Sentences with phrase «across climate model projections»

When this model was then applied to the future, they found that in a world of continuing high greenhouse gas emissions, the threshold for widespread drought - induced vascular damage would be crossed and initiate widespread tree deaths on average across climate model projections in the 2050s.

Not exact matches

«Across - model relationships between currently observable attributes of the climate system and the simulated magnitude of future warming have the potential to inform projections.

Projections differ widely among climate models, and differences in the solar reflection by low clouds over tropical oceans account for much of the spread in climate projections across currProjections differ widely among climate models, and differences in the solar reflection by low clouds over tropical oceans account for much of the spread in climate projections across currprojections across current models.

«The NASA Earth Exchange Global Daily Downscaled Projections (NEX - GDDP) dataset is comprised of downscaled climate scenarios for the globe that are derived from the General Circulation Model (GCM) runs conducted under the Coupled Model Intercomparison Project Phase 5 (CMIP5) and across two of the four greenhouse gas emissions scenarios known as Representative Concentration Pathways (RCPs).

«Across - model relationships between currently observable attributes of the climate system and the simulated magnitude of future warming have the potential to inform projections.

However, there remains uncertainty in the rate of sea ice loss, with the models that most accurately project historical sea ice trends currently suggesting nearly ice - free conditions sometime between 2021 and 2043 (median 2035).12 Uncertainty across all models stems from a combination of large differences in projections among different climate models, natural climate variability, and uncertainty about future rates of fossil fuel emissions.

The authors drew on results from global climate models and then created projections for variables like rainfall and temperatures for seven regions across the state.

Obviously, climate models whose hindcasts differ in sign from what is observed (Zhang et al., 2007), or which indicate that human influences are indistinguishable from natural changes (Sarojini et al., 2012) possess no skill in identifying a human - induced climate signal on observed precipitation across the U.S. and therefore should not be used to make future projections.

We are beginning to sound like a broken record here, but again, it is impossible to present reliable future projections for precipitations changes across the U.S. (seasonal or annual) from a collection of climate models which largely can not even get the sign (much less the magnitude) of the observed changes correct.

In perturbed physics projections, «a single model structure is used and perturbations are made to uncertain physical parameters within that structure...» [5] That is, a perturbed physics experiment shows the variation in climate projections as model parameters are varied step-wise across their physical uncertainty.

This specialist group carries out scientific research to understand climate variability and predictability, and develops projections based on the Unified Model used across many timescales for Met Office forecasting.