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YOSHIDA KOHKI

Academic OrganizationAcademic Assembly School of Science and Technology Institute of ScienceTEL
Education and Research OrganizationInterdisciplinary Cluster for Cutting Edge Research Institute of Mountain ScienceFAX
PositionProfessorMail Addresskxyoshid@shinshu-u.ac.jp
AddressAsahi 3-1-1, Matsumoto, 390-8621, JapanWeb site

Modified:08/20/2019

Profile

Assigned Class
Faculty of Science Department of Science
Interdisciplinary Graduate School of Science and Technology
Research Field
Geology, Stratigraphy, Sedimentology, Sedimentary Petrology
Current Subject
Paleozoic and Mesozoic Terranes in Japanese Island

Compositional change of clastic sediments

Climate change and sediment formation

Academic Background
Graduate School
Hokkaido University , (Graduate School, Division of Natural Science) , 1994
Hokkaido University , (Graduate School, Division of Natural Science) , 1990

College
Hokkaido University , (Faculty of Science) , 1988

Degree
Doctor of Science
Research Career
Research Career
2006- , Associate Professor (Shinshu University)
2002- , Associate Professor (Shinshu University)
1998-2002 , Assistant Professor (Shinshu University)
1997-1998 , J.S.P.S Fellow (Kobe University)
1996-1997 , Lecturer (Hokkaido Univ.)

Research

Books, Articles, etc.
Articles
Intense chemical weathering in southwest Japan during the Pliocene warm period
Journal of Asian Earth Sciences (in press) 2019(Aug. 09)
Author:Hatano N., Yoshida,K. and Sasao, E.


Effects of grain size on the chemical weathering index: A case study of Neogene fluvial sediments in Southwest Japan
Sedimentary Geology,386:1-8 2019(Mar. 15)
Author:Hatano, N., Yoshida, K., Sasao, E.


Data report: grain size analysis of Bengal Fan sediments at Sites U1450 and U1451, IODP Expedition 354
Proceedings of the International Ocean Discovery Program Volume 354 2018(Oct. 17)
Author:Swostik Kumar Adhikari, Tetsuya Sakai, and Kohki Yoshida


Sedimentary environment and paleosols of middle Miocene fluvial and lacustrine sediments in central Japan: Implications for paleoclimate interpretations
Sedimentary Geology,347:117-129 2017(Jan. 01)
Author:Nozomi Hatano, Kohki Yoshida


Site U1451
Proceedings of the International Ocean Discovery Program, 354 2016(Sep. 07)
Author:France-Lanord, C., Spiess, V., Klaus, A., Schwenk, T., Adhikari, R. R., Adhikari, S. K., Bahk, J. -J., Baxter, A. T., Cruz, J. W., Das, S. K., Dekens, P., Duleba, W., Fox, L. R., Galy, A., Galy, V., Ge, J., Gleason, J. D., Gyawali, B. R., Huyghe, P., Jia, G., Lantzsch, H., Manoj, M. C., Martos Martin, Y., Meynadier, L., Najman, Y. M. R., Nakajima, A., Ponton, C., Reilly, B. T., Rogers, K. G., Savian, J. F., Selkin, P. A., Weber, M. E., Williams, T. and Yoshida, K.


Site U1450
Proceedings of the International Ocean Discovery Program, 354 2016(Sep. 07)
Author:France-Lanord, C., Spiess, V., Klaus, A., Schwenk, T., Adhikari, R. R., Adhikari, S. K., Bahk, J. -J., Baxter, A. T., Cruz, J. W., Das, S. K., Dekens, P., Duleba, W., Fox, L. R., Galy, A., Galy, V., Ge, J., Gleason, J. D., Gyawali, B. R., Huyghe, P., Jia, G., Lantzsch, H., Manoj, M. C., Martos Martin, Y., Meynadier, L., Najman, Y. M. R., Nakajima, A., Ponton, C., Reilly, B. T., Rogers, K. G., Savian, J. F., Selkin, P. A., Weber, M. E., Williams, T. and Yoshida, K.


