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  • 1
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    Present and future of modeling global environmental change : toward integrated modeling ; a collection of contributions based on presentations at the 14th Toyota Conference, Mikkabi, Shizuoka, Japan, October 3 to 6, 2000 (2001)
    Tokyo : TERRAPUB
    Details
    Keywords: global change ; global environmental change ; climatic change ; global warming prediction ; modeling of the atmosphere and oceans ; modeling of chemistry of the atmosphere ; modeling of land hydrology including snow and ice ; modeling of ecosystem and its global change ; carbon cycle modeling ; modeling of paleoenvironmental change including ice sheet modeling ; modeling of land use/cover change due to human activities ; integrated modeling
    Description / Table of Contents: Session 1. Global Warming Prediction—Current Status and Issues --- Global Warming Projection Studies at the Meteorological Research Institute/JMA / T. Tokioka and A. Noda / pp. 1-14 --- Projections of Future Climate Change in the 21st Century Simulated by the CCSR/NIES CGCM under the IPCC SRES Scenarios / T. Nozawa, S. Emori, A. Numaguti, Y. Tsushima, T. Takemura, T. Nakajima, A. Abe-Ouchi and M. Kimoto / pp. 15-28 --- Session 2. Modeling of the Atmosphere and Oceans --- Toward a Unified Highly Resolved Regional Climate Modeling System / Y. Wang and B. Wang / pp. 29-48 --- Studies of Climate Variability Using General Circulation Models / M. Kimoto / pp. 49-62 --- Session 3. Modeling of Chemistry of the Atmosphere --- Tropospheric Ozone and Climate: Past, Present and Future / G. P. Brasseur, J.-F. Müller, X-X. Tie and L. Horowitz / pp. 63-76 --- Effects of Man-Made Air Pollution on the Climate / T. Nakajima, A. Higurashi, K. Kawamoto and T. Takemura / pp. 77-88 --- Tropospheric Chemical Transport Modeling over East Asia / I. Uno / pp. 89-100 --- Session 4. Modeling of Land Hydrology Including Snow and Ice --- Effects of Soil Moisture of the Asian Continent upon the Baiu Front / F. Kimura and T. Yoshikane / pp. 101-110 --- Macroscale Hydrology: Challenges and Opportunities / D. P. Lettenmaier / pp. 111-136 --- Linking Ground Hydrology to Ecosystems and Carbon Cycle in a Climate Model / R. E. Dickinson / pp. 137-144 --- Session 5. Modeling of Ecosystem and Its Global Change --- Carbon Storage in the U.S. Caused by Land Use Change / S. W. Pacala, G. C. Hurtt, P. R. Moorcroft and J. P. Caspersen / pp. 145-172 --- A Multi-layered Integrated Numerical Model of Surface Physics—Growing Plants Interaction, MINoSGI / T. Hara, T. Watanabe, M. Yokozawa, S. Emori, K. Takata and A. Sumida / pp. 173-186 --- Session 6. Carbon Cycle Modeling --- Modeling Carbon-Climate Interactions / I. Fung / pp. 187-194 --- Development of Coupled Ocean Physical-Biogeochemical-Ecosystem Model / Y. Yamanaka / pp. 195-206 --- Modeling Carbon Dynamics of Terrestrial Ecosystems in Monsoon Asia / T. Oikawa and A. Ito / pp. 207-220 --- Session 7. Modeling of Paleoenvironmental Change Including Ice Sheet Modeling --- Ice in the Climate System: Paleoclimatological Perspectives / W. R. Peltier and L. P. Solheim / pp. 221-242 --- Using Model Hierarchies to Better Understand Past Climate Chang / M. Kageyama / pp. 243-252 --- Abrupt Climate Change and Thermohaline Circulation / S. Manabe / pp. 253-254 --- Session 8. Modeling of Land Use/Cover Change due to Human Activities --- Backward Land-Cover Change Projections for the Sudano-Sahelian Countries of Africa with a Dynamic Simulation Model of Land-Use Change (SALU) / N. Stephenne and E. F. Lambin / pp. 255-270 --- Integrating Biophysical and Socioeconomic Factors in Modeling Impacts of Global Environmental Change / G. Fischer / pp. 271-292 --- Integration of Observational Data and Behavioral Models for Spatio-Temporal Interpolation—Application to Reconstructing Long-Term Land Use and Land Cover Changes / R. Shibasaki and S. Huang / pp. 293-310 --- Session 9. Integrated Modeling—Current Status --- Earth System Modeling—An Integrated Assessment Tool for