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Aerial Photography and
Videography Standards:
Applications for Stream Inventory and Assessment

Prepared by Darren Ham (Department of Geography, UBC)
B.C. Ministry of Environment, Lands and Parks
Fisheries Branch
for the Aquatic Ecosystems Task Force,
Resources Inventory Committee

MARCH 1996


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PREFACE

The Resources Inventory Committee consists of representatives from various ministries and agencies of the Canadian and British Columbia governments. First Nations peoples are represented in the Committee. RIC objectives are to develop a common set of standards and procedures for the provincial resources inventories, as recommended by the Forest Resources Comission in its report "The Future of Our Forests".

Funding of the Resources Inventory Committee work, including the preparation of this document, is provided by the Canada-British Columbia Partnership Agreement on Forest Resources Development: FRDA II - a five year (1991-1996) $200 million program cost-shared equally by the federal and provincial governments.

Contents of this report are presented for discussion purposes only. A formal technical review of this document has not yet been undertaken. Funding from the partnership agreement does not imply acceptance or approval of any statements or information contained herein by either government. This document is not official policy of the Canadian Forest Service nor of any British Columbia Government ministry or agency.

 

ACKNOWLEDGEMENTS

Funding of the Resources Inventory Committee work, including the preparation of this document, is provided by the Corporate Resource Inventory Initiative (CRII) and by Forest Renewal BC (FRBC). Preliminary work of the Resources Inventory Committee was funded by the Canada-British Columbia Partnership Agreement of Forest Resource Development FRDA II.

The Resources Inventory Committee consists of representatives from various ministries and agencies of the Canadian and the British Columbia governments as well as from First Nations peoples. RIC objectives are to develop a common set of standards and procedures for the provincial resources inventories, as recommended by the Forest Resources Commission in its report "The Future of our Forests".

For further information about the Resources Inventory Committee and its various Task Forces, please contact:

The Executive Secretariat

Resources Inventory Committee

840 Cormorant Street

Victoria, BC V8W 1R1

Tel: (250) 920-0661

Fax: (250) 384-1841

http://ilmbwww.gov.bc.ca/risc/

 

Terrestrial Ecosystems Task Force - Aquatic Ecosystems

This document was prepared by Darren Ham, Department of Geography, University of B.C. Preparation of this document was initiated by Anthony Cheong, Fisheries Branch (Victoria), Ministry of Environment, Lands and Parks. Funding for this work was provided by the Resources Inventory Commission. This document is largely based on similar work completed in 1995 for Tom Johnston at the Fisheries Research Centre (UBC), Ministry of Environment, Lands and Parks. This document could not have been completed without this previous funding under a grant provided through the Watershed Restoration Program.

 

TABLE OF CONTENTS

Canadian Cataloguing in Publication Data

PREFACE

ACKNOWLEDGMENTS

1.0 INTRODUCTION

2.0 PROJECT SCOPE

3.0 OVERVIEW OF AERIAL PHOTOGRAPHY

4.0 OVERVIEW OF AERIAL VIDEO (VIDEOGRAPHY)

5.0 SIZE SCALES AND APPROPRIATE TECHNIQUES

6.0 SURVEY INTENSITY AND DATA COLLECTION STANDARDS

7.0 GLOBAL POSITIONING SYSTEMS

8.0 SUMMARY

APPENDIX A: PLANNING AN AERIAL PHOTOGRAPH SURVEY

APPENDIX B: CONTACTS

APPENDIX C: COMMERCIAL VIDEO SERVICES

REFERENCES

 

LIST OF FIGURES

Figure 1 Common remote-sensing platforms

Figure 2a, 2b Camera height vs. scale and scale vs. ground coverage

Figure 3 Print of original S-VHS video frame from Carnation Creek

Figure 4 Size scales and appropriate remote sensing platforms

Figure 5a Top Example of 35-mm photo taken from 10 metre pole

Figure 5b Bottom Photo taken from 35-mm camera suspended from a balloon

Figure 6 Positive print of 70-mm helicopter photo

Figure 7 Proposed data log sheet for future aerial video surveys

LIST OF TABLES

Table 1 Example camera settings for correct 35-mm exposures

Table 2 Field of view angles (FOV) for common photographic platforms

Table 3 Feature identification comparison for film types

Table 4 Ground resolution for aerial platforms

Table 5 Channel parameters and appropriate platforms

Table 6 Special project flight summary for Carnation and Clemens Creek

Table 7 Summary of GPS Positioning Methods

 

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