Expedition 354 summary
Proceedings of the International Ocean Discovery Program, 354 2016(Sep. 07)
Author:France-Lanord, C., Spiess, V., Klaus, A., Schwenk, T., Adhikari, R. R., Adhikari, S. K., Bahk, J. -J., Baxter, A. T., Cruz, J. W., Das, S. K., Dekens, P., Duleba, W., Fox, L. R., Galy, A., Galy, V., Ge, J., Gleason, J. D., Gyawali, B. R., Huyghe, P., Jia, G., Lantzsch, H., Manoj, M. C., Martos Martin, Y., Meynadier, L., Najman, Y. M. R., Nakajima, A., Ponton, C., Reilly, B. T., Rogers, K. G., Savian, J. F., Selkin, P. A., Weber, M. E., Williams, T. and Yoshida, K.


Expedition 354 methods
Proceedings of the International Ocean Discovery Program, 354 2016(Sep. 07)
Author:France-Lanord, C., Spiess, V., Klaus, A., Schwenk, T., Adhikari, R. R., Adhikari, S. K., Bahk, J. -J., Baxter, A. T., Cruz, J. W., Das, S. K., Dekens, P., Duleba, W., Fox, L. R., Galy, A., Galy, V., Ge, J., Gleason, J. D., Gyawali, B. R., Huyghe, P., Jia, G., Lantzsch, H., Manoj, M. C., Martos Martin, Y., Meynadier, L., Najman, Y. M. R., Nakajima, A., Ponton, C., Reilly, B. T., Rogers, K. G., Savian, J. F., Selkin, P. A., Weber, M. E., Williams, T. and Yoshida, K.


Site U1455
Proceedings of the International Ocean Discovery Program, 354 2016(Sep.)
Author:France-Lanord, C., Spiess, V., Klaus, A., Schwenk, T., Adhikari, R. R., Adhikari, S. K., Bahk, J. -J., Baxter, A. T., Cruz, J. W., Das, S. K., Dekens, P., Duleba, W., Fox, L. R., Galy, A., Galy, V., Ge, J., Gleason, J. D., Gyawali, B. R., Huyghe, P., Jia, G., Lantzsch, H., Manoj, M. C., Martos Martin, Y., Meynadier, L., Najman, Y. M. R., Nakajima, A., Ponton, C., Reilly, B. T., Rogers, K. G., Savian, J. F., Selkin, P. A., Weber, M. E., Williams, T. and Yoshida, K.


Site U1454
Proceedings of the International Ocean Discovery Program, 354 2016(Sep.)
Author:France-Lanord, C., Spiess, V., Klaus, A., Schwenk, T., Adhikari, R. R., Adhikari, S. K., Bahk, J. -J., Baxter, A. T., Cruz, J. W., Das, S. K., Dekens, P., Duleba, W., Fox, L. R., Galy, A., Galy, V., Ge, J., Gleason, J. D., Gyawali, B. R., Huyghe, P., Jia, G., Lantzsch, H., Manoj, M. C., Martos Martin, Y., Meynadier, L., Najman, Y. M. R., Nakajima, A., Ponton, C., Reilly, B. T., Rogers, K. G., Savian, J. F., Selkin, P. A., Weber, M. E., Williams, T. and Yoshida, K.


Site U1453
Proceedings of the International Ocean Discovery Program, 354 2016(Sep.)
Author:France-Lanord, C., Spiess, V., Klaus, A., Schwenk, T., Adhikari, R. R., Adhikari, S. K., Bahk, J. -J., Baxter, A. T., Cruz, J. W., Das, S. K., Dekens, P., Duleba, W., Fox, L. R., Galy, A., Galy, V., Ge, J., Gleason, J. D., Gyawali, B. R., Huyghe, P., Jia, G., Lantzsch, H., Manoj, M. C., Martos Martin, Y., Meynadier, L., Najman, Y. M. R., Nakajima, A., Ponton, C., Reilly, B. T., Rogers, K. G., Savian, J. F., Selkin, P. A., Weber, M. E., Williams, T. and Yoshida, K.


