Dr Marinoni and her colleagues have been examining Himalayan soot since 2006.

自从2006年开始Dr Marinoni和他的同事就在调查研究喜马拉雅山上的烟灰。

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"The apparent orientation is biased because we measure orientation not with a compass or with a ruler but with redshift," Marinoni says.

“因为我们测量方向并不是用指南针或者尺子而是用红移，所以呈现的方向会有畸变，”马里·诺尼说。

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Dr Marinoni estimates that the combined effect of this crud could reduce the glaciers' ability to reflect light by 2-5% and increase the amount of melting by 12-34%.

Dr Marinoni估计这种杂质的共同作用能使冰川的反光能力降低2 - 5%，融化范围增加12—34%。

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Dr Marinoni estimates that the combined effect of this crud could reduce the glaciers' ability to reflect light by 2-5% and increase the amount of melting by 12-34%.

ECONOMIST: Pollution in the Himalayas

By analysing atmospheric circulation patterns, Dr Marinoni and her colleagues found that winds could bring soot and dust from as far away as Europe, the Middle East and North Africa.

ECONOMIST: Pollution in the Himalayas