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A preliminary integrated analysis of regional paleoclimate variations in China over the past ∼ 21 ka Glob. Planet. Change (IF 4.0) Pub Date : 2024-07-14 Huayu Lu, Yan Zhao, Xiangdong Yang, Haibing Wu, Cheng Zhao, Jingjing Wang, Xiaoyong Wang, Xueyuan Kuang, Xiaojian Zhang, Chunmei Ma, Fuzhi Lu, Xiayun Xiao, Wenchao Zhang, Hanlin Wang, Zhiwei Xu, Jun Cheng, Zhuo Zheng, Feng Shi, Enlou Zhang, Chen Liang, Zhenghui Huang, Chenghong Liang, Shuangwen Yi, Jiang Wu, Kehan Shao, Yao Gu, Hongyan Zhang, Xusheng Li, Zhiyong Han, Xianyan Wang, Sumin Wang, Zhengtang
In this study, we employ biological, geochemical and mineral, and physical proxies to quantitatively and semi-quantitatively reconstruct regional paleoclimate variations in China over the past ∼21 thousand years (ka). We have constructed state-of-the-art transfer functions between proxies and climatic variables in East Asia, revealing substantial paleoclimate variability, and demonstrate significant
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Isotopically light Mo in sediments of methane seepage controlled by the benthic Fe–Mn redox shuttle process Glob. Planet. Change (IF 4.0) Pub Date : 2024-07-14 Xiaoming Miao, Jiangong Wei, Jingrui Li, Xiting Liu, Dong Wang, Jie Li, Xiuli Feng
Methane seepage has been extensively observed in various continental margin settings. It has profound effects on the marine redox environment and the molybdenum (Mo) cycles in marine sediments. Therefore, there has been much recent attention on the redox-sensitive behavior of Mo in methane seepage environments. However, the characteristics of the Mo isotope composition in the cold-seep system remain
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Impacts of climate change on the geographic distribution patterns of pelagic fishes in the Southern Ocean Glob. Planet. Change (IF 4.0) Pub Date : 2024-06-30 Yifan Zhai, Yugui Zhu, Daomin Peng, Jiansong Chu
Pelagic fishes are a key trophic component of the Southern Ocean ecosystem. However, understanding the spatial and temporal changes in geographic distribution patterns of pelagic fishes in the context of climate change remains limited. This research applied the MaxEnt model to project the distributions of current and future (2100s) suitable habitats for ten major pelagic fish species in the Southern
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The joint effects of the El Niño-Southern Oscillation and Arctic Oscillation on tropical Indian Ocean heat flux during boreal winter Glob. Planet. Change (IF 4.0) Pub Date : 2024-06-29 Yi Chen, Yiwen Shi, Daoyi Gong
In this study, the joint effects of the El Niño-Southern Oscillation (ENSO) and Arctic Oscillation (AO) on winter net surface heat flux () anomalies over the tropical Indian Ocean (TIO) are investigated for the 1979/1980–2017/2018 period. The results show that, in multisource datasets, the pattern for El Niño plus positive AO cases is the most robust. The major feature of is dominated by a significant
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Mongolia dust transport across borders under the background of global warming Glob. Planet. Change (IF 4.0) Pub Date : 2024-06-28 Yue Zhang, Yu Chen, Siyu Chen, Khan Alam, Junyan Chen
Mongolia's ecosystem has suffered severe damage due to factors such as global warming, population growth, and land management change. In this regard, Mongolia's dust (MD) events have significantly impacted the social and economic development of both local and surrounding areas. The transport of MD significantly impacts the dust concentrations in China, and should not be ignored. To address this issue
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Linking Taiwan to the Cathaysia Block during the Cenozoic: Evidence from Pb isotopes in detrital K-feldspar Glob. Planet. Change (IF 4.0) Pub Date : 2024-06-28 Ce Wang, Liangjie Wei, Cheng-Shing Chiang, David A. Foster, Heqi Cui, Ming Su
The Cenozoic sedimentary rocks on the island of Taiwan hold significant implications for understanding tectonic and drainage evolutions in SE China, but the provenance of these rocks remains controversial. Here we derived Pb isotopes in detrital K-feldspars from the drainage systems in western Taiwan to evaluate the provenance of sediments and reveal the evolution of Cenozoic sedimentary. Our findings
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New insights on the interannual surface mass balance variability on the South Shetland Islands glaciers, northerly Antarctic Peninsula Glob. Planet. Change (IF 4.0) Pub Date : 2024-06-28 Christian Torres, Deniz Bozkurt, Tomás Carrasco-Escaff, Jordi Bolibar, Jorge Arigony-Neto
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Hydroclimate variability in the Tropical Andes recorded by δ18O isotopes from a new network of Polylepis tarapacana tree-rings Glob. Planet. Change (IF 4.0) Pub Date : 2024-06-28 Claudio Álvarez, Duncan A. Christie, Álvaro González-Reyes, Thomas T. Veblen, Gerhard Helle, Carlos LeQuesne, Milagros Rodriguez-Caton, Paul Szejner, Felipe Flores-Sáez, Tania Gipoulou-Zúñiga, Manuel Suazo-Álvarez, Tomás Muñoz-Salazar, Diego Aliste, Mariano S. Morales, Ariel Muñoz, Ricardo Villalba
