Academic Degree

Doctor of Science

Research Fields

Micropaleontology (Diatom), Paleoenvirontology, Marine Geology

Major Professional Backgrounds

April 2005 – August 2005:

Researcher, Graduate School of Earth and Planetary Science, Kyushu University

August 2005 – February 2007:

Researcher, Research Center for Coastal Lagoon Environment, Shimane University

March 2007 - March 2008:

Researcher, Division of Earth Environmental System, Pusan National University

March 2008 – February 2009:

Researcher, BK21 Coastal Environmental System School, Pusan National University

April 2009 – February 2011

   Postdoc Fellows, Center for Advanced Marine Core Research, Kochi University

March 2011 - February 2016

Senior Researcher, Geological Research Division, Korea Institute of Geoscience and Mineral Resource (KIGAM)

March 2016 – March 2017

 Specially-appointed Lecturer, Research Center for Coastal Lagoon Environment, Shimane University

April 2017 - September 2024

   Associate Professor (Lecturer), Estuary Research Center, Shimane University
October 2024-Present
  Associate Professor, Estuary Research Center, Shimane University

Research Interests

• Effects of short-term climate change on lagoon ecosystem
• Human impact on lagoon ecosystem and environment
• Polar ecosystem
• Historical hazard reconstruction by using diatom fossil in lagoonal sediment

Affiliated Academic Societies

1) American Geophysical Union (2002~), 2) The Oceanographic Society of Japan (2004~), 3) Japan Association for Quaternary Research (2005~), 4) Paleontological Society of Japan (2005~), 5) The Geological Society of Japan (2005~), 6) Japanese Society of Diatomology (2005~), 7) Japanese Association for Estuarine Science (2009~)

Research Keywords

Diatom, lagoon, paleoceanography, paleoenvironment, climate change

Research Results

1-1. Academic Papers(2016-)

22.  菅沼悠介・石輪健樹・川又基人・奥野淳一・香月興太・板木拓也・田邊優貴子・関宰・金田平太郎・松井浩紀・羽田裕貴・須藤斎・藤井昌和・平野大輔, 2020. 東南極における海域-陸域シームレス堆積物掘削研究の展望．地学雑誌, 129 (5), 591-610.(2020.10)

21. Takata, H., Khim B.K., Shin, S., Katsuki, K., Cheong, D., 2019. Early to middle Holocene development of the Tsushima Warm Current based on benthic and planktonic foraminifera in the Nakdong River delta (southeast Korea). Quaternary International, 519, 183-191.

20. 香月興太・瀬戸浩二・菅沼悠介・Dong Yoon Yang，2019. 湖底堆積物調査における携帯型採泥器具の種類と特徴について．地学雑誌, 128, 359–376.

19. Cho, A., Kashima, K., Seto, K., Yamada, K., Sato, T., Katsuki, K., 2019. Paleoclimate Change during the Little Ice Age from the Sediment Record in Hamana Lake. Estuarine, Coastal, and Shelf Science 223, 39-49.

18. Katsuki, K., Seto, K., Tsujimoto, A., Takata, H., Sonoda, T., 2019. Relationship between regional climate change and primary ecosystem characteristics in a lagoon undergoing anthropogenic eutrophication, Lake Mokoto, Japan. Estuarine, Coastal, and Shelf Science, 222, 205-213.

17. 菅沼悠介・香月興太・金田平太郎・川又基人・田邊優貴子・柴田大輔, 2019. 可搬型パーカッションピストンコアラーの開発. 地質学雑誌 125, 323-326.

16. Kimura, H., Nakanishi, T., Katsuki, K., Hong, W., Matsuyama, H., Takemura, K., 2019. Holocene activity of the Asamigawa fault detected from sediment cores and ground penetrating radar cross-sections in Beppu area, southwestern Japan. Quaternary International 503, 87–96.

15. Seto, K., Saito, M., Noguchi, T., Sonoda, T., Katsuki, K., 2019. Effects of inlet excavation and climate oscillation on the ecosystem of a fishery lagoon in northern Japan. Regional Studies in Marine Science, 25, 100458.

14. Cheung, C.W.R., Yasuhara, M., Mamo, B., Katsuki, K., Seto, K., Takata, H., Yang, D.Y., Nakanishi, T., Iwatani, H., 2018. Decadal-centennial scale East Asian Summer Monsoon variability over the past millennium: an oceanic perspective. Geophysical Research Letters. 45, 7711–7718.

