American Society of Civil Engineers

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Found 346 Records with the keyword term of "Nitrogen"

Displaying 100 records - please modify your search for better results.

2015  Sediment Fingerprinting for Calibrating a Soil Erosion and Sediment-Yield Model in Mixed Land-Use Watersheds

2014  Agronomic and Stream Nitrate Load Responses to Incentives for Bioenergy Crop Cultivation and Reductions of Carbon Emissions and Fertilizer Use

2014  Application of Liquid Nitrogen Freezing to Recovery of a Collapsed Shield Tunnel

2014  Candidatus Accumulibacter phosphatis: Elusive Bacterium Responsible for Enhanced Biological Phosphorus Removal

2014  Corn Yield Simulation Using the STICS Model under Varying Nitrogen Management and Climate-Change Scenarios

2014  Degradation of 2,4-Dichlorophenoxyacetic Acid in an Internal Circulation Three-Phase Fluidized Photoreactor Using N-TiO2/γ-Al2O3 Granule as Adsorbent and Photocatalyst

2014  DRAINMOD-DSSAT Simulation of the Hydrology, Nitrogen Dynamics, and Plant Growth of a Drained Corn Field in Indiana

2014  Enhanced Nitrogen Removal by Rice Husk Amended Dynamic Membrane Bioreactors

2014  Factorial Study of Rain Garden Design for Nitrogen Removal

2014  Hydrological and Water Quality Assessment in a Suburban Watershed with Mixed Land Uses Using the SWAT Model

2014  Impact of Nitrogen Fertilizer on Maize Evapotranspiration Crop Coefficients under Fully Irrigated, Limited Irrigation, and Rainfed Settings

2014  Maintenance versus Maturation: Constructed Storm-Water Wetland’s Fifth-Year Water Quality and Hydrologic Assessment

2014  Parsimonious Model for Assessing Nutrient Impacts on Periphyton-Dominated Streams

2014  Streamflow and Nutrients from a Karst Watershed with a Downstream Embayment: Chapel Branch Creek

2014  Study on the Correlation between Dissolved Organic Carbon, Specific Oxygen Uptake Rate, and Exchangeable Nitrogen and the Performance of Granular Materials as Support Media for Methanotrophic Biofiltration

2013  Agroeconomic Analysis of Nitrate Crop Source Reductions

2013  Effects of Hydraulic Detention Time, Water Depth, and Duration of Operation on Nitrogen and Phosphorus Removal in a Flow-Through Duckweed Bioremediation System

2013  Engine and Duty Cycle Variability in Diesel Construction Equipment Emissions

2013  Evaluation of Nitrogen Removal and Fate within a Bioinfiltration SCM

2013  Evolution of Organic Matter and Organic Nitrogen in Leachates with Landfilling Age: A Size Distribution and Hydrophobicity Study

2013  Influence of Ultraviolet Light on Photocatalytic TiO2 Materials

2013  Model of Nitrogen Source Allocations and Transformations Using Stable Nitrogen Isotopes

2013  Nitrogen Removal in Vertical-Flow Filters Filled with Lightweight Aggregate Made of Fly Ashes and Gravel

2013  Nutrient Dynamics in Flooded Wetlands. I: Model Development

2013  Nutrient Dynamics in Flooded Wetlands. II: Model Application

2013  Removal of Nitrogen and Phosphorus from Piggery Wastewater Effluent Using the Green Microalga Scenedesmus obliquus

2013  Retention and Transport of Nitrate and Ammonium in Loamy Sand Amended with Clinoptilolite Zeolite

2013  Simulated Storm-Water Runoff Treatment by Duckweed and Algae Ponds

2013  Sustainable Photocatalytic Asphalt Pavements for Mitigation of Nitrogen Oxide and Sulfur Dioxide Vehicle Emissions

2013  Total Nitrogen Losses from Fertilized Turfs on Simulated Highway Slopes in Florida

2012  Biofiltration Processes for Onsite Wastewater Nitrogen Reduction

2012  Character and Treatment of Organic Colloids in Challenging and Impacted Drinking Water Sources

2012  Field Evaluation of Storm-Water Control Measures for Highway Runoff Treatment

2012  Harvestable Nitrogen Accumulation for Five Storm Water Wetland Plant Species: Trigger for Storm Water Control Measure Maintenance?

