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"At first we thought the instruments were broken," says Alexandra Steffen, an atmospheric mercury specialist at Environment Canada who was involved in those early experiments and the new study published in Nature. "Then it happened again. So then we started to r
Date: Jan 16, 2014
Category: Sci/Tech
Source: Google
Sea Ice Cracks Causing Mercury Buildup in Arctic Air
An aerial view of sea ice cracks, also known as leads, near Barrow, Alaska. Clouds are generated due to the large temperature differences between the water and air.Click image to enlarge.Credit: Alexandra Steffen
Date: Jan 15, 2014
Category: Sci/Tech
Source: Google
Toxic Mercury, Accumulating In the Arctic, Springs From a Hidden Source
discharged by rivers and to determine its origin."Fisher, Jacob, and Sunderland were joined on this work by co-authors Anne L. Soerensen, a research fellow at SEAS and HSPH; Helen M. Amos, a graduate student in EPS; and Alexandra Steffen, an atmospheric mercury specialist at Environment Canada.
Date: May 22, 2012
Category: Sci/Tech
Source: Google
Global warming could boost mercury levels in Arctic
Fisher, Jacob, and Sunderland were joined on this work by co-authors Anne L. Soerensen, a research fellow at SEAS and HSPH; Helen M. Amos, a graduate student in EPS; and Alexandra Steffen, an atmospheric mercury specialist at Environment Canada.