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Airborne particles might grow fast in cities 期刊论文
NATURE, 2020, 581 (7807) : 145-146
作者:  Boyd, Ian
收藏  |  浏览/下载：6/0  |  提交时间：2020/07/03

Nanoscale particles have been observed to form and grow in the atmospheres of many cities, contradicting our understanding of particle-formation processes. Experiments now reveal a possible explanation for this mystery.


Rapid condensation of ammonium nitrate on small atmospheric particles.


  
Short-term tests validate long-term estimates of climate change 期刊论文
NATURE, 2020, 582 (7811) : 185-186
作者:  Tollefson, Jeff
收藏  |  浏览/下载：12/0  |  提交时间：2020/07/03

Climate sensitivity to atmospheric CO2 levels is likely to be high.


Six-hour weather forecasts have been used to validate estimates of climate change hundreds of years from now. Such tests have great potential - but only if our weather-forecasting and climate-prediction systems are unified.