Sentences with phrase «truly global measurements»

Mercury levels in the upper layers of the ocean are up 3.4 x since the beginning of the industrial revolution, according to the first study to have done truly global measurements of marine mercury levels by taking thousands of samples around the world over half a decade.

When the IPCC claimed that the GCM models (with GHG forcing included) could replicate the observed changes in global average temperatures do you know if they were referring to a truly global measurement or were they just using the US temp record?

Not exact matches

The work is an estimate of the global average based on a single - column, time - average model of the atmosphere and surface (with some approximations — e.g. the surface is not truly a perfect blackbody in the LW (long - wave) portion of the spectrum (the wavelengths dominated by terrestrial / atmospheric emission, as opposed to SW radiation, dominated by solar radiation), but it can give you a pretty good idea of things (fig 1 shows a spectrum of radiation to space); there is also some comparison to actual measurements.