Figure 8. 1992 aerial photograph of northeastern ERF.
subsequently Knik Arm. Sediment entering Knik
STUDY SITES AND METHODS
Arm may be widely dispersed by estuarine pro-
cesses, or concentrated in bars and other depos-
Sedimentation transects
its. Which will happen is unknown. In addition,
Sedimentation rates were measured along
whether WP survives transport to actually persist
transects across representative landforms of ERF,
in Knik Arm is unknown. Laboratory flume tests
with 11 transects being set out in May 1992 (Law-
of WP particle abrasion could determine if trans-
son and Brockett 1993), 1 in June 1993 and 11 in
port destroys such particles.
1994 (Fig. 9). Their locations and elevations were
13
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