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Yuki MATSUSHI Geomorphologist Associate professor Mountain
Hazard Section, GeoDisaster Division, Gokasho, Uji, Kyoto 611-0011, Japan. |
Last update: 12 Oct. 2011
Education:
Mar. 2001 |
B.Sc. College of Natural Sciences, University of Tsukuba, Japan. |
Mar. 2003 |
M.Sc. Geoenvironmental Sciences, Graduate School of Life and Environmental Sciences, University of Tsukuba, Japan. |
Mar. 2006 |
Ph.D. Geoenvironmental Sciences, Graduate School of Life and Environmental Sciences, University of Tsukuba, Japan. Thesis:
Triggering mechanisms and rainfall thresholds of shallow landslides on
soil-mantled hillslopes with permeable and
impermeable bedrocks |
Professional experience:
Apr. 2006- |
Postdoctoral researcher |
Apr. 2007- |
JSPS (Japan Society for the
Promotion of Science) research fellow |
Apr. 2010- |
Postdoctoral researcher |
Aug. 2011- |
Associate professor |
Topics:
Quantifying hillslope denudation with in situ-produced cosmogenic 10Be and 26Al.
10Be, 26Al exposure, and 26Al/10Be burial dating.
Determination of limestone denudation rates with in-situ 36Cl.
Hydrological triggering-mechanisms of shallow landslides.
Sediment yields and channel initiation in watersheds.
Keywords:
Cosmogenic nuclides; exposure dating; denudation rate; landslide; slope hydrology; accelerator mass spectrometry (AMS); landscape evolution
Ongoing projects:
CONQUEST (Cosmogenic nuclide quantification of erosion systems in Japanese granitic mountains)
Karst Project (Determination of limestone denudation rates with in-situ 36Cl under subtropical to subarctic environments)
Mountain Dating (Reconstruction of watershed evolution in Kii Mountains and Shihmen in Taiwan)
Grants acquired:
As the principal investigator
2007-2009; Grant-in-Aid for JSPS Fellows (07J01748); 3300,000 JPY.
2011-2013;
Grant-in-Aid for Young Scientists (B) (23710208); 3600,000 JPY.
As a co-investigator
2011-2012; Grant of Japan Geographic Data Center; 660,000JPY (PI: R. Nishii, Univ. Tsukuba).
2011-2013; Grant-in-Aid for challenging Exploratory Research (23654172); 900,000 JPY/2700,000 JPY (PI: M. Chigira, Kyoto Univ.).
2011-2013; Grant-in-Aid for challenging Exploratory Research (23656586); 700,000 JPY/2700,000 JPY (PI: K. Sasa, Univ. Tsukuba).
2011-2016; JST-CREST; 7650,000 JPY/200,000,000 JPY (PI: K. Kosugi, Kyoto Univ.).
Lectures and commentary:
Cosmogenic seminar 2006
Handout: Theory, techniques and applications of in situ-produced cosmogenic 10Be and 26Al
Lecture slides (in Japanese; MS-PowerPoint):
[2. Cosmic ray irradiation and nuclide production]
[3. Visually-understanding the principles]
[4. Modeling 1 (Nuclide production scaling)]
[5. Modeling 2 (Nuclide accumulation in rock minerals)]
[7. Applications and potentials]
Lab. Manuals
Chemistry for in-situ 10Be and 26Al measurement for terrestrial quartz by AMS at MALT
[Link to PDF (in Japanese)] Updated!
Chemistry for in-situ 36Cl in calcite by AMS with isotope dilution at UTTAC
Japanese Geomorphological Union
Japan Society for Accelerator Mass Spectrometry Research
Journals for which Y. Matsushi has provided reviews:
Geomorphology (7), CATENA (1), Geology (1), Polar Science (1).
