EIS Arapahoe & Roosevelt National Forest, Pawnee National Grassland

• File Number: 8461.250
• Description: Water Issues
• State: CO
• Basin: South Platte
• Water Division: 1
• Author: USDA, Forest Service, Rocky Mountain Region
• Title: EIS Arapahoe & Roosevelt National Forest, Pawnee National Grassland
• Water Supply Pro - Doc Type: EIS

VGATER YIEL.O INCREASE 1: WEIGHTED AVG. BY ASPECT FOR WATEFi YIELD INCREASE
• 7-18•87 LS ' WATEFi YIEID RECOVEAV
PERCENT WEIGHTED AVG WATER YIELD AFTER
7YPE/512E RX ASPECT WYI FOR EACH ASPECT WATER YIELD INCREASE 10 YRS 20 YRS 30 YRS 40 YRS 50 YRS
(iNCHES)
Lp WRGE CC SOUTH 8.4 0.2 7.8 1.5 1.3 1.7 0.9 0.7
NORTH 14.4 0.3 4.2 3.7 3.7 2.6 2.1 1.6
\ E.yy 11.2 0.5 5.6 4.9 4.2 3.5 2.8 2.1
TOTAL WEIGHTED AVG 11.5 10.1 8.7 7.2 5.8 4.3
CC
I SOUTH 8.4 0.2 7.8 1.5 1.3 7.1 0.9 0.7
NORTH 14.4 0.3 4.2 3.7 3.7 2.6 2.7 1.6
E•W 11.3 0.5 5.7 4.9 4.2 3.5 2.8 2.7
TOTAL WEIGHTED AVG 11.6 10.1 8.7 7.2 5.8 0.3
%REMOVED
Lp LARGE SHELTERWOOD SOUTH 0.55 4.62 0.2 1.0 0.6 0.7 4.6 0.5 0.4
1ST ENTRY NOFiTH 0.55 7.92 0.3 2.3 2.0 1.7 1.4 1.1 0.9
E-W 0.55 6.16 0.5 3.7 2.7 2.3 1.9 1.5 1.2
TOTAL WEfGHTED AVG 6.3 5.6 4.8 4.0 3.2 2•6
SHELTERWOOD SOUTH 0.45 3.78 0.2 0.8 0.7 0.6 0.5 0.4 0.3
2ND ENTRY NORTH 0.45 6.48 0.3 1.9 1.6 1.4 1.2 0.9 0.7
E-W 0.45 5.O4 0.5 2.5 22 1.9 1.6 1.3 0.9
TOTAL WEIGHTED AVG 5.2 4.5 3.9 3.2 26 1.9
LP MEDIUM SHELTERWOOD SOUTH 0.55 4.62 02 7.0 0.8 0.7 0.6 0.5 0.4
1ST ENTRY NORTH 0.55 7.92 0.3 2.3 2.0 1.7 1.4 1.1 0.9
E-W 0.55 6.215 0.5 3.7 2.7 2.3 1.9 1.6 1.2
TOTAL WEIGHTED AVG 6.4 5.6 4.8 4.0 3.2 2.4
SHELTERWOOD SOUTH 0.45 3.78 02 0.8 0.7 0.6 0.5 0.4 0.3
2ND ENTRY NORTH 0.45 6.48 0.3 1.9 1.6 1.4 7.2 0.9 0.7
E-W 0.45 5.04 0.5 2.5 22 1.9 1.6 1.3 0.9
oremoved TOTAL WEIGNTEp AYG 5.2 4.5 3.9 3.2 26 1.9
SF LARGE SHELTERWOOD SOUTH 0.55 5.61 02 0.8 0.7 0.6 0.5 0.4 0.3
2 STEP 1ST ENTRY NOFTH 0.55 9.57 0.4 3.5 3.1 2.7 2.2 1.8 1.3
E-W 0.55 7.535 4.5 3.5 32 2.7 2.3 7.8 1•4
