Devils Lake, a terminal, saline lake in North Dakota has experienced a 24~
foot rise in lake elevation resulting in the flooding of over 60,000 acres since
1992. At lower water~surface elevations, Devils Lake functions as a series of
connected basins with salinity increasing in an eastward direction due to longer
water retention times. The recent increase in water depth provides an
opportunity for mixing due to wind and buoyancy forces.
The following data were collected during the summers of 1998 and 1999
to identify the processes causing exchange~flows within the lake. The data were
later used to calibrate a numerical model, based on energy and conservation of
mass principles, to estimate the redistribution of sulfate within Devils Lake. The
magnitude and 'rate of redistribution is of interest in understanding the lake's
ecosystem and as design input for a possible water diversion to stabilize the
Information concerning the collection and analyses of these data are
Manous, Joe D. Jr..
Field Data Report ... Devils Lake, North Dakota June; September 1998 June, September 1999.
St. Anthony Falls Laboratory.
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