One of my student's parents used to work for the State of Maryland. He
once told me that they flew over the state (I think in a Leer Jet) and
photographed the state. They digitized the information and then went
out and did field surveys. When they identified a particular tree in
the field and told the computer what tree a particular image was, the
computer identified all similar trees throughout the state.
This sounds like a useful tool for you. It may be extremely expensive.
Of particular use may be finding out how the photographs were taken and
with what kind of film. It seemed it was IR.
Sorry I can't be more specific but it was a number of years ago.
Gregg Iverson
"W. J. Liles" wrote:
>
> <snip>
>
> What I want to do is use the airplane to routinely monitor the
> vegetation and water levels of the research area. It is my
> understanding that IR film can be used to monitor the health of plants
> and the amount of chlorophyl present and by inference the productivity
> of the plant population. Photography is also a quick method of
> monitoring any changes in the environment and will provide a record that
> just cannot be obtained from the ground.
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