CPED
Center Pivot Evaluation and Design is a Windows program for assessment of center pivot performance. The program
simulates the water distribution under a center pivot from various
commercial nozzles as well as performs an evaluation from catch can
data. This scientific model was adapted by Beccard and Heermann to
include the effect of topographic differences in the resulting
application depths along the radii of the center pivot in non level
fields. Included are pump and well characteristics specific to the
system. The model was developed and is supported by ARS Water
Management Research Unit in Fort Collins, Colorado. NRCS personnel may
download a copy from the Service Centers Common Computing
Environment website. Contact local ITS for installation. Non NRCS
users may obtain a copy of the software from the ARS Water Management
Research Unit products and service page.
CPED, NRCS version
CPED, non NRCS version
CPNOZZLE
Center pivot Nozzling and surface storage program developed by
the University of Nebraska was developed to estimate
the potential for runoff and resulting economic impact from reducing the operating pressure of a sprinkler
package. The runoff potential is determined based on the soil type,
field slope, nozzle wetted diameter, system flow rate, and storage
residue. NRCS personnel may download a copy from the Service Centers Common Computing
Environment website. Contact local ITS for installation. Non NRCS
users need to contact the University of Nebraska Engineering
department.
CPNOZZLE, NRCS version
CROPFLEX
CROPFLEX is a Window's 3.1 or greater computer tool. Developed by
Colorado State University, it provides recommendations for producers
on irrigation timing and nutrient scheduling. Crop development and
irrigation needs are driven by local climatic inputs. Nutrient
balances are determined and a seasonal accounting is made as to
plant uptake depending on the health and vigor of the plant from
appropriate timing and amounts of irrigation. Depending on plant
health and vigor, a mid year correction is presented to allow for
modification of nutrient applications. Nutrient needs are based on
yields and input soil sampling information. Nutrients considered are
manure, organic, and commercial. This includes prior year on crop
residue and manure application. Accounting is made for the method of
tillage, manure source and application, and method of commercial
application. NLEAP nutrient handling technology is embedded in the
model. The model is in BETA test stage. A DOS and Windows version of
the model, with appropriate users manual is available for download
at: CROPFLEX download.
CROPFLEX download (0.6mb)
CROPFLEX CCE version download (1.4mb)
FIRI 1.2
This procedure was developed to approximate or quantify approximate
water conservation through changes made to irrigation systems or through
management. The program provides a standardized means of documenting
change for various cost share programs and planning efforts. The model
has potential application as a tool for field and watershed scale
quantification of irrigation changes and the impact to water quality.
Model application is aimed at field office level for planners and
technicians.
For USDA-NRCS, the package
that is posted on the ITS Team Services website is the only
certified version of this software authorized for installation on
ITS workstations. Contact local ITS personnel for installation. For
loading on Non NRCS machines contact Water Management Engineers at
the West National Technology Support Center (503) 273-2400.
Water Management Engineers
IWR
Irrigation Water Requirements (IWR) is a Windows 95 (or greater) crop
consumptive use program developed specifically for NRCS use in
development of Consumptive Use Table for the new NRCS Irrigation
Guide. IWR uses the FAO Radiation method, the FAO Temperature method
or the Blainey- Criddle method depending on the climate information
that is available.
IWR CCE version download
(15mb)
Phaucet
PHAUCET is a Windows 95 or higher design and evaluation tool for
furrow irrigation systems. The program uses field and technical
information to calculate existing system performance and define
alternatives for improving irrigation efficiency. The program takes
into consideration pipe diameter, pressure, gate openings or hole
sizes, watered furrow spacing, pipe crown elevations, row lengths,
and system flow rate for design calculations. Program output
generated includes pipeline pressures, furrow flow rates, and
pipeline low quarter distribution uniformity.
Phaucet
CCE
version download (7mb) (also available on NRCS Supplemental CD)
Soil Water Characteristics
This model is an interactive soil moisture triangle It is a
stand-alone component from the SPAW model that allows for the
determination of soil water based upon soil texture. The model
provides field capacity, wilting point, builk density, saturation,
saturated hydraulic conductivity and available water with input of %
sand and % clay. This program by installing the SPAW. Spanish and Italian versions are also
available.
SPAW and Soil Water CCE version download
SPAW and Soil Water non-CCE version download
WinFlume
WinFlume is a USBR/ARS Windows95 and 3.1 program that provides
procedures for determining head loss and developing flume designs
for specific applications. It pertains to long-throated flumes which
describes a broad class of critical-flow flumes and broad-crested
weir devices (also referred to as the Replogle Flume or ramp weir)
used to measure flow in open channels. These devices are adaptable
to a variety of measurement applications in both natural and
man-made channels, and both new and existing canal systems.
Non-CCE WinFlume manual and download
WinFlume CCE version download (Also available from the NRCS Supplemental CD)
WinSRFR V. 1.1
WinSRFR integrates and supercedes the legacy SRFR, BORDER, and BASIN
programs developed by the former U.S. Water Conservation Lab. The
application provides a Windows interface to those programs and will
also serve as the foundation for future development. WinSRFR is a tool
to help evaluate and design border, basin, and furrow irrigation
systems. The tool will assist the user in determining the optimum
efficiencies and water utilization. Based on user input the model
will calculate advance times, recession times, infiltration depths,
runoff, deep percolation, and will provide graphical display of the
efficiency and options evaluated. The model is targeted for use by
the field office technicians and engineers. For USDA-NRCS, the
package that is posted on the ITS Team Services website is the only
certified version of this software authorized for installation on
ITS workstations. Contact local ITS personnel for installation. Non NRCS users may obtain a copy of the software from the ARS Arid Land
Agricultural Research center products and service page.
WinSRFR, (Non NRCS version)
Other Models
Water Management
Models Currently under Development and Testing
|