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Sensitivity experiments and assessment of climatic changes in china induced by greenhouse effect

Journal of Environmental sciences 1990年第4期2卷 73-84页

作者： zhao zongci and ding yihuiacademy of meteorological science,state {2. Administration,beijing 100081,china

Climatic changes can be separated into two parts: natural changes -and human activity influenced on climatic changes. The observed data could not only show the effects caused by human activity. Several simulated results as simulated by the GCMs induced by the greenhouse effects in china .have been analysed. It is shown that an obvious warming of about 3-6℃ in winter and 2.5℃ in summer in china as simulated by the GCMs induced by doubling CO2.have been found. There are getting drier or wetter regions in china due to doubled CO2.as simulated by most of models. Comparing the simulated results with the observed data in china, some simulated results are able to be believed. The GCMs should be improved, especially in the regional areas.

关键词： greenhouse effect climatic changes global warming.

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Influences of greenhouse effect on agricultural production in china

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Journal of Environmental sciences 1990年第4期2卷 3-10页

作者： Gao Suhua, ding Yihui, Pan Yaru and zhao {2. Academy of meteorological science,state meteorological Administration,beijing 100081,china

An obvious warming in china induced by doubled carbon, dioxide as simulated by the climatic models have been found. It is also noticed that there might be drying or wetting in some parts of china induced by doubled CO2.as simulated by the general circulation models(GCMs). Agricultural productivity mainly depends on the temperature, rainfall and soil moisture in china. The changes of agricultural productivity in the different parts of china induced by doubled CO2.have been estimated in this paper. It is shown that the greenhouse effect might cause increasing production in some parts of china and decreasing production in other parts of china.

关键词： greenhouse effect agricultural productivity doubled CO2 GCMs climatic productivity force.

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