18. |
Matsushi Y., Hattanji T., Akiyama S., Sasa K., Takahashi T.,
Sueki K., Matsukura Y., 2010. Evolution of solution dolines inferred from cosmogenic
36Cl in calcite. Geology
38, 1039-1042. |
17. |
Iizuka Y., Miura H., Iwasaki S.,
Maemoku H., Sawagaki T., Greve R., Satake H., Sasa K., Matsushi Y., 2010. Evidence of past
migration of the ice divide between the Shirase and
Sôya drainage basins derived from chemical characteristics of the marginal
ice in the Soya drainage basin of East Antarctica. Journal
of Glaciology 56, 395-404. |
16. |
Sasa
K., Takahashi T., Tosaki Y., Matsushi
Y., Sueki K., Tamari M., Amano T., Oki T., Mihara S., Yamato Y.,
Nagashima Y., Bessho K., Kinoshita N., Matsumura H., 2010. Status and research
programs of the multinuclide accelerator mass
spectrometry system at the University of Tsukuba. Nuclear Instruments and Methods in Physics Research B 268,
871-875. |
15. |
Sasa
K., Matsushi Y., Tosaki Y., Tamari
M., Takahashi T., Nagashima Y., Horiuchi K., Matsuzaki H., Shibata Y.,
Hirabayashi M., Motoyama H., 2010. Measurement of cosmogenic 36Cl
in the Dome Fuji ice core, Antarctica: Preliminary results for the Last
Glacial Maximum and early Holocene. Nuclear
Instruments and Methods in Physics Research B 268, 1193-1196. |
14. |
Matsushi Y., Matsuzaki H., 2010. Denudation
rates and threshold slope in a granitic watershed,
central Japan. Nuclear Instruments and
Methods in Physics Research B 268, 1201-1204. |
13. |
Matsushi Y., Sasa K.,
Takahashi T., Sueki K., Nagashima Y., Matsukura Y., 2010. Denudation rates of
carbonate pinnacles in Japanese karst areas:
estimates from cosmogenic 36Cl in
calcite. Nuclear Instruments and
Methods in Physics Research B 268, 1205-1208. |
12. |
Tosaki,
Y., Massmann G., Tase N., Sasa K., Takahashi T., Matsushi Y., Tamari M., Nagashima Y., Bessho K., Matsumura H.,
2010. Distribution
of 36Cl/Cl in a river-recharged aquifer: Implications for the
fallout rate of bomb-produced 36Cl Nuclear Instruments and Methods in Physics Research B 268,
1261-1264. |
11. |
Kinoshita
N., Matsumura H., Bessho K., Toyoda A., Masumoto K., Matsushi Y., Sasa K., Takahashi T., Mihara S., Oki T., Matsumura M.,
Tosaki Y., Sueki K., Tamari M., Nagashima Y., 2009. Depth Profile of Radioactivity
Induced in the Thick Concrete Shield in EP1 Beam Line at the KEK 12-GeV Proton Synchrotron Facility. Nuclear Technology 168, 694-699. |
10. |
Wakatsuki
T., Iida T., Matsushi Y., Kogure
T., Sasaki Y., Matsukura Y., 2009. The Effect of Rock Weathering on Soil Formation and Form of
Slope Failure on Two Mudrock Slopes : A Case Study
on Slope Failures Caused by Typhoon 10, 2003 in Hidaka District, Hokkaido. Transactions, Japanese Geomorphological Union 30,
267-288. (in Japanese with English abstract). |
9. |
Matsushi Y., Matsuzaki
H., Matsukura Y., 2008. Potential of in situ-produced cosmogenic
nuclides for quantifying strength reduction of bedrock in soil-mantled hillslopes. Quaternary
Geochronology 3, 262-267. |
8. |
Matsushi Y., Matsukura Y.,2007. Rainfall thresholds
for shallow landsliding derived from pressure-head
monitoring: cases with permeable and impermeable bedrocks in Boso Peninsula, Japan. Earth Surface Processes and
Landforms 32, 1308-1322. |
7. |
Matsushi Y., Wakasa
S., Matsuzaki H., Matsukura Y. ,2007. In situ-produced cosmogenic
10Be and 26Al analyses in process geomorphology. Transactions, Japanese Geomorphological
Union 28, 87-107. (in Japanese with English abstract). |
6. |
Matsushi Y., Wakasa
S., Matsuzaki H., Matsukura Y.,2006. Long-term
denudation rates of actively uplifting hillcrests in the Boso
Peninsula, Japan, estimated from depth profiling of in situ-produced cosmogenic 10Be and 26Al. Geomorphology 82,
283-294. |
5. |
Matsushi Y., Matsukura
Y.,2006. Cohesion of unsaturated residual soils as a function of volumetric
water content. Bulletin of Engineering
Geology and the Environment 65, 449-455. |
4. |
Hattanji T., Matsushi Y.,2006. Effect of runoff
processes on channel initiation: comparison of four forested mountains in
Japan. Transactions, Japanese Geomorphological Union 27, 319-336. |
3. |
Matsushi Y., Hattanji T., Matsukura Y.,2006. Mechanisms of shallow landslides on soil-mantled hillslopes with permeable and impermeable bedrocks in the
Boso Peninsula, Japan. Geomorphology 76, 92-108. |
2. |
Matsushi Y., Matsukura
Y.,2004. Mechanism and location of slope failures in hilly terrains with
different bedrock permeability. Transactions,
Japanese Geomorphological Union 25, 139-159 (in
Japanese with English abstract). |
1. |
Hattanji T., Wakasa S., Matsushi Y.,2003.
The numerical relationship among first-order streams,
peaks and saddles in two dissected mountains. Transactions, Japanese Geomorphological
Union 24, 205-213. |
Copyright (C) 2011 Y. Matsushi. All Rights Reserved.
松四雄騎