Environmental Studies / R. A. Pielke, Sr. / pp. 311-338 --- Integrated Assessment Model of Climate Change: The AIM Approach / Y. Matsuoka, T. Morita and M. Kainuma / pp. 339-362 --- Session 10. Discussion on Strategy toward Modeling of the Integrated System / A. Sumi and T. Morita / pp. 363-372 --- Poster Session --- Effect of Cloud Condensation Nuclei on the Optical Properties of a Layer Cloud: Numerical Simulation with a Cloud-Microphysical Model / N. Kuba, H. Iwabuchi, K. Maruyama, T. Hayasaka and T. Takeda / pp. 373-374 --- Intercontinental Transport and Chemical Transformation of Ozone and Its Precursors from East Asia / O. Wild and H. Akimoto / pp. 375-382 --- Development of CCSR/NIES Nudging CTM and Ozone Simulation / H. Akiyoshi, M. Takigawa, T. Nagashima, J. Kurokawa, S. Sugata, M. Takahashi and H. Nakane / pp. 383-390 --- Modeling Surface Hydrology for Global Water Cycle Simulations / T. Oki / pp. 391-404 --- A New Frozen Soil Parameterization in Land Surface Scheme / X. Li and T. Koike / pp. 405-414 --- Individual-Based Model of a Forest with Spatial Structure and Gene Flow / A. Takenaka / pp. 415-420 --- Global Potential of Carbon Sinks under the Kyoto Protocol / Y. Yamagata and G. A. Alexandrov / pp. 421-426 --- Effect of Orography on Land and Ocean Surface Temperature / A. Kitoh / pp. 427-432 --- Regional Warming Related with Land Use Change during Past 135 Years in Japan / T. Ichinose / pp. 433-440 --- Development of Land Use Model for IPCC New Emission Scenarios (SRES) / T. Masui, Y. Matsuoka, T. Morita, M. Kainuma and K. Takahashi / pp. 441-448 --- Numerical Simulation Study Using a Climate Model Includinga Sophisticated Land Surface Model / K. Mabuchi, Y. Sato and H. Kida / pp. 449-456
    Pages: Online-Ressource (XVI, 458 Seiten)
    ISBN: 4887041276
    URL: http://www.terrapub.co.jp/e-library/toyota/
    Language: English
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  • 2
    Electronic Resource
    Electronic Resource
    A numerical experiment on the general circulation of the middle atmosphere with a three-dimensional model explicitly representing internal gravity waves and their breaking (1984)
    Springer
    Pure and applied geophysics 122 (1984), S. 731-746 
    Details
    ISSN: 1420-9136
    Keywords: Middle Atmosphere ; Internal gravity waves ; General circulation ; Mesopause
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The general circulation of the middle atmosphere is simulated by means of a three-dimensional primitive equation model which covers from the south pole to the north pole but is limited to a ten-degree sector in the latitudinal direction; cyclic conditions are imposed at the east—west lateral boundaries. The model is capable of explicitly representing internal gravity waves of zonal wavelength greater than a few hundred kilometers with the use of a one-degree mesh, but planetary-scale waves were excluded. No parameterization is employed for subgrid-scale eddy viscosity (or diffusivity). With the assumption of a simple external-heating function corresponding to solstice conditions, a time integration was performed for about thirty days from the motionless state. During the whole period, random forcings were imposed on each grid of the lowest level in order to generate small-scale upwardly propagating internal gravity waves. The experiment has shown that small-scale waves were indeed excited, propagated upward, broke up near the mesopause, and greatly changed the thermally induced zonal mean motion and temperature fields in the upper mesosphere and lower thermosphere. As a result, important features of the general circulation at those levels, such as reversals of the zonal motion and the latitudinal gradient of zonal mean temperature were reproduced.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01101878
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  • 3
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    Roles of Low- and High-Frequency Eddies in the Transitional Process of the Southern Hemisphere Annular Mode (2005)
    American Meteorological Society