Stable oxygen isotopes records (δO) in tree-rings are commonly used to assess the response of trees to environmental variability being a valuable tool for studying past climate at different temporal and spatial scales. This is particularly relevant in semi-arid regions like the southern Tropical Andes, where ongoing environmental changes coincide with a rapidly increasing demand for hydrological resources
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Spatiotemporal distribution and morphological diversity of the Cambrian Wiwaxia: New insights from South China Glob. Planet. Change (IF 4.0) Pub Date : 2024-06-28 Haijing Sun, Fangchen Zhao, Ruolin Wu, Han Zeng, Zhixin Sun
is a well-known Cambrian animal and a relative of annelids and molluscs, characterized by its densely arranged, imbricated dorsal sclerites. Despite its prevalence in the fossil record, the scarcity of articulated specimens leading to persistent uncertainties regarding its morphological diversities and evolutionary history has fueled ongoing investigations. This study presents an additional articulated
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Spatial heterogeneity, terminus environment effects and acceleration in mass loss of glaciers and ice caps across Greenland Glob. Planet. Change (IF 4.0) Pub Date : 2024-06-28 Michael Grimes, Jonathan L. Carrivick, Mark W. Smith
Greenland's peripheral glaciers and ice caps (GICs) contribute significant amounts of meltwater to the oceans but also affect local economies and livelihoods. Here we created multi-temporal geodetic elevation change datasets to compute mass changes for 6149 glaciers around the entire periphery of Greenland. These glaciers have lost a total of at least 276 ± 55 Gt of ice, or 0.76 ± 0.15 mm sea level
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Skill of isotope-enabled climate models for daily surface water vapour in East Asia Glob. Planet. Change (IF 4.0) Pub Date : 2024-06-27 Shengjie Wang, Yuqing Qian, Kei Yoshimura, Hayoung Bong, Camille Risi, Zhongwang Wei, Hongxi Pang, Wei Xiao, Shijun Lei, Meng Xing, Pei Zhao, Huawu Wu, Yudong Shi, Di Wang, Mingjun Zhang
The isotope-enabled general circulation models (GCM) have been widely applied to simulate the variability of stable isotopes in meteoric water at various time scales. The in-situ observations of water vapour isotopes are an important basis for assessing the performance of isotope-enabled GCMs, although they are still limited. Here we compiled the observations of near-surface water vapour isotopes on
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Extremely 26Mg-enriched authigenic clays from the Ediacaran Doushantuo Formation (South China) indicating the coupled carbonate-silicate diagenesis Glob. Planet. Change (IF 4.0) Pub Date : 2024-06-25 Tianzheng Huang, Bing Shen, Xiaoli Wang, Haoran Ma, Chao Li, Chuanming Zhou
In the aftermath of Marinoan global glaciation (∼650–635 Ma), the deglacial intense continental weathering tended to dramatically lower the atmospheric pCO level, potentially driving the Earth back to the glacial climatic condition. However, the resultant global cooling and glaciation did not occur. The CO drawdown by continental weathering might have been compensated by additional CO release via reverse
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Precipitation mechanism of Mn ore deposits in the Datangpo Formation, Nanhua Basin, South China Glob. Planet. Change (IF 4.0) Pub Date : 2024-06-24 Hua Chen, Haifeng Fan, Danish Khan, Xi Jiang, Lianjun Feng, Hanjie Wen, Huanhuan Tian, Xiangkun Zhu
During the interglacial period of the Cryogenian glaciation, the extensive “Datangpo-type” manganese ores were deposited in the Nanhua Basin. However, there has been significant controversy over the precipitation mechanism of manganese for decades. Based on iron and nitrogen isotope data from the manganese ores of the Datangpo Formation in Chongqing (South China), combined with previous research, we
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Ultraselective enrichment of trace elements in seawater by Co-rich ferromanganese nodules Glob. Planet. Change (IF 4.0) Pub Date : 2024-06-18 Jiangbo Ren, Gaowen He, Yong Yang, Miao Yu, Yinan Deng, Yuntian Pang, Bin Zhao, Huiqiang Yao
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Particle size shapes prokaryotic communities and vertical connectivity in the water columns of the slope and central basin of the South China Sea Glob. Planet. Change (IF 4.0) Pub Date : 2024-06-17 Zhonglin Ma, Paraskevi Mara, Lei Su, Long Wang, Huifang Li, Rui Zhang, Virginia P. Edgcomb, Jiangtao Li
