<br />workshops with clients using a range of wat~r
<br />resources tools including hydrology, water r~-
<br />sources engmeenng, multi,criteria decision
<br />making, operations research methods, multivari-
<br />ate statistical analyses and regression, stream-
<br />flow synthesis, systems analysis, time seri~s
<br />modeling, computer models of rivers and reser-
<br />voirs, reservoir operation models, models of
<br />rainfall and snowmelt processes, statistical
<br />analyses, ground-surface water interaction mod-
<br />els, groundwater flow models, and models of
<br />water rights operations and administration,
<br />
<br />. Developed work plan for 14 cooperating gov-
<br />ernmental agencies in the State of Nebraska in
<br />developing their decision support system for sur-
<br />face and groundwater interactions in the Platte
<br />River Basin
<br />
<br />. Developed inventory and summary of available
<br />surface water allocation models for the Platte
<br />River in Nebraska that has been distributed to
<br />over 100 individuals.
<br />
<br />. Participated as an invited speaker at several
<br />stormwater, hydropower and irrigation associa-
<br />tion conferences, addressing urban stormwater,
<br />stormwater utilities, floodplain impacts, iI)_
<br />stream flow needs, impacts of projects on habi-
<br />tat, myths regarding the use of hydrology and
<br />fluvial hydraulics in case studies, and opport!]-
<br />nities for coordinated, scientific investigation {)f
<br />project impacts,
<br />
<br />, Authored the leading textbook chapters de-
<br />scribing state-of-the-art computer simulation
<br />models for surface water systems analysis,
<br />
<br />Development and Application of Surface Water
<br />Models
<br />
<br />. Participated with the Kansas City District of the
<br />Corps of Engineers in developing a flood event
<br />computer program, HEP, and training hydrolo-
<br />gists from state, private, and university sectors in
<br />using the program.
<br />
<br />. Managed developments of models and hydro-
<br />logic evaluations needed by the Nebraska AttOr-
<br />ney General's office in evaluating the claims by
<br />
<br />~
<br />~::J PARSONS
<br />
<br />Gary L,. Lewis, Ph.D., P.E.
<br />Senior Watt~r Resources Engineer
<br />Page 7
<br />
<br />Nebraska that Wyoming is violating terms of a
<br />Supreme Court Decree,
<br />
<br />, Managed the development of a daily simulation
<br />model of the complex flow, storage, and water
<br />rights decision processes involved in designing
<br />and operating the proposed Deer Creek Reser-
<br />voir near Casper, Wyoming,
<br />
<br />. Developed an inventory and published a sum,
<br />mary of available surface water allocation mod-
<br />els for the Platte River in Nebraska,
<br />
<br />. Managed the development 0 f a river basin reser-
<br />voir screening model, utilizing integer and sepa-
<br />rable nonlinear mathematical programmmg
<br />teclmiques, to study integrated surface and
<br />groundwater development and management op-
<br />tions available to the Upper Big Blue Natural
<br />Resource District of Nebraska,
<br />
<br />. Participated in the development of synthetic
<br />streamflow and flood hydrology for analyzing
<br />the feasibility of the Horse Creek re-regulating
<br />reservoir in eastern Wyoming,
<br />
<br />. As part of the U,S, Water Resources Council's
<br />Platte River Level B study, developed a mathe-
<br />matical optimization model and applied it to
<br />screening among a wide range of federal, state,
<br />and local multipurpose projects in the Elkhorn
<br />River sub,basin, Separable nonlinear and para-
<br />metric programming were used to sort among
<br />over 250 proposed SCS flood retarding struc,
<br />tures, 18 Corps of Engineers multi-purpose
<br />structures, and 3 fulI-scale U,S, Bureau of Rec'
<br />lamation irrigation projects, using a variety of
<br />objective functlOns,
<br />
<br />. Participated in formulating a surface watcr
<br />mathematical optimization model and conduct-
<br />ing preliminary screening on a fuII range of
<br />structural and nonstructural options for dealing
<br />with continuing flood problems in the Weepmg
<br />Water Watershed of southeastern Nebraska;
<br />utilized regional objectives to search for a feaSI-
<br />ble project in an area where natIOnal economic
<br />development cliteria were previously unable to
<br />provide relief.
<br />
<br />0221ewigl17.doc/Q400#
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