Biomass burning in eastern Europe during spring 2006 caused high deposition of ammonium in northern Fennoscandia.

Karlsson, P.E.; Ferm, M.; Tømmervik, H.; Hole, L.R.; Karlsson, G.P.; Ruoho-Airola, T.; Aas, W.; Hellsten, S.; Akselsson, C.; Mikkelsen, T.N.; Nihlgård, B.