Site U1452
Proceedings of the International Ocean Discovery Program, 354 2016(Sep.)
Author:France-Lanord, C., Spiess, V., Klaus, A., Schwenk, T., Adhikari, R. R., Adhikari, S. K., Bahk, J. -J., Baxter, A. T., Cruz, J. W., Das, S. K., Dekens, P., Duleba, W., Fox, L. R., Galy, A., Galy, V., Ge, J., Gleason, J. D., Gyawali, B. R., Huyghe, P., Jia, G., Lantzsch, H., Manoj, M. C., Martos Martin, Y., Meynadier, L., Najman, Y. M. R., Nakajima, A., Ponton, C., Reilly, B. T., Rogers, K. G., Savian, J. F., Selkin, P. A., Weber, M. E., Williams, T. and Yoshida, K.


Site U1449
Proceedings of the International Ocean Discovery Program Volume 354 2016(Sep.)
Author:France-Lanord, C., Spiess, V., Klaus, A., Schwenk, T., Adhikari, R. R., Adhikari, S. K., Bahk, J. -J., Baxter, A. T., Cruz, J. W., Das, S. K., Dekens, P., Duleba, W., Fox, L. R., Galy, A., Galy, V., Ge, J., Gleason, J. D., Gyawali, B. R., Huyghe, P., Jia, G., Lantzsch, H., Manoj, M. C., Martos Martin, Y., Meynadier, L., Najman, Y. M. R., Nakajima, A., Ponton, C., Reilly, B. T., Rogers, K. G., Savian, J. F., Selkin, P. A., Weber, M. E., Williams, T. and Yoshida, K.


Development of Taprang landslide, West Nepal
Landslides 2016(Jan. 16)
Author:Amar Deep Regmi, Kohki Yoshida, I Peng Cui, Nozomi Hatano


The International Ocean Discovery Program 354 Preliminary Report, Bengal Fan: Neogene and late Paleogene record of Himalayan orogeny and climate: a transect across the Middle Bengal Fan
International Ocean Discovery Program Preliminary Report 2015(May 21)
Author:France-Lanord, C., Spiess, V., Klaus, A., and the Expedition 354 Scientists


Landslide susceptibility mapping along Bhalubang-Shiwapur area of Mid-Western Nepal using frequency ratio and conditional probability models.
Journal of Mountain Science,11(5):1266-1285 2014(Sep. 18)
Author:Amar Deep Regmi, Kohki Yoshida, Hamid Reza Pourghasemi, Megh Raj Dhital and Biswajeet Pradhan


Tectonic constraints to Cretaceous magmatic arc deduced from detrital heavy minerals in northeastern Japan - evidence from detrital garnets, tourmalines and chromian spinels
Cretaceous Research,48:39-53 2014(Jan.)
Author:Mayuko Nishio, Kohki Yoshida


Continental weathering in the Early Triassic in Himalayan Tethys, central Nepal: Implications for abrupt environmental change on the northern margin of Gondwanaland
Jour. Asian Earth Science,79PA:288-301 2014(Jan.)
Author:Kohki Yoshida, Toshio Kawamura, Shigeyuki Suzuki, Amar Deep Regmi, Babu Ram Gyawali, Yuka Shiga, Yoshiko Adachi and Raj Megh Dhital,


Rock toppling assessment atMugling–Narayanghat road section: ‘A case study from Mauri Khola landslide’, Nepal
CATENA,114:67-77 2014
Author:Amar Deep Regmi, Kohki Yoshida, Hidehisa Nagata, Biswajeet Pradhan


Weathering and mineralogical variation in gneissic rocks and their effect in Sangrumba Landslide, East Nepal
Environ Earth Sci,xx:DOI 10.1007/s12665-013-2649-8 2013(Jun. 27)
Author:Amar Deep Regmi • Kohki Yoshida • Megh Raj Dhital • Biswajeet Pradhan


Application of frequency ratio, statistical index, and weights-of-evidence models and their comparison in landslide susceptibility mapping in Central Nepal Himalaya.
Arab. J. Geosci.,7(2):725–742 2013(Jan. 05)
Author:Regmi, A.D., Devkota, K.C., Yoshida, K., Pradhan, B., Pourghasemi, H.R., Kumamoto, T. and Akgun, A.


