Emission Rates From Area Sources Of Ammonia And Further Trace Gases By Spectroscopic Remote Measurements And Inverse Dispersion Modelling

Emission Rates from Area Sources of Ammonia and Further Trace Gases by Spectroscopic Remote Measurements and Inverse Dispersion Modelling A contribution to subproject GENEMIS K Schafer*, S. Emeis\ M. Stockhause*, A. Sedlmaier*, L Martini*, H Hoffmann*, G. Depta^ and A Gronauer^ *Fraunhofer-InstitutfurAtmosphdrische Umweltforschung (IFU), Kreuzeckbahnstr. 19, D-82467 Garmisch-Partenkirchen, Germany ^InstitutfurLandtechnikder Technischen Universitdt Miinchen (LTW), Vottinger Str. 36, D-85350 Freising, Germany Introduction Reliable quantification of anthropogenic trace gas emissions from industrial and agricultural area sources is necessary for environmental protection as well as for air quality and climate change assessments and predictions. However, emission rates of important diffuse sources are not well known. The inhomogeneity of such emissions makes their determination very difficult. Theref