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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 experiment was conducted to study water infiltration, runoff generation process, rate of sedimentThe 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 runoffIn addition, alfalfa had a significant effect on runoff and sediment yield.The runoff generated from the alfalfa and bare-soil plots had similar trends with an initial increase

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

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Pesticides in stormwater runoff−A mini review

Cheng Chen, Wenshan Guo, Huu Hao Ngo

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 5, doi: 10.1007/s11783-019-1150-3

Abstract: • The sources and pathways of pesticides into stormwater runoff were diverse. • Factors affecting pesticidesin stormwater runoff were critically reviewed. • Pesticides mitigation strategies were included in thisreview. • The current knowledge gap of the pesticides in stormwater runoff was identified.This paper reviewed the presence of pesticides in stormwater runoff in both rural and urban areas.Influential factors affecting pesticides in stormwater runoff were critically identified as: 1) characteristics

Keywords： Pesticide     Stormwater runoff     Occurrence     Urban runoff    

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Preparation and sedimentation behavior of conductive polymeric nanoparticles

WANG Jixiao, LIU Rui, ZHANG Xiaoyan, ZHOU Zhibin, WANG Zhi, WANG Shichang

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3,   Pages 231-235 doi: 10.1007/s11705-008-0055-7

Abstract: The sedimentation behavior of FeO/PPY core-shell magnetic nanoparticles in electrolyte and soluble polymerThe experimental results indicate that the sedimentation of particles can be controlled by adjusting
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Transferral of HMs pollution from road-deposited sediments to stormwater runoff during transport processes

Qian Wang, Qionghua Zhang, Mawuli Dzakpasu, Nini Chang, Xiaochang Wang

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 1, doi: 10.1007/s11783-019-1091-x

Abstract:

Ratio of turbidity and TSS (Tur/TSS) was used to characterize PSD of stormwater particles.

Pb and Zn preferred to accumulate in finer RDS, while Cu, Cr and Ni in coarser RDS.

HMs pollution in stormwater particles increased linearly with Tur/TSS.

Dissolvability of HMs and PSD variations contribute to the differences between RDS and stormwater.

Keywords： Road-deposited sediment     Stormwater runoff     Heavy metal     Particle size     Pollution variation    

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Advances in LID BMPs research and practice for urban runoff control in China

Haifeng JIA, Hairong YAO, Shaw L. YU

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 5,   Pages 709-720 doi: 10.1007/s11783-013-0557-5

Abstract: In particular, urban runoff quantity and quality control have emerged as one of the key concerns foruse of a Low Impact Development type of Best Management Practices (LID BMPs) for urban storm water runoffIn this paper, the situation surrounding urban runoff control in China is reviewed first.The LID BMPs are then introduced to control urban runoff in the context of urban sustainable water systemscomprehensive analysis of the various LID BMPs, the advances in LID BMPs research and practice for urban runoff

Keywords： urbanization     urban runoff control     Low Impact Development type of Best Management Practices (LID BMPs)    

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Applying chemical sedimentation process in drinking water treatment plant to address the emergent arsenic

Pengfei LIN,Xiaojian ZHANG,Hongwei YANG,Yong LI,Chao CHEN

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1,   Pages 50-57 doi: 10.1007/s11783-014-0733-2

Abstract: In response, we developed a chemical sedimentation technology to remove arsenic contaminants for waterconducted to investigate the efficiency of arsenic removal and the influencing factors of the chemical sedimentationThe As(III) contaminants are more recalcitrant to chemical sedimentation, 75% for ferric coagulant and

Keywords： Arsenic spill     chemical sedimentation     coagulation     drinking water     emergency treatment    

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Removal of non-point pollutants from bridge runoff by a hydrocyclone using natural water head

Jianghua YU, Yeonseok KIM, Youngchul KIM

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 6,   Pages 886-895 doi: 10.1007/s11783-012-0449-0

Abstract: hydrocyclone using natural water head provided by bridge was operated for the treatment of stormwater runoffThe analysis of the water budget indicated that around 13% of the total runoff was captured by the hydrocycloneas a first flush, and this runoff was separated as underflow and overflow with the respective percentagefirst flush as solids-concentrated underflow and solids-absent overflow, and effectively reduced the runoff

Keywords： first flush     hydrocyclone     non-point pollution     removal efficiency     stormwater runoff    

