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Associate Professor, Kazuhisa A. CHIKITA

Activity of Kazuhisa A. Chikita

Activity in hydrological societies since January 2012 or 2013:

  1. General Secretary of JSPH (Japanese Society of Physical Hydrology)
  2. Councilor of JSL (Japanese Society of Limnology)
  3. Member of the standing committee of JAHS (Japanese Association of Hydrological Sciences)
  4. Board and Delegate of Atmospheric and Hydrospheric Section, JpGU (Japanese Geosciences Union)
  5. Member of the IAHS/IUGG committee, the Science Council of Japan
  6. Representative convener of a JpGU session

Academic societies:Member of the program advisory committee for the 2014 Sapporo conference of AOGS (Asia Oceania Geosciences Society)

Research articles and textbooks (published in Jan. 2009 to Jan. 2014)

a) Research articles (all peer-reviewed)
  1. Iwanami, H., Wada,T., Sakamoto, K., Kudo, I. and Chikita, K. A. (2013): Mechanism of nutrients supply from the Tokachi River catchment considering characteristics of discharge and land use. Jour. Jpn. Assoc. Hydrol. Sci., 43, 3-24.
  2. Bertram, B, Fukuyama, R and Chikita, K A (2013) Geothermal heat flux into deep caldera lakes Shikotsu, Kuttara,
    Tazawa and Towada. Limnology, 14, 129-134
  3. Chikita, K. A. (2012):Characteristics of runoffs in subarctic river basins; a comparison between Alaska and Hokkaido. Jour. Jpn. Assoc. Hydrol. Sci., 42, 131-146
  4. Chikita, K. A., Iwasaka, W., Mamun, A. A., Ohmori, K. and Itoh, Y. (2012): The role of groundwater outflow
    in the water cycle of a coastal lagoon sporadically opening to the ocean. Journal of Hydrology, 464-465, 423-430
  5. Islam, M. T., Chikita, K. A., Wada, T. and Yamaguchi, T. (2012): Soil water behaviors and their effects on river runoffs: The Saromabetsu River basin, Hokkaido. Jour. Jpn. Assoc. Hydrol. Sci., 42, 1 - 19.
  6. Chikita, K. A., Wada, T., Kudo, I. and Kim, Y. (2012): The Intra-annual variability of discharge,
    sediment load and chemical flux from the monitoring: the Yukon River, Alaska. Journal of Water Resource and Protection, 4, 173-179.
  7. Wada, T., Chikita, K. A., Kim, Y. and Kudo, I. (2011): Glacial effects on discharge and sediment
    load in the subarctic Tanana river basin, Alaska. Arctic, Antarctic, and Alpine Research, 43, 643-648.
  8. Aihara, M., Chikita, K.A., Momoki, Y., and Mabuchi, S. (2010): A physical study on the thermal ice ridge
    in a closed deep lake:Lake Kuttara, Hokkaido, Japan. Limnology, 11, 125-132.
  9. Chikita, K. A., Kaminaga, R., Kudo, I., Wada, T., and Kim, Y. (2010): Parameters determining water
    temperature of a proglacial stream: the Phelan Creek and the Gulkana Glacier, Alaska. River
    Research and Applications, 26, 995-1004.
  10. Chikita, K. A., Kim, Y., Kudo, I., Saito, S., Wada, T. and Miyazaki, H (2009): The interactions between
    the Yukon River and Bering Sea. In ”Headwaters to the Ocean by Taniguchi et.al. (eds)”,
    Taylor & Francis Group, London, ISBN 978-0-415-47279-1, pp. 647-651..
b) Textbooks (peer-reviwed)
  1. Japanese textbooks of Geomorphology and Geosciences
  2. Japanese textbooks of Geomorphology and Geosciences
  3. Japanese dictionary of limnology
  4. Chikita, K. A. (2009): The expansion of supraglacial lakes in the Himalayas: Its history and mechanisms. In: New Permafrost and Glacier Research, Chapter 12, NOVA Scientific Publications, New York.

International scientific research in 2009 – 2014

International scientific research in 2009 – 2014
  1. Oct. 2011 – Sep. 2014: Effects of wild fires on the Yukon river fluxes (JAXA/IARC 2011-2014) (PI: S. Tsuyuzaki, Hokkaido University)
  2. June 2009 – Sep. 2010: Yukon River basin research in Alaska (JAXA/IARC 2009 & 2010) (PI: K. A. Chikita, Hokkaido University)

Ph.D.Researcher, Yoshitaka Sakata

Academic societies

Japan Association of Groundwater Hydrology, Japan Society of Hydrology and Water Resources,
The Japanese Geotechnical Society, Japanese Society of Physical Hydrology,
American Geophysical Union

Doctoral thesis

Geostatistical Reservoir Modeling of Trending Heterogeneity Focused Recharge Zone: A Case Study of Toyohira River Alluvial Fan, Sapporo, Japan

Research papers with peer review

Sakata, Y. and Ikeda, R. 2013 Regional mapping of vertical hydraulic gradient using uncertain well data: a case study of the Toyohira River alluvial fan, Japan. Journal of Water Resource and Protection, Vol. 5, No. 8: 823-834.
DOI: 10.4236/jwarp.2013.58083.

Sakata, Y. and Ikeda, R. 2013 Depth dependence and exponential models of permeability in alluvial fan gravel deposits. Hydrogeology Journal, Vol. 21: 773-786. DOI: 10.1007/s10040-013-0961-8.

Sakata, Y., and R., Ikeda. 2012 Effectiveness of a high resolution model on ground- water simulation in an alluvial fan. Geophysical Bulletin of Hokkaido University 75: 73-89.

Sakata, Y. and Ikeda, R. 2012. Quantification of longitudinal river discharge and leakage in an alluvial Fan by synoptic survey using handheld ADV. Journal of Japan Society of Hydrology and Water Resources 25, no. 2: 89-102.

Sakata, Y., Ito, K., Isozaki, S. and Ikeda, R. 2011. A distribution model of permeability derived from undisturbed gravelly samples in alluvial fan. Japanese Geotechnical Journal 6: 109-119.

Academic awards

May 2003 Best young presentation award, JAGH Autumn Conference 2012
November 2006 Outstanding paper award, 41th Japan Geotechnical Society Conference


Chief of JSHW research group 2013, “Spatial and temporal analyses of drought discharges in Hokkaido, Japan”

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