Sentences with phrase «precipitation changes»

This does not necessarily mean the mechanisms driving precipitation changes in climate models are wrong.

The temperature and precipitation changes from the high - end models were scaled to a global mean warming of 4 °C.

Global precipitation change between 1931 - 1950 and 1961 - 1980.

Thus projections of future precipitation changes are more robust for some regions than for others.

The result is shown in the above map of annual precipitation changes.

The coloured areas indicate where precipitation changes by at least ± 10 % and temperature increases by at least 6 °C for 4 °C global warming.

They looked at the observed behavior within latitude bands in which the modeled precipitation changes were more or less of the same character.

His team also ran the models with predicted precipitation changes and arrived at similar conclusions, even though moisture levels can prompt more nuanced responses across species.

[Response: As stated in my article, precipitation changes used in the projections are taken from a high - resolution atmospheric model.

While there are many different measures of drought, many studies use precipitation changes together with temperature.

That's a consequence of not only precipitation changes, but on top of that increasing evaporation from warming temperatures.

Temperature and precipitation changes from the high - end model simulations (21 runs) were scaled to a global mean warming of 4 °C.

It provided the most likely future evolution of the global mean temperature under different socio - economic scenarios and that of other quantities like regional precipitation changes.

The new results will enable us to improve the accuracy of climate models and to better predict future precipitation changes.

The loss of a glacier does not necessarily reduce annual runoff, annual precipitation changes are the key for annual runoff changes.

These regions are defined as those where temperatures increase by at least 6 °C and precipitation changes by at least 10 per cent, for 4 °C global warming.

The areas with enhanced warming over the USA may also be caused by drier soils from reduced precipitation, although the poor model agreement in precipitation changes for this region means this conclusion is uncertain.

Model simulations of the Asian monsoon project that the sulphate aerosols» direct effect reduces the magnitude of precipitation change compared with the case of only greenhouse gas increases (Emori et al., 1999; Roeckner et al., 1999; Lal and Singh, 2001).

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.

«Now we can compare precipitation changes in various parts of Europe, Asia, and North America for the past twelve centuries.

Questions we are addressing include: How do storminess and precipitation change as atmospheric greenhouse gas concentrations increase?

«Given how important these large storms are to rainfall in the tropics, it is vital that there is a renewed effort to represent convective organisation in global climate models if we are to fully understand precipitation changes in the future.»

Van de Wal and Wild (2001) find that the effect of precipitation changes on calculated global - average glacier mass changes in the 21st century is only 5 % of the temperature effect.

When analyzing how precipitation changes with time (e.g., in the Amazon or Congo regions) it is common to explore correlations with oceanic temperature anomalies.

concept is inappropriate to predict the sign or the magnitude of the global mean precipitation changes due to both scattering and absorbing aerosols, which affect precipitation differently in summer and winter.

«Even if precipitation changes in the future are uncertain, there are good reasons to be concerned about water resources.»

So indeed there is also good reason to assume precipitation changes are what could really affect agriculture under unabated climate change — and any factor stabilising both temperature and rainfall would likely do good work maintaining the ecological status quo that also the global food supply would benefit from most.

PDRMIP investigates the role of various drivers of climate change for mean and extreme precipitation changes, based on multiple climate model output and energy budget analyses.

PDRMIP focuses on understanding how precipitation changes relating to rapid adjustments and slower responses to climate forcings are represented across models.

Across the U.S., Polson et al. (2013) find that for most of the country during all seasons, that the sign of the observed precipitation changes (since 1950) differs from the sign of the climate model projected changes (Figure 3).

Although precipitation changes are often suspected of causing many changes in river runoff, a sparse precipitation monitoring network in the Arctic, makes such linkages very difficult (Walsh et al., 2005).

ADVANCES: Meteorologists can now detect precipitation changes at a smaller scale, making it much easier to forecast flash floods, says Jonathan Gourley, a research hydrologist at the National Severe Storms Laboratory in Norman, Okla..

Tom Karl, the head of NOAA's National Climatic Data Center, also cautioned that the science of linking precipitation changes to climate change is complex.

However, the simulations indicate that the sea - ice driven precipitation changes resemble the global rainfall patterns observed during that drought, leaving the possibility that Arctic sea - ice loss could have played a role in the recent drought.

«The study shows the importance of placing recent precipitation changes in a millennium - long perspective.

It is possible to reconstruct past precipitation changes by measuring the stable hydrogen isotopic composition in terrestrial plant waxes because rainfall is the primary source of hydrogen stored in plant material.

A team of researchers has now explored precipitation changes off the coast of western Indonesia during the last 24,000 years with the aim to better understand patterns and dynamics of local precipitation.

As the authors point out, even if the whole story comes down to precipitation changes which favor ablation, the persistence of these conditions throughout the 20th century still might be an indirect effect of global warming, via the remote effect of sea surface temperature on atmospheric circulation.

This paper demonstrates there is a glimmer of hope on the horizon for new climate simulation technology to crack the difficult problem of projecting future summer precipitation changes in continental interiors.

Glacier movement is used as a measure of temperature change, but it is also about precipitation change.

Confidence in precipitation change averaged over global land areas since 1901 is low prior to 1951 and medium afterwards.

Pendergrass, A. G. and D. L. Hartmann, 2014: The Atmospheric Energy Constraint on Global - Mean Precipitation Change.

Ensembles of process - based crop models are increasingly used to simulate crop growth for scenarios of temperature and / or precipitation changes corresponding to different projections of atmospheric CO2 concentrations.