OBANAWA Hiroyuki

J-GLOBAL         Last updated: Oct 1, 2019 at 09:28
OBANAWA Hiroyuki
National Agriculture and Food Research Organization
Hokkaido Agricultural Research Center,NARO
Job title
Research Fellow
(BLANK)(University of Tsukuba)
Research funding number

Research Areas



Graduate School, Division of Earth Science, University of Tsukuba
First Cluster of College, University of Tsukuba

Published Papers

Investigation of Possible Uplift of the Wave-cut Bench in Iwami-tatamigaura, Shimane, Japan, Induced by 1872 Hamada Earthquake: A Discussion based on the Distribution and Formative Period of Tafoni
Tetsuya KOGURE, Kota SASAKI, Yutaro NAKA and Hiroyuki OBANAWA
40(2) 135-151   Apr 2019   [Refereed]
Accuracy, precision, and labor saving effect of terrain measurement conducted using RTK-UAV
Hiroyuki OBANAWA, Seiichi SAKANOUE and Takanori YAGI
40(2) 125-134   Apr 2019   [Refereed]
Suyama Kenichiro, Nantou Kazuya, Kawaoka Akiyoshi, Hayashi Kazunori, Kato Akira, Obanawa Hiroyuki
JAPAN TAPPI JOURNAL   71(11) 1267-1270   Nov 2017   [Refereed]
<p>In this study, we have developed high efficient estimation method of forest biomass volume using an Unmanned Aerial Vehicle(UAV).Three-dimensional data of forest canopy was generated by Structure from Motion from sequence aerial photographs tak...
早川裕弌, 小花和宏之
物理探査   69(4) 297-309   Oct 2016   [Refereed]
&emsp;With the spread of small unmanned aerial vehicle (UAV) equipped with a digital camera (UAS: unmanned aerial system), it has been facilitated to acquire multi-view aerial images. Whereas, the technique of Structure-from-Motion Multi-View Ster...
小花和宏之, 河島克久, 松元高峰, 伊豫部勉, 大前宏和
雪氷   78(5) 317-328   Sep 2016   [Refereed]
早川裕弌, 小花和宏之, 齋藤仁, 内山庄一郎
地形   37(3) 321-343   Jul 2016   [Refereed]
村上智一, 小花和宏之, 河野裕美, 下川信也, 田林雄, 水谷晃
土木学会論文集 B3(海洋開発)   72(2) 766-771   Aug 2016   [Refereed]
&nbsp;This study was undertaken to clarify the applicability of underwater 3D measurements by structure-from-motion (SfM) for coral reef waters. Both underwater SfM and usual high-cost measurements for branching and massive corals were conducted. ...
田村太壱, 加藤顕, 小花和宏之, 吉田俊也
日本緑化工学会誌   41(1) 163-168   Jan 2015   [Refereed]
Structure from Motion (SfM) is an advanced photogrammetry. In this study, three-dimensional data is taken by a small Unmanned Aerial Vehicle (UAV). Our study area is Uryu experimental forest of Hokkaido University. In this study, aerial images by ...
小花和宏之, 早川裕弌, 加藤顕, GOMEZ Christopher
地形   36(2) 87-106   Apr 2015   [Refereed]
Saito Hitoshi, Uchiyama Shoichiro, Hayakawa Yuichi S., Obanawa Hiroyuki
Progress in Earth and Planetary Science      Mar 2018   [Refereed]
Hayakawa Yuichi S., Yoshida Hidetsugu, Obanawa Hiroyuki, Naruhashi Ryutaro, Okumura Koji, Zaiki Masumi, Kontani Ryoichi
Natural Hazards and Earth System Sciences   18(2) 429-444   Feb 2018   [Refereed]
Suganuma Yusuke, Kawamata Moto, Shiramizu Kaoru, Koyama Takushi, Doi Koichiro, Kaneda Heitaro, Aoyama Yuichi, Hayakawa Hideaki, Obanawa Hiroyuki
JOURNAL OF GEOGRAPHY-CHIGAKU ZASSHI   126(1) 1-24   Feb 2017   [Refereed]
小花和宏之, 早川裕弌, GOMEZ Christopher
地形   35(3) 283-294   Jul 2014   [Refereed]
In hardly accessible areas, aerial photogrammetry and laser scanning with manned flight are normally used for topographic measurement. However, those methods are expensive and therefore frequent measurement is practically difficult. To solve such ...
小花和宏之, 早川裕弌, 齋藤仁, GOMEZ Christopher
写真測量とリモートセンシング   53(2) 67-74   May 2014   [Refereed]
In the last few years, SfM (Structure from Motion) based on photographs taken from UAV (Unmanned Aerial Vehicle) has attracted a tremendous amount of interest for the creation of DSM (Digital Surface Model) and other morphometric products. However...
小花和宏之, 徳永朋祥
沿岸域学会誌   26(3) 153-165   Dec 2013   [Refereed]
Obanawa, H., Tokunaga, T., Rokugawa, S., Deguchi, T. and Nakamura, T.
IAHS publication   339 293-298   Oct 2010   [Refereed]
Hayakawa Yuichi S., Obanawa Hiroyuki, Matsukura Yukinori
Geografiska Annaler, Series A: Physical Geography   90A(1) 65-74   Mar 2008   [Refereed]
Hiroyuki Obanawa,Yukinori Matsukura
Computers & Geosciences   32(9) 1461-1478   Nov 2006   [Refereed]
Obanawa Hiroyuki, Matsukura Yukinori
Geomorphology   97(3-4) 697-711   May 2008   [Refereed]
OBANAWA Hiroyuki
Geographical Review of Japan   78(12) 859-866   Oct 2005   [Refereed]
OBANAWA Hiroyuki
Geological data processing   15(1) 3-14   Mar 2004   [Refereed]
A mathematical model for the development of talus slopes was constructed. The model is characterized by the following three points: (1) the balance of the erosional volume of the cliff and the depositional volume of the talus; (2) changing ratio o...
OBANAWA Hiroyuki, MATSUKURA Yukinori, ONDA Yuichi
Transactions,Japanese Geomorphological Union   23(3) 433-447   Jul 2002   [Refereed]
To examine (1) the factors affecting the running distance of debris flows, and (2) the role of the debris flows in the talus slope development, field investigation was carried out on talus cones located at the base of a caldera wall of Mt. Bandai ...


