Study of relationship between foramation of hydrocarbon resources and ancient environmental change
Study of organic matter in the sediment ant its relation to environmental change
Study of relationship amaong sedimentary environment, sea level change and climate chanege
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Papers (27):
Koichi Hoyanagi. Introduction and progress of facies analysis and sequence stratigraphy based on the studies of observation of siliciclastic strata in Japan. Journal of Geoligical Society of Japan. 2021. 127. 4. 215-224
Md. Masidul Haque, Masaki Yamada, Shiori Uchiyama, Koichi Hoyanagi. Depositional setup and characteristics of the storm deposit by the 2007 Cyclone Sidr on Kuakata Coast, Bangladesh. Marine Geology. 2021. 442. 106652-106652
Md Masidul Haque and Koichi Hoyanagi. Influences of sea level on depositional environment during the last 1000years in the southwestern Bengal delta, Bangladesh. The Holocene. 2021. 36. 6. 915-925
Hoyanagi, K, Tanaka, Y, Takeuchi, T, Ikehara, M, Utsunomiya, M, Blum, P, McHugh C.M, Fulthorpe, C.S. Data report: Revised Pleistocene age model based on a modified nannofossil bioevent and additional measurements of benthic foraminiferal oxygen and stable carbon isotope ratios from Hole U1352B, offshore Canterbury Basin, New Zealand. Proc. IODP. 2018. 317
Kobayashi Yuki, Nakamura Megumi, Seki Megumi, Hoyanagi Koichi. Tide-influenced Pliocene and Pleistocene strata exposed along the Tahan-chi River, in the Taoyuan Prefecture, northeastern Taiwan Island. Journal of the Sedimentological Society of Japan. 2012. 71. 1. 2-2