Handbook for Obtaining and Using Aerial Photography to Map Aquatic Plant Distribution

摘要

Stepwise procedures are given for the tasks required in using low-altitude aerial photography to map aquatic plants. The tasks include problem identification, photomission design, acquisition of ground truth data, and photointerpretation and data presentation. The sources of existing aerial photographs and the general and technical requirements for aerial photography are given in Appendixes A and B, respectively. (Author)