CRDSS_Task1_07-2_PhysicalCharacteristicsDatabasePopulation

• Title: CRDSS Task 1.07-2 - Physical Characteristics Database - Physical Characteristics Database Population
• Description: This task memorandum describes the physical characteristics database population efforts for Year 1 of the CRDSS.
• Decision Support - Doc Type: Task Memorandum
• Date: 1/9/1995
• DSS Category: HydroBase
• DSS: Colorado River
• Basin: Colorado Mainstem
• Contract/PO #: C153658, C153727, C153752
• Grant Type: Non-Reimbursable
• Bill Number: SB92-87, HB93-1273, SB94-029, HB95-1155, SB96-153, HB97-008
• Prepared By: Riverside Technology inc.

INFORMIX files, including create statements, insert statements, and INFORMIX ASCII downloads for
the above data are located in .
/crdss/data/div4/reservoir
Reservoir Elevation vs. Surface Area and Storage Characteristics
Reservoir elevation versus storage characteristics include values corresponding to the amount of storage
for a given reservoir elevation. These data are needed to operate the water rights planning model.
These data were extracted from the CRAM model data file:
/crdss/gunmod/utils/
. The dead storage attribute is entered in the reservoir table, while the area capacity data
cramout.txt
are found in the table. The CRAM model on ly recognizes major reservoirs, so
area_cap_table
values were entered only for the following reservoirs: Blue Mesa, Crawford, Overland, Paonia, Silver
Jack, and Taylor. These reservoirs were identified in the State's database by structure name. Since these
are major reservoirs, there is little chance of error in identification. However, one subtle error does exist.
The CRAM model groups three separate State identified reservoirs under one name. Under Blue Mesa,
the CRAM model groups attributes for three reservoirs: Blue Mesa, Morrow Point, and Crystal. These
three reservoirs are located in-line together. Flow information is recorded through Blue Mesa alone.
The CRAM model only recognizes Blue Mesa, so the data are entered under the State-identified Blue
Mesa reservoir. No data are entered for the Morrow Point or Crystal reservoirs.
INFORMIX files, including create statements, insert statements, and INFORMIX ASCII down-loads for
the above data, are located in on
/crdss/data/div4/reservoir crdss4.crdss.
.
colostate.edu
Structure Capacity
Demand nodes are structures for diversion, storage, or measurement of surface water flow. Most of the
nodes are demand nodes that are used to divert water to irrigated fields. Demand node characteristics are
the water volumes that can flow through a demand node during a given time. These data are needed to
operate the CU and water rights planning models.
3.0 CONCLUSIONS AND RECOMMENDATIONS
The physical characteristics data types identified in Phase I have been populated in response to the
modeling tasks with an emphasis on the Gunnison River basin. In some cases, data for more than
Division 4 have been populated.
4.0 REFERENCES
Colorado Agricultural Statistics Service. (1979-1990). ?Colorado Agricultural Statistics.? U.S.
Department of Agriculture and the Colorado Department of Agriculture. Lakewood, Colorado.
Jensen, M.E., R.D. Burman, and R.G. Allen. (1990). ?Evapotranspiration and Irrigation Water
Requirements.? ASCE Manuals and Reports on Engineering Practice No. 70. American Society of Civil
Engineers, New York, New York.
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A 275 01.09.95 1.07-2 Lange