Sentences with phrase «precipitation changes used»

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

Not exact matches

The team uses 30 years of historical precipitation and temperature data — from 1961 to 1990 — as well as eight different scenarios to project future climate changes from 2031 to 2060.

Uncertainty about rain, little uncertainty about sea level rise Climate change could also affect precipitation in California, though the two models USGS used in its research produced different results.

Starting in the 3rd year of his 5 - year degree at the University of Vigo, Ourense, in Spain, Añel spent 4 hours a week in Luis Gimeno's Group of Atmospheric and Ocean Physics at the university's Department of Applied Physics, computing climate change quantifiers using simple parameters such as precipitation and air temperature.

The Doppler radar currently used by the National Weather Service also measures the frequency change in returning waves, which provides the direction and speed at which the precipitation is moving.

People are also using it to look at precipitation and temperature changes.»

Under various climate and land - use scenarios, coniferous stands are expected to lose 71 percent to 100 percent of their current range to deciduous stands across New England by 2085, particularly in Vermont, New Hampshire and Maine, due to increased temperature and precipitation and changes in timber harvesting.

A team of scientists from Vanderbilt and Stanford universities have created the first comprehensive map of the topsy - turvy climate of the period and are using it to test and improve the global climate models that have been developed to predict how precipitation patterns will change in the future.

They also used data on precipitation in Colombia from the Intergovernmental Panel on Climate Change (IPCC) to model changes under different temperature and precipitation scenarios.

Using a model of water flow into the lake, the researchers found that 60 % of this decline was caused by climate changes, such as change in precipitation and temperature, and that the remaining 40 % of the decline could be attributed to water resources development, such as diverting water for irrigation that would otherwise flow into the lake.

The team of researchers analyzed deposits of wind - blown dust called red clay that accumulated between six million and two and a half million years ago in north central China, adjacent to the Tibetan plateau, and used them to reconstruct changing monsoon precipitation and temperature.

If small domestic withdrawals continue to characterize use in the Madison Limestone aquifer, we can expect the Madison Limestone aquifer to follow short - and long - term patterns in mountain precipitation that result from future climate change.

Other causes of childhood diarrhea are also likely to be sensitive to changes in land use and precipitation patterns.

Its change in angle takes some getting used to, and precipitation can obscure the camera's view, but it's nice to have the option, and you can still use the FDM like a regular rearview mirror if preferred.

The NWS has uses software for analysis of inconsistencies in data due to changes in station locations, vegetation and other characteristics that influence temperature and precipitation readings.

These forcings are spatially heterogeneous and include the effect of aerosols on clouds and associated precipitation [e.g., Rosenfeld et al., 2008], the influence of aerosol deposition (e.g., black carbon (soot)[Flanner et al. 2007] and reactive nitrogen [Galloway et al., 2004]-RRB-, and the role of changes in land use / land cover [e.g., Takata et al., 2009].

In the Northeast, «Communities are affected by heat waves, more extreme precipitation events, and coastal flooding due to sea level rise and storm surge,» for example, while in the Southeast and Caribbean, «Decreased water availability, exacerbated by population growth and land - use change, causes increased competition for water.

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

Proxies are used by paleoclimatologists and include ice cores, tree rings, lake sediments (varves), pollen counts, or anything that results from temperature or precipitation changes.

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

The Milwaukee Metropolitan Sewerage District has an ambitious plan to scale up green infrastructure, using green roofs, land conservation, permeable pavement and other approaches to help slow and absorb water during the extreme precipitation events that are becoming more common with climate change.

Jerry's research team has developed and uses a simulation model, the Terrestrial Ecosystem Model (TEM), to consider the impacts of various aspects of global change — climate, chemistry of the atmosphere and precipitation, land cover and land use — on the structure and function of terrestrial ecosystems across the globe.

2: Our Changing Climate, Key Message 5).2 Regional climate models (RCMs) using the same emissions scenario also project increased spring precipitation (9 % in 2041 - 2062 relative to 1979 - 2000) and decreased summer precipitation (by an average of about 8 % in 2041 - 2062 relative to 1979 - 2000) particularly in the southern portions of the Midwest.12 Increases in the frequency and intensity of extreme precipitation are projected across the entire region in both GCM and RCM simulations (Figure 18.6), and these increases are generally larger than the projected changes in average precipitation.12, 2

Precipitation extremes and their potential future changes were predicted using six - member ensembles of general circulation models (GCMs) from the Coupled Model Intercomparison Project Phase 5 (CMIP5).

For instance, Milly et al., 2003 (Open access) used computer simulations and results from the CMAP reanalysis of precipitation levels to calculate that climate - related changes in water storage on land were causing a sea - level rise of about 0.12 mm / year in the period 1981 - 1998 (although, they admitted they couldn't calculate an error bar for that estimate).

