Fig. 7From: 2D PWV monitoring of a wide and orographically complex area with a low dense GNSS network∆PWV map based on the G4M procedure (a) and WRF (b). c Depicts the ∆PWV difference map (G4M-WRF). The maps refer to November 4, 2011, 10:00 UTC with respect to November 3, 2011, 02:00 UTCBack to article page