Effect of geological structures, rock weathering, and clay mineralogy in the formation of various landslides along Mugling-Narayanghat road section, Central Nepal Himalaya
Journal of the Faculty of Science Shinshu University,45:1-44 2013
Author:Regmi Amar Deep, Kohki Yoshida
Keywords:Landslide, slope stability, Himalaya


The relationship between geology and rock weathering on the rock instability along Mugling–Narayanghat road corridor, Central Nepal Himalaya
Natural Hazards,66(2):501-532 2012(Nov. 11)
Author:Amar Deep Regmi • Kohki Yoshida • Hidehisa Nagata • Ananta Man Singh Pradhan • Biswajeet Pradhan • Hamid Reza Pourghasemi


Landslide susceptibility mapping using certainty factor, index of entropy and logistic regression models in GIS and their comparison at Mugling-Narayanghat road section in Nepal Himalaya
Natural Hazard,65(1):135-165 2012(Aug. 01)
Author:Krishna Chandra Devkota, Amar Deep Regmi, Hamid Reza Pourghasemi, Kohki Yoshida, Biswajeet Pradhan, In Chang Ryu, Megh Raj Dhital, Omar F. Althuwaynee


Effect of rock weathering, clay mineralogy, and geological structures in the formation of large landslide, a case study from Dumre Besi landslide, Lesser Himalaya Nepal
Landslides,10(1):1-13 2012(Jan. 01)
Author:Amar Deep Regmi, KohkiYoshida, Megh Raj Dhital and Krishna Devkota


Deposition of serpentine-bearing conglomerate and its implications for Early Cretaceous tectonics in northern Japan
Sedimentary Geology,232:1-14 2010
Author:Yoshida, K., Yasuhiro Iba, Shuichi Taki, Masaru Sugawara, Tatsuro Tsugane and Yoshinori Hikida


Calcareous duricrust, Al Qasim Province, Saudi Arabia: Occurrence and origin.
Quaternary International,209:163-174 2009
Author:Khalifa, M. A., Kumon, F., and Yoshida, K.


南部北上帯登米地域に分布する三畳系稲井層群基底層の堆積環境.
地質学雑誌,112:469-477 2006
Author:堀川英隆・吉田孝紀


北海道北部中川地域の下部蝦夷層群最下部から大型有孔虫Orbitolinaを含む石灰含礫の発見とその意義.
地質学雑誌,111:67-73 2005
Author:伊庭靖弘・滝 修一・吉田孝紀・疋田吉識


Occurrence and lithofacies of shungite: early Proterozoic carbon-rich rocks from Karelia, northwestern Russia.
Geological Society of Japan,110:I-II 2004
Author:Yoshida, K., Chijiwa, K., Hoyanagi, K., Tanaka, K., Yoko, T., Yanagisawa, K., Ito, A. and Osawa, E


Provenance of Permian sandstones, South Kitami Terrane, Northeast Japan: implications for Permian arc evolution
Sedimentary Geology,166:185-208 2004
Author:Yoshida, K. and Machiyama, H.


下部蝦夷層群から含蛇紋岩礫岩の発見とその意義
地質学雑誌,109:336-344 2003
Author:吉田孝紀・瀧 修一・伊庭靖弘・菅原 勝・疋田吉識


Blueschist-bearing fluvial conglomerate and unconformity in the Cretaceous forearc sequence, south central Hokkaido, northern Japan: Rapid exhumation of high-P/T metamorphosed accretionary complex.
Jour. Geol.Soc. Japan,108:133-152 2002
Author:Ueda, H., Kawamura, M.and Yoshida, K.