Sinking of organic matter represents an essential mechanism for sequestration of carbon that is exported from the ocean surface to deeper depths. While recent studies have highlighted the important role of microorganisms in the biological pump, the impact of sinking particles on the vertical connectivity of microbial communities has received limited attention. In this study, we present the microbial
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Editorial preface to special issue: Cenozoic climate change in Asia in honour of Prof. Zhengtang Guo Glob. Planet. Change (IF 4.0) Pub Date : 2024-06-15 Chenglong Deng, Zhongshi Zhang, Qiuzhen Yin
The Asian monsoon has progressively become a megamonsoon system since the early Cenozoic. To improve our understanding of the complex nature of the Asian monsoon system, involving strong interactions between atmospheric, oceanic and terrestrial systems across different timescales, we present this special issue, entitled . The special issue is dedicated to Prof. Zhengtang Guo in honour of his distinguished
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Past and future joint return period of precipitation extremes over South Asia and Southeast Asia Glob. Planet. Change (IF 4.0) Pub Date : 2024-06-12 V.M. Reddy, Litan Kumar Ray
Climate change is one of the major reasons for the increased intensity and frequency of precipitation extremes in tropical regions. This will have a significant impact on underdeveloped countries in South Asia and Southeast Asia. Therefore, this study analyzes changes in spatiotemporal patterns and the joint behavior of precipitation extremes across South Asian and Southeast Asian countries for the
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Marine sulfate sulfur isotopic evidence for enhanced terrestrial weathering and expansion of oceanic anoxia during the Devonian-Carboniferous transition Glob. Planet. Change (IF 4.0) Pub Date : 2024-06-08 Jiangsi Liu, Genming Luo, Thomas J. Algeo, Wenkun Qie, Le Yao, Junhua Huang, Shucheng Xie
The Hangenberg mass extinction during the Devonian-Carboniferous (D-C) transition represents one of the largest biodiversity losses of the Phanerozoic, while the underlying cause remains controversial. An improved understanding of the contemporaneous sulfur cycle can provide insights into the latest Devonian environmental changes that potentially affected marine biotas. Here, we report on a high-resolution
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Changes in pCO2 and climate paced by grand orbital cycles in the late Cenozoic Glob. Planet. Change (IF 4.0) Pub Date : 2024-06-07 Yifei Zhang, Qiang Fang, Huaichun Wu, Christian Zeeden, Ying Cui, Meinan Shi, Shihong Zhang, Tianshui Yang, Haiyan Li
As one of the most important greenhouse gases, CO is considered a major controlling factor of Earth's climate over geological timescales. However, the origins of quasi-periodic fluctuations in CO on a million-year timescale remain unclear. Here, we used published datasets of atmospheric CO, oxygen isotopes of benthic foraminifera (δO) and global mean sea-level (GMSL) from 23 Ma to the present to explore
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Changes in soil organic carbon, total nitrogen and total phosphorus in 2000–2020 and their driving mechanisms in Tibetan alpine grasslands Glob. Planet. Change (IF 4.0) Pub Date : 2024-05-31 Guangyu Zhang, Gang Fu
Soil organic carbon (SOC), total nitrogen (TN), total phosphorus (TP) and their ratios are important parts of global carbon, nitrogen and phosphorus cycle, but their responses to climate change and human activities remain controversial in alpine grasslands of the Tibetan Plateau. In this study, we quantified the influences of climate change and human activities on SOC, TN, TP and their ratios at three
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Rock glacier distribution across the Himalaya Glob. Planet. Change (IF 4.0) Pub Date : 2024-05-31 Stephan Harrison, Darren B. Jones, Adina E. Racoviteanu, Karen Anderson, Sarah Shannon, Richard A. Betts, Ruolin Leng
In High Mountain Asia, human-induced climate warming threatens the cryosphere. Expected long-term reductions in future runoff from glacial catchments raises concerns regarding the sustainability of these natural ‘water towers’ and the implications of reduced water availability for regional human and ecological systems. Ice-debris landforms (I-DL), containing ice whether moving or not include rock glaciers
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Contributions of China's terrestrial ecosystem carbon uptakes to offsetting CO2 emissions under different scenarios over 2001–2060 Glob. Planet. Change (IF 4.0) Pub Date : 2024-05-31 Mengyang Xu, Ziyu Zhang, Chao Yue, Jie Zhao, Pengyi Zhang, Mengyu Wang, Jiaming Wang, Hongfei Zhao, Jinyue Liu, Xianhui Tang, Junhao He
China is committed to achieving carbon neutrality by 2060, which requires that CO emissions from fossil fuels and industrial processes (referred to as CO emissions) be offset by carbon uptake through its terrestrial ecosystems. This study quantified the contributions of China's terrestrial carbon sinks to offsetting CO emissions over 2001–2060 by combining vegetation model simulations and multiple
