Fig. 1

(a) Map of southeastern Australia showing estuaries (black dots) where sensors were installed (see Table 1 for estuary details); (b) Seabird sensor located within Wallis Lake estuary.

(a) Map of southeastern Australia showing estuaries (black dots) where sensors were installed (see Table 1 for estuary details); (b) Seabird sensor located within Wallis Lake estuary.