distance of headward recession was mea-

sured as the centerline distance within each

gully between known points. The average

Coastal 1

rates were then determined by dividing the

distance of centerline recession by the num-

Coastal 4

ber of years between each measure.

Coastal 7

Bread Truck

Water quality parameters

Coastal 5

Coastal 6

Various types of water quality data have

In-Between Gully

Parachute

been collected at multiple sites to assess the

RB Bravo

t.

Tanker

ridge

surface hydrology and water quality of ERF.

B Gully

The majority of sampling sites were in small

plunge pools at the heads of tidal gullies;

N

River North

three were newly located in ponds in 1995

in some of the most heavily contaminated

Illume Pond

Racine Island

River Meander

locations of Eagle River Flats (Fig. 17). The

River South

site at Mortar Gully receives tidal waters

1992 Gully Erosion Hub Sites

directly from Knik Arm, whereas Bread

1993 Gully Erosion Hub Sites

Truck, Parachute, B and In-Between gullies

1994 Gully and River Erosion Hub Sites