Visibility of River Plume Fronts with an X-Band Radar

Figure 5

Variations of (a) water levels measured at gauging stations in the river channel: Nakanomachi, 9 km, from the river mouth, and Kakezuka, 4 km, from the river mouth, (b) definition of the river plume front (thin solid line with open square) captured in the time-averaged radar image (right axis) and rate of water level change at Kakezuka (solid line, left axis), (c) wind vector measured at Iwata weather station, and (d) square of east-west projection of wind speed (solid line, left axis), for the period of 14 to 20 December, 2007. Refer to Figure 1 for the locations of the gauging and weather stations.