Essays about: "grab samples"

Showing result 1 - 5 of 18 essays containing the words grab samples.

  1. 1. Platsens betydelse för växtnäringsläckage från jordbruksmark i Sverige

    University essay from SLU/Dept. of Soil and Environment

    Author : Frida Lundell; [2023]
    Keywords : kväve- och fosforutlakning; rumslig variation; långtidsövervakning;

    Abstract : Växtnäringsläckage av kväve (N) och fosfor (P) från jordbruksmark tillför näringsämnen till hav och vattendrag. Det är viktigt att minska transporten av N och P av flera anledningar, då det bland annat är en stor bidragande faktor till övergödning. READ MORE

  3. 2. Variation i torrsubstanshalt mellan balar från samma vallfoderparti och dess påverkan på utfodring

    University essay from SLU/Dept. of Anatomy, Physiology and Biochemistry

    Author : Karin Berlin; Carin Danielsson; [2022]
    Keywords : hösilage; häst; grovfoder;

    Abstract : Horses are adapted to eat grass and require sufficient amounts of forage with good hygienic quality. Forage with good hygienic quality have low levels of detrimental bacteria, fungi and toxins. For this reason, conserved grass such as hay, silage or haylage is necessary during the winter period, due to the absence of fresh grass. READ MORE

  4. 3. Treatment of dissolved metals in highway runoff water : Pilot-scale trial with four reactive filter media and sand filter

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Serena Bianchi; [2021]
    Keywords : stormwater treatment; metal removal; adsorption; reactive filter media; sand filtration; Petrit-T; Polonite; D-Rainclean; Filtralite-P; de-icing salt; pressure drop; filter clogging; rening av dagvatten; avl ̈agsnande av metaller; adsorption; reaktiva filterme- dier; sandfiltrering; Petrit-T; Polonite; D-Rainclean; Filtralite-P; avisningssalt; tryckfall; filterstoppning;

    Abstract : The increasing highway traffic is leading to higher and higher levels of pollutants in the stormwater, such as suspended solids, metals, oils, nutrients and PAH. This runoff water causes the degradation of water bodies quality, leading to increased interest in the treatment of highway runoff for the removal of contaminants. READ MORE

  5. 4. The role of agricultural drainage in controlling the effectiveness of two-stage ditches in Sweden

    University essay from SLU/Dept. of Soil and Environment

    Author : Neerajaa Nagarajan; [2021]
    Keywords : Subsurface drainage; Absorbance flourescence spectroscopy; Suspended sediments; NO3N; NH4N; PO4P; TP values; DOM indices;

    Abstract : Increased agricultural activities are causing eutrophication in downstream water bodies. To mitigate nutrient leaching from cropland, various in-field and edge-of-field practices have been implemented. READ MORE

  6. 5. Högfrekventa mätningar med sensorer för transportberäkning av totalfosfor i vattendrag

    University essay from SLU/Dept. of Aquatic Sciences and Assessment

    Author : Nora Ottander; [2020]
    Keywords : turbiditet; fosfor; sensor; transportberäkning; övergödning;

    Abstract : Large areas in the Baltic Sea suffer from eutrophication, due to excessive input of nutrients, mostly nitrogen and phosphorus, from surrounding coasts. The transfer of phosphorus is mostly riverine. READ MORE