Preface
I Permitting & permit requirements
1
Causeway timeline
2
Permitting
3
Permit requirements
3.1
Monitoring time frame
3.2
Breach geometry
3.3
Gilbert Bay salinity
II Inflows & and elevations
4
Inflows and lake elevation
4.1
Inflows
4.2
Elevation
III Breach performance measures
5
Breach performance measures
5.1
Geometry
5.2
Gilbert Bay salinity
IV In-lake salinity
6
Salinity timeseries
7
Salinity and lake elevation
7.1
Regressions
7.2
Ancova
8
Estimated salt pools
9
Comparison to UGS data
10
Salinity ~ elevation deviation time series
10.1
Model pre-1985 salinity ~ elevation relationship
10.2
Observed and pre-1985 predicted salinity
GSL causeway and salinity
1
Causeway timeline
1959: Rock fill causeway constructed with culverts
August 1984 West bridge and breach constructed
November 2012: West culvert closed
December 2013: East culvert closed
December 2016: Causeway breached under bridge