Article
Environmental Sciences
Xunming Wang, Xiaobin Li, Diwen Cai, Junpeng Lou, Danfeng Li, Fa Liu
Summary: This study revealed the presence of aeolian and salinization desertification in China's PDR, with varying degrees of salinization risk in different regions. Annual precipitation was identified as the key factor in salinization control. The results highlighted the potentially significant role of wind processes in salt transports and their effects on salinization, providing important insights for desertification combating strategies.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Biodiversity Conservation
Kun Feng, Tao Wang, Shulin Liu, Changzhen Yan, Wenping Kang, Xiang Chen, Zichen Guo
Summary: In the Mu Us Sandy Land, aeolian desertification has shown a trend of violent development-slow reversal over the past 40 years, reaching an area of 57,778.32 km(2) in 2015. Human activities accounted for 50.96% of the relative influence on aeolian desertification land net growth rate, followed by climate at 49.04%, with factors such as temperature, livestock, and population being dominant. The results highlight the complex interconnections between human activities and climate in regulating the aeolian desertification process.
ECOLOGICAL INDICATORS
(2021)
Article
Geosciences, Multidisciplinary
Jiangyong Wang, Guizai Gao, Dongmei Jie, Qi Fang, Hainan Wang, Honghao Niu, Meng Meng, Guihua Zhang, Ying Liu, Lina Song, Linlin Liu
Summary: The research finds that rivers, Horqin Sandy Land, and the interior of Eurasia play important roles in the formation of aeolian soils along the East and West Liao rivers. The reconstruction of climate using phytoliths reveals several periods of warm-wet and cold-dry conditions. The study suggests preventing the transport of aeolian soils along the rivers by planting shrub belts and increasing vegetation cover.
Article
Environmental Sciences
Zifeng Wu, Eerdun Hasi, Wulan Tuya, Chao Guan, Tang Kesi, Jie Yin, Kang Jiang
Summary: This study compares the spatio-temporal distribution and degree of aeolian desertification in the Moltsog and Ujimqin dune fields over the past 30 years. The results show that the degree and development rate of aeolian desertification in Ujimqin were generally higher than those in Moltsog, and the former had a high degree of fragmented aeolian desertification patches with an expanding range. Ujimqin is mainly driven by anthropogenic activities, while Moltsog is mainly affected by climatic factors.
LAND DEGRADATION & DEVELOPMENT
(2023)
Article
Green & Sustainable Science & Technology
Hongyu Cao, Guanglei Gao, Ying Zhang, Mishan Guo, Yue Ren, Guodong Ding
Summary: By studying the soil bacteria associated with P. sylvestris, it was found that vegetation greening efforts increased soil bacterial diversity, changed bacterial functional expression, and promoted soil nutrient cycling and improvement, enriching the diversity of the soil bacterial community.
JOURNAL OF CLEANER PRODUCTION
(2021)
Article
Environmental Sciences
Zhanjin Xue, Zuodong Qin, Fangqin Cheng, Guangwei Ding, Junxia Yan
Summary: This study examines the impact of climate change on aeolian desertification, finding that rising temperatures and decreasing precipitation contribute to the development of aeolian desertification, while increasing precipitation helps to improve soil moisture content, especially with a high sensitivity in the winter half year.
ENVIRONMENTAL EARTH SCIENCES
(2021)
Review
Green & Sustainable Science & Technology
Honghui Zhu, Meiling Du, Xiaojun Yin
Summary: This paper selected relevant literature from the CNKI and WoS core collection databases and used bibliometric methods to summarize the current status, key contents, and cutting-edge trends of oasification research in China's arid and semi-arid regions. The findings are as follows: (1) Oasification research has not received sufficient attention compared to desertification research; (2) The hotspots of oasification research have gone through four stages: spatial and temporal evolution, ecological effects, driving mechanisms, and sustainable development paths; (3) Current research on oasification mainly focuses on landscape dynamics, sustainable development, and ecological conservation. Future research should include system theory-based studies on the alternating evolution process of desert-oasis in arid and semi-arid regions, exploration of synergistic factors and development mechanisms for oasification sustainable development, and investigation of oasification governance system, governance content, and governance mechanism in arid and semi-arid regions.
Article
Engineering, Civil
Yuxiang Zhang, Jianwen Pan, Xinjian Sun, Jijun Feng, Dengqiang Sheng, Haiyun Wang, Xinjie Zhou, Yinpeng He, Mushuang Diao, Qibing Zhan
Summary: By establishing a temperature field calculation program and using the Jinqiao RFC Gravity Dam as an example, it was found that the hydration temperature rise of RFC is lower than that of normal concrete, reducing the temperature and thermal stress of the concrete dam. Installing an insulation layer on the surface of the dam body in HACR can significantly increase the surface temperature and reduce temperature difference and tensile stress, meeting the requirements of temperature control and crack prevention.
