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A Comparison of SWAT Model Calibration Techniquesfor Hydrological Modeling in the Ganga River Watershed

Nikita Shivhare, Prabhat Kumar Singh Dikshit, Shyam Bihari

Engineering 2018, Volume 4, Issue 5,   Pages 643-652 doi: 10.1016/j.eng.2018.08.012

Abstract: Anticipated climate changes and an expanding populace are expected to further impede the efficient use of waterIn this study, hydrological modeling was applied to Soil and Water Assessment Tool (SWAT) modeling inthis study are: ① To test the execution and applicability of the SWATThe input data used in the SWAT were the Shuttle Radar Topography Mission (SRTM) digital elevation modelrsquo;s n value for the main channel (CH_N2), the surface runoff lag time (SURLAG), and the available water

Keywords： Remote sensing     Geographic information system     Soil and Water Assessment Tool     Hydrological modeling     SUFI    

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Evaluation of SWAT sub-daily runoff estimation at small agricultural watershed in Korea

Ganga Ram Maharjan, Youn Shik Park, Nam Won Kim, Dong Seok Shin, Jae Wan Choi, Geun Woo Hyun, Ji-Hong Jeon, Yong Sik Ok, Kyoung Jae Lim

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 1,   Pages 109-119 doi: 10.1007/s11783-012-0418-7

Abstract: for the prediction of runoff flow from 0.8 ha field-sized agricultural watershed in South Korea using Soiland Water Assessment Tool (SWAT) sub-daily.was found as in the rank order of CN2 (curve number), ESCO (soil evaporation compensation factor), GW_DELAY(ground water delay time), ALPHA_BF ( base flow alpha factor), GWQMN ( a threshold minimum depth ofwater in the shallow aquifer required for return flow to occur) , REVAPMN (minimum depth of water in

Keywords： Soil and Water Assessment Tool (SWAT)     sub-daily simulation     runoff     rainfall    

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Runoff Modeling in Ungauged Catchments Using Machine Learning Algorithm-Based Model Parameters Regionalization Methodology Article

Houfa Wu,Jianyun Zhang,Zhenxin Bao,Guoqing Wang,Wensheng Wang,Yanqing Yang,Jie Wang

Engineering 2023, Volume 28, Issue 9,   Pages 93-104 doi: 10.1016/j.eng.2021.12.014

Abstract: determination (R2), and percent bias (PBIAS) indicated the acceptable performance of the soiland water assessment tool (SWAT) model in the YHHRB.Nine descriptors belonging to the categories of climate, soil, vegetation, and topography were used toThe quantitative relationships between the parameters of the SWAT model and the catchment descriptorsThe new findings could improve flood forecasting and water resources planning in regions that lack observed

Keywords： Parameters estimation     Ungauged catchments     Regionalization scheme     Machine learning algorithms     Soil andwater assessment tool model    

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SOIL CARBON CHECK: A TOOL FOR MONITORING AND GUIDING SOIL CARBON SEQUESTRATION IN FARMER FIELDS

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 2,   Pages 248-261 doi: 10.15302/J-FASE-2023499

Abstract:

● Establishment of a rapid tool for monitoring soil carbon sequestration

Keywords： 4 per 1000 initiative     carbon sequestration     climate action     farmer fields     SDG13     soil organic carbon     soil testing    

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Assessment of future climate change impacts on water-heat-salt migration in unsaturated frozen soil using

Hanli Wan, Jianmin Bian, Han Zhang, Yihan Li

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 1, doi: 10.1007/s11783-020-1302-5

Abstract: Abstract • A model coupling water-heat-salt of unsaturated frozen soil was established. • Future temperature, precipitation, and evaporation increase in freeze–thaw period. • Soil water, heat, and salt transportThe transport mechanisms of water, heat, and salt in unsaturated frozen soil, as well as its responseThe water, heat, and salt dynamics of unsaturated frozen soil under three representative concentrationThe results show that water, heat, and salt migration are tightly coupled, and the soil salt concentration

Keywords： Soil salinization     Climate change     Unsaturated frozen soil     Water-heat-salt balance     Soil environment change    

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A review of soil nematodes as biological indicators for the assessment of soil health

Qiaofang LU, Tongtong LIU, Nanqi WANG, Zhechao DOU, Kunguang WANG, Yuanmei ZUO

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 3,   Pages 275-281 doi: 10.15302/J-FASE-2020327

