Sentences with phrase «trend during recent decades»

Not exact matches

In spite of this long record of federal support for profit sharing and employee stock ownership, the Federal Government has backed off its support for broad - based employee stock ownership and profit sharing during virtually every recent Presidential administration for almost four decades, a trend that has lasted to the present.

Obviously other cities have grown up around subways and trains to a much greater extent, but we all know that during recent decades the trend has been in the direction of Los Angeles.

To put recent trends in even sharper relief, 205 abortion restrictions were enacted over the past three years (2011 — 2013), but just 189 were enacted during the entire previous decade (2001 — 2010).

No trend in 30 years is the summary statement — that 2001 paper shows no trend over 1980 - 2000; other work cited in the intermediate article shows no trend during the most recent decade.

The most recent 13 complete calendar years, from 2002 through 2014, have averaged 0.18 °C (about 0.33 °F) warmer than the 30 - year baseline average, while the global temperature trend during that span was a warming trend at the rate of +0.05 °C per decade — which is also statistically insignificant.

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.

The new analysis reveals that global trends in recent decades are higher than reported in the IPCC Fifth Assessment Report, and the central estimate for the rate of warming during the first 15 years of the 21st century is at least as great as the last half of the 20th century.

The most recent global estimate shows an increase in precipitable water during the period 1973 - 1990, with the largest trends in the tropics, where increases as large as 13 % per decade were found.

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

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

Hence, atmospheric GEM concentrations inferred from Greenland firn air and global anthropogenic Hg emissions have exhibited consistently similar trends during the most recent decades (Fig. 2), suggesting that the atmospheric reservoir of mercury at mid - and high - northern latitudes has been driven mainly by anthropogenic emissions during the last decades.

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.