decreased after 14 Ma, closely corresponding to the Middle Miocene Climatic Optimum (MMCO) between 18 and 14 Ma and the following global climatic cooling between 14 and 5 Ma. At the same time, decreases in the xerophytic and coniferous taxa percentages, and the increasing logarithmic ratio of non-arboreal pollen to arboreal pollen (ln (NAP/AP)), reveal the continuous aridification across both the basin and surrounding mountains. Between ~ 3.1 and 0 Ma, the percentages of the thermophilic, xerophytic and coniferous pollen as well as the ln (NAP/AP) imply further cooling and drying in this region since 3.1 Ma. We argue that these vegetation and climate patterns during the late Cenozoic western Qaidam Basin are primarily a result of the global cooling, with the Tibetan Plateau uplift and East Asian summer monsoon having contributions of lesser importance

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Section: Global Cooling and Tibetan Plateau Upliftsupporting

confidence: 49%

Section: Global Cooling and Tibetan Plateau Upliftmentioning

confidence: 99%

Section: Asian Monsoonmentioning

confidence: 99%

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Late Cenozoic continuous aridification in the western Qaidam Basin: evidence from sporopollen records

Miao

Fang

et al. 2013

Clim. Past

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“…The cooling in Siberia is demonstrated in the Late Miocene and Pliocene based on carpological data, and is even more pronounced in winter than in summer (Popova et al 2012). Aridification during the late Miocene to the Pliocene is marked by an increase in C 4 plants (Jia et al 2003, Kaakinen et al 2006, Passey et al 2009). This is worth noting because the development of C 4 vegetation can enhance an increase in aridity (Hay et al 2002).…”

Section: Aridification Of North and West Chinamentioning

confidence: 99%

“…Several proxies have been used to study the evolution of the monsoon in the Neogene in China: carbon isotopic data (Kaakinen et al 2006, Passey et al 2009), oxygen isotopic data (Dettman et al 2003, Kaakinen et al 2006, Nd isotopic data (Garzione et al 2005), granulometry (Rea et al 1998, Vandenberghe et al 2004, Fan et al 2006, Guo et al 2008, marine sediments (Chen et al 2003, Jia et al 2003, Wan et al 2007, Steinke et al 2010, palaeomagnetic data , Qiang et al 2001, Guo et al 2002, hypsodonty , and the palaeobotanical record (Sun & Wang 2005, Song et al 2008, Jiang & Ding 2009, Sun & Zhang 2008, Xia et al 2009, Jacques et al 2011a, Yao et al 2011, Xie et al 2012. Most of these studies concern one or two sites; only a few gather information at a regional level or all around China (Sun & Wang 2005, Song et al 2008, Jiang & Ding 2009, Yao et al 2011.…”

mentioning

confidence: 99%

Neogene zonal vegetation of China and the evolution of the winter monsoon

Jacques¹,

Shi²,

Wang³

2012

Bull. Geosci.

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When considering global change in China, it is important to understand how the strength of the monsoon has responded to changes in climate in the past. Here, we use a semi-quantitative reconstruction method, the Integrated Plant Record (IPR) vegetation analysis, to reconstruct the Neogene vegetation of China. The IPR method focuses on the taxonomic, physiognomic and autecological characteristics of fossil plants, whatever the organs concerned, such as palynomorph, diaspore, leaf and wood. Our study includes 107 Neogene fossil assemblages from 74 localities. There is an increase in the broad-leaved deciduous component in the northern areas during the Neogene. This is consistent with global cooling in the Neogene. At the same time, an increase of sclerophyllous and herbaceous components in west, central and north China occurs, which is indicative of aridification. There is no noticeable change in the vegetation of south China at that time. The Pliocene is characterised by an increasing contrast in vegetation between south and north China. The aridification of north China is due to a strengthening of the winter monsoon. Because there is no major change in the vegetation of south China, the weakening of East Asian summer monsoon is improbable. The Pliocene cooling is responsible for colder winters in Siberia, and the winter high pressure over Siberia becomes higher. As a result, the winter monsoon winds are stronger. The evolution of the summer and winter monsoons is not coupled.•

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The stable isotope ecology of Pan in Uganda and beyond

Loudon

Sandberg

Wrangham

et al. 2016

American J Primatol

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Stable isotope analysis has long been used to study the dietary ecology of living and fossil primates, and there has been increasing interest in using stable isotopes to study primate habitat use and anthropogenic impacts on non-human primates. Here, we examine the stable carbon and nitrogen isotope compositions of chimpanzees (Pan troglodytes) from seven communities in Uganda across a continuum of habitat structure (closed to more open) and access to anthropogenic resources (no reliance to heavy reliance). In general, the hair δ(13) C, but not δ(15) N, values of these communities vary depending on forest structure and degree of anthropogenic influence. When integrated with previously published hair δ(13) C and δ(15) N values for Pan, it is apparent that modern "savanna" and "forest" Pan form discrete clusters in carbon and nitrogen isotope space, although there are exceptions probably relating to microhabitat specialization. The combined dataset also reveals that Pan δ(13) C values (but not δ(15) N values) are inversely related to rainfall (r(2) = 0.62). We converted Pan hair δ(13) C values to enamel equivalents and made comparisons to the fossil hominoids Sivapithecus sp., Gigantopithecus blacki, Ardipithecus ramidus, and Australopithecus anamensis. The δ(13) C values of the fossil hominins Ar. ramidus and Au. anamensis do not cluster with the δ(13) C values of modern Pan in "forest" habitats, or with fossil hominoids that are believed to have inhabited forests. Am. J. Primatol. 78:1070-1085, 2016. © 2016 Wiley Periodicals, Inc.

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Strengthened East Asian summer monsoons during a period of high-latitude warmth? Isotopic evidence from Mio-Pliocene fossil mammals and soil carbonates from northern China

Cited by 164 publications

References 59 publications

Late Cenozoic continuous aridification in the western Qaidam Basin: evidence from sporopollen records

Late Cenozoic continuous aridification in the western Qaidam Basin: evidence from sporopollen records

Neogene zonal vegetation of China and the evolution of the winter monsoon

The stable isotope ecology of Pan in Uganda and beyond

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