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Analysis of rainfall runoff characteristics from a subtropical urban lawn catchment in South-east China

Jinliang HUANG, Zhenshun TU, Pengfei DU, Qingsheng LI, Jie LIN

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 4,   Pages 531-539 doi: 10.1007/s11783-010-0287-x

Abstract: Characteristics of rainfall runoff from a 3.26?Water quality and quantity measurements of rainfall runoff were conducted for ten rainfall events overdistinctive first-flush effects except for the rainfall events with the longest rainfall duration and largest runoffvolume, which was verified by the fact that the first 30% runoff volume (FF30) carried 39.36% of theMultivariate regression analysis further demonstrated that the total runoff volume had a positive correlation

Keywords： rainfall runoff     first flush     pollution characteristics     urban lawn catchment    

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ENHANCING RAINFALL-RUNOFF POLLUTION MODELING BY INCORPORATION OF NEGLECTED PHYSICAL PROCESSES

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 4,   Pages 553-565 doi: 10.15302/J-FASE-2023519

Abstract:

The growing need to mitigate rainfall-runoff pollution, especially first flush, calls for accurateThe wash-off model has advantages in modeling rainfall-runoff pollution due to the inclusion of two keyHowever, this disregards pollution load from wet precipitation and the relationship between rainfall and runoffSCS-CN) into the wash-off model and added pollutant load from wet precipitation to enhance the rainfall-runoffFrom this, it was found that 12% of the total runoff contained 80% to 95% of the total load for chemical

Keywords： Erhai Lake     field experiment     non-point source     pollution load     rainfall runoff     wash-off model    

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Integrated uncertain models for runoff forecasting and crop planting structure optimization of the Shiyang

Fan ZHANG, Mo LI, Shanshan GUO, Chenglong ZHANG, Ping GUO

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 2,   Pages 177-187 doi: 10.15302/J-FASE-2017177

Abstract: To improve the accuracy of runoff forecasting, an uncertain multiple linear regression (UMLR) model isThe developed system, in which the UMLR model for runoff forecasting and the ITSP model for crop plantingsystem is to optimize crops planting area with limited available water resources base on the downstream runoff

Keywords： crop planting structure optimization     inexact two-stage stochastic programming     runoff forecasting     Shiyang    

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Prediction of hydro-suction dredging depth using data-driven methods

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 652-664 doi: 10.1007/s11709-021-0719-7

Abstract: In this study, data-driven methods (DDMs) including different kinds of group method of data handling (GMDH) hybrid models with particle swarm optimization (PSO) and Henry gas solubility optimization (HGSO) methods, and simple equations methods were applied to simulate the maximum hydro-suction dredging depth (hs). Sixty-seven experiments were conducted under different hydraulic conditions to measure the hs. Also, 33 data samples from three previous studies were used. The model input variables consisted of pipeline diameter (d), the distance between the pipe inlet and sediment level (Z), the velocity of flow passing through the pipeline (u0), the water head (H), and the medium size of particles (D50). Data-driven simulation results indicated that the HGSO algorithm accurately trains the GMDH methods better than the PSO algorithm, whereas the PSO algorithm trained simple simulation equations more precisely. Among all used DDMs, the integrative GMDH-HGSO algorithm provided the highest accuracy (RMSE = 7.086 mm). The results also showed that the integrative GMDHs enhance the accuracy of polynomial GMDHs by ~14.65% (based on the RMSE).

Keywords： sedimentation     water resources     dam engineering     machine learning     heuristic    

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Enhanced LSTM Model for Daily Runoff Prediction in the Upper Huai River Basin, China Article

Yuanyuan Man, Qinli Yang, Junming Shao, Guoqing Wang, Linlong Bai, Yunhong Xue

Engineering 2023, Volume 24, Issue 5,   Pages 230-239 doi: 10.1016/j.eng.2021.12.022

Abstract:

Runoff prediction is of great significance to flood defense.However, due to the complexity and randomness of the runoff process, it is hard to predict daily runoffaccurately, especially for peak runoff.To address this issue, this study proposes an enhanced long short-term memory (LSTM) model for runoff's prediction while weakening the weight of the normal runoff's prediction.

