Sentences with phrase «since relative uncertainty»

It would clearly be inappropriate to regress surface temperature changes on forcing changes for the reasons you give, since relative uncertainty in forcing changes is much larger than that in temperature changes.

Not exact matches

Since the beginning of April, the relative strength on foreign stocks has been eroding on euro - zone uncertainty and economic deceleration in Asia.

Regarding variability, the ISPM fails to mention that the IPCC found that the larger «natural climatic variability» is almost all in the direction of cooler temperatures, relative to «previous estimations», for the past millenium: «The additional variability shown in some new studies [since the Third Assesment Report] implies mainly cooler temperatures (predominantly in the 12th to 14th, 17th and 19th centuries), and only one new reconstruction suggests slightly warmer conditions (in the 11th century, but well within the uncertainty range indicated in the TAR).»

I haven't yet studied the article in detail but my thoughts are that the relative uncertainties are high, as expected since the atmospheric CO2 level at a given time is the response of the complex carbon cycle to the net anthro increase (6 Gt from fossil + est 2 Gt from land use change), small but not negligible compared to the gross carbon cycle fluxes (90 Gt to / from ocean, 120 Gt to / from biosphere).