The dots
indicate measurement sites for mass balance.
Not exact matches
One key
measurement of Twitter's popularity, Twitter.com's traffic,
indicates a disturbing trend: ComScore shows that growth of U.S. visitors to the
site has leveled off more than a year after its massive spike upward in 2009.
This report found that direct
measurements of methane emissions from 190 onshore natural gas
sites in the United States
indicate that methane emissions from completed wells are are lower than commonly thought although the report also acknowledged that emissions from pneumatic controllers and other equipment associated with natural gas production facilities were higher than previously estimated.
(
Measurement sites on the right on the Lynch Glacier
indicated by dots)