Low (web) Quality - BALTEX
Low (web) Quality - BALTEX
Low (web) Quality - BALTEX
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
223<br />
experiment of recreating the present climate was done. In<br />
addition to this, at University of Tsukuba (Kusaka et al.,<br />
2008), a pseudo global warming experiment was done by<br />
using the result of the MIROC-HI model as the boundary<br />
and they succeeded in showing the future increase in the<br />
temperature in the Tokyo metropolitan district as shown in<br />
figure 5.<br />
(a)<br />
(b)<br />
Fig. 4: Frequency histogram of the daily total precipitation<br />
(a) and dayly mean temperature (b). Black dots: AWS<br />
observation, blue line: MRI-NHM original value, green line:<br />
Corrected the total value, red: corrected also the frequency.<br />
The value of one prefecture in Japan is displayed (Tanaka,<br />
2009, personal communication).<br />
Fig. 5: The temperature increase of August to 2070, by<br />
using TERC-RAMS model nested into the MIROC AO-<br />
GCM by using PGWM. The map is around the metropolitan<br />
area of Japan (Kusaka et al., 2008)<br />
We also apply statistical downscaling method to get the<br />
finer structure up to 1km grid, in the rural area. We try to<br />
get the projection data accurate enough to drive the impact<br />
model of both hydrology and agriculture.<br />
4. The response to the present results<br />
This is the report mainly about the comments made in the<br />
meeting for the advisory report base on remarks by those<br />
who represent various institutions. The prediction<br />
information with specific names of different places gave a<br />
strong impact to media representatives. As far as the<br />
regional climate model is concerned, assessment was<br />
conducted in each prefecture respectively and the method<br />
of evaluating warming of the climate in each prefecture<br />
was presented, to which many people took a strong<br />
interest. And when using the urban model, we were able<br />
to produce an almost pinpointing prediction result, which<br />
gave a very strong impression on many people. We think<br />
that this resulted from the method in which we presented<br />
it, but it seemed to give a good impression.<br />
Acknowledgements<br />
This work was supported by the Global Environment<br />
Research Fund (S-5-3) of the Ministry of the Environment,<br />
Japan. We are deeply grateful to all the members<br />
participating to this project.<br />
References<br />
Aoyagi, T. and N. Seino, A sensitivity study on<br />
anthropogenic heat release and building / street<br />
aspect ratio using a mesoscale model in Tokyo<br />
Metropolitan area, Japan. 89th American<br />
Meteorological Society Annual Meeting, P1.4. 2009.<br />
Dairaku, K., S. Iizuka, W. Sasaki, R. A. Pielke Sr, and A.<br />
Beltran, Assessment of dynamical downscaling in<br />
river basins in Japan using the Regional<br />
Atmospheric Modeling System (RAMS). RCM2009,<br />
2009.<br />
Hara, M., T. Yoshikane, H. Kawase, and F. Kimura,<br />
Estimation of the impact of global warming on snow<br />
depth in Japan by the pseudo-global-warming<br />
method. Hydrological Research Letters, 2, 61-64.<br />
2008.<br />
Inatsu, M., and M. Kimoto, A scale interaction study on<br />
East Asian cyclogenesis using a general circulation<br />
model with an interactively nested regional model.<br />
Mon. Wea. Rev., 2009 (revised).<br />
Kawase, H., T. Yoshikane, M, Hara, F. Kimura, T.<br />
Yasunari, B. Ailikun, H. Ueda, and T. Inoue,<br />
Assessment of future changes in the Baiu rainband<br />
using the pseudo-global warming downscaling<br />
method, J. Geophisical Letters, 2009 (submitted).<br />
Kusaka, H., S. Adachi, F. Kimura, M. Hara, and T. Hanyu,<br />
Urban climate prediction using the regional climate<br />
models (in Japanese), Annual meeting of the<br />
Association of Japanese Geographers, 2008.<br />
Murazaki K., Kazuo Kurihara, Hidetaka Sasaki, Izuru<br />
Takayabu, Takao Uchiyama. A Regional climate<br />
simulation over Japan nested with JRA-25.Third<br />
WCRP International Conference on Reanalysis, P2-<br />
22, 2008<br />
Sasaki H., K. Kurihara, I. Takayabu and T. Uchiyama,<br />
Preliminary experiments of reproducing the present<br />
climate using the non-hydrostatic regional climate<br />
model, SOLA, Vol.4, pp. 025-028, 2008<br />
Takayabu I., and N. Ishizaki. An impact of weather events<br />
on the reproducibility of local climate with<br />
MRI/JMA non-hydrostatic regional climate model,<br />
AGU fall meeting GC53A-0689, 2008.