Search for dissertations about: "catchment studies"

Showing result 1 - 5 of 117 swedish dissertations containing the words catchment studies.

  2. 1. Chlorine Transport in a Small Catchment

    Author : Teresia Svensson; Gunilla Öberg; Katarina Abrahamsson; Linköpings universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; catchment; chloride; chlorine; chloroform; organic chlorine; runoff water; soil; VOCls; avrinningsområde; avrinningsvatten; flyktiga klorerade föreningar klor; klorid; kloroform; organiskt klor; mark; Water in nature and society; Vatten i natur och samhälle;

    Abstract : De senaste decenniernas forskning har påvisat att en omfattande bildning och nedbrytning av klororganiska föreningar sker i mark. Bildning av sådana föreningar sker genom att klorid binds in i organiskt material. READ MORE

  4. 2. School Leaders' View on Market Forces and Decentralisation : Case Studies in a Swedish municipality and an English County

    Author : Björn Söderqvist; Holger Daun; Eva Alerby; Stockholms universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; catchment area; choice; competition; educational quality; educational restructuring; decentralisation; market forces; school leaders; segregation; vouchers; International education; Internationell pedagogik; internationell pedagogik; International Education;

    Abstract : The overall aim of this study is to describe and analyse some of the consequences of market forces and decentralisation in the educational systems of Sweden and England.Since the 1980s, many countries have restructured their educational systems and introduced decentralisation and market forces. READ MORE

  5. 3. Soil and stream water chemistry in a boreal catchment - interactions, influences of dissolved organic matter and effects of wood ash application

    Author : Sara H Norström; Ulla Lundström; Dan Bylund; Mittuniversitetet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Boreal forest; catchment studies; dissolved organic carbon; soil solution; Chemistry; Kemi;

    Abstract : Two small bordering catchments in Bispgården, Central Sweden, wereinvestigated in regard to soil solution and stream water chemistry during the frostfree seasons of 2003-2007. Both catchments were drained by first order streams,Fanbergsbäcken and Gråbergsbäcken, and in Fanbergsbäckens catchment anextensive investigation of the soil and soil solution chemistry was conducted bylysimeter and centrifugation sampling. READ MORE

  6. 4. Waterborne sediment and pollutant transport into lakes and accumulation in lake sediments

    Author : Gull Olli; Gia Destouni; Ingmar Renberg; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Catchment; environmental projects; erosion; eutrophication; phosphorous transport and retention; soil transport; sediment accumulation; Physical geography; Naturgeografi; Physical Geography; naturgeografi;

    Abstract : The general objective of this thesis is to contribute to the knowledge of the transport of sediments and pollutants from catchments to downstream water recipient systems and their accumulation in these systems, such as lakes and lake sediments. One part of the thesis studies the importance of drainage reach morphology and water flow for the phosphorous (P) transport and retention in the reaches, and the main controlling processes of the P retention in the reach sediments. READ MORE

  7. 5. A GIS-based landscape analysis of dissolved organic carbon in boreal headwater streams

    Author : Jan-Olov Andersson; Lars Nyberg; Hjalmar Laudon; Karlstads universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; boreal forests; wetlands; vegetation types; headwater streams; catchment hydrology; streamwater chemistry; DOC; GIS; terrain analysis; DEM; slope; wetness index; TWI; Freshwater ecology; Limnisk ekologi; Biology; Biologi;

    Abstract : In boreal catchments, stream water chemistry is influenced and controlled by several landscape factors. The influence of spatially distributed variables is in turn dependent on the hydrological scale. READ MORE