Sentences with phrase «of climatic fluctuations»

This correlates well with the predominant spectra of climatic fluctuations during the last 1500 years according to ice core samples and tree growth rings.»
«Aims and Methods in Studies of Climatic Fluctuations
The solar hypothesis appears to fit the observed pattern of climatic fluctuation in much greater detail, and does not call for an imminent Ice Age.

Not exact matches

Africa's glaciers, which occur atop the world's highest tropical mountains, are among the most sensitive components of the world's frozen regions, but the climatic controls that influence their fluctuations are not fully understood.
Although some biologists have argued for the power of inbreeding, a persuasive argument of late, he says, has been that climatic events and random fluctuations in population size are far more important in the wild.
The study revealed important natural fluctuations in climate have occurred over past millennia, which would have naturally led to climatic cooling today in the absence of human activity.
For his PhD, Sil Lanckriet is studying climatic fluctuations in Ethiopia over the past centuries, as well as their impact on periods of drought and processes of soil erosion.
A new study by JCU PhD student Anna Pintor, published in the journal Ecological Monographs, is one of the first to test the Climatic Variability Hypothesis (CVH)-- which proposes that animals living in environmentally variable areas should be able to tolerate more environmental fluctuations as a result.
The new method has already been used to examine climatic records of sea surface temperature at 65,000 points around the world over a period of 28 years and provided scientists with a clear understanding of when and where temperature fluctuations occur.
Glacial climatic fluctuations caused habitat changes, including the appearance of continental ice sheets as far south as Washington State [37], that may have caused range shifts in locally adapted gray fox populations, with foxes with clade B haplotypes existing as far south as southern California.
... yields climatic conditions during past solar minima that are too cool and excessive fluctuations on timescales of several decades for Shapiro et al.'s [2011] TSI reconstruction.
but of course we'll be able to control the planet's temperature fluctuations and inconvenient excesses, and precisely guide geohistorical climatic trends over the next decades and centuries by regulating our co2 emissions.
No one knows why these fluctuations have not occurred during the current interglacial period, allowing a (possibly essential) «window» of climatic stability for the development of human civilisation.
«It is such phenomena that caused the International Council for the Exploration of the Sea to adopt the follow - ing resolution at its meeting in Denmark in 1948: «Having considered a number of lectures on climatic fluctuations, the Council recommends that these important and far - reaching problems ought to be more closely investigated, and that these investigations might be adequately sup - ported by the Governments in the different countries»
«On the other hand, herring catches off the north coast of Iceland have greatly diminished in the last seven years, possibly because of changes in the sea currents connected with the present climatic fluctuation.
Meridional circulation patterns were an important factor in the high latitudes of the North Atlantic during the early climatic fluctuation.
On the Possible Contribution of Natural Climatic Fluctuations to the Global Warming of the Last 135 Years [link]
In order to counter the abysmal knowledge of previous climatic fluctuations over the last 1000 years shown by some members of the Senate, I am looking for subscribers to fund the sending to 20 selected senators of E Roy Laduries» magisterial book «Times of Feast Times of Famine.
These fluctuations have not been explained but suggest complicated feedback mechanisms between short - term climatic variations (e.g. the ENSO) and the uptake of carbon in the biosphere.»
Prior to this period, the two curves appear not to show similar solar cycle variations, which is likely due to regional climatic effects (Usoskin et al. 2009) leading to strong fluctuations of the 10Be deposition (Pedro et al. 2006, 2011).
The climatic glacial mode may develop rapidly, but there is a lag of the order of 10,000 years in the subsequent buildup of a continental ice sheet... The recent climatic fluctuations in the area are on too short a timescale to be viewed with alarm.
LONG - TERM AND SHORT - TERM TIME SERIES OF GLOBAL CLIMATIC INDICES AND FISH STOCK The most pronounced spectral maximum of the long - term fluctuations for all «long - term» time series (excluding anchovy) varies within the interval of 54 - 58 yearOF GLOBAL CLIMATIC INDICES AND FISH STOCK The most pronounced spectral maximum of the long - term fluctuations for all «long - term» time series (excluding anchovy) varies within the interval of 54 - 58 yearof the long - term fluctuations for all «long - term» time series (excluding anchovy) varies within the interval of 54 - 58 yearof 54 - 58 years.
Eischeid, J., Bradley, R.S. and Shao, X.M., 1985: Secular climatic fluctuations in the Great Salt Lake Basin, p. 111 - 112, in: Problems of and Prospects for Predicting Great Salt Lake Levels, Kay, P. and Diaz, H. (eds.)
Moreover, application demonstrates that large - scale synthetic «climatic» fluctuations (like upward or downward trends) can emerge without any specific reason and their evolution is unpredictable, even when they are generated by this simple fully deterministic model with only two degrees of freedom.
Bradley, R.S., 1973: Seasonal climatic fluctuations on Baffin Island, N.W.T. during the period of instrumental records.
In: Proceedings of the WMO / IAMAP Symposium on Long - Term Climatic Fluctuations (WMO No. 421), Norwich, England, 215 - 222.
Bradley, R.S. and England, J., 1978: Recent climatic fluctuations of the Canadian High Arctic and their significance for glaciology.
Cooling of Earth began about 50 million years ago and, with fluctuations of varying amounts, has continued inexorably to the present interglacial climatic period.
The only mention of RCS in the Hantemirov's Thesis abstract is this sentence: To remove the age trend, a method of regional curves (Briffa et al., 1992), was used as which maintains the differences between the growth rate of trees that existed in various climatic epochs, i.e., allows to detect long - term fluctuations in wood increases, exceeding the lifetime of individual trees.
From Time Magazine, June 24, 1974:» As they review the bizarre and unpredictable weather pattern of the past several years, a growing number of scientists are beginning to suspect that many seemingly contradictory meteorological fluctuations are actually part of a global climatic upheaval.
That's Why the Cause of Global Warming is a Fundamental Concern If global warming is only part of a greater climatic fluctuation, perhaps partially influenced by human activity, then there is less need to address human - caused carbon emissions.
Of course climatic fluctuations over the vast majority of geologic time are not from human influencOf course climatic fluctuations over the vast majority of geologic time are not from human influencof geologic time are not from human influence.
Given the ephemeral nature of the biosphere, hydrosphere, and atmosphere, proxy sedimentary data provide the only information regarding past climatic and oceanographic conditions on Earth's surface, as well as the rate and magnitude of natural fluctuations.
In Proceedings of the WMO / IAMAP Symposium on Long - Term Climatic Fluctuations, Norwich, Aug. 1975 (WMO Doc.
a b c d e f g h i j k l m n o p q r s t u v w x y z