• Nenhum resultado encontrado

General Circulation Model

Observation of tropospheric δD by IASI over western Siberia: comparison with a general circulation model

Observation of tropospheric δD by IASI over western Siberia: comparison with a general circulation model

... isotopic general circulation model, LMDZ-iso for ...the model agree well and they reproduce well the seasonal and day-to-day variations for δD, present- ing a good correlation (r up to ...

15

Experiments on sensitivity of meridional circulation and ozone flux to parameterizations of orographic gravity waves and QBO phases in a general circulation model of the middle atmosphere

Experiments on sensitivity of meridional circulation and ozone flux to parameterizations of orographic gravity waves and QBO phases in a general circulation model of the middle atmosphere

... spheric layers, namely dynamical and thermal impacts of mesoscale orographic gravity waves (OGWs) generated by the Earth’s topography and changes from the easterly to westerly QBO phases in the lower equatorial ...

28

VOLUME AND HEAT TRANSPORTS IN THE WORLD OCEANS FROM AN OCEAN GENERAL CIRCULATION MODEL

VOLUME AND HEAT TRANSPORTS IN THE WORLD OCEANS FROM AN OCEAN GENERAL CIRCULATION MODEL

... Oceanic General Circulation Model for climatic studies needs that its dynamic and thermodynamic fields are in ...the model to reach this equilibrium is called spin-up ...Ocean Model ...

14

Vertical resolution dependence of gravity wave momentum flux simulated by an atmospheric general circulation model

Vertical resolution dependence of gravity wave momentum flux simulated by an atmospheric general circulation model

... Abstract. The dependence of the gravity wave spectra of energy and momentum flux on the horizontal resolution and time step of atmospheric general circulation models (AGCMs) has been thoroughly investigated ...

8

Initiation of a Marinoan Snowball Earth in a state-of-the-art atmosphere-ocean general circulation model

Initiation of a Marinoan Snowball Earth in a state-of-the-art atmosphere-ocean general circulation model

... found that it was between 91 and 94% for present-day surface boundary conditions. A Snowball Earth for TSI set to its Marinoan value (94% of the present-day TSI) is prevented by quadrupling carbon dioxide with respect to ...

42

The influence of volcanic eruptions on the climate of tropical South America  during the last millennium in an isotope-enabled general  circulation model

The influence of volcanic eruptions on the climate of tropical South America during the last millennium in an isotope-enabled general circulation model

... How volcanic forcing is expressed over South America re- mains an important target question for several reasons. First, recognition of the South American monsoon system (SAMS) as an actual monsoon system is less than two ...

19

Impact of a simple parameterization of convective gravity-wave drag in a stratosphere-troposphere general circulation model and its sensitivity to vertical resolution

Impact of a simple parameterization of convective gravity-wave drag in a stratosphere-troposphere general circulation model and its sensitivity to vertical resolution

... important model improvements, the use of the 41-level distribution with a ®ner tropospheric resolution is planned in the next versions of the ARPEGE-Climat ...

12

Interactive chemistry in the Laboratoire de Météorologie Dynamique general circulation model: model description and impact analysis of biogenic hydrocarbons on tropospheric chemistry

Interactive chemistry in the Laboratoire de Météorologie Dynamique general circulation model: model description and impact analysis of biogenic hydrocarbons on tropospheric chemistry

... We also attempted an estimate of the CO budget for the global troposphere and compared the results to a recently published inverse modelling study. Even though our study and the study by Bergamaschi et al. (2000) have ...

47

Simulating the mid-Pliocene climate with the MIROC general circulation model: experimental design and initial results

Simulating the mid-Pliocene climate with the MIROC general circulation model: experimental design and initial results

... and Nordic Seas where the AGCM is constrained by much warmer SST. At low latitudes, the SST changes in the AOGCM can be relatively large compared to the difference between SST prescribed for the control and mid-Pliocene ...

