Division of Earth and Environmental Sciences

Home Page of Kai Laboratory


******* Kai Kenji *******

A study Dust Storms in the Taklimakan Desert

Professor Kai

Study Unit       :  Global Environmental Variation

Affiliation      :  Department of Earth and Environmental Sciences
                    Graduate School of Environmental Studies, Nagoya University

Address          :  D2-1(510) Furo-cho Chikusa-ku, Nagoya 464-8601, Japan

Research Field   :  Meteorology and Climatology, Remote Sensing (Lidar),
                    Asian Dust and Desertification

Academic Degrees :  Doctor of Science

Voice            :  052-789-4257

Office           :  Building of Graduate School of Environmetal Studies
                    (Kankyo-Sogo-Kan) No.726

E-Mail           :  Kai@info.human.nagoya-u.ac.jp

Special Doctoral Graduate Program of Sciences of Atmosphere and Hydrosphere for International Students

Project: Local Circulations and Dust Storm in the Taklimakan Desert

Research Interest

1. Lidar Observation of Asian dust over Taklimakan Desert and its long-range

2. Atmospheric Environment over Nagoya Metropolitan Area

3. Kampachi Cloud and Atmospheric Environment over Tokyo Metropolitan Area

4. Atmospheric Boundary layer, Turbulence, Spectrum, Surface Energy Balance etc.

Personal History

1952  Born in Hamada, Japan
1975  Graduated from Tokyo University of Education
1977  Graduated from Graduate School of Science, Tokyo University of Education
1981  Graduated from Graduate School of Earth Science, University of Tsukuba
Teaching and Rsearch
1981  Research Associate of Environmental Research Center, University of Tsukuba
1984  Technical Official of observation Department, Japan Meteorological Agency
1985  Chief Technical Official of Observation Department, Japan       Meteorological Agency
1986  Researcher of Observation System Research Department, Meteorological       Research Institute, Japan Meteorological Agency
1987  Senior Researcher of Meteorological Satellite and Observation System       Research Department, Meteorological Research Institute, Japan       Meteorological Agency
1989  Lecturer of Institute of Geoscience, University of Tsukuba
1998  Associate Professor of Graduate School of Human Informatics, Nagoya       University
2001-present  Professor of Graduate School of Environmental Stusies, Nagoya               University


Lidar observation of the Asian dust over the Taklimakan Desert

Observayion of the land and sea breeze in the Port of Nagoya

Atmospheric and hydrospheric field seminar in Sku-Island

Kampachi cloud over Tokyo

Academic Societies

Meteorological Society of Japan

Japanese Association for Arid Land Studies

Association of Japanese Geographers

Society of Agricultural Meteorology of

American Meteorological Society

American Geophysical Union

Teaching Courses

Graduate School  :  Global Environmental Science

                    Measurement of Global and Local Atmospheric Environments

Undergraduate    :  Human Activity and Natural Environment

Common Education :  Freshman's Seminar

Books & Publications & Papers


Kai, K., 2007: Science of Asian Dust (Kosa), Seizando-Shoten, 146p.

Kai, K., 2004F Spectra of Atmospheric Phenomena. in Hino, M. ed., Handbook of Spectral AnalysisCAsakura-ShotenCp.147-161D

Kai, K., 1998F Kampachi CloudDin Meteorological Society of Japan ed., Encyclopedia of Meteorology and Amtospheric Sciences, TCTokyo ShosekiCp.119D

yPublications Papersz

<Lidar Observation of Asian dust over Taklimakan Desert and its long-range transport>

Kai,K., Y. Nagata, N. Tsunematsu, T. Matsumura, H.-S. Kim, T. Matsumoto, Hu Shunjun, Zhou Hongfei, M. Abo, T. Nagai, 2008: The structure of the dust layer over the Taklimakan Desert during the dust storm in April 2002 as observed using a depolarization lidar, J. Meteor. Soc. Japan, 86(1),1-16.

Kim, H.S. and K. Kai, 2007: Recent dust outbreaks in the Taklimakan Desert and their relation to surface wind and the land surface condition, Scientific Online Letters on the Atmosphere (SOLA), 3, 69-72.

Tsunematsu, N., T. Sato, K. Kai, F. Kimura, Y. Kurosaki, T. Nagai, and H. Zhou, 2005: Extensive dust outbreaks following the morning inversion breakup in the Taklimakan Desert, J. Geophys. Res., 110, D21207, doi:10.1029/ 2005JD005994.

Tanaka, T.Y., Y. Kurosaki, M. Chiba, T. Matsumura, T. Nagai, A. Yamazaki, A. Uchiyama, N. Tsunematsu, K. Kai, 2005: Possible transcontinental dust transport from North Africa and the Middle East Asia, Atmospheric Environment, 39, 3901-3909.

