international ground water modeling center
ATTENTION!!!
THIS IS AN OUTDATED
VERSION OF UCODE PROVIDED FOR THOSE WHO ARE INTERESTED IN SOME ASPECT OF THE
PREVIOUS VERSION
FOR THE CURRENT
VERSION OF UCODE, CLICK HERE
UCODE: A COMPUTER CODE FOR UNIVERSAL INVERSE MODELING

DOCUMENTATION OF UCODE: A COMPUTER CODE FOR UNIVERSAL INVERSE MODELING
By: Eileen P. Poeter and Mary C. Hill
U.S. GEOLOGICAL SURVEY
WATER RESOURCES INVESTIGATIONS REPORT 98-4080
Prepared in cooperation with the
U.S. Army Corp of Engineers Waterways Experiment Station and the
International Ground Water Modeling Ceneter of the Colorado School of Mines
NOTE: MANUALS are INCLUDED in the DOWNLOAD BELOW
Install_UCODE3.06.pdf
UCODEmanual_wrir98-4080.pdf
wr98-4080errata_UCODE_Manual.PDF
UCODE3.0_Manual_Additions_2002.pdf
UCODE3.06_Manual_Additions_2004.pdf
METHODS AND GUIDELINES FOR EFFECTIVE MODEL CALIBRATION
With application to UCODE, a computer code for universal inverse modeling, and
MODFLOWP, a computer code for inverse modeling with MODFLOW
By: Mary C. Hill
U.S. GEOLOGICAL SURVEY
WATER RESOURCES INVESTIGATIONS REPORT 98-4005
NOTE: MANUALS are INCLUDED in the DOWNLOAD BELOW
EffectiveCalibration_WRIR98-4005.pdf
wr98-4005errata_MethodsandGuidelines.PDF
(Questions about, or problems with, UCODE? Contact Eileen Poeter)
epoeter@mines.edu
DOWNLOAD UCODE 3.063
Corrects error when only one parameter is estimated.
- DOWNLOAD WINDOWS/DOS Version self-extracting zip file ucode3.063.exe
with executables for a PC and source files:
place in root directory and extract,
directory wrdapp/ucode3.063 will be created if it does not yet exist
- DOWNLOAD WINDOWS/DOS Long Observation Name Version (This is the same
as 3.063 but allows the observations names to be as long as 42 characters)
self-extracting zip file ucode3.063LongName.exe
with executables for a PC and source files:
place in root directory and extract,
directory wrdapp/ucode3.063 will be created if it does not yet exist
- DOWNLOAD PERL Your computer may already have perl loded. If
not you can download it free:

At the Perl site:
select * Perl binary distributions ("ports")
select Your operating system
select Active Perl
select DownLoad
consider the options and choose the latest version with the simplest options
(Questions about, or problems with, UCODE? Contact Eileen Poeter)
epoeter@mines.edu
DOWNLOAD UCODE 3.062
Corrects error that caused lack of printing _nm file of 3.061.
- DOWNLOAD WINDOWS/DOS Version self-extracting zip file ucode3.062.exe
with executables for a PC and source files:
place in root directory and extract,
directory wrdapp/ucode3.062 will be created if it does not yet exist
- DOWNLOAD WINDOWS/DOS Long Observation Name Version (This is the same
as 3.062 but allows the observations names to be as long as 42 characters)
self-extracting zip file ucode3.062LongName.exe
with executables for a PC and source files:
place in root directory and extract,
directory wrdapp/ucode3.062 will be created if it does not yet exist
DOWNLOAD UCODE 3.061
Corrects error in calculation of covariance matrix of 3.06.
- DOWNLOAD WINDOWS/DOS Version self-extracting zip file ucode3.061.exe
with executables for a PC and source files:
place in root directory and extract,
directory wrdapp/ucode3.061 will be created if it does not yet exist
DOWNLOAD UCODE 3.04
- Windows/Dos Version self-extracting zip file with executables for a PC and
source files:
place in root directory and extract,
directory wrdapp/ucode3.04 will be created if it does not yet exist
RIGHT CLICK AND SAVE TO DESIRED LOCATION (ucode3.04.exe)
DOWNLOAD UCODE 3.02
(The UCODE3.0_ MANUAL_ADDITIONS.pdf was omitted from the UCODE3.0 release
and one line printed by the code was corrected then it was released as 3.01.
The zip file was altered to unzip into wrdapp/ucode3.02 rather than wrdapp/ucode3.0,
the readme file was editted to reflect the version number 3.02 and minor errors
were corrected in errata documents):
- Windows/Dos Version self-extracting zip file with executables for a PC and
source files:
place in root directory and extract,
directory wrdapp/ucode3.02 will be created if it does not yet exist
RIGHT CLICK AND SAVE TO DESIRED LOCATION (ucode3.02.exe)
OLD VERSIONS:
- Windows/Dos Version self-extracting zip file with executables for a PC and source files:
place in root directory and extract,
directory wrdapp/ucode1.08 will
be created if it does not yet exist
RIGHT CLICK AND SAVE TO DESIRED LOCATION
(ucode1.08.exe)

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Last update: Feb 5, 2006