5-10 Salinity (ppt) , flushing time (number of tides) , 



mean tidal velocity (km/hr) , and non-tidal velocity 



(km/hr) as predicted by the Ketchum estuarine flushing 



model for the Presumpscot estuary. Data are plotted from 



the head of the estuary (0 km) downstream to the 



point of predicted oceanic salinity 5-23 



5-11 Salinity (ppt), flushing time (number of tides), 



mean tidal velocity (km/hr) , and non-tidal velocity 



(km/hr) as predicted by the Ketchum estuarine flushing 



model for the Royal estuary. Data are plotted from 



the head of the estuary (0 km) downstream to the 



point of predicted oceanic salinity 5-23 



5-12 Salinity (ppt), flushing time (number of tides), 



mean tidal velocity (km/hr) , and non-tidal velocity 



(km/hr) as predicted by the Ketchum estuarine flushing 



model for the Kennebec estuary. Data are plotted from 



the head of the estuary (0 km) downstream to the 



point of predicted oceanic salinity 5-25 



5-13 Salinity (ppt), flushing time (number of tides), 



mean tidal velocity (km/hr) , and non-tidal velocity 



(km/hr) as predicted by the Ketchum estuarine flushing 



model for the Sheepscot estuary. Data are plotted from 



the head of the estuary (0 km) downstream to the 



point of predicted oceanic salinity 5-25 



5-14 Surface and bottom salinity in the upper Sheepscot estuary 



during a tidal cycle in June 1974 (Larsen, unpublished ) . . . 5-26 



5-15 Salinity over a tidal cycle in the upper Sheepscot estuary 



in June 1974 (Larsen, unpublished ) 5-26 



5-16 Cross-sectional representation of lower Sheepscot estuary 

 and corresponding distribution of temperature, salinity, 

 and density isoclines during July 1976 (Garside et al. 1978). 5-28 



5-17 Cross-sectional representation of lower Sheepscot 



estuary and corresponding distribution of temperature, 



salinity, and density isoclines during December 



1976 (Garside et al. 1978) 5-29 



5-18 Salinity (ppt), flushing time (number of tides), 



mean tidal velocity (km/hr) , and non-tidal velocity 



(km/hr) as predicted by the Ketchum estuarine flushing 



model for the Damariscotta estuary. Data are plotted 



from the head of the estuary (0 km) downstream to 



the point of predicted oceanic salinity 5-31 



xxii 



