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SOIL NITROGEN CYCLING AND ENVIRONMENTAL IMPACTS IN THE SUBTROPICAL HILLY REGION OF CHINA: EVIDENCE FROM

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 3,   Pages 407-424 doi: 10.15302/J-FASE-2022448

Abstract: ListItem>

● Soil nitrogen fluxes and influencing factors were reviewed in the subtropical hilly

Keywords： nitrogen cycling     soil nitrogen     nitrogen deposition     greenhouse gases emission     non-point source pollution     nitrogen use efficiency    

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Can the Grain-for-Green Program Really Ensure a Low Sediment Load on the Chinese Loess Plateau? Article

Pengcheng Sun, Yiping Wu, Zhifeng Yang, Bellie Sivakumar, Linjing Qiu, Shuguang Liu, Yanpeng Cai

Engineering 2019, Volume 5, Issue 5,   Pages 855-864 doi: 10.1016/j.eng.2019.07.014

Abstract:

The Chinese Loess Plateau is the most seriously eroded area in the world and contributes the vastTo address this question, we selected a typical loess hilly region where considerable ecological restorationand which is regarded as the site of the first and most representative Grain-for-Green program in the Loess

Keywords： Discharge–sediment relationship     Ecological restoration     Loess hilly region     Sediment load     Sediment    

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HIGH QUALITY DEVELOPMENTAL APPROACH FOR SOIL AND WATER CONSERVATION AND ECOLOGICAL PROTECTION ON THE LOESS

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 4,   Pages 501-511 doi: 10.15302/J-FASE-2021425

Abstract:

The Loess Plateau is the core area in the Yellow River basin for implementing environmental protectionecological projects has implemented aimed at soil and water conservation and ecological management on the LoessMajor problems have also been analyzed in ecological management including the fragile ecosystem of the regionSome suitable schemes and models have been developed for the coordinated development of the region through

Keywords： management     high quality development     industrial structure     soil erosion     soil and water conservation     Loess    

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Transforming the Loess Plateau of China

Yuheng LI,Guoming DU,Yansui LIU

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 3,   Pages 181-185 doi: 10.15302/J-FASE-2016110

Abstract: This paper aims to show the importance of land consolidation in transforming the Loess Plateau of ChinaGreen Project and Gully Land Consolidation Project jointly transformed the ecology and landscape of the Loessgreen protection, new land creation, and improved food security and livelihood of local people in the hillyof retaining these two land consolidation projects as part of an ongoing policy in the mountain and hilly

Keywords： China     critical zone     land consolidation     Loess Plateau     sustainability    

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Exemplary project of green cave dwellings in Loess Plateau

Jiaping LIU, Xinrong ZHU, Liu YANG, Rongrong HU,

Frontiers in Energy 2010, Volume 4, Issue 1,   Pages 122-130 doi: 10.1007/s11708-010-0005-1

Abstract: Focusing on the energy conservation of cave dwellings in the Loess Plateau, this paper aims to create

Keywords： new cave dwellings     green buildings     the Loess Plateau     energy efficiency    

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Stability analysis of a high loess slope reinforced by the combination system of soil nails and stabilization

Jiu-jiang WU,Qian-gong CHENG,Xin LIANG,Jian-Lei CAO

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 3,   Pages 252-259 doi: 10.1007/s11709-014-0260-z

Abstract: techniques for deep foundation pit and normal slopes, few related engineering cases are found for high loessBy utilizing the finite element software of PLAXIS 8.5, the behavior of a high loess slope reinforcedmeasure of reducing the weight of the top of the slope is a positive factor to the stability of the loess

Keywords： high loess slope     CSNSP     PLAXIS     phi/c strength reduction method     Sweden circular slip surface    

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TRANSFORMATION OF AGRICULTURE ON THE LOESS PLATEAU OF CHINA TOWARD GREEN DEVELOPMENT

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 4,   Pages 491-500 doi: 10.15302/J-FASE-2021428

Abstract:

Loess Plateau of China is a typical dryland agricultural area.

