Essays about: "Sedimentation"

Showing result 1 - 5 of 120 essays containing the word Sedimentation.

  1. 1. Environmental change during the Holocene : A comparative multi-proxy study of landscape disturbances in Northern Sweden

    University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Author : Mégane Capel; [2019]
    Keywords : Holocene; Lake-Water TOC; climate; lake sediment; vegetation;

    Abstract : Varved lake sediments were used to provide information on how a landscape is affected by disturbances of different scales, from global (i.e. climatic) to local (i.e. READ MORE

  2. 2. The content, chemical state and accumulation of vanadium in a drill core of Alum shale from Kinnekulle

    University essay from Lunds universitet/Kemiska institutionen

    Author : Niklas Gunnarsson; [2019]
    Keywords : Alum Shale Formation; Alum shale; Kinnekulle; Vanadium; Inorganic chemistry; Oorganisk kemi; Chemistry;

    Abstract : Exploitation of alum shale is a controversial subject in Sweden due to the history of pollution of the environment and groundwater, from past mining industries. The extraction of vanadium from alum shale is no different. Nevertheless the metal is a valuable resource used in tools, building, industries and aerospace materials. READ MORE

  3. 3. Olika filtermaterial vid jordbruksdränering

    University essay from SLU/Dept. of Soil and Environment

    Author : Hanna Falk; [2019]
    Keywords : dräneringsfilter; mineralfilter; organiska filter; syntetiska filter;

    Abstract : Drainage of arable land creates a better soil structure and a better aeration of the soil profile. Some fields are naturally drained, while others are dependent on drainage to create good cultivation conditions. Subsurface drainage is the most common method used to artificially drain arable land. READ MORE

  4. 4. Hydraulics of lamella sedimentation.A study of the lamella settlers at Ringsjö water treatment plant, Sweden.

    University essay from Lunds universitet/Avdelningen för Teknisk vattenresurslära

    Author : Maria Lytra; [2019]
    Keywords : Lamella settling tanks; Inclined sedimentation; Ringsjö water treatment plant; Suspended solids separation; Technology and Engineering;

    Abstract : This study investigates the lamella settlers in Ringsjö water treatment plant, Sweden, in terms of water movement and performance. The treatment plant has two blocks with differences in the flocculation and lamella settlers, where block 1 is not able to process the maximum designed flow rate without the addition of polymers. READ MORE

  5. 5. Runoff modelling and assessment of treatment wetland performance using a triangular form based multiple flow algorithm

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Clara Hübinger; [2019]
    Keywords : Earth and Environmental Sciences;

    Abstract : Eutrophication is one of the biggest threats to aquatic ecosystems. As nutrient load increases in marine environments in the Öresund and Baltic Sea and dead zones grow, Swedish municipalities further their efforts in limiting the amount of nutrients delivered into those environments. READ MORE