Sentences with phrase «still substantial uncertainty»

And of course there's still substantial uncertainty in climate models at the regional scale in war - prone places (again, a prime example is the set of countries along the southern fringe of the Sahara Desert, where models still clash on which areas will grow drier or wetter; see my Somalia posts.)

But there are no clean thresholds and there is still substantial uncertainty, particularly in the category given the understated name «Risks of Large Scale Discontinuities.»

Rising sea levels are certain in a warming world, but there is still substantial uncertainty about the extent of the increase in this century, mainly because the dynamics that could erode the ice sheets of Greenland and Antarctica remain poorly understood.

Because if computer models were in fact the principal basis for our concern, then you have to admit that there are still substantial uncertainties as to whether we have all the physics in there, and how accurate we have it.

Not exact matches

And even if we had more confidence in the forces behind past movements in asset values, we would still face substantial uncertainty about their future behavior.

And even if we knew what average valuations will be in the future, our estimate would still contain substantial uncertainty, because valuation is highly cyclical.

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.

While there still is quite a bit of uncertainty surrounding the effects of the PDO on Earth's climate, the U.K. Met Office says that «decadal variability in the Pacific Ocean may have played a substantial role in the recent pause in global surface temperature rise.»

Although the most advanced theoretical climate models still leave uncertainty, particularly about the sign and magnitudes of the effects, on GHG feedbacks, of some low - and high - clouds, a consensus began to develop that threats of resulting increases in global temperature — and the very large risks associated with their possible consequences — deserved substantial increase in attention.