Sentences with phrase «qinghai on decadal scales»

The researchers found that the rainfall predicted for East Africa on a decadal scale by models using the effects of the El Niño Southern Oscillation and the Indian Ocean Dipole did not account for as much of the rainfall fluctuations as expected for the past 34 years.
But, in contrast with the El Niño Southern Oscillation index [12], the NAO and PDO operate on decadal scales, causing extended periods of high or low population abundance [5], [7].
# 29 — the phenomenon of greenhouse gases retaining heat at the surface of the earth operates on decadal scales, and the orbital variations (Milankovitch cycles) which cause the waxing and waning of the ice ages operate on millennial scales, and both are fundamental physical processes, and are not elucidated by computer models.
Absent interest in science on the right, and bipartisanship in public science education, this ground state may continue on a decadal scale.
Risk: E.g., if SL rises on a 5 - year doubling as has been hypothesized by Hansen, et al. as possible, and reinforced by the recent SLR analysis of corals off the Texas coast where SLR rose 1.5 or more meters on decadal scales...?
«The forecast for global mean temperature which we published highlights the ability of natural variability to cause climate fluctuations on decadal scale, even on a global scale.
Thinking about this on a decadal scale, how do we repay the ocean for having cleaned up our mess?
When this reinforces the anthropogenic change, it can cause RILEs [rapid ice loss events]-- but it can also counter that change and cause brief periods of near - stability (or even small increases on a decadal scale).
But I would suppose that equilibrium climate sensitivity [background] and even global mean surface temperature on a decadal scale could be better nailed down by model pruning and better ocean data.
I don't know if there may be something to accounting for surface / ocean trends on decadal scales, but I was interested in the possibility in light of the recent «haiatus» in surface temperatures.
Although the SIO focuses on summer seasonal Outlooks, recent information on decadal scales is relevant to near - term changes.
That is precisely what I have done: Using annual sunspot number as a representative of the long term (on the decadal scale) solar magnetic field impact and small variable component of the Earth's magnetic field, as calculated from data by Jackson and Bloxam.
On a very long time scale on avarage what comes in must go out, but not on a decadal scale.
What else has a monotonic rise on a decadal scale?
Overall crop production in the US on a decadal scale has never been higher.
Variations in the Atlantic Meridional Overturning Circulation are natural, probably even on decadal scales.
All of these elements are variable on decadal scales — including ocean heat.
Exactly, but using good numbers not a «hotchpotch assembly» for which it is claimed to be global temperature (there is no such thing, there is global energy content, but that is totally different story) So calculate correlation CET - GT from 1880 using 5 year bin averaging http://www.vukcevic.talktalk.net//CETGNH.htm P.S. your statement on natural variability on decadal scale is grossly misleading, you got about 130 years of good records so you need to look at multi-decadal picture.
Temperature variations at Lake Qinghai on decadal scales and the possible relation to solar activities, Hai Xu, Xiaoyan Liu, Zhaohua Hou, 01/2008, Journal of Atmospheric and Solar - Terrestrial Physics, Volume 70, Issue 1, pp. 138 - 144
I doubt that we'll ever know enough to be able to model the climate system sufficiently to be reasonably predictive on the decadal scale and longer.
It's over 100 % anthropogenic because the imbalance is still positive on decadal scales and has been for decades.
But VTG's numbers indicate that you made that statement even when the paper you was in the process of getting published indicates that ACO2 in fact dominated climate on a decadal scale over the past 6 decades or so.»
f) Natural variability on decadal scales.
To say it is foolish to think ACO2 dominates the climate on decadal scales is more correct IMO than to think foolish on the centennial.
But VTG's numbers indicate that [Judith] made that statement even when the paper [she co-authored and] was in the process of getting published indicates that ACO2 in fact dominated climate on a decadal scale over the past 6 decades or so.»
when she first said we'd be fooling ourselves to think that ACO2 influenced dominated climate change on a decadal scale, whether her public statement would contradict the conclusions of the study she co-authored.
You say his numbers, in fact, show that ACO2 dominated climate on a decadal scale over the past 6 years.
It insists on a snail's pace of 3mm / year, and holds steady on a decadal scale (it's going down at the moment).
You can see that the natural variability on decadal scales is + / -0.1 C, and this accounts for what we see as perturbations around the background warming.
On a decadal scale, the relative contribution of the fluxes to the total global flux is stable in several regions, like Australia or tropical Asia, but increasing land sinks are noticed in Boreal and Temperate Eurasia and in Tropical South America.
The model mean is not a good thing to compare with observations that have natural variability on decadal scales.
Climate - Change Common - Sense Economic neodenialism is morally wrong on generational scales, while natural variation is prominent on decadal scales.
The question is how and why rainfall regimes change abruptly on decadal scales.
As Dana mentioned above and as Curry also concedes, current climate models struggle on the decadal scale (for reasons that I won't go into here).
The correlations improved when the time intervals were viewed on decadal scales and the data filtered accordingly.
climate impacts on decadal scale less important than population, land use and degradation (and how do you separate the four????); regions that adapt to current weather extremes and population will be better able to deal with any additional stresses from climate changes (apparently current stresses have nothing to do with climate)»
Given these and other misrepresentations of natural oceanic variability on decadal scales (e.g., Zhang and McPhaden 2006), a role for natural causes of at least some of the recent oceanic warming should not be ruled out.»
As another general comment about your line of reasoning, the fact that the ice core record does not conslusively rule out huge and erratic jumps and dips in CO2 on decadal scales is not evidence that it was going on either.
Increasing attention is being paid to IPCC misrepresentations of natural oceanic variability on decadal scales (Compo and Sardeshmukh 2009): «Several recent studies suggest that the observed SST variability may be misrepresented in the coupled models used in preparing the IPCC's Fourth Assessment Report, with substantial errors on interannual and decadal scales (e.g., Shukla et al. 2006, DelSole, 2006; Newman 2007; Newman et al. 2008).
Now the data assessed on the decadal scale shows no reason to divert from the null hypotheses that snow extent is randomly hovering about a stable mean, although we have identified some concerns with variability (In winter snow only (periods 12,01,02)-RRB- The question still remains as to whether there are shorter period trends or particular years that are unusual.