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Aridity shifts in the MENA region under the Paris Agreement climate change scenarios Glob. Planet. Change (IF 4.0) Pub Date : 2024-05-28 Mohammed Magdy Hamed, Mohamed Tarek Sobh, Zulfiqar Ali, Mohamed Salem Nashwan, Shamsuddin Shahid
This study assessed the future shifts in aridity in the Middle East and North Africa (MENA) region, considering the scenarios set by the Paris Climate Agreement. This is achieved by utilizing eight General Circulation Models (GCMs) from the latest Coupled Model Intercomparison Project (CMIP6) version, simulating temperature rise of 1.5 and 2.0 °C. Potential Evapotranspiration (PET) was estimated using
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Re-evaluating the origins of sands in the Gurbantunggut Desert and its role as an aeolian dust contributor Glob. Planet. Change (IF 4.0) Pub Date : 2024-05-27 Yue Li, Yougui Song, Yu’an Guo, Peng Liang, Xiuling Chen, Jingyun Xiao, Shukhrat Shukurov, Yudong Li
We analyzed the trace and rare earth element contents of the desert sands and loess deposits in the Junggar Basin. Combined with previously published data, and using principal component analysis, our results provide insights into the sand provenances of the Gurbantunggut Desert in eastern Central Asia (CA); the genetic links between deserts and loess deposits in CA; and the specific sources in CA for
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Geological study of an outburst flood event in the upper Yangtze River and risk of similar extreme events Glob. Planet. Change (IF 4.0) Pub Date : 2024-05-24 Gang Hu, Guanghui Dong, Tao Liu, Rui Min, Zhijian Yang, Qihui Gao, Huiying Wang, Ping Wang, Jie Chen, Jiafu Zhang, Changsong Wang, Chaoying Zhao, Aimin Zhang
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Heterogeneous coupling of δ13Corg and δ13Ccarb during the Shuram Excursion: Implications for a large dissolved organic carbon reservoir in the Ediacaran ocean Glob. Planet. Change (IF 4.0) Pub Date : 2024-05-23 Haodong Gu, Jun Hu, Meng Cheng, Haiyang Wang, Matthew S. Dodd, Zihu Zhang, Thomas J. Algeo, Chao Li
The Ediacaran ocean recorded the largest negative carbonate carbon isotope (δC) excursion in Earth's history, the Shuram Excursion (SE). The relatively invariant character of organic carbon isotope (δC) profiles during the SE has been attributed to buffering by a large dissolved organic carbon (DOC) reservoir in the ocean. However, recent studies suggest that the DOC buffering may have been highly
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Warming and drying increased the interspecies consistency of tree-ring lignin methoxy δ2H variability at the alpine treeline Glob. Planet. Change (IF 4.0) Pub Date : 2024-05-23 Qiangqiang Lu, Xiaohong Liu, Xiaomin Zeng, Guobao Xu, Liangju Zhao, Xingxing Gao, Zhikun Chen, Jun Liu, Shuangxi Li
Climate warming-induced changes in the hydrological habitat for the alpine treeline can significantly impact tree growth and community dynamics. However, composite indicators that capture typical alpine species' responses to temperature and precipitation are lacking. This study investigates the use of the H values of lignin methoxy groups (H) from the dominant deciduous conifer tree () and evergreen
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Rising risks of hydroclimatic swings: A large ensemble study of dry and wet spell transitions in North America Glob. Planet. Change (IF 4.0) Pub Date : 2024-05-20 Wooyoung Na, Mohammad Reza Najafi
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Significant terrigenous dilution affected biogenic deposits in the Bay of Bengal during the last deglaciation to glaciation Glob. Planet. Change (IF 4.0) Pub Date : 2024-05-19 Zhuoya Qiu, LanLan Zhang, Yiping Yang, Yun Huang, Rong Xiang, Zhong Chen
The coupling relationship between biogenic deposits and productivity may vary across different stages or regions. To explore the responses of biogenic deposits to productivity since the last glacial period, we analyzed multiproxy biogenic deposit data from Core YDY09 in the Bay of Bengal (BoB) spanning the past 30 ka. We first observed that the trends of biogenic depositional records (radiolarians
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Landscape evolution in the southern Transantarctic Mountains during the early Miocene (c. 20–17 Ma) and evidence for a highly dynamic East Antarctic Ice Sheet margin from the southernmost volcanoes in the world (87°S) Glob. Planet. Change (IF 4.0) Pub Date : 2024-05-17 J.L. Smellie, K.S. Panter, W.C. McIntosh, K.J. Licht
Observations of ice sheet stability in Antarctica in the past, during significantly warmer climatic periods than today, are hampered by a paucity of continental outcrops but they are essential if we are to test and more fully understand established concepts of ice sheet growth and decay and robustly predict Earth's future during rapid global warming. In this paper we use the unique terrestrial record