早池峰緑色岩類から産出した後期デボン紀コノドント
地質学雑誌,108:114-122 2002
Author:濱野幸治・岩田圭示・川村信人・北上古生層研究グループ(吉田孝紀を含む)


飛騨外縁帯ペルム系森部層の後背地
地質学論集,58:53-62 2000
Author:吉田孝紀/田沢純一


薄衣型礫岩の堆積とその造構環境 - 中部ペルム系粗粒砕屑岩における砂岩組成と堆積相の解析 -
地質学論集,56:89-102 2000
Author:吉田孝紀


日本列島のペルム紀~白亜紀砂岩の改訂BI図と後背地の造構場
地質学論集,57:9-18 2000
Author:君波和雄・公文富士夫・宮本隆実・鈴木茂之・竹内誠・吉田孝紀


飛騨外縁帯の石炭系荒城川層から産出したフズリナ類Schwagerinaと腕足類Choristites.
地球科学,54:196-199 2000
Author:田沢純一・長谷川美行・吉田孝紀


Sedimentary petrology and sedimentology of the Middle Permian coarse clastic rocks, South Kitakami Terrane, northern Japan and its tectonic implications.
Geosciences Journal,4:50-51 2000
Author:Yoshida, K


南部北上帯一関東方の薄衣礫岩から産出した腕足類化石とその意義
地球科学,53:159-163 1999
Author:田沢純一・吉田孝紀・町山栄章


北海道中央部穂別地域の中部中新統川端層-堆積システムと供給源に関する予察的検討-
地質学雑誌,105:673-686 1999
Author:川上源太郎・吉田孝紀・臼杵 直


南部北上帯西縁部における中部ペルム系粗粒砕屑岩相 - 薄衣礫岩の堆積システム-
地質学雑誌,104:71-89 1998
Author:吉田孝紀・町山栄章


空知-蝦夷帯の中生代変成付加コンプレックス -美瑛コンプレックスとオイチャン・ナップの提唱-
地球科学,52:433-452 1998
Author:川村信人・中川充・加藤孝幸・戸田英明・金 秀俊・吉田孝紀・山本和広・寺田 剛・永田秀尚・国分英彦・榊原正幸・大津 直・神居古潭帯団体研究グループ


南部北上帯最上部ペルム系と下部三畳系に認められる重鉱物濃集岩
地質学雑誌,101:279-294 1995
Author:吉田孝紀・川上源太郎・川村信人


南部北上帯大迫地域のシルル系に含まれる砕屑性クロムスピネル
地質学雑誌,101:817-820 1995
Author:吉田孝紀・川村信人・北上古生層研究グループ


南部北上帯ペルム系砕屑岩組成の変化
地質学雑誌,100:744-761 1994
Author:吉田孝紀・川村信人・町山栄章


薄衣型礫岩の堆積環境 -南部北上帯中部ペルム系落合層を例に-
地質学雑誌,99:705-720 1993
Author:吉田孝紀


南部北上帯達曽部地域のペルム系層序の再検討
地球科学,46:97-104 1992
Author:吉田孝紀・町山栄章・加藤 誠・川村信人


Presentations
Paleoweathering condition in the middle Miocene to the early Pliocene period in the Japanese Islands
JpGU-AGU Meeting 2017(May 22)
Author:Hatano, N., Yoshida, K.


Paleoweathering condition in middle Miocene to early Pliocene period in Japanese Islands: From paleopedology and chemistry of muddy sediments
American Geopphysical Union , AGU Fall meeting 2016(Dec. 16)
Author:Hatano, N., Yoshida, K.


Comparison of the weathering condition between the middle Miocene and the early Pliocene in Japan –on the basis of Paleosols and Geochemistry
Himalaya, Karakorum and Tibet Workshop 2016(May 09)
Author:3. Hatnao, N., Yoshida, K.


Preservation of geochemical characteristics in Permo-Triassic mudstones by metagenesis and low-grade metamorphism in the Tethys Himalaya, Central Nepal
28th Himalayan Karakorum Tibet Workshop&6th International Symposium onTibetan Plateau 2013
Author:Yoshida, K., Shiga, Y., Kawamura, T., Suzuki, S., Gyawali, B.R., Regmi, A.D., Adachi, Y. and Dhital, M.R


Early Triassic noxious benthic environments in the Lower Triassic,the South Kitakami terrane, northeast Japan
European Geosciences Union 2008 2008
Author:2.Yamanaka, A., Yoshida, K., Kasuya, T. and Horikawa, H.


