Sentences with phrase «time scales of»

Time scales of around a decade for effects of carbon dioxide suggest environmental changes taken today could be felt within the lifetime of most people.

Again, I am not talking about this temporal puff, I am talking about time scales of the order of characteristic circulation time of the main «CO2 pump», which is estimated as at least 1000 years.

Finds that, in the Atlantic, variability on time scales of a few years and more is strongly correlated with tropical Atlantic sea surface temperature, while in the western North Pacific, this correlation, while still present, is considerably weaker

«The Long Time Scales of Human - Caused Climate Warming: Further Challenges for the Global Policy Process.»

The time scales of the collapse of calving ice sheets depend sensitively on temperature and on the height of the cliff.

Given that the time scales of interest when talking about the deep ocean are in the range of decades to centuries, it's not a surprise and totally expected.

The modes of natural internal variability of greatest relevance are the Atlantic modes (AMO, NAO) and the Pacific models (PDO, often referred to as IPO) of multidecadal climate variability, with nominal time scales of 60 - 70 + years.

My understanding is that the major uncertainties in climate projections on time scales of more than a few decades are unlikely to be resolved in the near future.

Not all at once, of course, but since fossil fuels do not renew on the time scales of people and civilizations, we'll be using something else more and more.

The World Climate Research Programme (WCRP) has established the Polar Climate Predictability Initiative (PCPI) which contributes to the development of GIPPS on time scales of a season or beyond.

OOOH... What a great idea... Let's take an chaotic system, with variable and constant inputs, multiple non-linearities, periodic, pseudo-periodic, and aperiodic oscillations with time scales of seconds to millenia and size scales of centimeters to thousands of kilometers, all of which are coupled, and apply a linear regression on 37 years of data.

Yet the IPCC refuses to accept that the global warming (or cooling) on time scales of thirty years or more can also be caused by Mother Nature.

«They will be, on time scales of centuries or millennia,» he added.

Leif: you wrote «But all that happens on time scales of days, so is irrelevant for the climate.

But since movement of the continents occurs on time scales of millions of years, they aren't going to impact on climate change on human timescales.

Couple of things [1] «A key issue is to identify potential black swans in natural climate variation under no human influence, over time scales of one to two centuries...».

But all that happens on time scales of days, so is irrelevant for the climate.

«The big fires that are occurring in the American Southwest are extraordinary in terms of their severity, on time scales of thousands of years.

However, especially panels b and c in Figure 6 indicate that some common variability is present in the radionuclide data and the CALS3k models on time scales of 500 years and longer (e.g., minimum around 700 AD in Fig. 6b).

On time scales of thousands to hundreds of thousands of years, variations in the earth's orbit affect climate.

Because the chemistry of the ocean equilibrates with that of the atmosphere (on time scales of decades to centuries), methane oxidized to CO2 in the water column will eventually increase the atmospheric CO2 burden (Archer and Buffett, 2005).

A recent comprehensive review [7] reveals that there are still wide uncertainties about the Earth's sea - level history that are especially large for time scales of tens of millions of years or longer, which is long enough for substantial changes in the shape and volume of ocean basins.

The variable Sun is the most likely candidate for the natural forcing of past climate changes on time scales of 50 to 1000 years.

Lifetime of anthropogenic climate change: millennial time scales of potential CO2 and surface temperature perturbations.

Has anyone ever demonstrated convincingly that global temperature is bound by the central limit theorem on time scales of interest?

There's no reason that the sensitivity on time scales of tens of thousands of years (Vostok record) should be the same as the sensitivity on time scales of decades (modern record).

There are now long enough time scales of data to test for the emergence of properties like stationarity and antipersistence which are implied by the intuitive meaning of climate.

For the most extreme scenarios and for the time scales of several hundred years or longer much uncertainty remains, but much uncertainty remains also on the significance of the development after we have reached the maximum and the concentration has turned back on the lessening trend.

I am particularly interested in the role of the oceans in climate variability on time scales of years to decades.

The response time scales of different parts of the climate system are quite well known, actually.

This rapid warming of the atmosphere and the slow penetration of the warming into the ocean has implications for the time scales of climate change commitment (Section 10.7).

It seems that every new climate scenario making the media over the past 20 years they always describe a warm future on a multidecadal scale ignoring a cool future as if variability didn't exist, but isn't scientific climatology primarily concerned with longer millenia time scales of a thousand years or more?

On time scales of years to centuries, the largest changes in tides around the ice sheets are likely to be caused by changes in the extent and thickness of ice shelves.

Anthropogenic climate change on time scales of decades is arguably less important in driving vulnerability than increasing population, land use practices and ecosystem degradation.

Peter Pfleiderer, Data Analyst and Programmer A PhD researcher for the EmBARK project, focussing on questions of attributable climate change and the time scales of emergence of attributable climate signals.

It is well accepted that the neutral atmosphere and ionosphere respond collectively to both these solar influences, but the time scales of their responses are still uncertain.

This coastal melting has been operating at time scales of hundreds to thousands of years.

Yes, but that is just a matter of time scales of relaxation.

The time scales of stock turnover vary enormously between different economic sectors, but appear to be very long for most greenhouse - gas emitting sectors.

Imo local and regional models that can accurately forecast what matters to humans for policy (rainfall, temperature, storms, etc.) over time scales of a few days to one or two decades is critical.

Here we are talking time scales of hundreds of thousands of years.

Physically, C1 can be thought of as representing the concentration of CO2 in long - term stores such as the deep ocean; C1 + C2 as representing the CO2 concentration in medium - term stores such as the thermocline and the long - term soil - carbon storage; and C = C1 + C2 + C3 as the concentration of CO2 in those sinks that are also in equilibrium with the atmosphere on time scales of a year or less, including the mixed layer, the atmosphere itself and rapid - response biospheric stores.

Note also that the question of current climate change is quite another matter from that over time scales of many millions of years — despite Shaviv's remarkable press - release claims that «The operative significance of our research is that a significant reduction of the release of greenhouse gases will not significantly lower the global temperature».

Hence, we find that even dramatic perturbations of summer sea ‐ ice cover in the Arctic are reversible on very short time scales of typically two years.

These natural variations exist on time scales of several years to decades.

As the IPCC observed in its first assessment report in 1990, global climate in recent millennia «has fluctuated over a range of up to 2 degrees Celsius on time scales of centuries or more.»

Thus we certainly can't rule out that on time scales of up to decades GMAST really is dominated by ocean oscillations.

Interpretation of climate model simulations has emphasized the existence of plateaus or hiatus in the warming for time scales of up to 15 - 17 years; longer periods have not been previously anticipated, and the IPCC AR4 clearly expected a warming of 0.2 C per decade for the early part of the 21st century.

Based on local sea level records spanning the last 2000 years, there is medium confidence that fluctuations in GMSL during this interval have not exceeded ~ ± 0.25 m on time scales of a few hundred years.

Evidence of warming from ocean heat content measurements comes from a data set that is not mature and interpretation of this warming is confounded by the long time scales of circulation and heat transfer in the ocean.