ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
Climate Change of the Lanjiang River Basin in Recent 43 Years and Its Impacts on Water Resources
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Abstract:
The climate change and its impacts on water resources in recent 43 years (1961-2 003) in the Lanjiang River Basin are studied by analyzing the temperature, preci pita tion and runoff with the cumulative departure method. The results show that the temperature and precipitation of the Lanjiang basin had a rising trend in the re cent 43 years. Since 1961, the temperature and precipitation have increased most in the 1990s which is contributed by rising in temperature of winter and spring and in precipitation of summer. The annual runoff of the Lanjiang River Basin keeps the same trend as the annual precipitation. Thus the climate change in the Lanjiang Riv er Basin has the impact on it's water resources. There is a difference in spatia l distribution of the water resources in the Lanjiang River Basin, and the Jinhu a City in the Lanjiang River Basin is subject to climate change which can resul t in a shortage of fresh water.
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