Please, suggest me MAGL (Elevation) for calculating Backward Air Mass Trajectories from NOAA Hysplit in case of analyzing DEW water pollutant source?

Hi, I am analyzing DEW WATER chemical composition. I have to calculate Backward Air Mass Trajectories from NOAA Hysplit model for tracing the sources of trace metals and ions. But i am not sure...

11 January 2016 1,095 8 View