Dr Vladimir Djurdjevic, from the South East European Virtual Climate Change Center (SEEVCCC, Serbia), presented the main activities and products developed by the SEEVCCC, which include the development of a Climate Monitoring Node with monthly and daily data used to prepare monthly analyses of precipitation and temperature anomalies of the previous months, a climate monitoring specific for the region.

This analytical document shows that stable isotope ratios can be used to monitor changes in the character of precipitation in response to periodic variability or changes in climate.

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.

The Palmer Drought Severity Index, which is a measure of soil moisture using precipitation measurements and rough estimates of changes in evaporation, has shown that from 1900 to 2002, the Sahel region of Africa has been experiencing harsher drought conditions.

Also the spatial structure of changes in precipitation linked to altered surface temperature by convection can be improved by using higher resolution model experiments, although the relative gain here is generally small (Di Luca et al, 2012).

When I found that changes in observed precipitation were largest in autumn, and did not find the same patterns of precipitation in climate models outputs, I really became skeptical about the use of climate models.

The researchers used recent historical data and not climate modeling, so the study does not make any future predictions, but Swain says the findings appear to be consistent with other climate research that reveals there is little change in average precipitation, but an increase in the amount of very wet or very dry periods.

We analyze spatial patterns of precipitation globally associated with forest loss by calculating shifts in the global tropical precipitation band, the Inter-Tropical Convergence Zone (ITCZ), associated with changes in cross-equatorial atmospheric heat transport using equation 2.21 from [33].

This study has highlighted the role of internal variability of the NAO, the leading mode of atmospheric circulation variability over the Atlantic / European sector, on winter (December - March) surface air temperature (SAT) and precipitation (P) trends over the next 30 years (and the next 50 years: see Supplemental Materials) using a new 40 - member ensemble of climate change simulations with CESM1.

Another study examined the potential flood damage impacts of changes in extreme precipitation events using the Canadian Climate Centre model and the IS92a emissions scenario for the metropolitan Boston area in the north - eastern USA (Kirshen et al., 2005b).

It is a critical and highly integrated natural and economic system threatened by changing land - use patterns and a changing climate — including sea level rise, higher temperatures, and more intense precipitation events.

Boberg, F., P. Berg, P. Thejll, W. J. Gutowski, and J. H. Christensen, 2009: Improved confidence in climate change projections of precipitation evaluated using daily statistics from the PRUDENCE ensemble.

New research from an international team of atmospheric scientists published by Geophysical Research Letters investigates for the first time the possibility of using a «cocktail» of geoengineering tools to reduce changes in both temperature and precipitation caused by atmospheric greenhouse gases.

The team used changes in dust levels and stable water isotopes in the annual ice layers of the two - mile - long Greenland ice core, which was hauled from the massive ice sheet between 1998 to 2004, to chart past temperature and precipitation swings.

Regional Climate Models projections are used to provide projections of changes in temperature, precipitation, and indices of extremes.

Their work involved using a hydrologic model that included a simple representation of glaciers, run by statistically - downscaled output from global climate models, in order to come up with projected changes to evaporation, precipitation, runoff, snow, soil moisture and temperature in the Canadian portion of the Columbia River Basin.

Climate scenarios have been constructed using both absolute and relative changes for precipitation.

A week after the event the climateprediction.net team, together with the World Weather Attribution team, provided an initial assessment of the influence of anthropogenic climate change on the likelihood of one - day precipitation events averaged over an area encompassing northern England and southern Scotland using data and methods available immediately after the event occurred.

[SEPP Comment: Can growth rings in certain tropical trees be used to estimate changes in precipitation?]

In comparison, the researchers say that a number of the global models used in previous studies of future climate change predict too frequent precipitation that often falls too early in the day.

To reach their conclusions, the researchers analyzed nearly 30 years of observational temperature and precipitation data and also used computer model simulations that considered soil, atmospheric, and oceanic conditions and projected changes in greenhouse gases.

This report discusses our current understanding of the mechanisms that link declines in Arctic sea ice cover, loss of high - latitude snow cover, changes in Arctic - region energy fluxes, atmospheric circulation patterns, and the occurrence of extreme weather events; possible implications of more severe loss of summer Arctic sea ice upon weather patterns at lower latitudes; major gaps in our understanding, and observational and / or modeling efforts that are needed to fill those gaps; and current opportunities and limitations for using Arctic sea ice predictions to assess the risk of temperature / precipitation anomalies and extreme weather events over northern continents.

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.

Radic and colleague Regine Hock of the University of Alaska used temperature and precipitation projections from 10 global climate models used by the Intergovernmental Panel on Climate Change (IPCC) for their research.

For example, projected changes in temperature or precipitation and the likely impact on at - risk values may be better described using analogies to more familiar risks (though more research in evaluating the effectiveness of analogies as climate communication tools is needed; e.g. (Raimi et al 2017)-RRB-.