Long-Term Temporal Variability of the Freshwater Discharge and Water Levels at Patos Lagoon, Rio Grande do Sul, Brazil

Figure 9

Freshwater discharge and water level in Rio Grande (a), cross-wavelet between freshwater and water level in Rio Grande (b), global wavelet spectrum (c), and average variance between 2 and 8 years (d).

(a)

(b)

(c)

(d)