Sentences with phrase «on human timescales»

Any subsequent recovery is on such a long timescale as to make the die - back effectively irreversible on human timescales of the next 1 — 2 centuries.»

Bio-related sources have a sink term, whereas fossil sources do not (at least not on human timescales).

But over the last 30 years, 1987A has shown us cosmic change on a human timescale.

Catastrophic failure of volcanic slopes is very rare on a human timescale — though far more common than the potential for a large asteroid or comet to have a damaging collision with the earth.

Postponing any meaningful mitigation action until the shit hits the fan comes with considerable risk, because many changes in climate are not reversible on human timescales.

Besides, our rate of technological advance is so great on human timescales that simply waiting will bring us closer to what can take us to Mars.

The issues on human timescales are human - made.

While weather changes fast on human timescales, climate changes fairly slowly.

But Baker suggested that the world also needs new proteins to meet new challenges that loom on the human timescale, such as the diseases of old age, dwindling energy supplies, and a warming planet.

«Our next goal is to acquire detailed information about such climate tipping points on human timescales, decades to a century,» van der Bilt says.

Solar variability on human timescales is the 9 - 14 year (nominally 11) cycle.

On extremely long timescales of hundreds of millions of years, the output of the sun has changed significantly; this is of no urgent concern on human timescales.

Scientists at Columbia University's Lamont - Doherty Earth Observatory and the University of Illinois at Urbana - Champaign have ended a nine - year debate over whether the Earth's inner core is undergoing changes that can be detected on a human timescale.

In my own coverage of worst - case climate scenarios, I've tried to focus on the human timescale: What's the worst that we might reasonably expect to transpire while we (or our children) are still alive?

Confident that the climate was self - regulating on any human timescale, scientists readily dismissed Arrhenius's peculiar speculation about global warming from fossil fuels.

But this least common multiple could be so large — centuries or even millennia — that the seasons would appear random on a human timescale.

These effects are essentially irreversible on a human timescale.

«Jump dispersal helps us remember that events that are rare on human timescales can be common over geological timescales, and that biodiversity might be structured largely by these rare chance events.»

CO2 works cumulative (apart from the seasonal fluctuation — which is essentially nature breathing in (northern hemisphere summer) and out (northern hemisphere winter)-RRB--- so more or less by definition we will not witness this graph go down — ever — not on the human timescale.

Genetic mutations build up and don't seem to cause that much change in human understanding and on the human timescale but they exactly and precisely lead to what we see and define as «punctuated equilibrium.»

The rationale for a UBI is that, on a human timescale, this process doesn't happen fast enough.

A large fraction of climate change is thus irreversible on a human timescale.»

The report says it is «very likely» that the past three decades have all been warmer than any time in the past 800 years; that we could see almost 9 °C of warming by 2300; and that «a large fraction of climate change is largely irreversible on human timescales».

The draft report says it is «very likely» that the past three decades have all been warmer than any time in the past 800 years; that we could see almost 9 °C of warming by 2300; and that «a large fraction of climate change is largely irreversible on human timescales».

This implies that while we are gathering additional information, we are also experiencing climate phenomena that are essentially irreversible on human timescales.

Her results suggest that continuing to emit carbon dioxide in the hope of being able to remove it from the atmosphere later could consign our oceans to changes that are irreversible on human timescales.