RIVER ICE INFLUENCES ON FORT PECK REACH, MISSOURI RIVER
45
Table 3. Site monitoring and survey alignments.
River
Location of
Prior to
Following
Site
mile
Range
survey lines
Fall
Early winter
breakup
breakup
Culbertson
Under bridge
30-Jan-99
24-Feb-99
4
1620.35
3
Downstream of island
Oct-98
30-Jan-99
24-Feb-99
Apr-99
1620.40
2
Oct-98
29-Jan-99
24-Feb-99
Apr-99
1620.45
1
Oct-98
30-Jan-99
24-Feb-99
Apr-99
Periodic: bed profiling, ice thickness profiling, velocity profile
Monitoring
Continuous: visual with web cam, bed elevations, water pressure, water and air
temperature
Tveit-
1623.97
1
Downstream of camera
Oct-98
25-Jan-99
22-Feb-99
Apr-99
Johnson
1624.02
2
Perpendicular to camera
Oct-98
26-Jan-99
22-Feb-99
Apr-99
1624.07
3
In camera view
Oct-98
26-Jan-99
22-Feb-99
Apr-99
1624.11
4
upstream range
Oct-98
26-Jan-99
22-Feb-99
Apr-99
Periodic: bed profiling, ice thickness profiling, velocity profile
Monitoring
Continuous: visual with web cam
Vornus
Downstream range
Oct-98
25-Jan-99
23-Feb-99
Apr-99
1632.55
1
1632.62
2
Oct-98
25-Jan-99
23-Feb-99
Apr-99
1632.68
3
Upstream range
Oct-98
26-Jan-99
23-Feb-99
Apr-99
Periodic: bed profiling, ice thickness profiling, velocity profile except April
Monitoring
Continuous: none
Mattelin
Downstream range
Oct-98
27-Jan-99
23-Feb-99
Apr-99
1646.72
1
1646.78
2
Oct-98
27-Jan-99
23-Feb-99
Apr-99
1646.84
3
Oct-98
27-Jan-99
23-Feb-99
Apr-99
Upstream across tip of
Oct-98
27-Jan-99
23-Feb-99
Apr-99
island
1646.90
4
Periodic: bed profiling, ice thickness profiling, velocity profile except April
Monitoring
Continuous: none
Open
Apr-99
Pipal
1715.53
4
Downstream
Oct-98
28-Jan-99
water
Open
Apr-99
1715.58
3
Oct-98
28-Jan-99
water
Open
Perpendicular to DS
Apr-99
Oct-98
28-Jan-99
1715.66
2
water
camera
Open
Apr-99
1715.74
1
Upstream of DS camera
Oct-98
28-Jan-99
water
Periodic: bed profiling, ice thickness profiling, velocity profile
Monitoring
Continuous: visual with web cam
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