大上隆史, 小花和宏之, 南雲直子, 早川裕弌, 小口千明
地形   38(1) 77   Jan 2017
小花和宏之, 早川裕弌, 加藤 顕
東京大学空間情報科学研究センターディスカッションペーパー   137 24-27   Mar 2015
OBANAWA Hiroyuki
GIS NEXT   46 88-89   Jan 2014
Transactions, Japanese Geomorphological Union   33(1) 96-97   Jan 2012
土地被覆・土地利用分類体系のデータベース化 ―米国・英国資料の収集と分析―
小花和宏之, 高野誠二, 織田竜也, 近藤恵美, 鬼頭美和子, 小口 高, 柴崎亮介, Grossman, M., and Jarvie, H.P.
東京大学空間情報科学研究センターディスカッションペーパー   80 1-27   Aug 2006
Effect of grain diameter and packing condition on the avalanching depth on a slope composed of dry granular materials
Matsukura, Y. and Obanawa, H.
Tsukuba Geoenvironmental Sciences   1 19-25   Dec 2005
Mathematical Modeling of Talus Development and Its Application to the Caldera Wall of Mount St. Helens
OBANAWA Hiroyuki
筑波大学大学院地球環境科学研究科博士論文      2005
小花和 宏之, 有賀 雄高, 山本 憲志郎, 松倉 公憲
Bulletin of the Terrestrial Environment Research Center,the University of Tsukuba   1 51-57   Feb 2001
Is the angle of repose of cohesionless granular materials comparable to the angle of shearing resistance?
Matsukura, Y., Obanawa, H., and Mizuno, K.
Science Report of the Institute of Geoscience, University of Tsukuba   A19 1-10   Jan 1998
A study on the angle of repose and the depth of avalanching on a slope composed of dry granular materials
graduation thesis      1997