TOTAL WEIGHTED AVG 8.0 7.0 6.0 5.0 4.0 3.0
SHELTERWOOD SOUTH 0.45 4.59 02 0.7 0.6 0.5 0.4 0.3 0.3
2ND ENTRY NOATH 0.45 7.83 9.4 2.9 2,5 2.2 1.8 1.4 1•1
E•W 0.45 6.165 0.5 3.0 2.6 2.2 1.8 1.5 1.1
TOTAL WEIGHTED AVG 6.5 5.7 4.9 4.1 3.3 2.5
SF LARGE SHELTERWOOD SOUTH 0.25 2.55 0.2 0.4 0.3 0.3 0.2 0.2 0.1
3 STEP 1S7 ENTRY NORTH 0.25 425 0.4 7.6 1.4 1.2 7.0 0.8 0.6
E-W 0.25 3.425 0.5 7.6 1.4 1.2 7.0 0.8 0.6
T07AL WEIGH7ED AYG 3.6 3.2 2.7 23 1.8 1•0
SHELTERWOOD SOUTH 0.45 4.59 0.2 0.7 0.6 0.5 0.4 0.3 0.3
2N0 ENTRY NORTH 0.45 7.83 0.4 2.9 2.5 2.2 7.8 1.4 1.1
E-W 0.45 6.165 0.5 3.0 2.6 2.2 1.8 1.5 1•1
TOTAL WEIGHTED AVG 6.5 5.7 4.9 4.1 3.3 2.5
SHELTEAWOOD SOUTH 0.3 3.06 0.2 0.5 0.4 0.3 0.3 0.2 0.2
? 3RD ENTRY NORTH 0.3 522 0.4 1.9 1.7 1.4 1.2 1.0 0.7
E-W 0.3 4.11 0.5 2.0 1.7 1,5 1.2 1.0 0.7
-` TOTAL WEIGHTED AVG 4.4 3.8 3.3 27 22 1.6
SF MEDIUM SHELTERWOOD SOUTH 0.55 5.61 0.2 0.8 0.7 0.6 0.5 0.4 0.3
2 STEP 7 ST ENTRY NOqTH 0.55 9.625 0.4 3.6 3.1 2.7 2.2 1.8 1.3
E•W 0.55 7.59 0.5 3.6 3.2 2.7 2.3 1.8 1.4
TOTAL WEIGHTED AVG 8.0 7.0 6.0 5.0 4.0 3.0
SHELTEAWOOD SOUTH 0.45 4.59 0.2 0.7 0.6 0.5 0.4 0.3 0.3
2ND ENTFY NORTH 0.45 7.875 0.4 2.9 2.5 2.2 1.8 1.5 1.1
E-W 0.45 621 0.5 3.0 2.6 2.2 1.9 1.5 11
TOTAL WEIGMTED AVG 6.6 5.8 0.8 4.1 3.3 2.5
SF MEDIUM SHELTERWOOD SOUTIi 0.25 2.55 0.2 0.4 0.3 0.3 0.2 0.2 0.1
3 STEP 1ST ENTRY NORTH 0.25 4.375 0.4 1.6 1.4 1,2 1.0 0.8 0.6
E-W 025 3.45 0.5 1.7 1.4 1.2 1.0 0.8 0.6
TOTAI WEIGMTED AVG 3.7 3.2 27 23 1.8 1.4
SHELTERWOOD SOUTH 0.45 4.59 0.2 0.7 0.6 0.5 0.4 0.3 0.3
2ND ENTRY NORTH 0.45 7.875 0.4 2.9 2.5 2.2 1.8 7.5 1.1
E-W 9.45 621 0.5 310 2.6 2.2 1.9 1.5 1.1
TOTAI WEIGNTED AVG 6.6 5.8 4.9 4.1 3.3 2.5
SHELTERWOOD SOUTH 0.3 3.06 0.2 0.5 0.4 0.3 0.3 0.2 0.2
3RD ENTRY fdORTH 0.3 5.25 0.4 1.9 1.7 1.5 1.2 1.0 0.7
E•W 0.3 4.14 0.5 2.0 1.7 1.5 1.2 1.0 0.7
TOTAL WEIGHTED AVG 4.4 3.8 3.3 27 22 1.6
?
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