2014-01-29_HYDROLOGY - P2009025 ‎(8)‎

• Permit No: P2009025
• IBM Index Class Name: HYDROLOGY
• Doc Date: 1/29/2014
• Doc Name: Baseline Hydrologic Monitoring Plan
• From: Black Range Minerals
• To: DRMS
• Email Name: TC1
• Media Type: D
• Archive: No

SOP for Stream Flow Measurement - Hansen Project i
TABLE OF CONTENTS
1. INTRODUCTION ..................................................................................................... ............................... 1
2. EQUIPMENT ............................................................................................................ ............................... 1
2.1 Material Required for Flume Measurements .......................................... ............................... 1
2.2 Materials Required for Velocity-Area Measurements using a Flow Probe ........................... 2
2.3 Materials Required for Velocity -Area Measurements using a AA or Pygmy Meter ............ 2
2.4 Materials Required for Indirect Methods ............................................... ............................... 3
3. FLOW MEASUREMENT PROCEDURES ............................................................... ..............................4
3.1
Flumes
.................................................................................................... ............................... 4
3.1.1
Theoretical Considerations ........................................................ ............................... 4
3.1.2
Field Procedures ........................................................................ ............................... 4
3.1.3
Discharge Calculations .............................................................. ............................... 5
3.1.4
Quality Assurance ................................................................... ...............................
10
3.2
Velocity-Area Method using Price AA or Pygmy Meter ..................... ...............................
10
3.2.1
Current Meters ......................................................................... ...............................
10
3.2.1.1 Vertical Axis Current Meter ....................................... ...............................
10
3.2.1.2 Marsh- McBirney Velocity Meter ............................... ...............................
10
3.2.2
Theoretical Considerations ...................................................... ...............................
11
3.2.3
Required Measurement Conditions ......................................... ...............................
13
3.2.4
Field Procedures ...................................................................... ...............................
14
3.2.5
Discharge Calculations ............................................................ ...............................
18
3.2.6
Maintenance and Calibration Procedures ................................ ...............................
19
3.3
Velocity-Area Method using the Flow Probe ....................................... ...............................
20
3.3.1
Field Procedures ...................................................................... ...............................
20
3.3.2
Discharge Calculations ............................................................ ...............................
21
3.3.3
Maintenance and Calibration Procedures ................................ ...............................
22
3.4
Indirect Methods ................................................................................... ...............................
24
3.4.1
Theoretical Considerations ...................................................... ...............................
24
3.4.2
Required Measurement Conditions ......................................... ...............................
25
3.4.3
Maintenance and Calibration Procedures ................................ ...............................
26
3.4.4
Field Procedures ...................................................................... ...............................
26
3.4.5
Discharge Calculations ............................................................ ...............................
27
4. QUALITY ASSURANCE ....................................................................................... ............................... 27
5. REFERENCES ........................................................................................................ ............................... 27
LIST OF TABLES
Table 1. Coefficients and Exponents for Parshall Flumes ............................................... ............................... 6
Table 2. Lookup Table for Portable Cutthroat Flume ..................................................... ............................... 8
4153A.140129 Whetstone Associates