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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Identification of human-induced changes in atmospheric moisture content
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Identification of human-induced changes in atmospheric moisture content

机译：识别人为引起的大气水分含量变化

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摘要

Data from the satellite-based Special Sensor Microwave Imager (SSM/I) show that the total atmospheric moisture content over oceans has increased by 0.41 kg/m~2 per decade since 1988. Results from current climate models indicate that water vapor increases of this magnitude cannot be explained by climate noise alone. In a formal detection and attribution analysis using the pooled results from 22 different climate models, the simulated "fingerprint" pattern of anthropogenically caused changes in water vapor is identifiable with high statistical confidence in the SSM/I data. Experiments in which forcing factors are varied individually suggest that this fingerprint "match" is primarily due to human-caused increases in greenhouse gases and not to solar forcing or recovery from the eruption of Mount Pinatubo. Our findings provide preliminary evidence of an emerging anthropogenic signal in the moisture content of earth's atmosphere.
机译：来自卫星的特殊传感器微波成像仪（SSM / I）的数据显示，自1988年以来，海洋上的总大气湿度每十年增加了0.41 kg / m〜2。当前气候模型的结果表明，水汽的增加强度不能仅凭气候噪声来解释。在正式的检测和归因分析中，使用来自22个不同气候模型的汇总结果，可以在SSM / I数据中以高统计可信度识别人为导致的水蒸气变化的模拟“指纹”模式。强迫因素各不相同的实验表明，这种指纹“匹配”主要是由于人为导致的温室气体增加，而不是由于太阳强迫或皮纳图博火山爆发而恢复。我们的发现提供了地球大气中水分中新出现的人为信号的初步证据。

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