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Dive into the research topics where Naoya Masaoka is active.

Publication


Featured researches published by Naoya Masaoka.


Geomorphology | 2012

Combined geophysical methods for detecting soil thickness distribution on a weathered granitic hillslope

Yosuke Yamakawa; Ken'ichirou Kosugi; Naoya Masaoka; Jun Sumida; Makoto Tani; Takahisa Mizuyama


Vadose Zone Journal | 2009

A combined penetrometer-moisture probe for surveying soil properties of natural hillslopes.

Ken'ichirou Kosugi; Yosuke Yamakawa; Naoya Masaoka; Takahisa Mizuyama


Vadose Zone Journal | 2010

Use of a Combined Penetrometer–Moisture Probe Together with Geophysical Methods to Survey Hydrological Properties of a Natural Slope

Yosuke Yamakawa; Ken'ichirou Kosugi; Naoya Masaoka; Yasuyuki Tada; Takahisa Mizuyama


Vadose Zone Journal | 2012

Application of a Combined Penetrometer-Moisture Probe for Investigating Heterogeneous Hydrological Properties of a Footslope Area

Naoya Masaoka; Ken'ichirou Kosugi; Yosuke Yamakawa; Takahisa Mizuyama; Daizo Tsutsumi


Journal of Hydrology | 2016

Processes of bedrock groundwater seepage and their effects on soil water fluxes in a foot slope area

Naoya Masaoka; Ken'ichirou Kosugi; Yosuke Yamakawa; Daizo Tsutsumi


Vadose Zone Journal | 2012

Spatial and Temporal Monitoring of Water Content in Weathered Granitic Bedrock Using Electrical Resistivity Imaging

Yosuke Yamakawa; Ken'ichirou Kosugi; Shin'ya Katsura; Naoya Masaoka; Takahisa Mizuyama


International Journal of Erosion Control Engineering | 2010

Intensive Measurements of Soil Pore Water Pressure for Analyzing Heterogeneous Hydrological Processes on a Hillslope

Naoya Masaoka; Yosuke Yamakawa; Ken'ichirou Kosugi; Takahisa Mizuyama; Daizo Tsutsumi


Journal of Hydrology | 2018

Improved evaporation method for the measurement of the hydraulic conductivity of unsaturated soil in the wet range

Naoya Masaoka; Ken'ichirou Kosugi


International Journal of Erosion Control Engineering | 2018

Investigation of volcanic deposits using a combined penetrometer-moisture probe: Application in Izu-Oshima Volcano, Japan

Yosuke Yamakawa; Norifumi Hotta; Haruka Tsunetaka; Okihiro Ohsaka; Naoya Masaoka; Fumitoshi Imaizumi; Kosugi Ken'ichirou


Japan Geoscience Union | 2015

Estimation of bedrock groundwater movements using multiple investigation methods at a weathered granite mountain, Japan

Masamitsu Fujimoto; Ken'ichirou Kosugi; Yuuya Shimogakiuchi; Naoki Banba; Naoya Masaoka; Ryoichi Fukagawa

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Naoki Banba

Ritsumeikan University

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