Sentences with phrase «global air sampling»

Not exact matches

NOAA, for example, which runs a global, cooperative air sampling network, reported last year that all Arctic sites in its network reached 400 ppm for the first time.

Fueled by people's pyromania and the El Niño global weather phenomenon, carbon dioxide concentrations reached 409.44 parts per million on April 9 at an air - sampling station atop Hawaii's Mauna Loa, a rise of more than five ppm since the same date last year.

The Boulder lab is part of a global network of air - sampling laboratories that track carbon dioxide levels in the atmosphere.

The reference network consists of in - situ measurements at observatories and tall towers, and air samples collected at global surface sites and aboard small aircraft.

packed with common problems awaiting for solutions - global warming, urban air pollution, contaminants in drinking water / contains samples of distributions of variables, it is actually a very large Bayesian belief network, which can be used for assessment - level analyses and conditioning and optimising different decision / and discussions about the actual topics related to real - world decision - making, there is also a meta level in Opasnet.

«We've had about a 25 percent decrease in the number of air samples measured from the global cooperative network,» Dlugokencky told Live Science.

Keeling, C. D., and Whorf, T. P., 2005, Atmospheric CO2 records from sites in the SIO air sampling network, Trends: A Compendium of Data on Global Change, Oak Ridge, TN, Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory.