Sökning: "Per-Arne Malmqvist"

Hittade 3 avhandlingar innehållade orden Per-Arne Malmqvist.

1. 1. Urban Stormwater Pollutant Sources - An Analysis of Inflows and Outflows of Nitrogen, Phosphorus, Lead, Zinc and Copper in Urban Areas

   Författare :Per-Arne Malmqvist; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

   Sammanfattning : .... LÄS MER

3. 2. Road traffic metals : sources and emissions

   Författare :David Hjortenkrans; Bo Bergbäck; Per-Arne Malmqvist; Högskolan i Kalmar; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Emission patterns; Heavy metals; Roadside soil; Sweden; Traffic; Sequential extractions; SFA; Environmental chemistry; Miljökemi; Environmental Chemistry; Miljökemi;

   Sammanfattning : As the environmental regulations and technical progress have forced the factories’ old “end of pipe” solutions to improve, the metal emissions from point sources have decreased. Instead, the diffuse consumption emissions from goods in use now are in focus. LÄS MER

4. 3. Urban Surfaces as Sources of Stormwater Pollution : An Evaluation of Substances Released from Building Envelopes

   Författare :Alexandra Müller; Maria Viklander; Helene Österlund; Jiri Marsalek; Per-Arne Malmqvist; Luleå tekniska universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; VA-teknik; Urban Water Engineering; Centre - Centre for Stormwater Management DRIZZLE ; Centrumbildning - Centrum för dagvattenhantering DRIZZLE ;

   Sammanfattning : Stormwater is an important transport pathway for pollutants from the urban environment into receiving water bodies, and, thus, it contributes to the deterioration of urban surface waters. The aim of this Licentiate thesis was to advance the understanding of the contributions of urban stormwater pollutants from building surface materials, and evaluate the implications for stormwater quality. LÄS MER