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And now for something completely random: spatial distribution of Dickinsonia on the Ediacaran seafloor Glob. Planet. Change (IF 4.0) Pub Date : 2024-05-17 Phillip C. Boan, Scott D. Evans, Mary L. Droser
The oldest evidence of motile complex benthic multicellular organisms is found in Ediacaran aged rocks. At Nilpena Ediacara National Park (NENP), South Australia, one of the most iconic of such organisms, are found in abundance, with over 500 individuals preserved across the site's 33 in situ, fossiliferous beds. These beds vary in mat type and maturity, community diversity and population size. Here
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Tracing the centennial variation of East Asian Summer Monsoon Glob. Planet. Change (IF 4.0) Pub Date : 2024-05-15 Heng Fu, Feng Shi, Wei Liu, Huihong Xue, Wenmin Man, Juan Li, Zhengtang Guo
The centennial-scale variation of the East Asian Summer Monsoon (EASM) circulation has a long-term impact on regional ecosystems, agriculture and water resources. However, the feature and underlying mechanism of the centennial-scale variation in the monsoon system are not well-understood, largely due to the limited meteorological instrumental observation. This study concurrently harnesses the outcomes
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Biogeochemical traces and microbe-mineral interactions in the hyperarid core of the Atacama Desert Glob. Planet. Change (IF 4.0) Pub Date : 2024-05-13 Isabel Prater, Helge Mißbach-Karmrodt, Kathrin König, Daniel Friedrich, Christine Heim
Life found various ways to thrive in hostile desert environments. Common adaptation mechanisms are protection against desiccation and UV radiation in biofilms and biocrusts as well as the hypolithic and endolithic colonization of rocks. One of those hostile regions is the Atacama Desert in Northern Chile with its hyperarid core, counted among the most arid places on Earth. Besides the aridity, life
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Southward shift of the westerly jet intensified late Holocene dust storms on the Tibetan Plateau Glob. Planet. Change (IF 4.0) Pub Date : 2024-05-09 Jianbao Liu, Zhitong Chen, Shengqian Chen
The climate change on the Tibetan Plateau (TP) exhibits a north-south dipole trend during the Holocene. However, it is unclear whether regional differences exist in the variations and driving mechanisms of dust storm activities across the entire TP, and whether these mechanisms align with those found in monsoonal northern China. Here, we present a high-resolution Holocene record of dust storms from
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Uncovering Holocene climate fluctuations and ancient conifer populations: Insights from a high-resolution multi-proxy record from Northern Finland Glob. Planet. Change (IF 4.0) Pub Date : 2024-05-08 J. Sakari Salonen, Niina Kuosmanen, Inger G. Alsos, Peter D. Heintzman, Dilli P. Rijal, Frederik Schenk, Freja Bogren, Miska Luoto, Annemarie Philip, Sanna Piilo, Liva Trasune, Minna Väliranta, Karin F. Helmens
A series of abrupt climate events linked to circum-North Atlantic meltwater forcing have been recognised in Holocene paleoclimate data. To address the paucity of proxy records able to characterise robustly the regional impacts of these events, we retrieved a sub-centennial resolution, well-dated core sequence from Lake Kuutsjärvi, northeast Finland. By analysing a range of paleo-environmental proxies
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Leeuwin current dynamics in the SE Indian Ocean and implications for regional surface hydrography since the latest Miocene: Results from ODP Site 763A Glob. Planet. Change (IF 4.0) Pub Date : 2024-05-08 Rina Rani Palei, Anil K. Gupta, Prasanta Sanyal, Manoj Kumar Jaiswal
This study examines the relationship between the ocean circulation dynamics in the eastern Indian Ocean and climate variability in Northwest (NW) Australia over the last 6.1 million years. The vertical water column of the southeastern Indian Ocean was analyzed using planktic foraminifera assemblages, and oxygen and carbon isotope ratios of surface and subsurface dwelling foraminifera from Ocean Drilling
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SST and ENSO activity 282,000 years ago reconstructed from Porites coral in the South China Sea Glob. Planet. Change (IF 4.0) Pub Date : 2024-05-05 Shichen Tao, Kam-biu Liu, Hongqiang Yan, Min Meng, Huiling Zhang, Yi Wu, Kefu Yu, Qi Shi
The El Niño-Southern Oscillation (ENSO) is the most influential climatic phenomenon on an interannual timescale. Studying the relationship between sea surface temperature (SST) and ENSO events during typical geological periods is helpful for understanding the trends of ENSO activities in the future, especially under the background of global warming. Here we quantitatively reconstructed a 115-year history
