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Hydrothermal overprinting of the Li-rich strata deposited in the ...
Recently, Li-rich strata with Li 2 O concentrates exceeding 0.3 wt% have been identified in the احصل على السعر
A study of clay pore water and sporopollens for characterizing ...
2017/8/1 Thick clay layers are widely distributed in many plains and basins, such as the احصل على السعر
Investigation of the microscopic properties of natural structured clay
Frontiers Experimental study on consolidation characteristics of
1 Hebei Cangzhou Groundwater and Land subsidence National Observation and Research احصل على السعر
A study of clay pore water and sporopollens for characterizing ...
2017/8/1 We developed a clay pore water (CPW) isotopic method for tracing احصل على السعر
The geological origins and soil properties of loess-like silty
the southern region of Hebei Province, the eastern area of Shandong Province, the northern احصل على السعر
Late-Middle Pleistocene Sedimentary Environment and Climate
2023/3/17 Therefore, the north Hebei Plain is an ideal region to carry out studies on احصل على السعر
Comparing mineral weathering and elemental transport between
2022/9/21 Yanshan Mountain in Hebei province is located in the northern water احصل على السعر
Analysis of phreatic evaporation law and influence factors of
2019/4/15 Based on three typical mediums (sandy loam, loam and sandy clay loam) in احصل على السعر
Impacts of synoptic condition and planetary boundary layer
of synoptic condition and planetary boundary layer structure on the trans-boundary aerosol transport from Beijing-Tianjin-Hebei region to northeast China, Atmospheric Environment (2018), doi: 10.1016/ j.atmosenv.2018.03.005. This is a PDF file of an unedited manuscript that has been accepted for publication. As a service toاحصل على السعر
Seasonal variation of local atmospheric circulations and boundary layer
The Beijing‐Tianjin‐Hebei (BTH) region experiences frequent heavy haze pollution in fall and winter. Pollution was often exacerbated by unfavorable atmospheric boundary layer (BL) conditions. The topography in this region impacts the BL processes in complex ways. Such impacts and implications on air quality are not yet clearly understood.احصل على السعر
Understanding Uneven Land Subsidence in Beijing,
2020/8/10 The gray area represents the Beijing-Tianjin-Hebei (BTH) region, while the yellow area represents Beijing City. (b) Geography of the Beijing Plain. The blue lines represent major rivers. (c) Map of the research areas. ...احصل على السعر
A severe fog-haze episode in Beijing-Tianjin-Hebei region ...
2019/7/1 Beijing–Tianjin–Hebei (BTH) region is recognized as one of the most polluted regions in China. In this study, characteristics, synoptic condition, boundary layer structure, and sources of a severe fog–haze episode during the December of 2016 and احصل على السعر
Seasonal variation of local atmospheric circulations and boundary layer
The Beijing-Tianjin-Hebei (BTH) region experiences frequent heavy haze pollution in fall and winter. Pollution was often exacerbated by unfavorable atmospheric boundary layer (BL) conditions. The topography in this region impacts the BL processes in complex ways. Such impacts and implications on air quality are not yet clearly understood. The BL processes in all احصل على السعر
Variation in Subgrade Temperature of Highway in Seasonal Frozen Soil Region
2023/8/3 Freeze–thaw cycles in seasonal permafrost areas are a dominant cause of road damage. Therefore, the roadbed fill must be frost-resistant. In this study, taking the experimental section of the asphalt concrete pavement structure of the Zhangcheng Expressway in the seasonally frozen soil area of Hebei Province as an example, three working conditions were احصل على السعر
Copernicus
1 1 Aerosol radiative effects and feedbacks on boundary layer meteorology and 2 PM2.5 chemical components during winter haze events over the Beijing-3 Tianjin-Hebei region 4 5 Jiaاحصل على السعر
The Influence of Climate Factors, Meteorological Conditions, and ...
2014/11/17 The air-pollution episodes in China in January 2013 were the most hazardous in the Beijing-Tianjin-Hebei (BTH) region. PM2.5, AOD, and long-term visibility data, along with various climate and meteorological factors and the boundary-layer structure, were used to investigate the cause of the heavy-haze pollution events in January 2013. The result suggests احصل على السعر
Mechanism the land subsidence from multiple spatial scales and ...
2023/12/1 In the NJT, XG, TC, HC, and JL subsidence regions of Hebei, precipitation infiltration can be as much as 230 mm. Extensive fields of crops have been planted in these areas, such as the 117.5 km 2 of rice planted in Xiongxian in the XG subsidence region, the 105.3 km 2 of vegetables planted in Raoyang in the TC subsidence region, and the 103.8 ...احصل على السعر
(PDF) Aerosol radiative effects and feedbacks on boundary layer ...
2020/7/22 Aerosol radiative effects and feedbacks on boundary layer meteorology and PM2.5 chemical components during winter haze events over the Beijing-Tianjin-Hebei region July 2020 Atmospheric ...احصل على السعر
(PDF) Aerosol radiative effects and feedbacks on boundary layer ...
2020/3/10 Aerosol radiative effects and feedbacks on boundary layer meteorology and PM2.5 chemical components during winter haze events overthe Beijing–Tianjin–Hebei region March 2020 DOI: 10 ...احصل على السعر
Seasonal variation of local atmospheric circulations and boundary layer ...
2015/10/5 1 Introduction. The Beijing-Tianjin-Hebei (BTH) region, part of the North China Plain (NCP), is located along the northeastern coast of mainland China and includes the Beijing municipality, Tianjin municipality, and Hebei province (Figure 1).The BTH region covers an area of 216,000 km 2 (about 2.3% of Chinese territory), and has a population exceeding 100 million.احصل على السعر
A severe fog-haze episode in Beijing-Tianjin-Hebei region ...
