Sentences with phrase «cyclic changes in»

«Some have suggested cyclic changes in the overturning may be warming and cooling the whole North Atlantic over the course of several decades and affecting rainfall patterns across the US and Africa, and even the number of hurricanes in the Atlantic.»
So while one might speculate that some of the changes in tropical Atlantic hurricane statistics could be related to cyclic changes in climate (i.e., the AMO), it is very difficult to argue this for hurricane statistics in other ocean basins, let alone global average hurricane statistics.
«Continuous climate change — induced by cyclic changes in gravitational interactions of the Sun's energetic core with planets — has favored survival by adaptation.»
For example, a recent slowing in the rate of surface air temperature rise appears to be related to cyclic changes in the oceans and in the sun's energy output, as well as a series of small volcanic eruptions and other factors.
But matters are greatly complicated by atmospheric circulation patterns, cyclic changes in temperatures over the oceans, and the shapes of land masses.
To add insult to injury, many of the people delivering this disruptive message do not seem — at least to some geologists — to be sufficiently deferential to the extensive knowledge about the slow and cyclic changes in the geological past.
[Response: They are imposed directly as cyclic changes in the amount (and spectra) of the incoming solar radiation.
The non linear nature of forcing is related more to positive feedbacks and changes that are still being studied, such as cyclic changes in moisture content and regional dispersion, the methane cycles in the ocean or the potential of methane clathrate / hydrate release, and of course the race to feed more people on a planet which will inevitably add more nitrous oxide to the atmosphere and create more dead zones in the oceans, droughts, floods, fires, dogs and cats living together, mass hysteria....
The normal genital tract of the female California sea lion (Zalophus californianus): cyclic changes in histomorphology and hormone receptor distribution.
While Milankovitch forcing predicts that cyclic changes in the Earth's orbital parameters can be expressed in the glaciation record, additional explanations are necessary to explain which cycles are observed to be most important in the timing of glacial — interglacial periods.
In the current study, prediction analysis of gene expression data was implemented in order to identify the genes that are most useful to determine the state of cyclic changes in locomotor activity.
Massive reorganizations of the ocean - atmosphere system, the authors argue, are the key events that link cyclic changes in the earth's orbit to the advance and retreat of ice sheets