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Sea surface acidification events in the Andaman Sea associated with the last Toba volcanic activity Glob. Planet. Change (IF 4.0) Pub Date : 2024-05-03 Ana Alves, Matthieu Paulhac Buisson, Pascale Louvat, Claire Rollion-Bard, Franck Bassinot, William R. Gray, Guillaume Paris, Benoit Caron, Giulia Del Manzo, Anne Le Friant, Eva Moreno, Annachiara Bartolini
To date, little is known about the impact of super-eruptions on ocean biogeochemistry. Using boron isotopes ratios measured on planktonic foraminifera in the marine sediment core BAR94–25, we provide a high-resolution pH record in the Andaman Sea (North of Sumatra), spanning Marine Isotopic Stage 5 to 3. This transition encompasses the super-eruption of the Toba volcano, 74,000 years ago, making it
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Quantification of Holocene temperatures in the eastern Hunshandake Sandy Land using δ13C of loess organic matter Glob. Planet. Change (IF 4.0) Pub Date : 2024-05-03 Yuqiang Zeng, Xusheng Li, Yujia Liu, Yufang Li, Lisha Qin, Cheng Zhao, Menghui Liu, Yuwen Zhou, Zhiyong Han, Yong Wang, Bin Zhang, Shuangwen Yi
The soil organic carbon isotope indicator (δC) is widely used in paleoecology and paleoclimate reconstruction due to its ability to record the history of paleovegetation change. Although it has been used as a proxy for precipitation reconstruction, increasing evidence suggests that temperature has played a crucial role in influencing the relative abundance of C/C plants in the mid-latitudes during
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Millennial calcification trends in Porites corals: Resilient skeletal density and vulnerable linear extension in response to environmental change Glob. Planet. Change (IF 4.0) Pub Date : 2024-05-03 Guangchao Deng, Xuefei Chen, Huiling Kang, Jian-xin Zhao, Gangjian Wei
Global coral reefs are currently facing widespread declines in calcification rates, a trend that underscores the need to understand variations between calcification in contemporary and ancient corals. This study investigates the changes in coral calcification over the last millennium by analyzing 21 subfossil and 11 modern coral samples from a marginal reef in the northern South China Sea. Our results
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Unstable interdecadal relationship between the Pacific Decadal Oscillation and eastern China summer precipitation in simulated warm interglacial epochs and twenty-first century Glob. Planet. Change (IF 4.0) Pub Date : 2024-05-03 Beilei Wu, Dabang Jiang
The modern connection between the Pacific Decadal Oscillation (PDO) and eastern China summer precipitation (ECSP) at the decadal scale has been extensively studied. However, whether this correlation is stable during the warmer backgrounds in the past and future remains unclear. Clarifying this issue may yield meaningful insights into past PDO reconstruction and decadal climate projection in eastern
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Untangling the dynamics of heavy rainfall events (HRE) in the Northeast monsoon season and exploring its connection to the Indian Ocean warming and the Madden Julian Oscillation Glob. Planet. Change (IF 4.0) Pub Date : 2024-04-30 P.P. Sreekala, Sreevidya Ravi, C.B. Jayasankar, C.A. Babu
Southeastern Peninsular India witnessed heavy rainfall events (HRE) during the recent El Nino year 2015 and La Nina year 2021 in November and early December. Both these events were associated with enhanced easterly wave activity and active Madden Julian Oscillation (MJO) over the Maritime continent. The MJO was on the fourth (MJO-4) phase for 15 and 17 days in November 2015 and 2021 respectively. A
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Asian monsoon variations over the past 21 ka: An introduction Glob. Planet. Change (IF 4.0) Pub Date : 2024-04-29 Huayu Lu, Haibin Wu, Michael Meadows
The Asian monsoon influences the lives of more than a third of the world's population, and understanding its spatial and temporal variability is fundamental to sustainable development. The complex dynamics of this climatic system are therefore of broad scientific and societal interest. In this virtual special issue (VSI), we present 19 papers dealing with the Asian monsoon since the Last Glacial Maximum
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The influence of moisture transport processes on the stable isotopic compositions in precipitation on the South slope of the Himalayas Glob. Planet. Change (IF 4.0) Pub Date : 2024-04-28 Niranjan Adhikari, Jing Gao, Tandong Yao, Aruna Puri, Manli Chen, Aibin Zhao
Understanding spatiotemporal variations in stable isotopes in precipitation (ẟO and ẟD) on the south slope of the Himalayas is crucial for comprehending moisture variations reaching the Tibetan Plateau (TP). Here, we analyze these variations at seven stations in Nepal spanning altitudes from 102 m to 5050 m above sea level in 2017. Our findings show no significant temperature or precipitation amount
