Best Practices in Hydrographic Surveying

Best Practices in Hydrographic Surveying

Manuals and Standards Report Best Practices in Hydrographic Surveying Living Quick Users Guide for Hydrographic Survey Equipment, Version 1.0 U.S. Department of the Interior Bureau of Reclamation Technical Service Center Denver, Colorado September 2019 Mission Statements The Department of the Interior protects and manages the Nation's natural resources and cultural heritage; provides scientific and other information about those resources; and honors its trust responsibilities or special commitments to American Indians, Alaska Natives, and affiliated island communities. The mission of the Bureau of Reclamation is to manage, develop, and protect water and related resources in an environmentally and economically sound manner in the interest of the American public. Manuals and Standards Report Best Practices in Hydrographic Surveying Living Quick Users Guide for Hydrographic Survey Equipment, Version 1.0 U.S. Department of the Interior Bureau of Reclamation Technical Service Center Denver, Colorado September 2019 Disclaimer This users guide describes procedures and methods to operate certain equipment for the measurement of position, depth, and velocity in rivers and reservoirs. Product names are sometimes mentioned to describe specific equipment for which the procedures and methods apply. Nothing in this users guide constitutes endorsement by the Bureau of Reclamation of a particular product or method. Best Practices in Hydrographic Surveying Living Quick Users Guide for Hydrographic Survey Equipment Table of Contents page Introduction ............................................................................................................1 Real-Time Kinematic Global Positioning System Surveying.............................3 Introduction ............................................................................................................. 3 Equipment ............................................................................................................... 4 RTK Base Station Setup Procedure ........................................................................ 5 Field Book Notes ............................................................................................. 7 RTK Rover Setup Procedure .................................................................................. 7 Downloading and Processing Data ......................................................................... 8 Global Versus Local Coordinates .................................................................... 9 Import Corrected Base Point Into Trimble Business Center ......................... 10 Troubleshooting Common Issues ......................................................................... 11 Survey Styles Nomenclature ................................................................................. 12 Radio Setup Notes................................................................................................. 12 Changing HPB450 Radio to Repeater or Vice Versa .................................... 15 Real-Time Network Surveying ...........................................................................17 Introduction ........................................................................................................... 17 Benefits and Limitations of RTN Surveying ........................................................ 18 Connection Options From Rover to RTN ............................................................. 19 Planning for Virtual Reference Network Surveying ............................................. 20 In the Field ............................................................................................................ 22 Post-Processing ..................................................................................................... 23 Example Applications ........................................................................................... 23 Elwha River, Washington .............................................................................. 23 Siletz River, Oregon ...................................................................................... 24 Helpful Web Links ................................................................................................ 24 Robotic Total Station Surveying.........................................................................25 Introduction ........................................................................................................... 25 Equipment ............................................................................................................. 25 Total Station Setup Procedure .............................................................................. 26 Field Book Notes to Record for Each Base Setup ......................................... 30 Measurement Procedures ...................................................................................... 31 Post-Processing Total Station and Scanning Data (Trimble S7 Total Station) .... 32 Data Export Options ...................................................................................... 37 Other Useful Tips and Tricks ................................................................................ 39 Single Beam Measurements With SonarMite ...................................................41 Introduction ........................................................................................................... 41 Equipment ............................................................................................................. 41 Technical Components.......................................................................................... 43 i Best Practices in Hydrographic Surveying Living Quick Users Guide for Hydrographic Survey Equipment Planning ................................................................................................................ 43 Battery Charging ............................................................................................ 43 Speed of Sound .............................................................................................. 44 Bluetooth Specifications ................................................................................ 45 In the Field ............................................................................................................ 46 Equipment ...................................................................................................... 46 Mount ............................................................................................................. 46 Power Depth Sounder .................................................................................... 47 Connecting to Trimble Equipment ................................................................ 47 Measurements Before Launching .................................................................. 48 Quality Assurance Before Launching ............................................................ 48 Quality Assurance During Launching ........................................................... 49 Troubleshooting During Survey if Depth Sounder Stops Working ............... 50 Removing Depth Sounder .............................................................................. 50 Process Hydrolite Depth Sounder Data ................................................................ 51 Multibeam Surveying ..........................................................................................55 Processing Multibeam Data Using the HYPACK® MBMAX64 Multibeam Editor.................................................................................................63 Hydro-Acoustics Processing Software ...............................................................71 Introduction ........................................................................................................... 71 Purpose .................................................................................................................. 71 Need ...................................................................................................................... 71 User Interface ........................................................................................................ 72 Option 1 – Velocity or Bathymetric Data Collected With a SonTek S5/M9 RiverSurveyor ADCP ........................................................................................... 73 RiverSurveyor Data Export ........................................................................... 73 SRH-HAPS Processing Interface .................................................................. 74 Code Development ........................................................................................ 74 Units ............................................................................................................... 75 Water Surface Elevation Source .................................................................... 75 User Supplied Data ........................................................................................ 75 Data Output .................................................................................................... 77 Static Horizontal Offset (OPUS Correction) ................................................. 78 Horizontal Averaging Along Transect ........................................................... 78 Files Button .................................................................................................... 79 Process Button ..............................................................................................

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