[1]李英年,赵新全,周华坤,等.长江黄河源区气候变化及植被生产力特征[J].山地学报,2008,(06):678.
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长江黄河源区气候变化及植被生产力特征()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2008年06期
页码:
678
栏目:
山地学报
出版日期:
2008-11-15

文章信息/Info

作者:
李英年;赵新全;周华坤;汪诗平;
中国科学院西北高原生物研究所;
关键词:
江河源区气候变化蒸散量生态环境
文献标志码:
A
摘要:
近半个世纪以来长江、黄河源区的气温、蒸散量升高的倾向率趋势明显,而且东部大于西部,气温、蒸发在一定的时空尺度上波动变化明显,是导致区域生态环境变化的重要原因,而年降水量变化态势较为平稳。1987年以来土壤湿度下降明显,表明在气候温暖化状况下,土壤蒸发量远大于降水的补给量,导致土壤向暖干化发展。1987年以来植被地上净初级生产力在气候环境影响下,年际波动明显,而且在近十几年也下降明显。

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更新日期/Last Update: 2008-11-15