Books etc

OBANAWA Hiroyuki (Part:Contributor)
Feb 2017   
OBANAWA Hiroyuki (Part:Contributor)
Feb 2005   

Conference Activities & Talks

小花和宏之, 坂上清一, 八木隆徳
第8回北海道畜産草地学会大会   25 Aug 2019   
Evaluating the Applicability of RTK-UAV for Field Management
Hiroyuki Obanawa, Seiichi Sakanoue, and Takanori Yagi
2019 IEEE International Geoscience and Remote Sensing Symposium (IGARSS2019)   1 Aug 2019   
Measurement of Snow Distribution Using RTK-UAV
Hiroyuki Obanawa
16th Annual Meeting Asia Oceania Geosciences Society (AOGS2019   30 Jul 2019   
The use of hand-crafted cardboard models derived from 3D point cloud data for the understandings of spatial phenomena
Yuichi Hayakawa and Hiroyuki Obanawa
International Conference on Spatial Analysis and Modeling   9 Sep 2018   
Some applications of UAV remote sensing to topographic and vegetation surveys [Invited]
Hiroyuki Obanawa
2018 International Conference on Unmanned Aerial Vehicles in Environment   20 Aug 2018   
Characteristics of Coseismic and Rainfall-Induced Landslides at ASO Volcano, Japan, Differentiated by UAS and SFM-MVS Photogrammetry
Saito, H., Uchiyama, S., Hayakawa Y.S. and Obanawa, H.
15th Annual Meeting Asia Oceania Geosciences Society   Jun 2018   
小花和宏之, 加藤顕
2017年日本地形学連合秋季大会   Dec 2017   
Effects of recurring tsunami waves on bedrock erosion along Sanriku Coast, northeastern Japan
Hayakawa, Y.S., Obanawa, H., Wassmer, P., Oguchi, T. and Saito, H.
European Geosciences Union General Assembly 2018   Apr 2018   
小花和宏之, 加藤 顕
第20回環境リモートセンシングシンポジウム   Feb 2018   
加藤顕, 若林裕之, 早川裕弌, 小花和宏之, スリスマンティヨ J.T.
日本写真測量学会平成29年度年次学術講演会   26 May 2017   
井上華央, 柴田英昭, 吉田俊也, 中路達郎, 小花和宏之, 小花和宏之, 加藤顕
第128回日本森林学会大会   26 Mar 2017   
齋藤 仁, 内山庄一郎, 小花和宏之, 早川裕弌
第8回GIS-Landslide研究集会および第4回高解像度地形情報シンポジウム   9 Feb 2017   
早川裕弌, 小花和宏之
日本地形学連合2016年秋季大会   8 Oct 2016   
小花和宏之, 早川裕弌
日本地形学連合2016年秋季大会   8 Oct 2016   
小倉拓郎, 小花和宏之, 青木賢人
日本地球惑星科学連合大会2017   23 May 2017   
早川裕弌, 小花和宏之
日本地球惑星科学連合大会2017   20 May 2017   
齋藤 仁,内山庄一郎,小花和宏之,早川裕弌
東京大学空間情報科学研究センター CSIS DAYS 2016   Nov 2016   
齋藤仁, 内山庄一郎, 小花和宏之, 早川裕弌
2016年度日本地理学会秋季学術大会   30 Sep 2016   
1.はじめに <br> 阿蘇山・中央火口丘や外輪山の斜面では,豪雨と地震による集団発生的な斜面崩壊が頻繁に起こり(例えば1990年7月, 2001年6月, 2012年7月,2016年4月),地形変化の速い地域である.斜面崩壊発生場所の特徴や,その後の地形変化を明らかにすることは,今後の土砂災害対策や,阿蘇を特徴づける草地景観の保全の観点から重要である.しかしながら,斜面崩壊は深さ数m以下であり,一般的な衛星画像や空中写真では,その空間分解能,撮影頻度およびコストの面で,表層崩壊地やその周...
川又基人, 菅沼悠介, 白水薫, 小山拓志, 土井浩一郎, 金田平太郎, 青山雄一, 早河秀章, 小花和宏之
日本地質学会第123年学術大会   12 Sep 2016   
齋藤仁, 内山庄一郎, 小花和宏之, 早川裕弌
日本地すべり学会第55回研究発表会   24 Aug 2016   
加藤顕, 早川裕弌, 小花和宏之
日本写真測量学会平成28年度年次学術講演会   26 May 2016   
High-definition topography applied to landslide hazard assessment around Aso volcano [Invited]
Saito, H., Uchiyama, S., Obanawa, H. and Hayakawa, Y.S.
Japan Geoscience Union Meeting 2016   22 May 2016   
小花和宏之, 河島克久, 大前宏和
日本地形学連合2015年秋季大会   11 Oct 2015   
吉田英嗣, 小花和宏之, 早川裕弌, 高場智博, 松本一希
日本地球惑星科学連合大会2016   May 2016   