2019/2/1 Beijing–Tianjin–Hebei (BTH) region is recognized as one of the most polluted regions in China. In this study, characteristics, synoptic condition, boundary layer structure, and sources of a ...احصل على السعر
ACP - Integrated impacts of synoptic forcing and aerosol radiative ...
Abstract. urbanization and industrialization have led to deterioration of air quality in the Beijing–Tianjin–Hebei (BTH) region due to high loadings of PM2.5. Heavy aerosol pollution frequently occurs in winter, in close relation to the planetary boundary layer (PBL) meteorology. To unravel the physical processes that influence PBL structure and aerosol pollution in BTH, احصل على السعر
(PDF) Aerosol radiative effects and feedbacks on boundary layer ...
2020/3/10 Aerosol radiative effects and feedbacks on boundary layer meteorology and PM2.5 chemical components during winter haze events overthe Beijing–Tianjin–Hebei region March 2020 DOI: 10 ...احصل على السعر
Seasonal variation of local atmospheric circulations
2015/10/5 1 Introduction. The Beijing-Tianjin-Hebei (BTH) region, part of the North China Plain (NCP), is located along the northeastern coast of mainland China and includes the Beijing municipality, Tianjin municipality, and Hebei احصل على السعر
A severe fog-haze episode in Beijing-Tianjin-Hebei region ...
2019/2/1 Beijing–Tianjin–Hebei (BTH) region is recognized as one of the most polluted regions in China. In this study, characteristics, synoptic condition, boundary layer structure, and sources of a ...احصل على السعر
ACP - Integrated impacts of synoptic forcing and aerosol radiative ...
Abstract. urbanization and industrialization have led to deterioration of air quality in the Beijing–Tianjin–Hebei (BTH) region due to high loadings of PM2.5. Heavy aerosol pollution frequently occurs in winter, in close relation to the planetary boundary layer (PBL) meteorology. To unravel the physical processes that influence PBL structure and aerosol pollution in BTH, احصل على السعر
Institutional Repository of Peking University: Integrated impacts of ...
Integrated impacts of synoptic forcing and aerosol radiative effect on boundary layer and pollution in the Beijing-Tianjin-Hebei region, China: Authors: Miao, Yucong Che, Huizheng Zhang, Xiaoye Liu, Shuhua: Affiliation: Chinese Acad Meteorol Sci, State Key Lab Severe Weather, Beijing 100081, Peoples R Chinaاحصل على السعر
Integrated impacts of synoptic forcing and aerosol radiative
The Beijing–Tianjin–Hebei (BTH) region is the national cap-ital region of China and covers an area of ˘217156km2 on the North China Plain. During the last few decades, BTH has experienced prosperous economic growth and in-tensive urban expansion and has become one of most devel-oped and populous regions in China. Along with the tremen-احصل على السعر
The Influence of Climate Factors, Meteorological Conditions, and ...
2014/11/17 The air-pollution episodes in China in January 2013 were the most hazardous in the Beijing-Tianjin-Hebei (BTH) region. PM 2.5 , AOD, and long-term visibility data, along with various climate and ...احصل على السعر
Exploretheinfluencemechanismofcarbonemissionsdeclineonenergy
in Beijing-Tianjin-Hebei region Jingmin Wang1,2 Xueting Zhang1 Fan Yang1 Qingwei Zhou1 Received: 10 July 2018/Accepted: 4 December 2018/Published online: 15 December 2018 ... intensity. That is, first layer of decomposition can only show that the effect of energy intensity in carbon emissions, while the secondlayerofdecomposition could ...احصل على السعر
A severe fog-haze episode in Beijing-Tianjin-Hebei region ...
2019/7/1 Semantic Scholar extracted view of "A severe fog-haze episode in Beijing-Tianjin-Hebei region: Characteristics, sources and impacts of boundary layer structure" by Chao Liu et al. Skip to search form Skip to main content Skip to account menu. Semantic Scholar's Logo. 220,381,722 papers from all fields of science ...احصل على السعر
A study of clay pore water and sporopollens for characterizing ...
2017/8/1 We developed a clay pore water (CPW) isotopic method for tracing paleoenvironments characterized by sporopollens. The thick clayey layers have the advantage of preserving pore water regardless of ...احصل على السعر
(PDF) Spatial distribution and morphologic characteristics of
2016/5/12 location of Black soil region (in red) in china and the hebei watershed. spatial distribution of gullies in the hebei watershed. Numbers are sub-watershed iDs. The contour interval is 10 m.احصل على السعر
Seasonal variation of local atmospheric circulations and boundary layer ...
2015/10/1 Request PDF Seasonal variation of local atmospheric circulations and boundary layer structure in the Beijing-Tianjin-Hebei region and implications for air quality The Beijing-Tianjin-Hebei ...احصل على السعر
(PDF) Integrated impacts of synoptic forcing and aerosol radiative ...
2019/12/2 Integrated impacts of synoptic forcing and aerosol radiative effect on boundary layer and pollution in the Beijing-Tianjin-Hebei region, China December 2019 DOI: 10.5194/acp-2019-1011احصل على السعر
The impacts of urban anthropogenic heat and surface albedo
In this study, present and future anthropogenic heat flux (AH) and surface albedo (SA) in Beijing are estimated and incorporated into the WRF-Chem/UCM model. A series of nested model simulations are conducted at 9 km and 27 km horizontal grid resolution with 30 layers in the vertical to explore the sensitivity of model results to urban surface characteristics during the احصل على السعر
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