    Details
    Publication Date: 2005-03-15
    Description: The effects of low- and high-frequency eddies (time scales longer and shorter than 10 days, respectively) on the transitional processes of the Southern Hemisphere “Annular Mode” are investigated, based on NCEP–NCAR daily reanalysis data for the period 1979–2001. Special attention is focused on the zonal symmetry/asymmetry and the temporal evolution of the eddy forcing. For the poleward transitional process, the effects of low-frequency eddies precede those of high-frequency eddies in driving the jet transition. Quasi-stationary Rossby waves propagating along the polar jet with wavelengths of 7000 km play an important role. The waves, originally come from the Indian Ocean through the waveguide associated with the polar jet, dissipate equatorward over the eastern Pacific Ocean. This anomalous equatorward dissipation of wave activity induces an anomalous poleward momentum flux, which is responsible for changes in the polar jet over the Pacific Ocean during the beginning stage. Following the low-frequency eddy forcing, momentum forcing anomalies due to the high-frequency eddies rapidly appear. This forcing continues to drive the polar jet poleward over the whole of longitude, while the low-frequency eddies have completed their role of inducing the anomalous poleward momentum flux during the earlier stage. For the equatorward transitional events, the roles of the low-frequency eddy forcing differ from that in the poleward ones. Anomalous equatorward momentum fluxes due to low-frequency eddies appear simultaneously with that due to high-frequency eddies. Quasi-stationary Rossby waves with wavelengths of 7000 km propagate southeastward through the waveguide over the Pacific Ocean. The convergence of their wave activity results in the deceleration of the westerlies over the higher latitudes of the Pacific Ocean. On the other hand, the high-frequency eddy forcing contributes to the equatorward jet drift longitudinally over the whole of the hemisphere.
    Print ISSN: 0894-8755
    Electronic ISSN: 1520-0442
    Topics: Geography , Geosciences , Physics
    Published by American Meteorological Society
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  • 4
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    Seasonality of Decadal Sea Surface Temperature Anomalies in the Northwestern Pacific (2006)
    American Meteorological Society
    Details
    Publication Date: 2006-06-15
    Description: The seasonality of the decadal sea surface temperature (SST) anomalies and the related physical processes in the northwestern Pacific were investigated using a three-dimensional bulk mixed layer model. In the Kuroshio–Oyashio Extension (KOE) region, the strongest decadal SST anomaly was observed during December–February, while that of the central North Pacific occurred during February–April. From an examination of the seasonal heat budget of the ocean mixed layer, it was revealed that the seasonal-scale enhancement of the decadal SST anomaly in the KOE region was controlled by horizontal Ekman temperature transport in early winter and by vertical entrainment in autumn. The temperature transport by the geostrophic current made only a slight contribution to the seasonal variation of the decadal SST anomaly, despite controlling the upper-ocean thermal conditions on decadal time scales through the slow Rossby wave adjustment to the wind stress curl. When averaging over the entire KOE region, the contribution from the net sea surface heat flux was also no longer significantly detected. By examining the horizontal distributions of the local thermal damping rate, however, it was concluded that the wintertime decadal SST anomaly in the eastern KOE region was rather damped by the net sea surface heat flux. It was due to the fact that the anomalous local thermal damping of the SST anomaly resulting from the vertical entrainment in autumn was considerably strong enough to suppress the anomalous local atmospheric thermal forcing that acted to enhance the decadal SST anomaly.