Application of high definition data for analysis of topographic and vegetation changes using UAVs and SfM photogrammetry -A case study of shallow landslides around Mt. Aso-
Saito, H., Obanawa, H., Josaphat T.S.S., Uchiyama, S. and Hayakawa, S.Y.
23rd CEReS International Symposium   Dec 2015   
Geomorphology and archaeology: mapping landforms around archaeological sites in Kayseri region using high-definition data
Hayakawa, Y.S., Obanawa, H., Yoshida, H., Naruhashi, R., Okumura, K. and Zaiki, M.
International Geographical Union Regional Conference 2015 (IGU2015)   Aug 2015   
High resolution and frequency measurement of erosion volume of inaccessible sea cliff using Unmanned Aerial Vehicle
Obanawa, H. and Hayakawa, Y.S.
International Geographical Union Regional Conference 2015 (IGU2015)   Aug 2015   
Mapping surface morphology and outcrop structures of hummocks in debris avalanche deposits using structure-from motion multi-view stereo photogrammetry
Hayakawa, Y.S., Obanawa, H., Yoshida, H., Naruhashi, R., Okumura, K., Zaiki, M. and Kontani, R.
International Union for Quaternary Science (INQUA) 2015   Jul 2015   
加藤顕, 小花和宏之, 早川裕弌, 梶原康司, 本多嘉明
日本写真測量学会平成27年度年次学術講演会   19 May 2015   
Tsunami-induced bedrock erosion and sediment deposition on uplifted coastal bench: Cape Todogasaki, eastern Japan
Hayakawa, S.Y., Obanawa, H., Wassmer. P., Saito, H. and Oguchi, T.
Japan Geoscience Union Meeting 2015   May 2015   
アクセス困難な海食崖における高解像度かつ高頻度な地形変化計測手法 [Invited]
小花和宏之, 早川裕弌
日本地球惑星科学連合2015年大会   May 2015   
Detection of morphological changes in cliff face surrounding a waterfall using terrestrial laser scanning and unmanned aerial system
Hayakawa, Y.S. and Obanawa, H.
European Geosciences Union General Assembly 2015   Apr 2015   
田村太壱, 加藤顕, 小花和宏之, 吉田俊也
第126回日本森林学会大会   28 Mar 2015   
[in Japanese]
加藤顕, 小花和宏之, 早川裕弌
第126回日本森林学会大会   28 Mar 2015   
[in Japanese]
早川裕弌, 小花和宏之, 吉田英嗣, 鳴橋竜太郎, 奥村晃史, 財城真寿美
日本地理学会2015年春季学術大会   Mar 2015   
齋藤仁, 内山庄一郎, 小花和宏之, 早川裕弌, 泉岳樹, 山本遼介, 松山洋
日本地理学会2015年春季学術大会   Mar 2015   
Mapping cliff face changes around a waterfall using terrestrial laser scanning and UAS-based SfM-MVS photogrammetry
Hayakawa, Y.S. and Obanawa, H.
The International Symposium on Cartography in Internet and Ubiquitous Environments 2015   Mar 2015   
High-resolutional topographic survey using small UAV and SfM-MVS technologies in hardly accessible area
Obanawa, H. and Hayakawa, Y.S.
The International Symposium on Cartography in Internet and Ubiquitous Environments 2015   Mar 2015   
小花和宏之, 早川裕弌, 加藤顕, GOMEZ Christopher
日本地形学連合2014年度秋季大会   11 Oct 2014   
早川裕弌, 小花和宏之, 吉田英嗣, 鳴橋竜太郎, 奥村晃史, 財城真寿美
日本地球惑星科学連合2015年大会   26 May 2015   
Akira Kato,Hiroyuki Obanawa,Array,Manabu Watanabe,Yoshio Yamaguchi,Tsutomu Enoki
2015 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2015, Milan, Italy, July 26-31, 2015   Jul 2015   
Hiroyuki Obanawa