Keywords： agronomic technologies     economic returns     education     environmental cost     food production     government policy    

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for human migration in the context of sustainable dryland farming development in the Southern Ningxia Hilly

Yongqing MA, Jie CHEN, Shuqi DONG, Lun SHAN

Frontiers of Agricultural Science and Engineering 2014, Volume 1, Issue 1,   Pages 62-68 doi: 10.15302/J-FASE-2014027

Abstract: The Southern Ningxia Hilly Area is one of the most impoverished areas of Ningxia Hui Autonomous RegionThis paper outlines the past improvements to the Southern Ningxia Hilly Area and considers future development

Keywords： agricultural production     animal husbandry     development strategy     ecological migration    

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framework of sediment trapped by check-dam networks: A case study of a typical watershed on the chinese loess Article

Pengcheng Sun, Yiping Wu

Engineering 2023, Volume 27, Issue 8,   Pages 209-221 doi: 10.1016/j.eng.2021.12.015

Abstract: We then applied this framework to a typical Loess watershed, the Yan River Basin, to assess the time-varying

Keywords： Check dams     Dynamic check dam (DCDam)     Loess Plateau     Sediment trapping     SWAT    

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Framework of Sediment Trapped by Check-Dam Networks: A Case Study of a Typical Watershed on the Chinese Loess Corrigendum

Pengcheng Sun, Yiping Wu

Engineering 2024, Volume 37, Issue 6,   Pages 246-246 doi: 10.1016/j.eng.2024.04.010

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Effects of alfalfa coverage on runoff, erosion and hydraulic characteristics of overland flow on loess

Shufang WU, Pute WU, Hao FENG, G. P. Merkley

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 1,   Pages 76-83 doi: 10.1007/s11783-011-0282-x

Abstract: An evaluation of the interactions between vegetation, overland and soil erosion can provide valuable insight for the conservation of soil and water. An experiment was conducted to study water infiltration, runoff generation process, rate of sediment erosion, and hydrodynamic characteristics of overland flow from a sloping hillside with different draw-off discharges from alfalfa and control plots with 20° slope. The effect of alfalfa on runoff and sediment transport reduction was quantitatively analyzed. Alfalfa was discussed for its ability to reduce the overland flow scouring force or change the runoff movement. Compared to the bare-soil plots, alfalfa plots generated a 1.77 times increase in infiltration rate. Furthermore, the down-slope water infiltration rate for the bare soil plots was higher than in the up-slope, while the opposite was found in the alfalfa plots. In addition, alfalfa had a significant effect on runoff and sediment yield. In comparison to the control, the runoff coefficient and sediment transportation rate decreased by 28.3% and 78.4% in the grass slope, respectively. The runoff generated from the alfalfa and bare-soil plots had similar trends with an initial increase and subsequent leveling to a steady-state rate. The transport of sediment reduced with time as a consequence of the depletion of loose surface materials. The maximum sediment concentration was recorded within the first few minutes of each event. The alfalfa plots had subcritical flow while the bare-soil plots had supercritical flow, which indicate that the capability of the alfalfa slope for resisting soil erosion and sediment movement was greater than for bare soil plots. Moreover, the flow resistance coefficient and roughness coefficient for the alfalfa plots were both higher than for the bare-soil plots, which indicate that overland flow in alfalfa plots had retarded and was blocked, and the flow energy along the runoff path had gradually dissipated. Finally, the ability to erode and transport sediment had decreased.

Keywords： alfalfa     soil erosion     runoff and sedimentation     soil water infiltration     overland flow     hydrodynamic characteristics    

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The comparative study of dwelling houses in the southwest multi-ethnic region, taking Fugong county for

Fang WANG, Jiaping LIU

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 4,   Pages 474-482 doi: 10.1007/s11709-010-0089-z

Abstract: A number of ethnic minorities are being distributed in southwest China. Yunnan Province is an area inhabited by multi-ethnic groups. For a long time, the ethnic groups have been interacted by others in the cultural aspect, while retaining their own ethnic traditions. The performances of ethnic groups’ dwelling houses are similar as determined by natural and cultural elements of the same area. This paper mainly analyzes decisive factors behind similar appearances by the way of field research on two minorities, Nu ethnic group and Li-su ethnic group, in the Fugong county, Nujiang Li-su autonomous prefecture. Moreover, the paper tries to summarize the commonality and individuality of the minorities in order to provide useful theoretical reference for the minorities building of new socialist countryside in the future.

