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DTSTART;TZID=US/Central:20080417T100000
UID:29331@events.unl.edu
DTSTAMP:20080415T114511
SUMMARY:M.S. Thesis Defense
DESCRIPTION:"GROUNDWATER DYNAMICS WITHIN THE SALINE WETLAND ALLUVIUM OF TH
 E LITTLE SALT CREEK VALLEY, LANCASTER COUNTY, NEBRASKA"\nGordon Richard C
 oke; Advisor:  Dr. Ed Harvey\nThe eastern saline wetlands of Nebraska are
  the state’s most endangered ecosystem.  They are the product of a uniq
 ue mixing relationship between deep saline groundwater and fresh surface 
 water runoff in floodplain depressions and swales, and stream channels in
  the Salt Creek basin.  These wetlands are home to a variety of unique sa
 lt-tolerant plants such as salt wort (Salicornia rubra), sea blite (Suaed
 a depressa), and inland salt grass (Distichlis spicata), and the federall
 y endangered Salt Creek tiger beetle (Cicindela nevadica lincolniana).  T
 he wetlands have diminished considerably in size over the past century du
 e to development and drainage and their future is in jeopardy.\n	To furth
 er understand the mixing dynamics that occur to sustain these wetlands, a
  large saline wetland hydrology study was initiated in the spring of 2007
 . This study examined the shallow hydrology and the impact of that hydrol
 ogy on the endemic species within the wetlands.  Specifically, an investi
 gation into the groundwater dynamics of the alluvium was conducted to det
 ermine sedimentary layer salt content, transport pathways and groundwater
  levels.  By expanding present knowledge about the saline wetland ecosyst
 em, wetland managers will be equipped with better science to develop furt
 her management tactics for the protection and restoration of saline wetla
 nds. \n	The channelization of Salt Creek and subsequent streambed incisio
 n of its tributaries caused considerable groundwater drainage of the sali
 ne wetlands, especially the wetlands adjacent to the deeply incised chann
 els.   Between the three primary study sites of Raymond Road, Frank Shoem
 aker Marsh and the Whitehead Wetland, groundwater levels decline steeper 
 toward the channel at Frank Shoemaker Marsh and Whitehead Wetland when co
 mpared to the Raymond Road site.  \n	Electrical conductivity values for w
 ater in observation wells, channel seeps  and springs measured as high as
  38,000 uS/cm.  Vertical hydraulic gradients are positive at the two proj
 ect sites included in the gradient calculation and this indicates upward 
 groundwater flow.  Well logs collected during observation well installati
 on showed successive sedimentary layers of sands, silts and clays within 
 the wetland alluvium.
LOCATION:HARDIN HALL Room 901 Hardin Hall Conference Room
URL:http://events.unl.edu/snr/2008/04/17/29331/
DTEND;TZID=US/Central:20080417T110000
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BEGIN:VEVENT
DTSTART;TZID=US/Central:20080417T160000
UID:27808@events.unl.edu
DTSTAMP:20080117T162212
SUMMARY:Environmental Studies Course Evaluation
DESCRIPTION:Bill Godfrey will be here to review the SSA "Sustainable Socie
 ties-Africa" Post-Test results.  This course has been developed by the "E
 nvironic Foundation International for the United Nations Environment Prog
 ramme".
LOCATION:HARDIN HALL Room 107 Hardin Hall Auditorium
URL:http://events.unl.edu/snr/2008/04/17/27808/
DTEND;TZID=US/Central:20080417T170000
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BEGIN:VEVENT
DTSTART;TZID=US/Central:20080417T190000
UID:22258@events.unl.edu
DTSTAMP:20070831T133956
SUMMARY:East Campus Choir
DESCRIPTION:The newly formed East Campus Choir will begin meeting everythi
 ng Thursday evening in the Hardin Hall Auditorium from 7:00 pm to 9:20 pm
 .\n\nDirector, James Wilson asked me to extend an invitation to all SNR f
 aculty/staff/students to stop by and listen anytime.  I've provided his c
 ontact information below if you would like additional information about j
 oining the choir - everyone is welcome.\n\nJames Wilson\nUNL School of Mu
 stic\n# 336-549-4226, email: jameswils@gmail.com
LOCATION:HARDIN HALL Room Hardin Hall Auditorium (1st floor)
URL:http://events.unl.edu/snr/2008/04/17/22258/
DTEND;TZID=US/Central:20080417T212000
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