light conversions

[steve gordon]

Hi Mark,

Try this URL. http://eppleylab.com/conversions.htm

Steve.




Mark Warner <kwarner at accessgenesis.net> wrote in message
news:301019991510203796%kwarner at accessgenesis.net...
> Does anyone know the factor for converting Langleys (cal/cm2) to
> Watts/m2. We are working with meterological data and need to get the
> light data into a more understandable photosynthetic unit.
>
> Mark
>
> --