Sentences with phrase «scales of decades»

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).

In summary, the ocean methane hydrate pool has strong potential to amplify the human CO2 release from fossil fuel combustion over times scales of decades to centuries.

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).

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

«A one dimensional model of heat conduction is used to show that surface trends are attenuated as a function of depth within conductive media on time scales of decades to centuries, therefore invalidating the above assumption given practical observational constraints.

I just go to the section where they get into discussing Arctic seabed methane in more detail, and the conclusion of that section is actually: «In summary, the ocean methane hydrate pool has strong potential to amplify the human CO2 release from fossil fuel combustion over time scales of decades to centuries.»

Deep steric changes occur over time scales of decades or longer and aren't expected to explain the discrepancy over the last 5 years (Antonov 2005).

Because most environmental challenges emerge on scales of decades and centuries, population growth packs a long - term wallop.

Not great, but the carbon has to first be removed by those plants (either very short term or on a scale of decades or centuries) before burning them can put it back into the atmosphere.

If we ignore a few bumps with time scales of a decade or so, the curve is surprisingly well fit by a pure exponential.

I do think it's on the scale of decades.

Such clean energy schemes and improved agricultural and forestry practices are likely to be more economic than direct air capture of CO2, but they must be carefully designed to minimize undesirable impacts and the amount of CO2 that can be extracted on the time scale of decades will be limited, thus emphasizing the need to limit the magnitude of the cleanup task.

But on the scale of decades to a century, the dynamics of ice sheets whose disintegration would determine that outcome remain beyond clear human understanding.

Because the biggest problems in this are things that will happen on the time scale of decades or centuries, and we can't say how rapid that's going to be although it looks more and more rapid as we see what's happening around Antarctica.

Both the NAO and the AMOC have a dominant influence on regional variations over Europe on time scales of a decade [1].

Although (1) the effects of a pH change have been demonstrated in the lab, and (2) it's a longer - term change than ozone depletion, which fixes itself on a time scale of decades after freon emission is stopped.

re inline comment on 24, What I noted was that the ocean skin equilibrium referenced in RC 5 Sept 06 could be influenced by variations in ocean currents and the cryosphere to affect atmospheric temperature on the scale of decades.

Aaron Lewis @ 24 — «What I noted was that the ocean skin equilibrium referenced in RC 5 Sept 06 could be influenced by variations in ocean currents and the cryosphere to affect atmospheric temperature on the scale of decades»

It has to be close to stationary over the time scale of decades.

There is no good solution massively reducing our emissions from fossil fuels on the time scale of a decade.

Long - term natural variability has implications for the modeling of future climate changes, on the scale of decades to centuries.

There may be significant year - to - year variations, but they must even up to a large degree, and there may be large changes over thousands of years, but on the scale of decades no known process can have produced changes comparable to what we have observed at Mauna Loa.

We don't have any natural storages that allow for large releases on the time scale of decades (excluding such volcanic activity that has not been observed in actual recent history).

Therefore, the processes of accumulation and ablation are the physical link between glaciers and climate, which explains why these ice bodies are such valuable tracers of climate variability on the scale of decades and centuries.

The interaction of ocean circulation, which serves as a type of heat pump, and biological effects such as the concentration of carbon dioxide can result in global climate changes on a time scale of decades.

Although a significant factor in global climate on the scale of decades — the Pacific Ocean modes are part of a global climate system that is variable at many scales in time and space.

This is to fast to matter for climate change which happens on the scale of decades.

For however long this persists on the time scale of decades to centuries the next deeper ocean layer will be slowly warmed by the warmed up top layer.

The petition reads in part: «Studies of a variety of natural processes, including ocean cycles and solar variability, indicate that they can account for variations in the Earth's climate on the time scale of decades and centuries.

The atmosphere adjusts to the ocean on a time scale of weeks, and the ocean to the atmosphere on a time scale of decades.

connection of the sea ice loss to a massive release of methane hydrates into the atmosphere on the time scale of a decade

You've not shown anything other than the longer term predictions, along with explicit recognition that there are expected to be unpredictable short term variation, on the scale of decades.

These cycles led to a natural changeover between dry and wet phases on a scale of decades.

It is simply not true that there is an «IPCC hypothesis» that is falsified by a short term (scale of a decade or so) variation that is somewhat above or below the general trend.

Over a time scale of decades, however, a possible self - sustaining decomposition of Yedoma could occur before the end of this century (Khvorostyanov et al., 2008a, 2008b, 2008c).

The climate is determined by those factors that change global temperature on the scale of decades, and there's no evidence that El Nino or volcanism are affecting or are capable of affecting global climate on the scale of decades and longer.

The main fallacy in the climate change debate arises from the assumption that changes in Earth's climate — on a time scale of decades, centuries, tens or even hundreds of centuries — can not be caused by changes in the Sun.

Volcaneos, mass fresh water flooding events that have effected the Atlanic conveyor in the past were on the scale of decades.

From what I've read Big Bear observatory has data demonstrating that albedo is variable even on the scale of decades using a technique conceived of by DaVinci.

Not exact matches

I'm proud of all the work we did to turn around Reddit in the last three years, but I think about the impact I could have at one company versus the potential I could have investing in dozens of great, multibillion - dollar companies — and that's the way I want to scale my next decade.

The police questioning of Cho Hyun - min, a former senior president at Korean Air, comes amid mounting pressure for elite families to scale back their influence over the companies founded by their relatives decades ago.

Resistance is also fueled by the massive and often inappropriate use of antibiotics in agriculture; for decades these precious drugs have been used to promote growth and fend off costly infections that can result from the cramped conditions of industrial - scale food animal production.

They «operate on a scale and at a level of sophistication and complexity that would have been unimaginable a decade ago,» write Tom Ewing and Robin Feldman, two American academics, in a recent paper analyzing such entities.

«While the strategic rationale for launching the (low - cost carrier) unit as a defensive move against further penetration by other low - cost leisure carriers such as Sunwing Vacations, Transat and WestJet make sense, we remain skeptical of the magnitude of earnings impact until additional scale is obtained later this decade with additions to the mainline fleet.»

After more than a decade of successfully scaling our junk - removal franchise to more than 500 franchisees, my partner and I have learned that the best way to attract top talent is to treat our employees like business owners.

Messrs. Hughes and Gordon spent almost a decade performing large scale corporate outplacement for one of the largest human resources consulting firm in the country.

Those controls reduced the scale of projects from gigawatts to megawatts and development times from decades to years.

Mike is a serial entrepreneur with almost two decades of experience developing large - scale databases and predictive algorithms for digital media, financial and life sciences firms.

While it is true that small oil tankers have moved surplus oil out of Second Narrows for decades, it has never been done on this scale — or using ships that exceed the dimensions of what the Port Metro Vancouver (PMV) previously considered safe.

For turnover in FX derivatives, several things stand out (Graph 4): (i) activity has generally risen over the past decade even when scaled by a measure of cross-border transactions; (ii) developed Asian markets stand out as having a high degree of turnover; (iii) there was a particularly strong increase in turnover in these markets between 2013 and 2016; and (iv) FX derivatives turnover in emerging Asian economies has also increased significantly in the past few years, but remains a small part of the global market.