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NanoMap (last updated 2017-12-21)


NanoMap is a freeware software method that estimates the geographic position of where new particle formation takes place around a specific measurement site based on particle number size distribution measurements at the site.

To be able to perform a NanoMap analysis, two documents need to be downloaded, the scientific paper describing the NanoMap method (Kristensson et al., 2014), and the instruction manual showing how to run the NanoMap program in Matlab (C) (Last version November 28, 2013).

The neccessary files to run NanoMap in Matlab can be found in the 4 following links below. Also examples of the input files neccessary for NanoMap and the outputfiles generated by NanoMap are found under each of the 4 links below.


1. Event classification.

2. Formation time analysis.

3. EOG analysis.

4. Number map plotting.


Please make a reference to Draxler and Rolph (2013) if you are using Hysiplit trajectories for the NanoMap analysis, or another reference if you are using other trajectory software.

Please make a reference to Dal Maso et al. (2005) if classification is based on this paper.

Please make a reference to Kristensson et al. (2014) when publishing your results based on NanoMap: 

1. Kristensson et al. (2014). NanoMap: Geographical mapping of atmospheric nucleation through analysis of particle number size distribution and trajectory data. Accepted for publication in Boreal Environmental Research.

2. Draxler and Rolph (2013). HYSPLIT (HYbrid Single-Particle Lagrangian Integrated Trajectory) Model access via NOAA ARL READYWebsite ( NOAA Air Resources Laboratory, Silver Spring, MD, USA.

3. Dal Maso et al. (2005). Formation and growth of fresh atmospheric aerosols: eight years of aerosol size distribution data from SMEAR II,Hyytiälä, Finland. Boreal Environmental Research, 10, 323-336.