Jose Have you read of the work done by the Agrometeorogical Department of the University of Orange Free State in South Africa? They have been using small radio control aeroplanes to measure evaporation (and stress?) via infra-red or some similair method. I can supply email addresses of the researchers if you are interested. -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-. Bruce Metelerkamp SOIL WATER RESEARCH OFFICER Institute for Commercial Forestry Research, University of Natal, PO Box 100281 Scottsville, ZA3209 Rep. of South Africa Voice:27 331 62314 E-mail: bruce@icfr.unp.ac.za FAX:27 331 68905 URL http://www.icfrnet.unp.ac.za/homes/bruce.html
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