The Climate and the Human Activities

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• The Climate and the Human Activities
• Natural Variations of the Water Cycle
• Water Crisis in the 21st Century
• The Human Impacts on the Water Cycle
• Land Use Changes
• Green House Gas Emission and
• Possible Changes in Extreme Events
• Large Uncertainties
• An Intl. Water Cycle Research Initiative

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Deforestation in Thailand
50
10
1960
2000
2
(Kanae et al., 2001)
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Decreasing trend (?)of rainfall (1951 ? 1995) is
remarkable over the whole of Thailand only in
September.
(Kanae et al., 2001)
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