15

Impact of an improved radiation scheme in the MAECHAM5 General Circulation Model

Impact of an improved radiation scheme in the MAECHAM5 General Circulation Model

... the model. Although many aspects of the MAECHAM5 model are new or modified with respect to its predecessor MA-ECHAM4, the treatment of the UV-visible bands has not ...

26

Optimisation of a parallel ocean general circulation model

Optimisation of a parallel ocean general circulation model

... As stated earlier, the technique used to reduce the communication overheads of the free-surface routine complicates the code to some extent and this would be complicated further if, in its general form, it was ...

9

The Atmosphere-Ocean General Circulation Model EMAC-MPIOM

The Atmosphere-Ocean General Circulation Model EMAC-MPIOM

... ocean model; the output files now have the same format and contain the same meta infor- mation for both the atmosphere and the ocean ...global model grid is subdivided into NPX times NPY sub-domains (in ...

14

Development of the GEOS-5 atmospheric general circulation model: evolution from MERRA to MERRA2

Development of the GEOS-5 atmospheric general circulation model: evolution from MERRA to MERRA2

... estimates (Molod et al., 2012). They found substantial improvements in some key as- pects of the mean circulation in the MERRA2 version of the GEOS-5 AGCM, and also reported on existing discrepancies between the ...

43

The Finite Element Sea Ice-Ocean Model (FESOM) v.1.4: formulation of an ocean general circulation model

The Finite Element Sea Ice-Ocean Model (FESOM) v.1.4: formulation of an ocean general circulation model

... The model sensitivity study by Jayne (2009) shows that using the tidal mixing parametrization proposed by St Laurent et ...overturning circulation (MOC) in comparison with only using an ad hoc background ...

31

Mid-tropospheric δD observations from IASI/MetOp at high spatial and temporal resolution

Mid-tropospheric δD observations from IASI/MetOp at high spatial and temporal resolution

... main IASI characteristics. In Sect. 4 we describe the first retrieval results, focusing on the ability of IASI to capture the δD seasonal cycle but also rapid temporal variations at two sites (Iza ˜na 28 ◦ 18 ′ N 16 ◦ 29 ...

35

NW European shelf under climate warming: implications for open ocean – shelf exchange, primary production, and carbon absorption

NW European shelf under climate warming: implications for open ocean – shelf exchange, primary production, and carbon absorption

... To overcome the aforementioned specific problems as- sociated with both regional and global models, in this study a global ocean general circulation model (OGCM) with grad- ually increas[r] ...

26

THE BIFURCATION OF THE WESTERN BOUNDARY CURRENT SYSTEM OF THE SOUTH ATLANTIC OCEAN

THE BIFURCATION OF THE WESTERN BOUNDARY CURRENT SYSTEM OF THE SOUTH ATLANTIC OCEAN

... z-level model, the HY- COM is primarily an isopycnal model within the density range of interest, or more precisely, the HYCOM has hybrid coordinates, which include isopycnal, geopotential and ...

17

Cynara de Lourdes da Nobrega Cunha1 ; Gabriela Pacheco Corrêa1; Paulo Cesar Colonna Rosman2

Cynara de Lourdes da Nobrega Cunha1 ; Gabriela Pacheco Corrêa1; Paulo Cesar Colonna Rosman2

... hydrodynamic circulation model (2DH) and the vertically integrated water quality model for non-conservative and passive scalars to the Rio Verde reservoir in the state of Paraná, Brazil, to simulate ...

11

The Tides and Tidal Circulation of Todos os Santos Bay, Northeast Brazil: a general characterization

The Tides and Tidal Circulation of Todos os Santos Bay, Northeast Brazil: a general characterization

... Figure 9 shows a schematic model for the over- all circulation in TSB, indicating the average tidal range, average high water time lag, maximum flood and ebb current directions, relative[r] ...

17

Braz. J. Chem. Eng.  vol.19 número2

Braz. J. Chem. Eng. vol.19 número2

... It has been shown that planning/scheduling problems can be efficiently formulated as large-scale MIP models. Clearly, the complexity of these problems resides in the large number of combinatorial alternatives due to the ...

22

Show all 10000 documents...

temas relacionados