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The dominant modes of recent sea level variability from 1993 to 2020 in the China Seas Glob. Planet. Change (IF 4.0) Pub Date : 2024-04-23 Jianlong Feng, Qiaojun Chen, Delei Li, Xinming Yang, Liang Zhao
A better understanding of internal climatic variability is essential for estimating and predicting regional sea level rise in the coming decades. Based on the satellite altimeter data, the cyclostationary empirical orthogonal function (CSEOF) analysis is used to extract and examine the seasonal signal, trend, El Niño-Southern Oscillation (ENSO)-related, and low-frequency mode of sea level anomaly in
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The greening of vegetation on the Loess Plateau has resulted in a northward shift of the vegetation greenness line Glob. Planet. Change (IF 4.0) Pub Date : 2024-04-21 Xiaoyan Song, Peijun Xie, Wenyi Sun, Xingmin Mu, Peng Gao
Vegetation greenness is crucial for assessing vegetation dynamics and evaluating the effectiveness of ecological governance on the Loess Plateau. In this study, we utilized Google Earth Engine (GEE) platform and Landsat image to investigate the spatiotemporal evolution of vegetation greenness and the shift of vegetation greenness lines (VGLs) during the growing season on the Loess Plateau from 1987
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Flow regime alteration in Arctic rivers due to dam operations and climate change Glob. Planet. Change (IF 4.0) Pub Date : 2024-04-19 Epari Ritesh Patro, Sahand Ghadimi, Abolfazl Jalali Shahrood, Nasim Fazel, Olga Makarieva, Ali Torabi Haghighi
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Seep carbonate clumped isotopes revealing ocean warming-induced gas hydrate dissociation Glob. Planet. Change (IF 4.0) Pub Date : 2024-04-18 Lei Liu, Hongxiang Guan, Nengyou Wu, Biao Chang, Fang Chen, Dong Feng, Sanzhong Li
The dissociation of marine methane hydrates due to the increased ocean temperature may be widespread in the context of global warming. However, direct evidence for this phenomenon is limited. Here, we reported the carbon and oxygen isotopes, mineralogy, elements, and clumped isotopes (Δ) of coring seep carbonates (MIS5e) to explore the influence of temperature changes on gas hydrate stability. The
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Variability of leaf wax n-alkanes across gradients of environment and plant functional type in China Glob. Planet. Change (IF 4.0) Pub Date : 2024-04-17 Yaowen Han, Guoan Wang, Qing Sun, Manman Xie
The abundance and distribution of long-chain n-alkanes in sedimentary archives have been proposed as plant-derived paleoenvironmental proxies. The reliable application of these proxies hinges on comprehensive understandings drawn from investigations of living plants. However, previous studies have predominantly relied on narrow environmental gradients and limited datasets sourced from local and regional
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Interaction mechanism of global multiple ocean-atmosphere coupled modes and their impacts on South and East Asian Monsoon: A review Glob. Planet. Change (IF 4.0) Pub Date : 2024-04-17 Guiping Li, Zhongbo Yu, Yanping Li, Chuanguo Yang, Huanghe Gu, Jingwen Zhang, Ya Huang
Interactions among different large-scale ocean-atmosphere coupled modes are exceptionally complex. Diverse scale modes interact through oceanic circulations, ocean-atmosphere heat fluxes, and atmospheric bridges, thus affecting both the global weather system and long-term climate changes. This paper presents a review of the interaction mechanisms among six ocean-atmosphere coupled modes (ENSO, PDO
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Palaeogeographic heterogeneity of large-amplitude changes in marine sedimentation rates during the Carnian Pluvial Episode (Late Triassic) Glob. Planet. Change (IF 4.0) Pub Date : 2024-04-15 Jacopo Dal Corso, Yadong Sun, David B. Kemp
Major environmental changes marked the Carnian (Late Triassic), including global warming and enhanced hydrological cycling linked to multiple carbon cycle perturbations. These perturbations occurred in an interval called the Carnian Pluvial Episode (CPE), between the Julian 1–Julian 2 boundary and the base of the Tuvalian 2 (late early to middle late Carnian). The CPE is linked to pronounced changes
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Editorial preface to special issue: The Earth System during icehouse Climate Modes: Evidence from glacial records in China Glob. Planet. Change (IF 4.0) Pub Date : 2024-04-10 Xianguo Lang, Bing Shen, Jitao Chen, Matthew Dodd
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An updated chronostratigraphic framework for the Cenozoic sediments of southeast margin of the Tibetan Plateau: Implications for regional tectonics Glob. Planet. Change (IF 4.0) Pub Date : 2024-04-10 Shihu Li, Robert A. Spicer, Tao Su, Zhekun Zhou, Chenglong Deng
