Essays about: "järn"

Showing result 1 - 5 of 160 essays containing the word järn.

  1. 1. Brownification in a small stream originating from a peatland - A case study from Ryds Å in south Sweden

    University essay from Lunds universitet/Avdelningen för Teknisk vattenresurslära

    Author : Emelie Ström; Frida Karlsson Öhman; [2024]
    Keywords : Brownification; Peatland; Bolmen; DOM; Water Quality; Inflow; Technology and Engineering;

    Abstract : Brunifiering syftar till en process där vattnet blir brunare på grund av ökade halter av naturligt organiskt material och järn, vilket innebär utmaningar för miljön och människor. Sjön Bolmen i södra Sverige har problem med brunare vatten. READ MORE

  3. 2. Coupling between iron and humic substances in a land-sea transitional zone in the northern Baltic Sea

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

    Author : Anna Osterman; [2023]
    Keywords : Iron; Humic substances; Dissolved organic carbon; Baltic Sea; Rivers;

    Abstract : In marine ecosystems around the world, iron (Fe) is a well-studied and important trace element which has been found to stimulate phytoplankton and cyanobacteria growth, as well as limit nitrogen fixation and being essential for Legionella pneumophila which is known as the main cause of Legionnaires’ disease. Fe also contributes to the brownification of freshwater and has recently been documented to increase in concentration in rivers in Sweden. READ MORE

  4. 3. Investigating the potential correlations between metal and metalloid concentrations and soil color : A Minor Field Study on the island province of Marinduque, Philippines

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Ivana Pia Saric Söderholm; Erik Readwin; [2023]
    Keywords : Marinduque; Metal and Metalloid; Nix Pro 2 Color Sensor; Philippines; Soil color; X-Ray Fluorescence XRF ; Filippinerna; Jordfärg; Marinduque; Metall och Metalloid; Nix Pro 2 Color Sensor; Röntgenfluorescens XRF ;

    Abstract : This study was carried out as a bachelor's thesis at KTH Royal Institute of Technology during the spring of 2023, investigating the correlation between the color with the concentration of various metal and metalloids (MMs) in the soil of Marinduque, The Philippines. With a history of mineral exploitation, notably copper and gold, the island has faced persistent environmental challenges, exemplified by the catastrophic waste spills in 1993 and 1996 that contaminated the Boac and Mogpog Rivers. READ MORE

  5. 4. Water quality improvement of highway runoff by the filter material D-Rainclean : A five-month field trial

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : William Gulding; [2023]
    Keywords : Adsorption; D-Rainclean; metal removal; Reactive filter; stormwater treatment;

    Abstract : Highway runoff and its pollutants are of growing concern. These pollutants require treatment as their concentration often are increased. A common removal method is the use of sedimentation ponds that removes particulates through gravity. READ MORE

  6. 5. On the Carbon Border: The Western Balkans and the EU Carbon Border Adjustment Mechanism

    University essay from Lunds universitet/Centrum för miljö- och klimatvetenskap (CEC)

    Author : Daniella Andersson; [2023]
    Keywords : Western Balkan; European Union EU ; Carbon Border Adjustment Mechanism; Earth and Environmental Sciences; Social Sciences;

    Abstract : In May 2023, the EU adopted a crucial part of their updated climate policy, the Carbon Border Adjustment Mechanism (CBAM). This thesis poses questions about how this novel legislation affects the EUs South-Eastern neighbours, the Western Balkans (WB). READ MORE