13. Cho, A., Cheong, D., Kim, J.C., Yang, D.Y., Lee, J.Y., Kashima, K., Katsuki, K., 2018. Holocene environmental and climatic changes inferred from diatom assemblage in Hwajinpo coastal lagoon, Korea. Journal of Paleolimnology 60, 553-570.

12. 菅沼悠介・田邊優貴子・香月興太・柴田大輔・川又基人，2018．氷上からの湖底・海底堆積物掘削プロジェクトの報告（JARE-58/59）．南極資料　62, 15-42 (2018.06)

11. 香月興太・瀬戸浩二・園田武，2018．網走湖における珪藻群集の季節変化．LAGUNA (汽水域研究) 25, 11-18. (2018.07)

10. Takata, H., Shin, S., Katsuki, K., Itaki, T. Ikehara, K., Cheong, D., 2018. Mid-Holocene forcing of the Tsushima Warm Current to the coastal environments in southwestern Japan with a view to foraminiferal faunas. Quaternary International 48, 56－66. (2018.07)

9. Yang, D.Y., Han, M., Kim, J.C., Cho, Y.-K., Kim, J.Y., Yi, S., Katsuki, K., Williams, H.F.L., 2017. Shell and gravel layers caused by storm-induced rip currents during the Medieval Warm Period and Little Ice Age in South Korea. Palaeogeography, Palaeoclimatology, Palaeoecology, 487, 204–215.

8. Katsuki, K., Nakanishi, T., Lim, J., Nahm, W.-H., 2017. Holocene salinity fluctuations of the East Korean lagoon related to sea level and precipitation changes. Island Arc, 26(6), e12214.

7. Gugliotta, M., Saito, Y., Nguyen, V.L., Ta, T.K.O., Nakashima, R., Tamura, T., Uehara, K., Katsuki, K., Yamamoto, S., 2017. Process regime, salinity, morphological, and sedimentary trends along the fluvial to marine transition zone of the mixed-energy Mekong River delta, Vietnam. Continental Shelf Research, 147, 7–26.

6. Nakanishi, T., Hong, W., Sung, K. S., Nakashima, R., Nahm. W.-H., Lim, J., Katsuki, K., 2017. Offset in radiocarbon age between plant and shell pairs in Holocene sediment around the Mae-ho Lagoon on the eastern coast of Korea. Quaternary International, 447, 3–12.

5. 香月興太・倉田健悟，2017．島根県大橋川の葦に付着する珪藻種．LAGUNA (汽水域研究), 24, 1–18.

4. Katsuki, K., Yang, D.-Y., Lim, J., Lee, J.-Y., Asahi, H., Han, M., 2017. Multi-centennial-scale typhoon dynamics during the middle Holocene. Palaeogeography, Palaeoclimatology, Palaeoecology, 476, 140–146.

3. 香月興太・瀬戸浩二，2016．中海における2006年春・夏季の赤潮収束過程. LAGUNA (汽水域研究), 23, 13–22

2. Cho, A., Cheong, D., Kim, J.C., Shin, S. Park, Y.H., Katsuki, K., 2017. Delta formation in the Nakdong River, Korea, during the Holocene as inferred from the diatom assemblage. Journal of Coastal Research, 33, 67–77 doi: 10.2112/JCOASTRES-D-15-00240.1. [Corresponding Author],

1. Katsuki, K., Yang, D.Y., Seto, K., Yasuhara, M., Takata, H., Otsuka, M., Nakanishi, T., Yoon, Y., Um, I.K., Cheung, R.C.W., Khim, B.K., Kashima, K. (2016) Factors controlling typhoons and storm rain on the Korean Peninsula during the Little Ice Age. Journal of Paleolimnology 55, 35-48, DOI 10.1007/s10933-015-9861-3.

1-2. Academic Papers(Others)(2010-2015)

6. Katsuki, K., T. Itaki, B.-K. Khim, M. Uchida, and R. Tada (2014). Response of the Bering Sea to 11-year solar irradiance cycles during the Bølling-Allerød, Geophysical Research Letters 41, 2892–2898, doi:10.1002/2014GL059509.

5. 香月興太, 2012. 珪藻化石群集に基づく最終氷期極大期以降の南大洋における海氷と基礎生産力の変動史．地学雑誌121, 536-554．

4. Katsuki, K., Seto, K., Noguchi, T., Sonoda, T., Kim, J.Y., 2012. Effects of regional climate changes on the planktonic ecosystem and water environment in the frozen Notoro Lagoon, northern Japan. Marine Environmental Research 81, 83-89

3. Katsuki, K., Seto, K., Saito, M., Noguchi, T., Kim, J.Y., 2012. Paleoecological and paleoenvironmental changes in Lagoon Notoro-Ko (Japan) during the last 200 years based on diatom assemblages and sediment chemistry. Transactions Japanese Geomorphological Union 33, 197-213.

