TOPAZ SOFTWARE : TOPAZ PARAMETERIZATION SOFTWARE SYSTEM
PROGRAM DEDNM : DIGITAL ELEVATION DRAINAGE NETWORK MODEL PROGRAM
VERSION 3.10, APRIL 1999
J. GARBRECHT, USDA-ARS, EL RENO, OKLAHOMA, USA.
L. MARTZ, UNIVERSITY OF SASKATCHEWAN, SASKATOON, CANADA.
TITLE OF CURRENT TOPAZ APPLICATION:
DATE: 23 AUGUST 1999 WEPP WEB INTERFACE DEDNM VERSION 3.1
APPLICATION FOR TESTING AND VERIFICATION WEPP WEB GIS; INPUT FILE
TESTING AND CALIBRATION.
TABLE OF RASTER-NETWORK CHANNEL LINK INFORMATION AS COMPUTED BY PROGRAM DEDNM
CHAN. CHANNEL COORDINATES CHANNEL TERRAIN UPSTREAM AREA FLOWING DIRECT NODE INDEX SLOPE * 1000
CNTR ORDER UPSTREAM DOWNSTREAM LENGTH ELEVATION IN INTO FOLLOWING NODES DRAINAGE (MULTIPLE NODES)
PREV. LAST IN # CELL METERS UPSTR. DWSTR.-1 DWSTR. AREA I------------------------I DIRECT SMOOTHED
# # ROW COL ROW COL ROW COL WIDTHS UPSTR. DWSTR. [ALL AREAS IN NUMBER OF CELLS] 1 2 3 4 5 6 7
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
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1 1 230 249 229 248 229 247 2.41 1987.0 1972.5 85 99 1340 15 3 0 0 0 0 0 0 -1.000 -1.000
2 1 257 257 248 259 247 259 11.66 2100.0 2096.3 56 261 1058 206 12 0 0 0 0 0 0 -1.000 -1.000
3 1 258 272 257 267 256 266 6.83 2122.2 2101.9 61 106 609 46 6 0 0 0 0 0 0 -1.000 -1.000
4 1 267 268 265 267 264 267 3.41 2143.5 2127.9 70 78 232 9 10 0 0 0 0 0 0 -1.000 -1.000
5 1 269 279 263 270 262 269 12.90 2200.4 2119.6 57 207 456 151 8 0 0 0 0 0 0 -1.000 -1.000
6 1 277 266 265 266 264 267 15.90 2253.2 2127.9 57 139 232 83 11 0 0 0 0 0 0 -1.000 -1.000
7 2 264 267 263 268 262 269 2.83 2127.9 2119.6 232 236 456 18 9 0 0 0 0 0 0 -1.000 -1.000
8 2 262 269 257 266 256 266 7.24 2119.6 2101.9 456 501 609 57 7 0 0 0 0 0 0 -1.000 -1.000
9 2 256 266 248 260 247 259 13.07 2101.9 2096.3 609 793 1058 185 5 0 0 0 0 0 0 -1.000 -1.000
10 2 247 259 230 248 229 247 24.73 2096.3 1972.5 1058 1222 1340 167 4 0 0 0 0 0 0 -1.000 -1.000
11 2 229 247 224 233 224 232 18.07 1972.5 1919.6 1340 1564 1564 242 2 0 0 0 0 0 0 -1.000 -1.000
12 2 224 232 224 232 224 232 0.00 1919.6 1919.6 1564 1564 1564 0 1 0 0 0 0 0 0 -1.000 -1.000
-1
** NOTES **
- COLUMNS 1 THROUGH 22 ARE COMPUTED BY PROGRAM DEDNM;
COLUMNS 23 AND 24 ARE COMPUTED BY PROGRAM PARAM.
- FOR COMPLEX JUNCTION NODES THE CHANNEL LINK INFORMATION
RELATES TO THE FIRST NODE NUMBER ONLY.
- BECAUSE THE NETWORK MAY CONTAIN COMPLEX JUNCTIONS, THE NUMBER OF CHANNEL
LINKS MAY BE SMALLER THAN THE THEORETICALLY EXPECTED NUMBER BASED ON
THE COUNT OF SOURCE NODES.
- THE LAST LINE OF DATA DOES NOT REPRESENT A CHANNEL LINK. IT REPRESENTS
THE WATERSHED OUTLET CELL.
- ELEVATION VALUES ARE REPORTED TO THE NEAREST DECIMETER.
- THE THREE DRAINAGE AREA COLUMNS UNDER THE HEADING OF UPSTREAM AREA DO NOT
INCLUDE THE AREA OF THE CURRENT CELL ITSELF. THEY INCLUDE ALL (CHANNEL
AND OVERLAND) INFLOWS FLOWING INTO THE CURRENT CELL. THIS LAST COMMENT
IS PARTICULARLY RELEVANT FOR THE COLUMN LABELED *UPSTR.*.
- THE DIRECT DRAINAGE AREA IS ALL OVERLAND AREA FLOWING DIRECTLY INTO A
CHANNEL LINK. THIS DOES NOT INCLUDE UPSTREAM CHANNEL INFLOW, BUT IT DOES
INCLUDE UPSTREAM OVERLAND INFLOW INTO THE FIRST CELL OF A CHANNEL LINK.
ALSO, THE DIRECT DRAINAGE AREA FOR FIRST ORDER CHANNELS DOES NOT
INCLUDE THE DRAINAGE AREA FLOWING INTO THE CHANNEL SOURCE NODE OR CELL.
THIS SOURCE DRAINAGE AREA IS GIVEN FOR FIRST ORDER CHANNELS BY THE COLUMN
LABELED *UPSTR.*.
- THE DIRECT DRAINAGE AREA INTO THE OUTLET CELL, AS WELL AS THE AREA OF THE
OUTLET CELL ITSELF, ARE ACCOUNTED FOR IN THE LAST CHANNEL LINK (PREVIOUS
TO LAST DATA LINE).
AS A RESULT, THE VALUE OF THE DIRECT DRAINAGE AREA OF THE LAST CHANNEL
LINK INCLUDES, IN ADDITION TO ITS OWN DIRECT DRAINAGE AREA, THE DIRECT
DRAINAGE AREA INTO THE OUTLET CELL, AS WELL AS THE AREA OF THE OUTLET
CELL ITSELF. THIS NECESSITATES THAT THE UPSTREAM AREA LABELED
"DWSTR.-1" OF THE LAST CHANNEL LINK ALSO INCLUDES THE DIRECT DRAINAGE
AREA OF THE OUTLET CELL, AS WELL AS THE AREA OF THE OUTLET CELL ITSELF.
- VALUE OF -1 INDICATES TERM NOT APPLICABLE.
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