Essays about: "Gavleån"

Showing result 1 - 5 of 8 essays containing the word Gavleån.

  1. 1. A Feasibility Study of Using River Water in University Cooling System

    University essay from Högskolan i Gävle/Avdelningen för bygg- energi- och miljöteknik

    Author : Xuanlin Zhu; [2015]
    Keywords : Water Source Cooling; River Water; Gavleån; Refrigerator; Simulation; Building cooling consumption;

    Abstract : This thesis is to study the feasibility of using river water from Gavleån in the cooling system of University of Gävle. The project is proposed by the campus service manager Akademiska Hus AB which intended to replace the current cooling production system with the water cooling system to reduce the electricity cost in cooling production. READ MORE

  3. 2. Påverkan på Valboåsen från verksamheter inom Svedens industriområde samt närliggande områden : hot mot grundvattnets kvalitet och kvantitet?

    University essay from SLU/Dept. of Soil and Environment

    Author : Patrik Hanson; [2015]
    Keywords : grundvatten; dricksvatten; ytvatten; potentiella föroreningsrisker; kvalitet; kvantitet;

    Abstract : The aim of this work was to find out what potential contaminants from roads, residential area and businesses within Svedens industrial area that can affect groundwater quality and quantity. Data collection was from SGU, VISS, internal material from Gävleborg county Administrative Board and Gävle municipality archive. READ MORE

  4. 3. Stream channelization effects on fish abundance and species composition

    University essay from Institutionen för fysik, kemi och biologi; Tekniska högskolan

    Author : Ulf Johansson; [2013]
    Keywords : Channelization; Rheophilic species; nemoboreal streams; Nordic multi-mesh Stream Survey Net; lotic; relative abundance; fish community; limnophilic;

    Abstract : Streams are important habitats, providing shelter and feeding opportunities for a wide range of organisms. The species depending on running waters includes a wide array of fish species, using these waters for their whole or parts of their lifecycle. Streams are also the subject of different anthropogenic impact, e.g. READ MORE

  5. 4. Determining the best location for a nature-like fishway in Gavle River, Sweden

    University essay from Avdelningen för Industriell utveckling, IT och Samhällsbyggnad

    Author : Sine Buck; [2013]
    Keywords : GIS; nature-like fishway; multi-criteria decision analysis MCDA ; least-cost path analysis; anisotropic path analysis; fish migration; Gavle River;

    Abstract : The construction of dams and hydro-power stations are some of the most common anthropogenic changes of watercourses and rivers. While being important to humans and society by providing electricity, these obstructions of watercourses can have severe consequences for the aquatic ecosystems. READ MORE

  6. 5. Estimating Phosphorus in rivers of Central Sweden using Landsat TM data

    University essay from Institutionen för naturgeografi och kvartärgeologi (INK)

    Author : Marcus Andersson; [2012]
    Keywords : Remote Sensing; Phosphorus; Eutrophication; Rivers; Baltic Sea;

    Abstract : Phosphorus flowing via rivers into the Baltic Sea is a major source of nutrients, and in some cases the limiting factor for the growth of algae which causes the phenomenon known as eutrophication. Remote sensing of phosphorus, here using Landsat TM-data, can help to give a better understanding of the process of eutrophication. READ MORE