FLOOD05706

• County: Statewide
• Community: State of Colorado
• Basin: Statewide
• Title: DAMCAL - Damage Reach Stage-Damage Calculation - Users Manual
• Date: 2/1/1979
• Prepared For: State of Colorado
• Prepared By: Hydrologic Engineering Center
• Floodplain - Doc Type: Educational/Technical/Reference Information

- Water Surface Elevations.
index location indicating
under analysis. The data

The water surface elevations at the
the flood levels of the flood events
is input on the SE card (33).

Trace Information as Specified on the J8 Card. As specified on the J8
card, grid cells designated as land use category 4 and within damage reach 1
are traced (34). In this particular case the trace provided information on
two grid cells only. For each of these grid cells the program computes the
adjusted elevation-damage function at the index location (35) and then accu-
mulates the damages as each additional grid cell is analyzed (36).

Aggregated Damage Output. The following output is produced when the

elevation-damage functions for all grid cells within a given damage reach

are aggregated to the corresponding index location:

Grid Cells Affected by Nonatructural Options. A listing is provided
of those grid cells affected by the nonstructural options specified
within the damage reaches analyzed (37).

I
I
~

Minimum/Maximum Damage Levels. The grid cells that lie above or

below the maximum and minimum water surface elevations specified at

the index location for the computation of the aggregated elevation-

damage function are identified (38). Grid cells with damages that

start above the maximum damage elevation are not included in the

aggregation process, whereas, grid cells with damages that start be-

low the minimum damage elevation are truncated (only grid cell damages

occurring between the minimum and maximum levels are included in the

aggregation process).

Damage Reach Identification. Each damage reach analyzed is identified
by number and title (39).

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