Paleoenvironmental changes in the deposition of Early-Middle Triassic sediments in the Thakkola area, central Nepal Himalayas
International Geological Congress OSLO, 2008 2008
Author:Yoshida, K. Yamanaka, A., Kawamura, T., Suzuki, S., Dhital, M. R


Climatic and provenance changes recorded in the Lower Triassic sediments in the South Kitakami Terrane, northeast Japan
Shinshu University International Symposium 2006 2006
Author:Yamanaka Akiko and YoshidaKohki


Early Cretaceous Tectonics in the forearc region deduced by sandstone provenance and the existence of serpentine bearing conglomerate
17th International Sedimentological Congress, Fukuoka, Japan. 2006
Author:Yoshida, K., Iba, Y. and Taki,S.


Chemical composition and Ichnofacies of the mudstones in the Lower Triassic Osawa Formation in the Ogatsu area, South Kitakami Terrane, northeast Japan
17th International SedimentologicalCongress 2006
Author:Yamanaka Akiko and Yoshida Kohki


Serpentinediapir intrusion in the Cretaceous forearc basin in northern Japan.
2nd annual meeting AOGS 2005 2005
Author:Kohki Yoshida and Yasuhiro Iba


Use of trace element chromium and nickelin serpentine clast to estimate the depositional mode of sediments: significance of the chemical composition of serpentine clast-bearing sandstone
32th International Geological Congress, Florence, Italy 2004
Author:Kohki Yoshida


COMPARISON OF MIDDLE PERMIAN CORAL REEF WITH CALCISPONGE MOUND:IMPLICATIONS FOR THE FORMATION OF RUGOSE CORAL REEF
8th Int. Symp. Fossil Cnidaria and Porifera 2003
Author:Hideaki Machiyama, Yoichi Ezaki, Toshio Kawamura, KohkiYoshida


5万分の1地質図幅におけるランドスライドハザードポテンシャルの評価
地球惑星科学関連学会合同大会 , :Y057-003 2003
Author:永田秀尚・川村信人・川村寿郎・吉田孝紀・中川 充


Evolution of Far East Asia as Reflected in Clastic Composition of the Late Paleozoic and Early Mesozoic Rocks
2000 Western Pacific Geophysics Meeting 2000
Author:Yoshida, K.


Tectonic Evolution of Far East Asia as Reflected in Clastic Composition of the Late Paleozoic and Early Mesozoic Rocks.
Western Pacific Geophysics Meeting abstractvolume, 189. 2000
Author:Yoshida, K


Others
Comparative study of geology, rock weathering and their role in landslide formation in Mugling-Narayaghat area and Sanrumba area
「平成24年度深田研究助成」研究報告 2013(Oct. 15)
Author:Amar Deep Regmi and Kohki Yoshida


Lithostratigraphy and structures of the Siwaliks rocks in the southern part of Dang and its surrounding area, Southwestern Nepal.
Jour. Fac. Sci. Shinshu University , 43:1-42. 2011(Mar. 31)
Author:Regmi, A. D., Dhital, M. R., Gadtaula, R., Tamrakar, N. K. and Yoshida, K.


A preliminary study of the sedimentary petrography of coarse clastic deposits in the Da Nang-Khe Sanh shear zone, central Vietnam
Jour. Fac. Sci. Shinshu University , 39:25-38 2005(Mar.)
Author:Kohki Yoshida and Masaru Sugawara

Research Grants
Grants‐in‐aid for Scientific Research(Research Representative)
2007 - 2009 , テチス海南部における三畳紀環境変動の解析 , 基盤研究(B)
Research Activities
Journal Editorial Board
2002-2011 , 日本堆積学会
1998-2002 , 地球科学
2010-2011 , 日本地質学会

Education

Lectures
2007 , Basic practice of field geology 1&2
2007
2007
2007
2007
2007
2007
2007
2007
2002 , Paleontology
International Student Receipt
2009-2012 , First Term:1 , Second Term:1