Assessment of Smartphone Positioning Data Quality in the Scope of Citizen Science Contributions

Table 1

Study area and target population.

Study area	Flanders
Area size (square kilometres)	13,522, source: National Committee of Geography of Belgium
Population in study area^1	6,444,127
Target population	General
Transport modes	Foot, bike, drive, passenger, bus, tram, train, and moto
Trip activity	Commuting, business related, and recreational trips
Data collection period	Feb 2013–Jul 2015
Number of GNSS locations	10,048,552
Number of travelled kilometres	71,359
Trip segments	8,851
Devices (participants)^2	457

. or smartphone does not necessarily map a single user, since some devices were shared among the participants.