Sentences with phrase «variability over timescales»

But, they do suggest that there is a lot of natural temperature variability over timescales of centuries.

Not exact matches

Using the 2m Faulkes Telescope North, we conducted a search for stars in M13 that show variability over a year (2005 — 2006) on timescales of days and months.

Now that Mainland et al have published «The missense of smell: functional variability in the human odorant receptor repertoire» and Foote et al have published «Tracking niche variation over millennial timescales in sympatric killer whale lineages,» the similarities at the top of the aquatic and terrestrial food chains attest to the power of conserved molecular mechanisms to link cause and effect across all species via olfaction and odor receptors, which is what I detailed in the review I submitted last week.

The radiative - cloud - driven mechanism is appealing to explain the observed flux variability, especially those evolve irregularly over short timescales.

... On decadal to multidecadal timescales, the Pacific Decadal Oscillation (PDO), the Atlantic Multidecadal Oscillation, and the Atlantic tripole mode determine the variability of rainfall over India (Sen Roy et al., 2003; Lu et al., 2006; Zhang and Delworth, 2006; Li et al., 2008; Sen Roy, 2011; Krishnamurthy and Krishnamurthy, 2014a, 2014b, 2016b).

Of course, on a timescale of one decade the noise in the temperature signal from internal variability and measurement uncertainty is quite large, so this might be hard to determine, though tamino showed that five year means show a monotonic increase over recent decades, and one might not unreasonably expect this to cease for a decade in a grand solar minimum scenario.

The U.S. military seems interested in climate variations / change on timescales from seasonal to scales out to about 30 years, a period over which natural climate variability could very well swamp anthropogenically forced climate change.

Don't forget that there is natural variability in the climate, and the GW signal won't be differentiated from the noise over short timescales.

I was reacting to Chris Colose comment re: «Models all produce natural variability, many of which show temperature flatlines over decadal timescales.»

Models all produce natural variability, many of which show temperature flatlines over decadal timescales, and given the wide importance of natural variability over < 10 year time scales and uncertain forcings, one can absolutely not claim that this is inconsistent with current thinking about climate.

Some of these episodes are based on climatology (i.e., averages over decadal timescales) as previously mentioned, so they don't allow the study of interannual variability but do give strong evidence of prevailing conditions in the longer term; this is especially true of the southern hemisphere.

In this context, energy producers need to anticipate resources, their variability at seasonal timescales and their trends over decades.

Thus the core - mantle interaction is believed to dominate the variability over a wide range of timescales from years to centuries.

«We build on this insight to demonstrate directly from ice - core data that, over glacial — interglacial timescales, climate dynamics are largely driven by internal Earth system mechanisms, including a marked positive feedback effect from temperature variability on greenhouse - gas concentrations.»

Corals are a key archive for understanding variability over seasons, years, and decades, the timescales most relevant to human societies (Figure 2).

Conversely, rural people in many parts of the world have, over long timescales, adapted to climate variability, or at least learned to cope with it.

Why would YOU expect there to be a direct relationship over this timescale given the amount of other factors influencing surface temp short term variability?

Hasn't the latest Arctic research (e.g., Kobashi, et al., 2010; Rørvik, et al., 2009) shown that significant variability of high latitude temperatures on > 100 + year timescales have been the natural course of events over the last 1,000 to 1,500 years, all without benefit of increasing or decreasing levels of atmospheric CO2?

«Over relatively short, non-climate timescales (less than 20 - 30 years), these patterns of natural variability can lead to all kinds of changes in global and regional near - surface air temperature: flat, increasing, or even decreasing trends,»

I wrote to the BBC at the time pointing out that the audience was likely to have been severely misled by this question, that the warming over the previous 16 years reached a conventional threshold of statistical significance (p < 0.05), and that over a short timescale natural causes of variability (ENSO, volcanoes, the solar cycle) tend to predominate, so the short answer is «15 years is too small a sample to demonstrate statistical significance.»

Burgman, R. J., Clement, A. C., Mitas, C. M., Chen, J. and Esslinger, K. (2008), Evidence for atmospheric variability over the Pacific on decadal timescales GEOPHYSICAL RESEARCH LETTERS, VOL.

I am not aware of evidence for natural variability / oscillations that shuffle heat around having operated on the multi-century timescale over the past millennium.

When in balance, primary production and respiration processes result in large diel variability (Table 2), but are essentially CO2 - neutral; however, over longer timescales, spatial and / or temporal decoupling of these processes can change pH drastically (Borges and Gypens 2010; Provoost et al. 2010; Cai et al. 2011).

I think you're right that subtle differences will be distinguishable to some extent over longer timescales, but van Oldenborgh et al. 2013 suggests all models show too little natural spatial variability.