Search for dissertations about: "ditches"
Showing result 1 - 5 of 15 swedish dissertations containing the word ditches.
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1. Frost line under road embankments : Impact of snow in ditches
Abstract : .... READ MORE
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2. Crash Compatibility between Roadside Infrastructure and Passenger Vehicles: Improving the Geometric and Structural Compatibility to Reduce Fatalities
Abstract : Roadside accidents cause a significant number of fatalities each year in the world. To reducethis type of accident, roadside infrastructure needs to be investigated to improve protection todifferent kinds of passenger vehicles during crashes. READ MORE
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3. Soil Erosion and Mass Movement in Agricultural Drainage Ditches
Abstract : Agricultural drainage ditches degrade over time. This degradation is often due to soil erosion, which can cause mass movement (bank failure) when the toe of the bank is eroded or the slope of the bank is too steep. Soil eroded or displaced by mass movement is either transported by the flowing water or deposited in the drainage ditch. READ MORE
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4. Soil Salinity and Crop Yield at El-Salam Canal Area, Egypt
Abstract : Soil salinity and solute movements through the soil are considered the most important challenge facing agriculture in Arid and Semiarid regions (e.g., Egypt). READ MORE
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5. Water and sediment quality of urban water bodies in cold climates
Abstract : The aim of this study was to investigate and quantify pollution impact on urban waterbodies in cold climates and to find out which complex processes and influencing factors causetrapping or spread of pollutants. In order to do that water, sediment and porewater samplesfrom bays and stormwater ditches in Luleå, northern Sweden, and from an artificialstormwater pond in Sollentuna, south-central Sweden, were analysed for LOI, trace metalsand PAHs. READ MORE