2012  Influence of Nitric Oxides on Tunnel Demanded Ventilation Volume

2012  Laboratory Evaluation of Environmental Performance of Photocatalytic Titanium Dioxide Warm-Mix Asphalt Pavements

2012  Laboratory Investigation of Ammonium and Nitrate Removal in Vertical-Flow Regimes in Planted and Unplanted Wetland Columns

2012  Mechanical Effects of Biogenic Nitrogen Gas Bubbles in Soils

2012  Multiple Innovations for Enhanced Nitrogen Removal—The Hobbs WWTP Transformation

2012  Nitrogen Oxide Reduction and Nitrate Measurements on TiO2 Photocatalytic Pervious Concrete Pavement

2011  Application of Downflow-Upflow Biological Aerated Filter in the Pretreatment of Raw Water Containing High Ammonia Nitrogen

2011  Application of the Nitritation and Anammox Process into Inorganic Nitrogenous Wastewater from Semiconductor Factory

2011  Impact of Mixed Nitrogen Dioxide (NO/d2) and Nitrogen Oxide (NO) Gases on Titanium Dioxide Photodegradation of NO/dx

2011  Laboratory Investigation of the Effect of Mixed Nitrogen Dioxide and Nitrogen Oxide Gases on Titanium Dioxide Photocatalytic Efficiency in Concrete Pavements

2011  One Technique for Shield Tail Brushes’ Repair Using Liquid Nitrogen Freezing Method in the Artesian Aquifer

2011  Quality of Runoff Leachate Collected from Biosolids and Dairy-Manure Compost-Amended Topsoils

2011  Synergistic Effect of N and Ni2+ on Nanotitania in Photocatalytic Reduction of CO2

2011  Testing and Sensitivity of a Simple Method for Predicting Urban Pollutant Loads

2010  Changes of Temporal Trends and Spatial Patterns of Nitrate-Nitrogen in the Farmland Groundwater Resulting from Water-Saving Irrigation in the Hetao Irrigation District of China

2010  Characterization of On-Site Wastewater Nitrogen Plumes in Shallow Coastal Aquifers, North Carolina

2010  Effect of Carbon Source on Biological Nitrogen and Phosphorus Removal in an Anaerobic-Anoxic-Oxic (A2O) Process

2010  New Insights into the Quality of Urban Storm Water in South Eastern Australia

2010  New York City Begins Operating Largest Nitrogen Removal System of Its Kind

2010  Nitrogen Reduction for Transitional Land Uses

2010  Nitrogen Retention in Bioretention Mesocosms with Outlet Controls

2010  Seasonal Operation of Ponds for Chemical Precipitation of Wastewater

2010  Sediment Oxygen Demand and Nutrient Fluxes for a Tropical Reservoir in Singapore

2010  Side-by-Side Comparison of Nitrogen Species Removal for Four Types of Permeable Pavement and Standard Asphalt in Eastern North Carolina

2010  Techniques for Nitrogen Management in Municipal Solid Waste Composting

2010  Volumetric Filtration of Rainfall Runoff. II: Event-Based and Interevent Nutrient Fate

2010  Watershed-Scale Impacts of Nitrogen from On-Site Wastewater Systems: Parameter Sensitivity and Model Calibration

2009  Ambient Ozone Formation Contribution in Central Taiwan: Case Study

2009  Application of Enhanced Methods of Phosphorus and Nitrogen Removal from Wastewater

2009  Assessment of Nitrogen and Phosphorus Control Trade-Offs Using a Water Quality Model with a Response Surface Method