Not exact matches

The increase, observed as early as 60 seconds after the addition of corticotropin - releasing factor, suggests that changes in the intracellular concentration of the cyclic nucleotide coincide with or precede the secretion of adrenocorticotropic hormone in response to corticotropin - releasing factor.
«We hope to refine these multivariable descriptions so that we can anticipate the cyclic changes to drug susceptibility in mycobacteria, and eventually use them to shorten the long and difficult treatment course for tuberculosis.»
Two - dimensional polyacrylamide gel electrophoresis combined with chromatographic phosphoprotein pre-enrichment and electrospray ionization mass spectrometry - based protein identification was used to reveal changes of phosphoproteins in cells exposed to cyclic stretching.
In the current study, the researchers used infradian cyclic locomotor activity in the mutant mice as a proxy for mood - associated changes, and examined their molecular basis in the brain by conducting prediction analyses of the gene expression datIn the current study, the researchers used infradian cyclic locomotor activity in the mutant mice as a proxy for mood - associated changes, and examined their molecular basis in the brain by conducting prediction analyses of the gene expression datin the mutant mice as a proxy for mood - associated changes, and examined their molecular basis in the brain by conducting prediction analyses of the gene expression datin the brain by conducting prediction analyses of the gene expression data.
Additionally, body fat percentages in wild mammals typically vary by age and sex and also seasonally in a cyclic waxing and waning manner with changing availability of food sources and the photoperiod (Figure 5)(57,58).
A similar approach in the context of teacher professional development requires teacher educators to adopt a willingness to change the nature, structure, and even the assumptions of their professional development programs in response to cyclic evaluation data, ongoing participants» experiences, and participants» reflections.
Can a change (if observed) in these short - term and cyclic variations explain the existing stabilisation (or weak increasing) of CH4 atmospheric concentration?
You please look in to WMO (1966) mannual on «climate change» for the types analysis used to separate trend from cyclic variations which I did since early 1970s.
However, the assumption here is that the only cyclic signal is due to changes in the Earths orbit, but evidence (e.g. Sharma02) suggests that the sun itself may be varying in activity.
And his citing of the «WMO mannual on «climate change» for the types analysis used to separate trend from cyclic variations which I did since early 1970s» is not what he was citing it for in his December 2013 posting on Wattsupia.
I forgot to mention it, but with the age of climate change upon us and all the historic natural things that go along with it for example forest fires, cyclic dust bowls, flooding, all nature's way to replenish the trace minerals in the soils.
It is a fact that there are cyclic warming and cooling events (periodicity 1400 years plus or minus a beat timing of 500 years) in the paleo record and roughly every 8000 years to 12,000 years the cooling is abrupt and there is a larger magnitude change.
As noted above however as the earth's temperature does not widely oscillate when there are large temporary forcing changes, the explanation for cyclic abrupt climate change in the paleo record is not that the planet amplifies the forcing.
The question you address at the end is to what extent the current «pause» is a temporary cyclic phenomenon and to what extent it is a true change in the long term trend.
Well worth reading K&L's book: Cyclic Climate Changes and Fish Productivity and Frolov et al's new book on the Arctic: Climate Change in Eurasian Arctic Shelf Seas.
Even signals that are cyclic, but have distinct phase changes exhibit a large amount of interference in lower frequency bands.
It is a fact that the planet has cyclically warmed and cooled in the past and that solar magnetic cycle changes correlate with the cyclic warming and cooling of the planet.
In the SH, Neisen 2004 lists the more common frequencies he isolated, «Spectral analysis reveals centennial - scale cyclic climate changes with periods of 1220, 1070, 400, and 150 yr.»
However all of these changes may be cyclic or quasi-chaotic in nature and not mainly driven by the «forcing CO2».
The amplitude of the change is about 3.5 °C which is similar but less than the 3.9 °C cyclic variation in the atmospheric temperature.
However, this doesn't work with the AMO, which tracks the large cyclic air temperature changes in the Arctic very closely but lags them by 5 - 10 years.
These cyclic changes, brought about by the changing gravitational pull of the other planets and the Moon, introduce periods of about 19, 23, 41, and 100 thousand years in the distribution of sunlight over the globe.
There are a few things to remember about Greenland: many experts are not convinced that current changes are unusual — such changes are cyclic, and the last warm period in Greenland, 1920 - 1940 also saw a lot of melting.
These also depend upon what is built in as features of the model: Does one want cyclic behavior of some kind or to just model step changes?
In «Cyclic Climate Changes and Fish Productivity» K.B. Klashtorin and A.A. Lyubshin found spectra of ice cores and tree rings showed peaks at 25.6, 32, 32.5, 38.6, 53.9, 55.3, 60.2, and 75.8 year periods.
al. is paywalled, I can't see their references — is the prior work in this area by KLYASHTORIN and LYUBUSHIN, «CYCLIC CLIMATE CHANGES AND FISH PRODUCTIVITY», which found cycles with periods of 16.8, 25.6, 26, 32, 32.5, 38.6, 39, 53.9, 54, 55.3, 60, 60.2, 50 - 70, 72, 75.8, 76, 99, and 108 years in the climate record consistent with their results?
In the almost sure knowledge that the earth never experienced a runaway greenhouse even with ancient CO2 levels 10 to 20 times greater than today, these anti-science scoundrels insist with a «high level of confidence» that this amplification is real and it's based on nothing more than faster than expected surface temperature rise in the past few decades which can be TOTALLY explained by multi-decadal cyclic behavior in ocean currents, trade winds, and / or solar magnetic activity causing small global average albedo changeIn the almost sure knowledge that the earth never experienced a runaway greenhouse even with ancient CO2 levels 10 to 20 times greater than today, these anti-science scoundrels insist with a «high level of confidence» that this amplification is real and it's based on nothing more than faster than expected surface temperature rise in the past few decades which can be TOTALLY explained by multi-decadal cyclic behavior in ocean currents, trade winds, and / or solar magnetic activity causing small global average albedo changein the past few decades which can be TOTALLY explained by multi-decadal cyclic behavior in ocean currents, trade winds, and / or solar magnetic activity causing small global average albedo changein ocean currents, trade winds, and / or solar magnetic activity causing small global average albedo changes.
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