Sentences with phrase «observed during recent decades»

In the Northern Hemisphere, the trend agrees in sign but is of smaller amplitude than that observed during recent decades.

Not exact matches

During the most recent 10 - year period (2005 — 2014, rightmost points in the chart), the observed trend is 0.01 °C per decade while the model trend is 0.21 °C per decade.

Upon observing a recent divergence between sun and global temperature, Solanki concluded «solar variability is unlikely to have been the dominant cause of the strong warming during the past three decades».

The upward trend of the AMO SST index during recent decades coincides with the observed accelerated SLR along the US northeast coast.

Several analyses of ring width and ring density chronologies, with otherwise well - established sensitivity to temperature, have shown that they do not emulate the general warming trend evident in instrumental temperature records over recent decades, although they do track the warming that occurred during the early part of the 20th century and they continue to maintain a good correlation with observed temperatures over the full instrumental period at the interannual time scale (Briffa et al., 2004; D'Arrigo, 2006).

None of these could have been caused by an increase in atmospheric CO2, Model projections of warming during recent decades have greatly exceeded what has been observed, The modelling community has openly acknowledged that the ability of existing models to simulate past climates is due to numerous arbitrary tuning adjustments, Observations show no statistically valid trends in flooding or drought, and no meaningful acceleration whatsoever of pre-existing long term sea level rise (about 6 inches per century) worldwide, Current carbon dioxide levels, around 400 parts per million are still very small compared to the averages over geological history, when thousands of parts per million prevailed, and when life flourished on land and in the oceans.