Tsunematsu, N., K. Kai, and T. Matsumoto, 2005: The influence of synoptic-scale air flow and local circulation on the dust layer height in the north of the Taklimakan Desert, Water, Air, and Soil Pollution : Focus, 5(3-6), 175-193.

Kai, K., S. Hu, H. Zhou, T. Yasojima, B. Xu, T. Nagai, and M. Abo, 2002: Development of a new lidar for measuring the aeolian dust originated from the Taklamalan Desert: test observation at Tsukuba, Japan, J. Arid Land Studies, 11(4), 321-325.

Kai, K., Y. Okada, O. Uchino, I. Tabata, H. Nakamura, T. Takasugi, Y. Nikaidou, 1988: Lidar observation and numerical simulation of a Kosa (Asian Dust) over Tsukuba, Japan during the spring of 1986, JDMeteorDSocDJapan, 66(3), 457-472

<Features and elemental composition of the Asian dust>

Okada, K., Yu Qin, and K. Kai, 2005: Elemental composition and mixing properties of atmospheric mineral particles collected in Hohhot, China, Atmospheric Research, 73, 45-67.

Kanai, Y., A. Ohta, H. Kamioka, S. Terashima, N. Imai, M. Kanai, H. Shimizu, K. Kai, M. Hayashi, R. Zhang, and L. Sheng, 2005: Characterization of Aeolian Dust in East China and Japan from 2001 to 2003, J. Meteor. Soc. Japan, 83(A), 73-106.

Okada, K. and K. Kai, 2004: Atmospheric mineral particles collected at Qira in the Taklamakan Desert, China, Atmospheric Environment, 38, 6927-6935.

Okada, K., J. Heintzenberg, K. Kai, and Y. Qin, 2001: Shape of atmospheric mineral particles collected in three Chinese arid-regions. Geophys. Res. Lett., 28(16), 3123-3126.

Niimura, N., K. Okada, X.-B. Fan, K. Kai, K. Arao, G.-Y. Shi, and S. Takahashi, 1998: Formation of Asian dust-storm particles mixed with internally with sea salt in the atmosphere, J. Meteor. Soc. Japan, 76(2j, 275-288.

Fan, X.-B., K. Okada, N. Niimura, K. Kai, K. Arao, G.-Y. Shi, Y. Qin, and Y. Mitsuta, 1996: Mineral particles collected in China and Japan during the same Asian dust-storm event, Atmospheric Environment, 30(2), 347-351.

Okada, K. and K. Kai, 1995: Features and elemental composition of mineral particles collected in Zhangye, China, J. Meteor. Soc. Japan, 73(5), 947-957.

Niimura, N., K. Okada, X.-B. Fan, K. Kai, K. Arao, and G.-Y. Shi, 1994: A method for the identification of Asian Dust-Storm particles mixed internally with sea salt, J. Meteor. Soc. Japan, 72(5), 777-784.

<Natural environment in the arid regions of China>

Kai, K., Zhe-Cong Huang, M. Shiobara, and Y. Mitsua, 1997: Seasonal variation of aerosol optical thickness over the Zhangye Oasis in the Hexi Corridor, China, JDMeteorDSocDJapan, 75(6), 1155-1163.

Kai, K., M. Matsuda, and R. Sato, 1997: Oasis effect at Zhangye Oasis in the Hexi Corridor, China, JDMeteorDSocDJapan, 75(6), 1171-1178.

<Atmospheric Environment over Nagoya Metropolitan Area>

Tsunematsu, N. and K. Kai, 2004: Time variation of cloud distribution near surface wind convergence zone in the Nobi Plain during daytime on summer sunny days, JDMeteorDSocDJapan, 82(6), 1505-1520

<Kampachi Cloud and Atmospheric Environment over Tokyo Metropolitan Area>

Murayama, T., M. Furushima, A. Oda, N. Iwasaka, and K. Kai, 1996: Depolarization ratio measurements in the atmospheric boundary layer by lidar in Tokyo, J. Meteor. Soc. Japan, 74(4), 571-578.

<Atmospheric Boundary layer, Turbulence, Spectrum, Surface Energy Balance etc.>

Kai, K. , 1987: Spectrum climatology of the surface winds in Japan. Part II: The diurnal variation, the synoptic fluctuations, the 10-20 day fluctuations and the annual variation, J. Meteor. Soc. Japan, 65(5), 751-765.

KaiCK., 1985FSpectrum climatology of the surface winds in Japan, Part TFThe 40-60 day fluctuations. JDMeteorDSocDJapan, 63(5), 873-882.

Kai, K., 1982: The budget of turbulent energy measured at the ERC 30-m meteorological tower, JDMeteorDSocDJapan, 60(5), 1117-1131.