WSP08119

• File Number: 8200.700
• Description: Colorado River Basin - General Publications
• State: CO
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 2/1/1993
• Author: DOI-BOR
• Title: Validation of Precipitation Management by Seeding Winter Orographic Clouds in the Colorado River Basin - BOR R-93-03 - Draft
• Water Supply Pro - Doc Type: Report/Study

OOJ137

APPENDIXES-Continued

Appendix

6. Discussion and conclusions
7. References . _ . . . . _ . .

B Comparisons of snowfall and supercooled liquid water between the Grand Mesa
of Colorado and the Wasatch Plateau of Utah . _ . . _ . . . . _ _
1. General considerations _..' _ _ . . . . . _ . . . . . . . . . .
2. Comparison of daily snowfall frequency and seasonal snowpack
3. Comparison ofSLW observations
4. SLW flux estimates . .
4.1 Tushar Mountains .
4.2 Wasatch Plateau. .
4_3 Grand Mesa _ . . . . .
5. Summary and conclusions _
6. References . . . . . . . . .

C Preliminary estimates of increased runoff from additional high elevation snowfall
in the Upper Colorado River Basin. . . .
1. [ntroduction . . . . . . . . . . . . . . .
2_ Observations and evaluation procedures
3. Results and discussion. _ . . . . . . _ .
3.1 Seasonal runoff relationships . . .. .
3.2 Snow course and pillow representativeness .
3.3 Similarities and differences among drainages
3.4 Annual runoff relationships. . _ _ . . . . . .
4. Runoff predictions from additional watersheds .. _ .
4.1 Predictions from two small Uinta mountain watersheds. .
4.2 Predictions from two small Colorado experimental watersheds.
5. Summary . . . . . . . . _ . . - . . . -
6. References . . . . . . . . . . . _ . . .

D Environmental compliance scope of study
1. [ntroduction . . _ . . . . . . . . . . . . . . . . . .
1.1 Purpose and need for environmental compliance and monitoring
1.2 Scope of this plan of study.
1.3 Assumptions _ . _ . . . . . .
2. NEPA compliance . . . . . . . .
2.1 Background .. - . . . . . .
2.2 Decisionmaking and timing.
2_3 Limitations on actions. . .
2.4 Levels ofNEPA compliance.
2.4.1 Categorical exclusion . .
2.4.2 Environmental assessment.
2.4.3 Environmental [mpact Statement
2.5 Format and content . . . . . . -
2.5.1 Categorical exclusion. . . . _ _ .
2.5.2 Environmental assessment. . . .
2.5.3 Environmental Impact Statement
2.6 Recommended compliance. . . . . - .
3. Key elements of the NEPA process . . .. ..
3.1 Determination of lead agency and cooperating agencies -
3.2 Formation of an interdisciplinary team ..... - - - - .
3.2.1 Proposed interdisciplinary team and areas of responsibility
3.3 Public involvement .. _ . . .
3.3.1 Objectives . . . . . . . . .
3.3.2 Public involvement plans.

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