Science China-earth Sciences
Papers 3497
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#1Qi Luo (CAS: Chinese Academy of Sciences)
#2Kun Yang (CAS: Chinese Academy of Sciences)H-Index: 48
Last.Xu Zhou (CAS: Chinese Academy of Sciences)
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The high soil organic carbon (SOC) content in alpine meadow can significantly change soil hydrothermal properties and further affect the soil temperature and moisture as well as the surface water and energy budget. Therefore, this study first introduces a parameterization scheme to describe the effect of SOC content on soil hydraulic and thermal parameters in a land surface model (LSM), and then the SOC content is estimated by minimizing the difference between observed and simulated surface-laye...
#1Liang WuH-Index: 6
#2Zhiping WenH-Index: 15
Last.Ronghui HuangH-Index: 24
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#1Nian BieH-Index: 1
#2Liping LeiH-Index: 10
Last.Bofeng CaiH-Index: 1
view all 7 authors...
Spatiotemporal patterns of column-averaged dry air mole fraction of CO₂ (XCO₂) have not been well characterized on a regional scale due to limitations in data availability and precision. This paper addresses these issues by examining such patterns in China using the long-term mapping XCO₂ dataset (2009–2016) derived from the Greenhouse gases Observing SATellite (GOSAT). XCO₂ simulations are also constructed using the high-resolution nested-grid GEOS-Chem model. The following results are found: F...
#1Wenjiao Xiao (CAS: Chinese Academy of Sciences)H-Index: 60
#2Dongfang Song (CAS: Chinese Academy of Sciences)H-Index: 14
Last.Zhiyong Zhang (CAS: Chinese Academy of Sciences)H-Index: 18
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As one of the largest Phanerozoic orogens in the world, the Central Asian Orogenic Belt (CAOB) is a natural laboratory for studies of continental dynamics and metallogenesis. This paper summarizes the research progresses of the accretionary processes and metallogenesis of the CAOB since the People’s Republic of China was founded, and puts forward the prospect for future research. During the early period (1950s–1970s), several geological theories were applied to explain the geological evolution o...
#1Shiwen Li (JLU: Jilin University)
#2Aihua Weng (JLU: Jilin University)H-Index: 1
Last.Xueqiu Wang (JLU: Jilin University)
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The three-dimensional (3-D) electrical structure of the upper-mantle was used to examine the deep origins of and relationship among the Cenozoic volcanoes located in Northeast China (NEC). High-quality, long-period magnetotelluric (LMT) full-impedance tensor data were collected in NEC and subjected to 3-D Gauss-Newton inversion in order to construct a resistivity model. The resulting model reveals the presence of multiple localized low-resistivity anomalies (LRAs) within the high-resistance lith...
#1Quan Li (CAS: Chinese Academy of Sciences)H-Index: 23
Knowledge of long-term change in vegetation and climate in semi-arid/arid regions is essential for the study of current climate and development of mitigation strategies against severe drought. Here, a fossil pollen record of annually-varved core from Sugan Lake in interior Qaidam Basin was quantitatively analyzed to reconstruct changes in vegetation, floristic diversity and drought frequency. Results of biomization suggested that regional vegetation was desert vegetation with three short-term oc...
#1Yihan Zhang (Guangdong University of Business Studies)
#2Xiaoping Liu (SYSU: Sun Yat-sen University)H-Index: 47
Last.Guohua Hu (ECNU: East China Normal University)H-Index: 6
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Urban expansion is a hot topic in land use/land cover change (LUCC) researches. In this paper, maximum entropy model and cellular automata (CA) model are coupled into a new CA model (Maxent-CA) for urban expansion. This model can help to obtain transition rules from single-period dataset. Moreover, it can be constructed and calibrated easily with several steps. Firstly, Maxent-CA model was built by using remote sensing data of China in 2000 (basic data) and spatial variables (such as population ...
#1Ling Chen (CAS: Chinese Academy of Sciences)H-Index: 34
#2Xu Wang (CAS: Chinese Academy of Sciences)H-Index: 18
Last.Lijun Liu (CAS: Chinese Academy of Sciences)
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Plate tectonics describes the horizontal motions of lithospheric plates, the Earth’s outer shell, and interactions among them across the Earth’s surface. Since the establishment of the theory of plate tectonics about half a century ago, considerable debates have remained regarding the driving forces for plate motion. The early “Bottom up” view, i.e., the converting mantle-driven mechanism, states that mantle plumes originating from the core-mantle boundary act at the base of plates, accelerating...
#1Fei Li (WHU: Wuhan University)H-Index: 7
#2Chao Ma (WHU: Wuhan University)H-Index: 1
Last.Wenhao Li (WHU: Wuhan University)H-Index: 1
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Due to the scarcity of data, modeling the glacial isostatic adjustment (GIA) for Antarctica is more difficult than it is for the ancient ice sheet area in North America and Northern Europe. Large uncertainties are observed in existing GIA models for Antarctica. Modern space-based geodetic measurements provide checks and constraints for GIA models. The present-day uplift velocities of global positioning system (GPS) stations at 73 stations in Antarctica and adjacent regions from 1996 to 2014 have...
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