TY - T1 - Air pollution in eastern Lapland : challenge for an environmental measurement station. SN - / 0037-5330 UR - http://hdl.handle.net/1975/9160 T3 - A1 - Hari, Pertti.; Kulmala, Markku.; Pohja, Toivo; Lahti, Tapani.; Siivola, Erkki.; Palva, Lauri; Aalto, Pasi; Hämeri, Kaarle; Vesala, Timo; Luoma, Sari.; Pulliainen, Erkki. A2 - PB - The Finnish Society of Forest Science and The Finnish Forest Research Institute Y1 - 1994 LA - en AB - The Värriö environmental measurement station has been designed and constructed during 1991 and 1992. The measurement system consists of measurement units for gases (sulphur dioxide, ozone, carbon dioxide), particles, photosynthesis and irradiation. A meteorological station is also included. The preliminary measurement period was started on August, 1991. During the first year (1991–1992) some parts of the system were redeveloped and rebuilt. Full, continuous measurements started in August 1992. T... VO - IS - SP - OP - KW - ilman saastuminen; mittausmenetelmät; automaatio; fotosynteesi; aerosolit; rikkidioksidi; otsoni; sää N1 - PP - ER -