2. Katsuki, K., Ikehara, M., Yokoyama, Y., Yamane, M., Khim, B.K., 2012. Holocene migration of oceanic front systems over the Conrad Rise in the Indian Sector of the Southern Ocean. Journalof Quaternary Science 27, 203-210.

1. 香月　興太，山口　飛鳥，松崎　琢也，山本　裕二，村山　雅史，2010．小学生向け地震・津波発生装置の製作とその教育実践，地学教育 63(4), 135-147．

2. Invited Lecture, Oral Presentation(2010-)

11. Katsuki, K., Lim, J., Lee, J.Y.: Distribution of diatom remains in tidal river and its application for paleo sea-level reconstruction. American Geophysical Union Fall Meeting, Washington D.C., U.S.A., December 10–14, 2018.

10. Katsuki, K., Lim, J., Lee, J.Y.: Deposition and diffusion of diatom remains in tidal river at present and Holocene deposit. The 15th East Eurasia International Workshop, Busan, Korea, October 8–12, 2018.

9.  Katsuki, K., Seto, K., Saito, M., Sonoda, T., Takata, H., Noguchi, T.: Effects of solar activity and climate cycles on the ecosystem of fishery using lagoons in Hokkaido, Japan. 3rd Asian Association for Quaternary Research (ASQUA) Conference, Jeju, Korea, September 4-8, 2017. 招待講演

8. Katsuki, K., Yang, D.Y., Lim, J., Lee, J.Y., Nahm, W.H., Nakanishi, T., Seto, K., Otsuka, M., Kashima, K., Multi-centennial scale storm records in the lagoon sediment of East Korea during the mid-late Holocene. 2015 14th INQUA congress, Nagoya, Japan, 27 July – 2 August, 2015.

7.  Katsuki, K., Itaki, T. Harada, N., Khim, B.-K. Uchida, M. and Tada R., Response of sea-ice and primary production in the Bering Sea to solar irradiance cycles and pressure shift patterns since the last deglaciation. 2015 ESSAS (Ecosystem Studies of Sub-Arctic Seas) Annual Science Meeting, Seattle, USA, 15-17 June, 2015 [Invited Speaker]

6. Katsuki, K., Yang, D.Y., Lim, J., Nahm, W.H., Nakanishi, T., Seto, K., Otsuka, M., Kashima, K., Multi-centennial scale precipitation and following lagoon ecosystem fluctuation in the Holocene reconstructed by East Korean Lagoon sediment analysis. 2014 Fall Meeting of American Geophysical Union, San Francisco, USA, 15-19 December, 2014.

5. Katsuki, K., Lim, J.S., Nahm, W.H., Nakanishi, T., Mid-late Holocene climate and ecology reconstruction around the Lagoon Mae-ho, East Korea based on diatom assemblage. 2012 Fall Meeting of American Geophysical Union, San Francisco, USA, 3-7 December, 2012.

4. Katsuki, K., Yi, S.H., Kim, J.C., Lim, J.S., Krivonogov, S., The Holocene history and ecology of a paleolake in the Darhad Basin, Mongolia, based on diatom records. International Paleolimnology Symposium, Glasgow, United Kingdom, 21-24 August, 2012.

3. Katsuki, K., Khim, B.K., Song, B., Latest Miocene and Pliocene paleoceanographic condition in the Southern Ocean based on silicoflagellate assemblage. European Geosciences Union, Vienna, Austria, 22-27 April, 2012.

2. Katsuki, K., Seto, K., Saito, M., Noguchi, T., Sonoda, T., Kim, J.Y., Paleontological changes on Lagoon Notoro (Japan) during the last centuries based on diatom assemblages, 2011 International Symposium on Earth Science Processes, natural disasters and historical environmental changes in North-East Asia, Kanazawa, Japan, 1-3 September 2011.

1. Katsuki, K., Khim, B.K. Song, B.H., Escutia, C., Brinkhuis, H., Klaus, A., the IODP Expedition 318 Scientific party. Evolutionary trends in Antarctic silicoflagellates during the late Neogene; data from IODP Exp. 318. 11th International Symposium on Antarctic Earth Sciences, Edinburgh, Scotland, 11-15 July 2011.