Preface for the article collection “Land–Ocean Linkages under the Influence of the Asian Monsoon”

Tada, Ryuji; Murray, Richard W

doi:10.1186/s40645-016-0100-y

Cited by 17 publications

(12 citation statements)

References 11 publications

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“…Bars in light and dark shades of blue and dark blue arrows indicate the brief history of Northern Hemisphere and Antarctic ice sheets. Black bars marked with (ii) and (iii) show the temporal uplift pulses of the Tibetan Plateau (TP), which is adapted from 4 . Note that the initial uplift pulse (i) is older (ca.…”

mentioning

confidence: 99%

The emergence of Miocene reefs in South China Sea and its resilient adaptability under varying eustatic, climatic and oceanographic conditions

Mathew

Makhankova

Menier

et al. 2020

Sci Rep

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During the Miocene, extensive carbonate deposition thrived over wide latitudinal ranges in SoutheastAsia despite perturbations of the global climate and thermohaline circulation that affected the Asian continent. nevertheless, the mechanisms of its emergence, adaptability in siliciclastic-dominated margins and demise, especially in southern South china Sea (ScS), are largely speculative and remains enigmatic along with a scarcity of constraints on paleoclimatic and palaeoceanographic conditions. Here we show, through newly acquired high-resolution geophysical data and accurate stratigraphic records based on strontium isotopic dating, the evolution of these platforms from ~15.5-9.5 Ma is initially tied to tectonics and eustasy, and ultimately, after ~9.5 Ma, to changes in the global climate patterns and consequent palaeoceanographic conditions. our results demonstrate at least two paleodeltas that provided favourable substratum of elevated sand bars, which conditioning the emergence of the buildups that inadvertently mirrored the underlying strata. We show unprecedented evidences for ocean current fluctuations linked to the intensification of the Asian summer monsoon winds resulting in the formation of drifts and moats, which extirpated the platforms through sediment removal and starvation. this work highlights the imperative role of palaeoceanography in creating favourable niches for reefal development that can be applicable to carbonate platforms elsewhere.A gargantuan modification of the planetary climate system and the thermohaline circulation patterns occurred in the Cenozoic with the inflection point being diffused from exceptionally critical tectonic processes that affected Asia 1,2 . At ca. 24 Ma, in close proximity to the Oligocene-Miocene boundary, the continent experienced a transformation of climatic processes from a latitudinal zonal circulation pattern to a monsoon-dominated configuration along with the evanescing of an extensively prevalent subtropical-aridity across Asia and the inception of aridity that was exclusively restricted to the hinterland of eastern Asia 3 . The Asian continent experienced a dynamic climate transition that was instigated by the Paleocene-Eocene collision of the Indian Plate with Asia and the resulting progressive uplift of the Tibetan Plateau (TP). This caused an array of feedbacks that significantly strengthened monsoon-inducing atmospheric circulation with each of its major orogenic pulses 4 (i.e., at (i) ca. and (iii) ca. 15-10 Ma [refer to Fig. 1 for (ii) and (iii)]). Over a span of ~30 Ma, the stepwise exhumation of the TP governed an accelerated amplification of firstly, the Indian Summer Monsoon (ISM) and the Somali Jet with the initial pulse of uplift; secondly, the Southeast Asian Monsoon, the East Asian Summer Monsoon (EASM) and the East Asian Winter Monsoon (EAWM) with 40% uplift of the TP; and lastly, the further intensification of the EASM and EAWM with 80% uplift of the TP 5,6 (Fig. 1). This last uplift

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confidence: 99%

The emergence of Miocene reefs in South China Sea and its resilient adaptability under varying eustatic, climatic and oceanographic conditions

Mathew

Makhankova

Menier

et al. 2020

Sci Rep

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“…In the East Asian/Pacific region, the Holocene climate has been shown to vary considerably, with several abrupt (centennial-scale) warming and cooling phases, likely caused by fluctuations in the behaviour of the East Asian Monsoon (EAM; Wang et al, 2005;Sagawa et al, 2014;Tada and Murray, 2016). Despite the regional and global importance of this climate system, its causal relationship to both external (e.g., orbital, solar and volcanic) and internal forcing remains poorly understood (Morrill et al, 2002;Park, 2017).…”