Abstract: assessment with increasing societal concern over environmentally friendly agricultural development.Soil health is the capacity of soil to function within ecological boundaries to sustain productivity,Soil nematode communities are useful biological indicators of soil health, with community characteristics, with changes in soil nematode communities reflecting soil disturbance.of these advantages soil nematodes are increasingly being used as biological indicators of soil health

Keywords： biological indicators     community characteristics     soil health     soil nematodes    

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Ecotoxicity assessment of soil irrigated with domestic wastewater using different extractions

Wenyan LIANG,Lili SUI,Yuan ZHAO,Feizhen LI,Lijun LIU,Di XIE

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4,   Pages 685-693 doi: 10.1007/s11783-014-0752-z

Abstract: The toxicity of soil irrigated with treated domestic wastewater (site A) and untreated gray wastewaterSoil extracts were prepared using distilled water, acid solvent (0.1 mol·L HCl), and organic solventThe results indicated that the wastewater irrigation at site A had no effects on the soil properties.However, the irrigation at site A did not result in obvious acute toxicity or genotoxicity in the soilThe soil properties changed greatly, and HMs (Cu, Ni, and Cr) accumulated in site B.

Keywords： ecotoxicology     domestic wastewater     soil irrigation     risk assessment     organic extraction    

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Assessment of glass fiber-reinforced polyester pipe powder in soil improvement

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 742-753 doi: 10.1007/s11709-021-0732-x

Abstract: Then, using the optimum PP addition, the bearing capacity of the soil was estimated through a seriesThe bearing capacity of sandy soil was improved by up to 30.7%.The ratio of the depth of the PP-reinforced soil to the diameter of the foundation model (H/D) of 1.25 could sufficiently strengthen sandy soil when the optimum PP ratio was used.capacity can be attributed to the chopped fibers in the PP and their multiaxial distribution in the soil

Keywords： shallow foundation     sandy soil     bearing capacity     soil improvement     pipe powder    

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Machine learning-based seismic assessment of framed structures with soil-structure interaction

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2,   Pages 205-223 doi: 10.1007/s11709-022-0909-y

Abstract: technique (MLT) to predict the seismic performance of low- to mid-rise frame structures considering soil-structureA new global seismic assessment ratio was introduced that considers both serviceability and strengthprovides recommendations for building component design based on the newly introduced global seismic assessmentand peak ground acceleration (PGA) was found to be the most influential input parameter in the assessment

Keywords： seismic hazard     artificial neural network     soil-structure interaction     seismic analysis    

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REGIONAL ASSESSMENT OF SOIL NITROGEN MINERALIZATION IN DIVERSE CROPLAND OF A REPRESENTATIVE INTENSIVE

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 4,   Pages 530-540 doi: 10.15302/J-FASE-2023515

Abstract:

Soil nitrogen mineralization (Nmin) is a key process that converts organic N into mineralN that controls soil N availability to plants.However, regional assessments of soil Nmin in cropland and its affecting factors areThe rates of soil Nmin and Nit were positively correlated with several key soil parametersindicated that soil variables regulated soil Nmin and Nit in cropland fields.

Keywords： cropland     gross nitrification rate     regulatory factors     soil nitrogen mineralization     spatial variation    

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LINKING CROP WATER PRODUCTIVITY TO SOIL PHYSICAL, CHEMICAL AND MICROBIAL PROPERTIES

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 4,   Pages 545-558 doi: 10.15302/J-FASE -2020349

Abstract:

Agriculture uses a large proportion of global and regional water resources.Due to the rapid increase of population in the world, the increasing competition for water resourceshas led to an urgent need in increasing crop water productivity for agricultural sustainability.This review examines the effects of soil physical, chemical, and microbial properties on crop water productivityA comprehensive view of these relationships may provide important insights for soil and water management

Keywords： crop water productivity     crop yield     soil chemical properties     soil microbial properties     soil physicalproperties     water consumption    

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A constrained neural network model for soil liquefaction assessment with global applicability

Yifan ZHANG, Rui WANG, Jian-Min ZHANG, Jianhong ZHANG

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 5,   Pages 1066-1082 doi: 10.1007/s11709-020-0651-2

Abstract: A constrained back propagation neural network (C-BPNN) model for standard penetration test based soilliquefaction assessment with global applicability is developed, incorporating existing knowledge forThe C-BPNN model design procedure for liquefaction assessment is established by considering appropriatemethod is validated using the liquefaction data set and compared with that of several liquefaction assessment

