• Nenhum resultado encontrado

Climate Models

Standard climate models radiation codes underestimate black carbon radiative forcing

Standard climate models radiation codes underestimate black carbon radiative forcing

... other issues related to radiative transfer codes may lead to compensation of this under- estimation, or additional underestimation. In addition, uncertainties in the abundance of BC, and in its optical properties, are ...

14

Standard climate models radiation codes underestimate black carbon radiative forcing

Standard climate models radiation codes underestimate black carbon radiative forcing

... Two-stream approximations using the Delta-M method, as employed by a majority of present climate models, are found to be relatively accurate for absorbing aerosols. The excep- tion is over areas with low ...

6

Quantitative performance metrics for stratospheric-resolving chemistry-climate models

Quantitative performance metrics for stratospheric-resolving chemistry-climate models

... ocean-atmosphere climate models, and formed a single performance index that combines the errors in simulat- ing the climatological mean values of many different variables ...

39

Regional climate models downscaling in the Alpine area with Multimodel SuperEnsemble

Regional climate models downscaling in the Alpine area with Multimodel SuperEnsemble

... carefully chosen in order to maximise the variety of leading Global Climate Models and of the RCMs themselves, calculated on the SRES scenario A1B. The reference observation for the Greater Alpine Area are ...

30

Local impact analysis of climate change on precipitation extremes: are high-resolution climate models needed for realistic simulations?

Local impact analysis of climate change on precipitation extremes: are high-resolution climate models needed for realistic simulations?

... mate models with a spatial resolution from ...the models with higher resolution provide more ac- curate precipitation ...of climate change signals for the delta change down- scaling ...CCLM ...

15

Quantitative performance metrics for stratospheric-resolving chemistry-climate models

Quantitative performance metrics for stratospheric-resolving chemistry-climate models

... atmospheric models, although not strato- spheric ...ocean-atmosphere climate models, and formed a single performance index that combines the er- rors in simulating the climatological mean values of ...

15

Lake and climate models linkage: a 3-D hydrodynamic contribution

Lake and climate models linkage: a 3-D hydrodynamic contribution

... for Climate and At- mospheric Sciences (CFCAS) project, targeted to study the feasibility to link regional climate models with lake models, one of the tasks was to consider such a coupling in ...

6

Coupling of climate models and ice sheet models by surface mass balance gradients: application to the Greenland Ice Sheet

Coupling of climate models and ice sheet models by surface mass balance gradients: application to the Greenland Ice Sheet

... whereas climate models are typically used for several decades of climate ...translate climate model fields (often available on a lower resolution than ice sheet model grids) into useful ...

18

Precipitation bias correction of very high resolution regional climate models

Precipitation bias correction of very high resolution regional climate models

... lated climate is not always fully consistent with the obser- vations, which is critical in climate change impact research (Portoghese et ...better models, there are no feasible alter- natives to bias ...

10

Failure analysis of parameter-induced simulation crashes in climate models

Failure analysis of parameter-induced simulation crashes in climate models

... We report here on a series of simulation crashes encountered while running per- turbed parameter UQ ensembles of the Community Climate System Model Version 4 (CCSM4) (Gent et al., 2011; CCSM4, 2012). Treating the ...

39

A technique for generating consistent ice sheet initial conditions for coupled ice-sheet/climate models

A technique for generating consistent ice sheet initial conditions for coupled ice-sheet/climate models

... CESM climate forcing simulates perennial snow cover and thus in-situ ice sheet growth in several initially ice-free marginal GIS regions during the transient ...this climate-dependent growth of ice, the ...

26

Tropospheric temperature response to stratospheric ozone recovery in the 21st century

Tropospheric temperature response to stratospheric ozone recovery in the 21st century

... on Climate Change Fourth Assessment Report (IPCC-AR4) models and coupled chemistry-climate models, we show that as ozone recovery is considered, the troposphere is warmed more than that ...

13

Present and LGM permafrost from climate simulations: contribution of statistical downscaling

Present and LGM permafrost from climate simulations: contribution of statistical downscaling

... observations. Climate mod- els temperature, used to derive permafrost distribution, is a global and continuous ...to climate sig- ...dynamic models, such as vegetation or soil properties (Marchenko ...

22

Evaluating NARCCAP model performance for frequencies of severe-storm environments

Evaluating NARCCAP model performance for frequencies of severe-storm environments

... for climate change investigation is the behavior of severe weather under future ...weather. Climate models can account for changing physics over time, but if they cannot capture the relevant ...

17

Investigation of climate change impact on water resources for an Alpine basin in northern Italy: implications for evapotranspiration modeling complexity.

Investigation of climate change impact on water resources for an Alpine basin in northern Italy: implications for evapotranspiration modeling complexity.

... on Climate Change (IPCC) [1], for average annual Northern Hemisphere temperatures, the period 1983–2012 was very likely the warmest 30-year period of the last 800 ...years. Climate change has significant ...

14

Rev. bras. meteorol.  vol.28 número2

Rev. bras. meteorol. vol.28 número2

... Circulation Models and Regional Climate Models (GCMs and RCMs, respectively) have shown that climate is sensitive to the physical characteristics of vegetation and soil because these ...

10

Comparison of observed data and high-resolution regional climate simulations for process based modelling

Comparison of observed data and high-resolution regional climate simulations for process based modelling

... process-based models to provide information about climate change ...these models require climate data at a time scale and timeframe that is not frequently available for the area of ...Modelled ...

5

A Streamflow forecasting framework using multiple climate and hydrological models

A Streamflow forecasting framework using multiple climate and hydrological models

... multiple climate models or multiple hydrological models for forecasting climatic or hydro- logical variables (Krishnamurti et ...ple climate and multiple hydrological models, further ...

16

The Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP): overview and description of models, simulations and climate diagnostics

The Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP): overview and description of models, simulations and climate diagnostics

... Liu, X., Easter, R. C., Ghan, S. J., Zaveri, R., Rasch, P., Shi, X., Lamarque, J.-F., Gettel- man, A., Morrison, H., Vitt, F., Conley, A., Park, S., Neale, R., Hannay, C., Ekman, A. M. L., Hess, P., Mahowald, N., ...

58

Assessing climate model software quality: a defect density analysis of three models

Assessing climate model software quality: a defect density analysis of three models

... Later on, he states that “individual metric measurements are of little use and [instead] combinations of metrics and some way of comparing their values against each other or against other populations is vital”. His ...

14

Show all 5707 documents...

temas relacionados