ENGINEERING STRUCTURES
(2021)
Article
Construction & Building Technology
Huaxin Chen, Heping Qiu, Yongchang Wu, Dongliang Kuang, Mingliang Xing
Summary: This paper focuses on the use of SBS and SBR as the main modifiers to prepare composite modified asphalt binder and mixture for the complex climate of the Qinghai-Tibet Plateau. The results show that SBS and SBR can effectively improve the performance of the asphalt binder at high and low temperatures, as well as its aging resistance. The CMA mixture can combine the advantages of the two modifiers to improve its high temperature rutting resistance, low temperature crack resistance, water and aging resistance performance.
MATERIALS AND STRUCTURES
(2022)
Article
Geosciences, Multidisciplinary
Laiming Zhang, Yitian Yin, Chengshan Wang
Summary: The study investigates the impact of significant tectonic regime transformation in East China during the Early Cretaceous on regional topography and climates, and its possible influence on the unique characteristics of feathered dinosaurs within the Jehol Biota. Results suggest a high altitude and cold habitat with frozen winters for the Jehol Biota in the Sihetun area, implying a potential climate-influenced evolution of the feathered characteristic of the dinosaurs.
GEOPHYSICAL RESEARCH LETTERS
(2021)
Article
Geochemistry & Geophysics
Yong Hong, Zhushan Shao, Guangbin Shi, Yong Dou, Weiqin Wang, Wen Zhang
Summary: In this study, a linear relationship between the geological strength index and the Tianshan slope rock mass rating system was established with the introduction of a freeze-thaw correction coefficient for stability analysis of open pit slopes in high-altitude and cold regions. The improved Hoek-Brown criterion considered the influences of freeze-thaw action and different slope angles, showing that the slope stability met design requirements in the No. 4 minefield open pit coal mine in the Muli mining area.
Article
Thermodynamics
Tianhu Zhang, Fuxi Wang, Yi Gao, Yuanjun Liu, Qiang Guo, Qingxin Zhao
Summary: This study investigates the performance of a solar-air source heat pump system for buildings in China's high-cold and high-altitude area. A simulation model is established and verified, and optimization is done based on different objectives such as annual cost, unit heat cost, and annual average solar energy guarantee rate cost. The results show significant improvement compared to the existing design and emphasize the importance of considering the system performance and local conditions for optimal energy-saving, environmental, and economic benefits.
Article
Environmental Sciences
Xiao-Xiao Zhang, Jia-Qiang Lei, Shi-Xin Wu, Sheng-Yu Li, Lian-You Liu, Zi-Fa Wang, Shuang-Yan Huang, Yu-Hong Guo, Yong-Dong Wang, Xiao Tang, Jie Zhou
Summary: Aeolian dust in China has been decreasing gradually since 1984, with the frequency of dust storms declining significantly by 97.7%. The main dust sources influencing China are the Mongolian Gobi Desert, the Taklimakan Desert, the Hexi Corridor, the Alxa Plateau Desert, the Qaidam basin Desert, and the northeast-southwest stretching semiarid farming-pasture ecotone. The Atlantic multidecadal oscillation (AMO) and Pacific decadal oscillation (PDO) may play important roles in the occurrence of aeolian dust events in China.
LAND DEGRADATION & DEVELOPMENT
(2023)
Article
Materials Science, Multidisciplinary
Shuangjie Wang, Haibo Cao, Tuanjie Chen, Wenhao Ke, Wu Bo
Summary: This study analyzes the factors influencing the fracture characteristics of asphalt mixtures and prepares mixtures with different aggregate gradations from various types of asphalt. The fracture characteristics are explored using the thermal stress restrained specimen test (TSRST) and low-temperature bending test. The good consistency of the low-temperature fracture performance is identified, and the frost-break temperature is confirmed as the best indicator to evaluate the performance of asphalt mixtures at low temperatures.
Article
Environmental Sciences
Mingtang Chai, Nan Li, Furong Liu, Yu Gao, Yanhu Mu, Wei Ma
Summary: This study collected solar radiation data in the Qinghai-Tibet Plateau and developed a calculation model to estimate and adjust ground surface temperature. The results showed good agreement with existing data and reflected the variations in ground surface temperature on different underlying surfaces. This is significant for research on energy exchange in permafrost regions.