Keywords： Nu ethnic group     Li-su ethnic group     mixed region     living culture     living mode     living acts    

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Space Division and WGAN-GP Based Fast Generation Method of Practical Dynamic Security Region Boundary

Yanli Liu,Ruipeng Jia,

Engineering doi: 10.1016/j.eng.2024.05.017

Abstract: With high penetration level of wind power resources, practical dynamic security region (PDSR) with hyperFirst, the typical differential topological characterizations of dynamic security region (DSR) provide

Keywords： Practical dynamic security region boundary     WGAN-GP     Space division     Critical points     Data-model hybrid driven    

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Double-layer Support Technology of Large-section Loess TunnelBy Benching Method

Li Guoliang,Song Ye,Li Lei,Wang Xindong,Li Bo

Strategic Study of CAE 2014, Volume 16, Issue 8,   Pages 54-63

Abstract: characteristics and key construction techniques of the double-layer support system of large-section loess

Keywords： large-section loess tunnel     benching method     double-layer support     under crossing    

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Key Techniques for the Construction of High-Speed Railway Large-Section Loess Tunnels Article

Yong Zhao, Huawu He, Pengfei Li

Engineering 2018, Volume 4, Issue 2,   Pages 254-259 doi: 10.1016/j.eng.2017.07.003

Abstract: high-speed railway project has greatly improved the construction level of China’s large-section loesspaper systematically summarizes the technical characteristics and main problems of the large-section loessOn this basis, the key construction techniques of loess tunnels with large sections for high-speed railwayThe research results show that the classification of loess strata surrounding large tunnels should beThe pressure of the surrounding rock of a large-section loess tunnel should be calculated according to

Keywords： Loess tunnel     Surrounding rock classification     Surface cracking     Design load     Three-bench seven-step excavation    

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Title Author Date Type Operation

SOIL NITROGEN CYCLING AND ENVIRONMENTAL IMPACTS IN THE SUBTROPICAL HILLY REGION OF CHINA: EVIDENCE FROM

Journal Article

Can the Grain-for-Green Program Really Ensure a Low Sediment Load on the Chinese Loess Plateau?

Pengcheng Sun, Yiping Wu, Zhifeng Yang, Bellie Sivakumar, Linjing Qiu, Shuguang Liu, Yanpeng Cai

Journal Article

HIGH QUALITY DEVELOPMENTAL APPROACH FOR SOIL AND WATER CONSERVATION AND ECOLOGICAL PROTECTION ON THE LOESS

Journal Article

Transforming the Loess Plateau of China

Yuheng LI,Guoming DU,Yansui LIU

Journal Article

Exemplary project of green cave dwellings in Loess Plateau

Jiaping LIU, Xinrong ZHU, Liu YANG, Rongrong HU,

Journal Article

Stability analysis of a high loess slope reinforced by the combination system of soil nails and stabilization

Jiu-jiang WU,Qian-gong CHENG,Xin LIANG,Jian-Lei CAO

Journal Article

TRANSFORMATION OF AGRICULTURE ON THE LOESS PLATEAU OF CHINA TOWARD GREEN DEVELOPMENT

Journal Article

for human migration in the context of sustainable dryland farming development in the Southern Ningxia Hilly

Yongqing MA, Jie CHEN, Shuqi DONG, Lun SHAN

Journal Article

framework of sediment trapped by check-dam networks: A case study of a typical watershed on the chinese loess

Pengcheng Sun, Yiping Wu

Journal Article

Framework of Sediment Trapped by Check-Dam Networks: A Case Study of a Typical Watershed on the Chinese Loess

Pengcheng Sun, Yiping Wu

Journal Article

Effects of alfalfa coverage on runoff, erosion and hydraulic characteristics of overland flow on loess

Shufang WU, Pute WU, Hao FENG, G. P. Merkley

Journal Article

The comparative study of dwelling houses in the southwest multi-ethnic region, taking Fugong county for

Fang WANG, Jiaping LIU

Journal Article

Space Division and WGAN-GP Based Fast Generation Method of Practical Dynamic Security Region Boundary

Yanli Liu,Ruipeng Jia,

Journal Article

Double-layer Support Technology of Large-section Loess TunnelBy Benching Method

Li Guoliang,Song Ye,Li Lei,Wang Xindong,Li Bo

Journal Article

Key Techniques for the Construction of High-Speed Railway Large-Section Loess Tunnels

Yong Zhao, Huawu He, Pengfei Li

Journal Article