Hydrologists beware… the prediction of rainfall amongst other things is based on historical statistics. These may be less reliable due to climate changes which are occurring, according to Mr Jarraud, a specialist on the subject.
"Using statistics based on the past is not (useful) because of climate change. Farmers say rain patterns are not what they used to be, the weather is different," Mr Jarraud said. In addition to uncertainty for agriculture, a changing climate also makes city planning difficult, he said, citing storm surges and the construction of dams.
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