Keywords： Runoff prediction     Long short-term memory     Upper Huai River Basin     Extreme runoff     Loss function    

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Ammonia and phosphorus removal from agricultural runoff using cash crop waste-derived biochars

Alisa Salimova, Jian’e Zuo, Fenglin Liu, Yajiao Wang, Sike Wang, Konstantin Verichev

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 3, doi: 10.1007/s11783-020-1225-1

Abstract: . • The real runoff experiment showed an ammonia nitrogen removal rate of about 80%. • The removal rateof total phosphorus in real runoff experiment was about 95%.cash crop residuals is an economical and practical technology for removing nutrients from agricultural runoffThe simulated runoff infiltration experiment showed that 97.3% of ammonia was removed by Al-modified

Keywords： Biochar     Adsorption     Ammonia removal     Phosphorus removal     Agricultural runoff    

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Classification of contaminants and treatability evaluation of domestic wastewater

WANG Xiaochang, JIN Pengkang, ZHAO Hongmei, MENG Lingba

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 1,   Pages 57-62 doi: 10.1007/s11783-007-0011-7

Abstract: All these could be easily removed by sedimentation or coagulation/sedimentation.

Keywords： Long-term sampling     selection     accordance     wastewater treatment     coagulation/sedimentation    

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Stormwater runoff pollution loads from an urban catchment with rainy climate in China

Liqing LI, Baoqing SHAN, Chenqing YIN

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 5,   Pages 672-677 doi: 10.1007/s11783-012-0447-2

Abstract: Stormwater runoff from an urban catchment with a combined sewer system was sampled and analyzed overThe first flush of COD and SS was significant in all runoff events.More than 50% of the SS and COD loads were transported by the first 30% of runoff volume.

Keywords： combined sewer overflow     pollution load     first flush     detention basins    

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Title Author Date Type Operation

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

Pesticides in stormwater runoff−A mini review

Cheng Chen, Wenshan Guo, Huu Hao Ngo

Journal Article

Preparation and sedimentation behavior of conductive polymeric nanoparticles

WANG Jixiao, LIU Rui, ZHANG Xiaoyan, ZHOU Zhibin, WANG Zhi, WANG Shichang

Journal Article

Transferral of HMs pollution from road-deposited sediments to stormwater runoff during transport processes

Qian Wang, Qionghua Zhang, Mawuli Dzakpasu, Nini Chang, Xiaochang Wang

Journal Article

Advances in LID BMPs research and practice for urban runoff control in China

Haifeng JIA, Hairong YAO, Shaw L. YU

Journal Article

Applying chemical sedimentation process in drinking water treatment plant to address the emergent arsenic

Pengfei LIN,Xiaojian ZHANG,Hongwei YANG,Yong LI,Chao CHEN

Journal Article

Removal of non-point pollutants from bridge runoff by a hydrocyclone using natural water head

Jianghua YU, Yeonseok KIM, Youngchul KIM

Journal Article

Analysis of rainfall runoff characteristics from a subtropical urban lawn catchment in South-east China

Jinliang HUANG, Zhenshun TU, Pengfei DU, Qingsheng LI, Jie LIN

Journal Article

ENHANCING RAINFALL-RUNOFF POLLUTION MODELING BY INCORPORATION OF NEGLECTED PHYSICAL PROCESSES

Journal Article

Integrated uncertain models for runoff forecasting and crop planting structure optimization of the Shiyang

Fan ZHANG, Mo LI, Shanshan GUO, Chenglong ZHANG, Ping GUO

Journal Article

Prediction of hydro-suction dredging depth using data-driven methods

Journal Article

Enhanced LSTM Model for Daily Runoff Prediction in the Upper Huai River Basin, China

Yuanyuan Man, Qinli Yang, Junming Shao, Guoqing Wang, Linlong Bai, Yunhong Xue

Journal Article

Ammonia and phosphorus removal from agricultural runoff using cash crop waste-derived biochars

Alisa Salimova, Jian’e Zuo, Fenglin Liu, Yajiao Wang, Sike Wang, Konstantin Verichev

Journal Article

Classification of contaminants and treatability evaluation of domestic wastewater

WANG Xiaochang, JIN Pengkang, ZHAO Hongmei, MENG Lingba

Journal Article

Stormwater runoff pollution loads from an urban catchment with rainy climate in China

Liqing LI, Baoqing SHAN, Chenqing YIN

Journal Article