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Table of Contents

CIP
PREFACE AND ACKNOWLEDGMENTS
ABSTRACT
INTRODUCTION
PART A: FISH AND FISH HABITAT


1. INTRODUCTION


2. PRODUCTION OF THE LAKE OUTLINE MAP

2.1 Aerial Photographs
2.1.1 Identifying air photos
2.1.2 Identifying and ordering enlargements
2.1.3. Calculating air photo/air photo enlargement scale
2.2 Lake Outline Maps

3. FIELD EQUIPMENT AND OPERATION

3.1 Lake Survey Form
3.2 Boat and Sounder Requirements
3.2.1 Boat Operation
3.2.2 Sounder Operation

4. FIELD PROCEDURE AND DATA COLLECTION

4.1 Shoreline Cruise
4.2 E-line
4.3 Transect layout
4.4 Spot Sounding
4.5 Conducting and Recording transects
4.5.1 Data management
4.5.2 Start of a transect
4.5.3 End of a transect
4.5.4 Recording Precise Transect Start and End Points
4.6 Referencing Depth Soundings with a Benchmark
4.7 High Water Mark
4.8 Final Transect Map

5. PREPARATION OF FINAL BATHYMETRIC MAP

5.1 Derivation of Distance/Depth Data along Transects
5.2 Selection of Appropriate Contour Intervals
5.3 Lake Volume, Area and Mean Depth Calculations
5.4 Map Format
5.4.1 Hardcopy Map Specifications
5.4.2 Digital Bathymetric Map Specifications
5.4.3 Checking of Final Map
5.5 Bathymetric Equipment Data Sheet

6. DELIVERABLES

6.1 Bathymetric Map Checklist
6.2 Deliverables: Item Checklist

7. REFERENCES
APPENDIX 1: BATHYMETRIC MAPPING SYMBOLS
APPENDIX 2: BATHYMETRIC MAP HEADER INFORMATION
APPENDIX 3: BATHYMETRIC EQUIPMENT CHECKLIST
GLOSSARY
PART B: WATER MANAGEMENT

List of Figures

Figure 1. Air photo and air photo enlargement of Saskum Lake.
Figure 2. Outline Map of Saskum Lake.
Figure 3. Lake Bathymetry section of the Lake Survey Form.
Figure 4. E-Line placement on a hypothetical lake.
Figure 5. Planned transect placement on a hypothetical lake.
Figure 6. Planned transect placement for Saskum Lake.
Figure 7. Information recorded on the paper trace at the start and finish of soundings at a lake.
Figure 8. Procedure for starting a transect at constant speed.
Figure 9. Maintenance of straight boat heading compensating for wind.
Figure 10. The final Lake Outline Map for Saskum Lake with the transect information recorded.
Figure 11. The final Transect Map for Saskum Lake.
Figure 12. The bathymetric map textbox for Saskum Lake.
Figure 13. The final Bathymetric Map of Saskum Lake.
Figure 14. Paper trace for transects 5, 6, and 7 on Saskum Lake.
Figure 15. Illustration of contour depth locations (a) on individual transects of a hypothetical lake (b) shown here with depth contours. The island in (a) was added for illustrative purposes only and is not mapped in (b).
Figure 16. Contour depth locations on transects 5, 6, and 7 of Saskum Lake.
Figure 17. The depth (h) and area (a) values for the hypothetical lake shown in Figure 15.

List of Tables

Table 1. Saskum Lake survey Calculation Sheet for transects 5, 6, and 7.
Table 2. Calculations for the total lake volume.

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