Section: Constraining Holocene Climate Intervals Using Tephra Layersmentioning

confidence: 99%

Integrating the Holocene tephrostratigraphy for East Asia using a high-resolution cryptotephra study from Lake Suigetsu (SG14 core), central Japan

McLean

Albert

Nakagawa

et al. 2018

Quaternary Science Reviews

107

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“…It is generally assumed that one of the most active chemical weathering scenarios globally occurs in the high Himalaya, as a result of the ongoing uplift of the Himalayan-Tibetan Plateau and the heavy rains associated with the Indian-Asian monsoon, which is also linked with the North Pacific monsoon (e.g., Tada and Murray 2016;Clift 2017;Dado and Takahashi 2017). Gaillardet et al (1999) compiled dissolved major ion data in Himalayan Rivers and reported high chemical weathering rates for silicate in the Ganges-Brahmaputra and Ayeyarwady Rivers, and for carbonate in the Yangtze River.…”

Section: Long-term Neutralizing Process Against Enhanced Pcomentioning

confidence: 99%

Perspective on the response of marine calcifiers to global warming and ocean acidification—Behavior of corals and foraminifera in a high CO2 world “hot house”

Kawahata

Fujita

Iguchi

et al. 2019

Prog Earth Planet Sci

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The CO 2 concentration of air has increased over the last two centuries and recently surpassed 400 ppm. Carbon cycle models project CO 2 concentrations of 720 to 1000 ppm for the IPCC intermediate scenario (RCP 6.0), resulting in an increase in global mean temperature of~2.6°C and a decrease in seawater pH of~0.3. Together, global warming and ocean acidification are often referred to as the "evil twins" of climate change, potentially inducing severe threats in the near future. In this paper, our discussion is focused on the response of two major calcifiers, foraminifera and corals, which contribute much to the global carbonate burial rate. Photosymbiosis is regarded as an adaptive ecology for living in warm and oligotrophic oceans, especially for reef-building corals and larger reefdwelling benthic foraminifera. As a consequence of global warming, bleaching may be a global threat to algal symbiont-bearing marine calcifying organisms under conditions of high temperature and light intensity. If CO 2 is dissolved in seawater, the partial pressure of CO 2 in seawater (pCO 2) and dissolved inorganic carbon (DIC) increases while pH and the saturation state of carbonate minerals decreases without any change in total alkalinity. Generally, marine calcifying organisms show decreases in calcification rates in response to acidified seawater. However, the response often differs depending on situations, species, and life-cycle stage. Some benthic foraminifera showed a positive response to low pH conditions. The Acropora digitifera coral calcification of adult branches was not reduced markedly at higher pCO 2 conditions, although calcification tended to decrease versus pCO 2 in both aposymbiotic and symbiotic polyps. New analytical technologies help identify important constraints on calcification processes. Based upon Ca isotopes, the transport path of Ca 2+ and the degree of its activity would predominantly control the carbonate precipitation rate. Visualization of the extracellular pH distribution shows that proton pumping produces the high internal pH and large internal-external pH gap in association with foraminiferal calcification. From the perspective of a long-term change in the Earth's surface environment, foraminifera seem to be more adaptive and robust than corals in coping with ocean warming and acidification but it is necessary to further understand the mechanisms underlying variations in sensitivity to heat stress and acidified seawater for future prediction. Since CO 2 is more soluble in lower temperature seawater, ocean acidification is more critical in the polar and high-latitude

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Preface for the article collection “Land–Ocean Linkages under the Influence of the Asian Monsoon”

Cited by 17 publications

References 11 publications

The emergence of Miocene reefs in South China Sea and its resilient adaptability under varying eustatic, climatic and oceanographic conditions

The emergence of Miocene reefs in South China Sea and its resilient adaptability under varying eustatic, climatic and oceanographic conditions

Integrating the Holocene tephrostratigraphy for East Asia using a high-resolution cryptotephra study from Lake Suigetsu (SG14 core), central Japan

Perspective on the response of marine calcifiers to global warming and ocean acidification—Behavior of corals and foraminifera in a high CO2 world “hot house”

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