Keywords： soil liquefaction assessment     case history dataset     constrained neural network model     existing knowledge    

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Soil-water interaction in unsaturated expansive soil slopes

ZHAN Liangtong

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 2,   Pages 198-204 doi: 10.1007/s11709-007-0023-1

Abstract: The intensive soil-water interaction in unsaturated expansive soil is one of the major reasons for slopeIn this paper, the soil-water interaction is investigated with the full-scale field inspection of rainwaterIt is demonstrated that the soil-water interaction induced by seasonal wetting-drying cycles is verycomplex, and it involves coupled effects among the changes in water content, suction, stress, deformationIn addition, the abundant cracks in the expansive soil play an important role in the soil-water interaction

Keywords： strength     intensive soil-water     comprehensive     Infiltration     wetting-induced softening    

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

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

Abstract: A series of ecological projects has implemented aimed at soil and water conservation and ecological managementthe ecological projects are apparent mainly through a marked increase in vegetation cover, controlled soil

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

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Quantitative analysis of yield and soil water balance for summer maize on the piedmont of the North China

Jingjing WANG,Feng HUANG,Baoguo LI

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 4,   Pages 295-310 doi: 10.15302/J-FASE-2015074

Abstract: production area in China, but the current winter wheat-summer maize system has resulted in a large waterThis water-shortage necessitates the improvement of crop water productivity in the NCP.A crop water model, AquaCrop, was adopted to investigate yield and water productivity (WP) for rain-fedThe RMSE between the simulated and measured soil water storage at depth of 0–100 cm ranged from 4.09capillary groundwater would not result in groundwater over-tapping since the precipitation can meet the water

Keywords： AquaCrop     summer maize     soil water balance     water productivity    

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Title Author Date Type Operation

A Comparison of SWAT Model Calibration Techniquesfor Hydrological Modeling in the Ganga River Watershed

Nikita Shivhare, Prabhat Kumar Singh Dikshit, Shyam Bihari

Journal Article

Evaluation of SWAT sub-daily runoff estimation at small agricultural watershed in Korea

Ganga Ram Maharjan, Youn Shik Park, Nam Won Kim, Dong Seok Shin, Jae Wan Choi, Geun Woo Hyun, Ji-Hong Jeon, Yong Sik Ok, Kyoung Jae Lim

Journal Article

Runoff Modeling in Ungauged Catchments Using Machine Learning Algorithm-Based Model Parameters Regionalization Methodology

Houfa Wu,Jianyun Zhang,Zhenxin Bao,Guoqing Wang,Wensheng Wang,Yanqing Yang,Jie Wang

Journal Article

SOIL CARBON CHECK: A TOOL FOR MONITORING AND GUIDING SOIL CARBON SEQUESTRATION IN FARMER FIELDS

Journal Article

Assessment of future climate change impacts on water-heat-salt migration in unsaturated frozen soil using

Hanli Wan, Jianmin Bian, Han Zhang, Yihan Li

Journal Article

A review of soil nematodes as biological indicators for the assessment of soil health

Qiaofang LU, Tongtong LIU, Nanqi WANG, Zhechao DOU, Kunguang WANG, Yuanmei ZUO

Journal Article

Ecotoxicity assessment of soil irrigated with domestic wastewater using different extractions

Wenyan LIANG,Lili SUI,Yuan ZHAO,Feizhen LI,Lijun LIU,Di XIE

Journal Article

Assessment of glass fiber-reinforced polyester pipe powder in soil improvement

Journal Article

Machine learning-based seismic assessment of framed structures with soil-structure interaction

Journal Article

REGIONAL ASSESSMENT OF SOIL NITROGEN MINERALIZATION IN DIVERSE CROPLAND OF A REPRESENTATIVE INTENSIVE

Journal Article

LINKING CROP WATER PRODUCTIVITY TO SOIL PHYSICAL, CHEMICAL AND MICROBIAL PROPERTIES

Journal Article

A constrained neural network model for soil liquefaction assessment with global applicability

Yifan ZHANG, Rui WANG, Jian-Min ZHANG, Jianhong ZHANG

Journal Article

Soil-water interaction in unsaturated expansive soil slopes

ZHAN Liangtong

Journal Article

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

Journal Article

Quantitative analysis of yield and soil water balance for summer maize on the piedmont of the North China

Jingjing WANG,Feng HUANG,Baoguo LI

Journal Article