75 Trying to Link Personal Exposure Measurement and Population Exposure …
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Fig. 75.1 The portable mini-stations based on low-cost sensors
Fig. 75.2 Comparison of the raw (grey circles) and averaged (blue line) data from the mini-stations
with a Grimm spectrometer (red line)
and both kerbsides for OSPM. Eventually, these scattered results are gridded at a
10-m resolution on an hourly basis. Additionally, other techniques are also used
to provide pollutant ambient concentrations: a nearest-station approach, an optimal
interpolation technique and the RIO model.
Since indoor activities usually account for more than 80% of a typical daily pattern,
it is relevant to try and evaluate the concentration inside buildings or vehicles. A nonstationary node model has thus been developed to simulate indoor BC concentrations
based on the outdoor temperature and pollution conditions. It takes into account
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