Schlag, P. (author), Rubach, F. (author), Mentel, T.F. (author), Reimer, D. (author), Canonaco, F. (author), Henzing, J.S. (author), Moerman, M. (author), Otjes, R. (author), Prévôt, A.S.H. (author), Rohrer, F. (author), Rosati, B. (author), Tillmann, R. (author), Weingartner, E. (author), Kiendler-Scharr, A. (author) Ambient measurements of PM1 aerosol chemical composition at Cabauw, the Netherlands, implicate higher ammonium concentrations than explained by the formation of inorganic ammonium salts. This additional particulate ammonium is called excess ammonium (eNH 4). Height profiles over the Cabauw Experimental Site for Atmospheric Research (CESAR) tower...
article 2017