2009  Blue Plains Upgrades Will Reduce Nitrogen Levels, Energy Demand

2009  Carbon and Nitrogen Isotopic Measurements from Southern Appalachian Soils: Assessing Soil Carbon Sequestration under Climate and Land-Use Variation

2009  Characteristics of Nitrogen and Organic Substance Removal by Bioreactor with Novel Carriers

2009  The Nitrogen Budget of DRW in the Northeastern China

2009  Nitrogen Transformation in Two-Phase Anaerobic System of Monosodium Glutamate Wastewater Treatment

2009  Physiological and Yield Response of Green Bell Pepper to Soil Moisture Sensor Controlled Drip Irrigation

2009  Prediction of Nutrient Concentrations in Urban Storm Water

2009  Solid/Liquid Separation of Pig Manure by Biological Flotation: Pilot-Scale Study

2008  Concentrated Animal Feeding Operations (CAFOs) and Nitrogen Conversions in the Groundwater Environment

2008  The Estimation of Total Nitrogen and Total Phosphorus Outflow Loads from Watersheds Located behind the Closed Water Area

2008  Evaluation of a Modeling Approach to Assess Nitrogen Assimilative Capacity due to River Restoration

2008  Lysimeter STudies on Nitrogen Transport and Transformation as Affected by Contaminated Water Irrigation

2008  Making Asset Investment Decisions for Wastewater Systems That Include Sustainability

2008  Modeling Total Dissolved Gas Concentration Downstream of Spillways

2008  Nutrient Retention in Mature Vegetated Bioretention Systems under Elevated Nutrient Loads

2008  Nutrient Retention in Vegetated and Nonvegetated Bioretention Mesocosms

2008  Simultaneous Nitrogen and Phosphorous Removal Using a Double Sludge Switching Sequencing Batch Reactor

2008  Sorptive Media Biofiltration for Inorganic Nitrogen Removal from Storm Water

2008  Sulphate Reduction in a Three-Stage Packed-Bed Anaerobic Bioreactor

2008  WinHSPF Model Simulations of Nitrogen and pH for a Low-Alkalinity Stream Impacted from Atmospheric Acid Deposition

2007  Development and Evaluation of Soil Moisture-Based Seepage Irrigation Management for Water Use and Quality

2007  Development of Spatiotemporal Source-Sink, Stratified Nitrogen Water Quality Model

2007  Dual Stage Filter for Inorganic Nitrogen Removal from Stormwater

2007  Evaluation of the Influence of Loading Conditions on the Simultaneous Removal of Organic Matter and Nitrogen in SSHF Constructed Wetlands

2007  Hydrology and Nitrogen Components of a Simple Rye Growth Model

2007  Redox Control Bioreactor for Enhanced Nitrogen Removal from Septic Tank Effluent

2007  Robust Optimal Design of Activated Sludge Bioreactors

2007  Wastewater: U.S. EPA Mandates Significant Nitrogen Reductions at Blue Plains

2006  Capability of Immobilized Mix Culture Technique as a Bio-Eco Engineering for River Basin Management

2006  Combination of Drainage Water Management, Cover Cropping, and Wetland Diversion as a Suite of BMPs to Reduce Nitrogen Loss from Cropland

2006  Controlled Drainage and Nutrient Management Planning Reduce Drainage Outflow and Nitrogen Transport

2006  Forecast of Summer Anoxia in the Chesapeake Bay

2006  A Fundamental Study on In-Situ Method for Removal of Nitrate-Nitrogen Contaminated Groundwater

2006  Impact of Agriculture on Water Quality in the North Carolina Middle Coastal Plain

2006  Integration of Processes to Treat Wastewater and Source-Separated Urine

2006  Irrigation and Nitrogen Best Management Practices under Drip Irrigated Vegetable Production