Showing 21 - 40 results of 99 for search '"surface runoff"', query time: 0.08s Refine Results
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    Study for Urban Dike-pond System on Non-point Pollution Control in Hydro-fluctuation Belt of the Hanfeng Lake by ZHANG Xin, CHEN Yaxian, ZHENG Yarong, XIAO Xing, WANG Yan, SUN Rong

    Published 2020-01-01
    “…Based on the wetland system of urban landscape dike-pond,and enhanced biological treatment of dike-pond by planting a variety of aquatic plants,this paper discusses the ability of multi-pond wetland system to reduce nitrogen,phosphorus,COD and other pollutants in urban surface runoff,and analyzes the concentration change of nitrogen,phosphorus,COD and other pollutants in urban surface along the lake.The results show that:Before and after rain,the multi-pond system has a better treatment effect on urban surface runoff;the larger the area and the higher the vegetation coverage,the better the treatment effect on surface runoff sewage.Both before and after the rain,artificially designed dike-ponds have higher pollutant removal efficiency than the natural dike-ponds.In overall,the wetland systems of urban landscape dike-pond have better treatment effect on surface runoff,the removal efficiency after rain is higher than that before rain,and TN,TP,NH<sup>+</sup><sub>4</sub>-N,COD reduces along the lake.…”
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  6. 26

    Research on Parameter Sensitivity of Reasoning Formula Based on Error Principle by ZHOU Bin

    Published 2020-01-01
    “…The reasoning formula for calculating rainstorm and flood is widely used in China, andthe error of its original parameters will lead to the calculation error of surface runoff peakvalue. The relative error propagation equation of the first-order algebraic precision of eachoriginal parameter can be obtained by expanding the basic equation of reasoning formula with thefirst-order Taylor formula of multivariate function. …”
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  7. 27

    Characteristics of Rainfall Runoff and Soil Moisure Variation in Limestone Soil and Red Soil Slopes by CHEN Xiaona, PAN Yanfei, XU Qinxue, FANG Rongjie, WANG Shaoxu

    Published 2024-08-01
    “…The results are as follows. ① The runoff generation on limestone soil slopes is dominated by subsurface runoff, with an average subsurface runoff coefficient of 0.087; the runoff generation on red soil slopes is dominated by surface runoff, with an average surface runoff coefficient of 0.088. ② The runoff generation on limestone soil slopes starts only when the rainfall is moderate, and there is no significant change in the surface runoff coefficient with the increase of rainfall grade. …”
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  8. 28

    Effects of Different Snow Clearing Measures on Urban Snowmelt Runoff Management by MA Zhenjie, FENG Youcan, TIAN Lin, GAO Jinhua, XUE Lijun

    Published 2024-07-01
    “…The findings indicate that the three snow clearing measures play a significant role in the regulation of urban surface runoff in cold regions, leading to an increase in surface runoff control rates ranging from 5.9% to 21.8%. …”
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  9. 29

    Simulation of the Hydrological Components of Dez River Basin by the classification of Land Use Categories Using SUFI-2 Algorithm by Elaheh Asgari, Mohammad Baaghideh, Majid Hosseini, Alireza Entezari, Asghar Kamyar

    Published 2021-12-01
    “…The results of the model showed that the areas with forest use share the highest contribution to aquifer nutrition, and the barren lands have the highest surface runoff. Surface runoff has the leading role in creating the main stream of the river and after that the main flow has been effective in this area. …”
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  10. 30

    Study of the impact of drought on the runoff system and the dam on Oued Za using romote sensing techniques (Eastern Morocco) by Karboub Abdelaziz, Ghzal Mohammed, Sbai Abdelkader, Mouadili Omar

    Published 2025-01-01
    “…This is directly reflected in the general water supply, whether surface runoff, which remains low in the region, or groundwater, which is directly affected by prevailing climatic conditions. …”
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    Attribution and Risk Projections of Hydrological Drought Over Water‐Scarce Central Asia by Xinfeng Wu, Wenhui Tang, Feng Chen, Shijie Wang, Zulfiyor Bakhtiyorov, Yuxin Liu, Yansong Guan

    Published 2025-01-01
    “…We found that global warming contributes to the long‐term decrease in surface runoff, while short‐term fluctuations in surface runoff are caused by the El Niño‐Southern Oscillation, such as southern CA drying induced by decreasing precipitation during La Niña. …”
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  12. 32

