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Researchers Develop New Instrument to Monitor Atmospheric Mercury（图）
Researchers Instrument to Monitor Atmospheric Mercury
2015/3/4
Researchers at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science developed and tested a new sensor to detect ambient levels of mercury in the atmosphere. Funded through ...
A review of worldwide atmospheric mercury measurements
worldwide atmospheric mercury measurements observed gaseous Hg global Hg emission
2010/9/14
The analysis of Hg concentration patterns indicates the differences in regional source/sink characteristics, with increasing variability toward areas strongly influenced by anthropogenic sources. The ...
Toward real-time measurement of atmospheric mercury concentrations using cavity ring-down spectroscopy
real-time measurement atmospheric mercury concentrations cavity ring-down spectroscopy
2010/8/12
Cavity ring-down spectroscopy (CRDS) is a direct absorption technique that utilizes path lengths up to multiple kilometers in a compact absorption cell and has a significantly higher sensitivity than ...
Oceanic influence on atmospheric mercury at coastal and inland sites: a springtime noreaster in New England
Oceanic influence atmospheric mercury springtime noreaster New England
2009/6/22
Continuous measurements of elemental (Hg0) and reactive mercury were conducted at two sites in New Hampshire during a powerful April 2007 noreaster. During the most intense period of the storm, enhanc...
A synthesis of atmospheric mercury depletion event chemistry in the atmosphere and snow
synthesis atmospheric mercury depletion chemistry atmosphere and snow
2008/11/3
It was discovered in 1995 that, during the spring time, unexpectedly low concentrations of gaseous elemental mercury (GEM) occurred in the Arctic air. This was surprising for a pollutant known to have...