    Print ISSN: 0894-8755
    Electronic ISSN: 1520-0442
    Topics: Geography , Geosciences , Physics
    Published by American Meteorological Society
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  • 5
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    Climatic Impact of Vegetation Change in the Asian Tropical Region. Part II: Case of the Northern Hemisphere Winter and Impact on the Extratropical Circulation (2005)
    American Meteorological Society
    Details
    Publication Date: 2005-02-01
    Description: Several numerical simulations were performed, using a global climate model that includes a realistic land surface model, to investigate the impact of Asian tropical vegetation changes on the climate. The control simulation, under conditions of the actual vegetation, and three vegetation-change impact experiments were performed. The horizontal resolution of the model used in these simulations was finer than those of the models used in previous vegetation-change impact studies. In Part I, which is a companion of this paper, the results of the Northern Hemisphere summer June–July–August (JJA) case were described. In the present paper, the results of the analysis concern the Northern Hemisphere winter; that is, the December–January–February (DJF) case are discussed as Part II. It was clarified, from the results of the bare soil and C4 grass experiments, that the decrease in the roughness length, and from the results of the green-less experiment, that the decrease in the latent heat flux exert strong influences on horizontal and convective atmospheric circulations and the distribution of precipitation. Other energy and water balances at the land surface are also significantly influenced by the vegetation changes. The vegetation changes were implemented only in the Asian tropical region. There were, however, possible influences of the vegetation change on the midlatitude atmospheric circulation. It was considered that the vegetation changes from the forest type to grassland or bare soil induced modifications in the Hadley and Walker circulations. In particular, the divergence/convergence anomaly pattern that appeared at the upper-atmospheric level in the C4 grass experiment was very similar to that of an ENSO event. The height anomalies at the 500-hPa level were also similar to those found in an ENSO event. The possibility exists that the deforestation of the Asian tropical region could induce similar teleconnections as those associated with ENSO events.
    Print ISSN: 0894-8755
    Electronic ISSN: 1520-0442
    Topics: Geography , Geosciences , Physics
    Published by American Meteorological Society
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  • 6
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    Climatic Impact of Vegetation Change in the Asian Tropical Region. Part I: Case of the Northern Hemisphere Summer (2005)
    American Meteorological Society
    Details
    Publication Date: 2005-02-01
    Description: Several numerical simulations were performed, using a global climate model that includes a realistic land surface model, to investigate the impact of Asian tropical vegetation changes on the climate. The control simulation, under conditions of the actual vegetation, and three vegetation-change impact experiments were performed. The results of the impact experiments were compared with those of the control simulation. The horizontal resolution of the model used in these simulations was 1.875°, being finer than that of the models used in previous vegetation-change impact studies. As a result, it was determined that the effects of vegetation changes in the Asian tropical region had spatially different features. The morphological, physiological, and physical changes of the land surface vegetation in the Asian tropical region certainly induce statistically significant climate changes in these and the surrounding areas. That is, from the results of the bare soil and C4 grass experiments, the decrease in the roughness length, and from the results of the green-less experiment, the decrease of the latent heat flux, exert strong influences on the horizontal and convective circulations of the atmosphere. Consequently, the distribution of precipitation will undergo a change. Other energy and water balances at the land surface are also influenced by the vegetation changes, and the induced changes are generally statistically significant. The influences of vegetation changes in the Asian tropical region were more complicated than those in the Amazon. One reason for this was that the Asian tropical region is strongly influenced by the Asian monsoon circulation; another reason is that the land–sea distribution and the distribution of vegetation in the Asian tropical region are not as simple as in a tropical rain forest like the Amazon.
    Print ISSN: 0894-8755
    Electronic ISSN: 1520-0442
    Topics: Geography , Geosciences , Physics
    Published by American Meteorological Society
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  • 7
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    A numerical experiment on the general circulation of the middle atmosphere with a three-dimensional model explicitly representing internal gravity waves and their breaking (1984)
    Springer
    Details
    Publication Date: 1984-09-01
    Print ISSN: 0033-4553
    Electronic ISSN: 1420-9136
    Topics: Geosciences , Physics
    Published by Springer
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  • 8
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    The Seasonal Variation of Total Ozone Amount in Middle Latitudes (1971)
    Meteorological Society of Japan
    Details
    Publication Date: 1971-01-01
    Print ISSN: 0026-1165
    Electronic ISSN: 2186-9057
    Topics: Geosciences , Physics
    Published by Meteorological Society of Japan
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  • 9
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    A New Approach for Coupling a Limited Area Model to a GCM for Regional Climate Simulations (1991)
    Meteorological Society of Japan
    Details
    Publication Date: 1991-01-01
    Print ISSN: 0026-1165
    Electronic ISSN: 2186-9057
    Topics: Geosciences , Physics
    Published by Meteorological Society of Japan
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  • 10
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    Performance and Evaluation of the MRI Regional Climate Model with the Spectral Boundary Coupling Method (2000)
    Meteorological Society of Japan
    Details
    Publication Date: 2000-01-01
    Print ISSN: 0026-1165
    Electronic ISSN: 2186-9057
    Topics: Geosciences , Physics
    Published by Meteorological Society of Japan
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