Sentences with phrase «decadal rate from»
Applying each to the «corrected» decadal rate from 1950 to 2009 (which is 0.092 °C / decade), yields 0.090 °C / dec (from Brohan et al.) and 0.078 °C / dec (from McKitrick and Michaels).
https://www.masterresource.org/ Not exact matches
Analyzing data from several sources, including individual leaves, camera data from towers above the leaf canopy, and decadal long satellite images, Guan and his colleagues measured the photosynthesis rate over the landscape.
The results are presented in «Decadal Trends Reveal Recent Acceleration in the Rate of Recovery from Acidification in the Northeastern U.S.» in the journal Environmental Science & Technology.
The rate of release from the tundra alone is predicted to reach 1.5 billion tons of carbon per annum before 2030, contributing to accelerated climate change, perhaps resulting in sustained decadal doubling of ice loss causing collapse of the Greenland Ice Sheet (Hansen et al, 2011).
These phases, which last 30 years, giving a 60 - year cycle, must be carefully allowed for: otherwise the error made by many early models would arise: they based their predictions on the warming rate from 1976 - 2001, a period wholly within a warming phase of the Pacific Decadal Oscillation.
As can be seen, there are considerable fluctuations in the rate of SL rise: the decadal average rate fluctuates from -1 mm / year to +5 mm / year, with a 20thC average of +1.74 mm / year.
The rate of release from the tundra alone is predicted to reach 1.5 billion tons of carbon per annum before 2030, contributing to accelerated climate change, perhaps resulting in sustained decadal doubling of ice loss causing collapse of the Greenland Ice Sheet (Hansen et al, 2011).
The second chart shows that over the 20thC the SL record was marked by significant decadal oscillations in the rate of rise, varying from -1 mm / year to +5 mm / year, but no apparent acceleration over the period.
The projected rates of change are less than or equal to zero for decades from 2002 in the current cool decadal mode.
The models exhibit large variations in the rate of warming from year to year and over a decade, owing to climate variations such as ENSO, the Atlantic Multi-Decadal Oscillation and Pacific Decadal Oscillation.
-- the decadal rate of SL rise has fluctuated dramatically (from a net SL decline to a rise of 5 mm / year)-- there has been no increase in the rate of SL rise over the 20th century — the rate of SL rise was higher in the first half of the 20th century (around 2 mm / year) than in the second half (around 1.4 mm / year)-- the most recent rate of SL rise has been around 1.6 mm / year
Holgate 2007 showed decadal swings from -1 mm / year to +5 mm / year, so the present decadal rates are not at all unusual compared to the 20thC.
Concerning the derivation of my own graphical adaptations of the IPCC and Hadley Center source graphics, the process by which the slopes of historical CET trend lines were determined is readily evident from direct examination of the illustration, without any further explanation other than to clarify that all fitting of trend slopes was done by visually placing each linearized trend line onto the original HadCET source plot wherever it was appropriate in the CET record for the particular decadal rate of change being fitted: -0.1, -0.03, +.03, +0.1, +0.2, +0.3, or +0.4
Comparison with the literature shows that the CSSR draft misleads by omission in not mentioning both the strong decadal ‐ scale variability of GMSL rates during the 20th century and the fact that the most recent values of the rate are statistically indistinguishable from those during the first half of the 20th century.
The suspicious mind believes that the IPCC is now shy from making predictions / projections / estimate that involve actual temperatures because when they last did (IPCC4) they got burned with the 0.2 C decadal rate and the low end 1.8 C century rate.
From 1979 through 2014, the decadal rate of change for each is:
This record (Holgate 2007) shows that the average decadal rate of SL change has oscillated from -1 mm / year to +5 mm / year over the 20th C, with the first half of the 20th C showing a slightly higher average rate of +2.0 mm / year than the second half at +1.4 mm / year (IOW no observed acceleration in the rate of SL rise).
As I said in my comments on Roy's blog, I think the rate of change in temperature is composed of a «persistent» force from natural cycles of decadal and bidecadal (and possibly longer) length, and an «anti-persistent» tendency from random shocks to the system.
This comes from the decadal OHC rise rate as the oceans gain ~ 1e22 J per year from excess radiation.
Captdallas, the actual rate of change from 1999 thru 2013 was about 0.18 deg... basically a decadal rate of + 0.11 deg C / decade off NASA / GISS data.
What would the decadal warming rate be if you made all adjustments from the baseline, as one would insist on say, in a retail setting if one was getting multiple discounts off of a ticket price?
Different approaches have been used to compute the mean rate of 20th century global mean sea level (GMSL) rise from the available tide gauge data: computing average rates from only very long, nearly continuous records; using more numerous but shorter records and filters to separate nonlinear trends from decadal - scale quasi-periodic variability; neural network methods; computing regional sea level for specific basins then averaging; or projecting tide gauge records onto empirical orthogonal functions (EOFs) computed from modern altimetry or EOFs from ocean models.