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中文摘要：
选择贵州陈旗流域内具有典型性的4种植被类型(林地、玉米地、灌丛和草地),采用地温计,Hobo压力式水位温度记录仪和手持红外热像仪(FLIR SC620)观测和分析温度垂向和空间日变化特征。结果表明:林地和灌丛垂向温度从冠层向地表明显降低,地表与冠层气温差异大;玉米地和草地的地表气温高于冠层,温度垂向特性与林地、灌丛不同;土壤平均温度及变幅,林地<草地<玉米地,以及林地<灌丛;地表温度及变幅,林地<玉米地<草地,以及林地<灌丛;冠层温度及变幅,林地和灌丛、林地和玉米地差异不大;林地对垂向气温调节能力大于灌丛;玉米地对气温调节能力弱与林地,强于草地;同时,平面空间上,温度差异显著,其空间温度的变幅随平均温度值的增大而增大。
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