    Response of Runoff and Sediment Yield from Maize Slope Farmland in Karst Areas to Slope Gradient by WU Guangqin, DAI Quanhou, WANG Yong, DING Pengwei, YAO Yiwen

    Published 2024-12-01
    “…[Objective] To elucidate the responses of surface runoff, subsurface runoff, and underground runoff hydrological pathways to slope in maize sloping farmland in Karst regions. …”
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    Analysis of Changes in Rainfall-Runoff Process of Dakeng River in Guangzhou Before and After Urbanization by WAN Ru'nan, LIN Kairong, XIAO Mingzhong, WANG Simin, LI Biqi

    Published 2024-10-01
    “…The increase in impermeable surface area and hardening of underlying surface result in increased surface runoff, peak flow and runoff coefficient, and decreased basin lag time. ② The increase in surface runoff coefficient and peak flow after urbanization is directly proportional to the total precipitation. …”
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    Exemplifying the Effects Using WetSpass Model Depicting the Landscape Modifications on Long-Term Surface and Subsurface Hydrological Water Balance in Bilate Basin, Ethiopia by Abera Shigute Nannawo, Tarun Kumar Lohani, Abunu Atlabachew Eshete

    Published 2021-01-01
    “…The goodness of fit in surface runoff and subsurface flow for the two model outputs with the square of regression (R2) of 0.79 and 0.81, while the root mean square errors (RMSEs) 8.26 mm and 8.39 mm for 1989 and 2019, respectively, were calculated. …”
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  15. 35

    Physical Tank Experiment Investigation on Rainfall Producing Groundwater Level in Homogeneous Material Slopes by Chao Zhang, Wei Shao, Fucai Yue, Pooya Saffari, Wen Nie

    Published 2019-01-01
    “…., simple tank model, surface runoff tank model, and lateral water flow supply tank model). …”
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    Hydrological Layered Dialysis Research on Supply Chain Financial Risk Prediction under Big Data Scenario by Jia Liu, Shiyong Li, Xiaoxia Zhu

    Published 2018-01-01
    “…Second, we construct the risk identification models of “water circle model,” “surface runoff model,” and “underground runoff model” and carry on the risk prediction from the overall level (water circle). …”
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    Modeling Impact of Land Use Dynamics on Hydrology and Sedimentation of Megech Dam Watershed, Ethiopia by Abebe Tarko Assfaw

    Published 2020-01-01
    “…This shows that streamflow, surface runoff, and sediment yield increases by 10.2%, 26.03%, and 33.3% in 2016 land use as compared with 1998 land use. …”
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    Effects of Alpine Wetland Landscapes on Regional Climate on the Zoige Plateau of China by Junhong Bai, Qiongqiong Lu, Qingqing Zhao, Junjing Wang, Hua Ouyang

    Published 2013-01-01
    “…Meanwhile, the changes in precipitation and surface runoff fluxes before and after the typical wetland degradation were discussed, and the effects of wetland degradation on soil organic carbon were assessed. …”
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    Evaluation of Soil Drainage Methods for the Productivity of Waterlogged Vertisols in Jama District, Eastern Amhara Region, Ethiopia by Muluken Lebay, Wudu Abiye, Tilahun Taye, Seid Belay

    Published 2021-01-01
    “…The result indicated that the effect of BBF120 brought significantly (P<0.05) higher difference on surface runoff, yield, and biomass of wheat over BBF40. …”
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  20. 40

    Effects of Vegetation Restoration on Soil Infiltration and Runoff in the Gully Regions on the Loess Plateau by MA Xueyan, MU Xingmin, WANG Shuangyin, BAI Yungang, NIU Fangpeng

    Published 2024-12-01
    “…[Results] (1) Vegetation restoration significantly increased the values of soil infiltration characteristics and capacity, with the order of artificial forest > natural grassland > corn farmland. (2) Compared to bare ground, grassland increased the transformation of rainfall into soil storage, reduced surface runoff, and led to the appearance of multiple layers of interflow. (3) Compared to bare ground, grassland showed more rapid changes in soil moisture content, richer runoff components, and less runoff volume. (4) When the intensity of rainfall on bare ground was much greater than the infiltration capacity of the land, surface runoff would be formed rapidly, and the amount of infiltration would be small, and there was a shallow and relatively impermeable layer in naturally restored grassland, and there was a big difference between the infiltration capacity of the upper and lower soil layers, so as to form a loamy mid-stream. …”
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