Not exact matches

«Based on what we've found, it is possible that sea - level rise over decadal time scales will be a key storyline in future climate predictions,» he said.
A study led by scientists at the GEOMAR Helmholtz Centre for Ocean Research Kiel shows that the ocean currents influence the heat exchange between ocean and atmosphere and thus can explain climate variability on decadal time scales.
While the atmosphere is mainly causing climate variations on shorter time scales, from months to years, the longer - term fluctuations, such as those on decadal time scales, are primarily determined by the ocean.
The working group on coupled biogeochemical cycling and controlling factors dealt with questions regarding the role of plankton diversity, how ocean biogeochemistry will respond to global changes on decadal to centennial time scales, the key biogeochemical links between the ocean, atmosphere, and climate, and the role of estuaries, shelves, and marginal seas in the capturing, transformation, and exchange of terrestrial and open - marine material.
The Pacific Decadal Oscillation (PDO), marked by temperature fluctuations in the northern Pacific Ocean on a scale of 40 to 60 years, also plays a role.
On decadal time scales, annual streamflow variation and precipitation are driven by large - scale patterns of climate variability, such as the Pacific Decadal Oscillation (see teleconnections description in Climate chapter)(Pederson et al. 2011a; Seager and Hoerlingdecadal time scales, annual streamflow variation and precipitation are driven by large - scale patterns of climate variability, such as the Pacific Decadal Oscillation (see teleconnections description in Climate chapter)(Pederson et al. 2011a; Seager and HoerlingDecadal Oscillation (see teleconnections description in Climate chapter)(Pederson et al. 2011a; Seager and Hoerling 2014).
New research published this week in the Journal of Climate reveals that one key measurement — large - scale upper - ocean temperature changes caused by natural cycles of the ocean — is a good indicator of regional coastal sea level changes on these decadal timescales.
On shorter time scales, and layered on top of Pacific Decadal Oscillation variation, the Pacific North American pattern and the El Niño - Southern Oscillation cycles (see Climate chapter) can also affect variation in snowpacOn shorter time scales, and layered on top of Pacific Decadal Oscillation variation, the Pacific North American pattern and the El Niño - Southern Oscillation cycles (see Climate chapter) can also affect variation in snowpacon top of Pacific Decadal Oscillation variation, the Pacific North American pattern and the El Niño - Southern Oscillation cycles (see Climate chapter) can also affect variation in snowpack.
In this study, we undertake another effort towards understanding the role of the Sun in changing or varying the Earth's climate on seasonal to decadal time scale.
The Atlantic Multidecadal Oscillation (AMO), Pacific Decadal Oscillation (PDO), North Atlantic Oscillation (NAO), and El Niño - Southern Oscillation (ENSO) have all been found to significantly influence changes in surface air temperature and rainfall (climate) on decadal and multi-decadal scales, and these natural ocean oscillations have been robustly connected to changes in solar acDecadal Oscillation (PDO), North Atlantic Oscillation (NAO), and El Niño - Southern Oscillation (ENSO) have all been found to significantly influence changes in surface air temperature and rainfall (climate) on decadal and multi-decadal scales, and these natural ocean oscillations have been robustly connected to changes in solar acdecadal and multi-decadal scales, and these natural ocean oscillations have been robustly connected to changes in solar acdecadal scales, and these natural ocean oscillations have been robustly connected to changes in solar activity.
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