As one of the most important accommodation zones during the India-Asia collision, the southeast margin of the Tibetan Plateau (SEMTP) is characterized by many large-scale strike-slip faults, a regional low-relief relict that has been deeply incised by several continental scale rivers that originate from central Tibet, and numerous plant and vertebrate fossil biotas residing in Cenozoic sedimentary
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Cycling of rare earth elements at the Precambrian-Cambrian boundary Glob. Planet. Change (IF 4.0) Pub Date : 2024-04-04 J.G.T. Armstrong, J. Parnell
The Great Unconformity at the Precambrian-Cambrian boundary marks a global erosion surface, and a time gap which in places exceeded a billion years. The weathered sub-Cambrian rocks include abundant granites and pegmatites. These rocks and others were mineralized in several regions. The basal Cambrian sediments show that rare commodities including gold and rare earth elements (REEs) were concentrated
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Soil inorganic carbon stock and its changes across the Tibetan Plateau during the 1980s–2020s Glob. Planet. Change (IF 4.0) Pub Date : 2024-04-04 Honghong Lin, Xingwu Duan, Yifan Dong, Ronghua Zhong, Hua Zheng, Yun Xie, Li Rong, Haijuan Zhao, Shengzhao Wei
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Effects of varied modern pollen-climate calibration-set establishment approaches on quantitative climate reconstructions Glob. Planet. Change (IF 4.0) Pub Date : 2024-03-31 Chen Liang, Yan Zhao, Qiaoyu Cui, Zhuo Zheng, Xiayun Xiao, Chunmei Ma
A representative modern calibration dataset is an essential prerequisite for a reliable quantitative reconstruction of paleoclimate. However, there has been a notable lack of systematic research on the optimal filtering of calibration sets. Four representative high-resolution pollen records were selected to repeatedly reconstruct paleoclimate using multiple approaches such as geographical distance
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Orbital hydroclimate variability revealed by grain-size evidence in the tropical Pacific Islands since 140 ka Glob. Planet. Change (IF 4.0) Pub Date : 2024-03-31 Xiaojie Tang, Zhaojie Yu, Zhengyao Lu, Lina Song, Zehua Song, Christophe Colin, Giuseppe Siani, Xiaoying Kang, Fengming Chang, Franck Bassinot, Shiming Wan
The past evolution of precipitation and atmospheric convection in the Western Pacific Warm Pool (WPWP) is critical for global climate changes but is under debate because of its forcing mechanisms. Here, we present a high temporal resolution (∼156 years) grain-size record of core MD01–2385 over the last 140 kyr, in offshore northern New Guinea to reveal sediment dynamics as a proxy for precipitation
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Pliocene CO2 rise due to sea-level fall as a mechanism for the delayed ice age Glob. Planet. Change (IF 4.0) Pub Date : 2024-03-28 Shiling Yang, Yongda Wang, Xiaofang Huang, Minmin Sun, Jingtai Han, Xu Wang, Zuoling Chen, Shihao Zhang, Wenying Jiang, Zihua Tang, Zhaoyan Gu, Shangfa Xiong, Zhongli Ding
Global sea level fell progressively during the Pliocene in response to the growth of ice sheets at high northern latitudes. However, not until ∼2.7 Ma did the climate system actually generate and maintain major ice sheets in the Northern Hemisphere. A decline in atmospheric CO levels (CO) is thought to be responsible for the Pleistocene ice ages. However, the link between CO and Pliocene glaciations
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Integrating paleolimnological hydrogen and oxygen isotope records during the Holocene on the Tibetan Plateau Glob. Planet. Change (IF 4.0) Pub Date : 2024-03-28 Xiaoxue Gao, Zhe Sun, Xiaohuan Hou, Kejia Ji, Mingda Wang, Juzhi Hou
Stable isotopes are effective proxy indicators for past climate and environment changes. Paleolimnological hydrogen and oxygen isotopes have been used to reconstruct changes in precipitation isotopes and continental climates. However, the stable hydrogen and oxygen isotope records from lakes are rarely compared and integrated directly to study past changes in climate and environment due to their different
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Are longer and more intense heatwaves more prone to extreme precipitation? Glob. Planet. Change (IF 4.0) Pub Date : 2024-03-26 Peng Sun, Yaojin Bian, Shifang Yu, Rui Yao, Zhongtian Wang, Qiang Zhang, Wenhui Chen, Chenhao Ge, Zice Ma, Wenying Du
Simultaneous/sequential occurrence of multiple extreme climate events has the tendency to inflict greater damage compared to isolated extreme climate events. The exploration of simultaneous or continuous extreme events holds profound implications for disaster risk prevention. Therefore, we identified the compound heatwaves and extreme precipitation events (CHP, extreme precipitation events following