2015 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2015, Milan, Italy, July 26-31, 2015   Jul 2015   
Structure from Motion for pointclouds creation from historical imagery and UAV: Monitoring floodplain vegetation evolution in 3D
Gomez, C. Obanawa, H., Kato, A., Hayakawa, Y.S. and Saito, H.
5th Digital Earth Summit 2014   Nov 2014   
Morphological analysis of an uplifted coastal terrace using high definition topographic data: possible erosion by high waves of tsunamis
Hayakawa, Y.S., Obanawa, H., Wassmer, P., Oguchi, T. and Saito, H.
Geological Society of America 2014   Oct 2014   
UAV & SfM & TLS [Invited]
OBANAWA Hiroyuki
第一回高解像度地形情報シンポジウム   Aug 2014   
小花和宏之, 早川裕弌
日本写真測量学会学平成26年度年次学術講演会   23 May 2014   
3D modelling of inaccessible areas using UAV-based aerial photography and Structure from Motion
Obanawa, H., Hayakawa, Y.S. and Gomez, C.
European Geosciences Union General Assembly 2014   Apr 2014   
Land subsidence at the Kujukuri Plain in Chiba Prefecture, Japan: Evaluation and monitoring environmental impacts
Obanawa, H., Tokunaga, T., Rokugawa, S., Deguchi, T. and Nakamura, T.
Eighth International Symposium on Land Subsidence   Oct 2010   
Evaluation of the impact of land subsidence on surficial environment by GIS analysis with high-resolution DEM
Obanawa, H. and Tokunaga, T.
The 9th SEGJ (The Society of Exploration Geophysicists of Japan) International Symposium   Oct 2009   
Does land subsidence significantly affect shoreline retreat along the southern Kujukuri Coast, Japan?
Obanawa, H. and Tokunaga, T.
7th International Conference on Geomorphology   Jul 2009   
Analysis of possible expansion of flood hazardous area induced by land subsidence: A case study at the Kujukuri Plain in Chiba Prefecture, Japan
Obanawa, H. and Tokunaga, T.
European Geosciences Union General Assembly 2008   Apr 2008   
小花和宏之, 徳永朋祥, 小口高
日本地形学連合2007年秋季大会   10 Nov 2007   
Relationship between land subsidence and the earth surface environment at Kujukuri Plain in Chiba Prefecture, Japan
Obanawa, H. and Tokunaga, T.
American Geophysical Union Fall Meeting 2007   Dec 2007   
Temporal change of groundwater temperature by a storm event
Aichi, M., Tokunaga, T, Obanawa, H., Mogi, K., Hakuta, K., Hashiguchi, S., Imai, S., Kainosho, H., Kiyokuni, A., Matsumoto, S., Ohno, K., Nagasawa, H., Nojiri, T., Shimizu, Y., Tomita, S. and Yamashita, K.
American Geophysical Union Fall Meeting 2007   Dec 2007   
Hundred-year order spatio-temporal changes of land subsidence and possible causing factors at Chiba prefecture, Japan
Obanawa, H. and Tokunaga, T.
2nd International Conference of GIS and Remote Sensing in Hydrology, Water Resources and Environment (ICGRHWE'07) and 2nd International Symposium on Flood Forecasting and Management with GIS and Remote Sensing (FM2S'07)   Sep 2007   
池田敦, 早川裕一, 小花和宏之, 松岡憲知, 石井武政
日本地形学連合2007年度春季大会   17 Mar 2007   
小花和宏之, 早川裕一, 松倉公憲
日本地形学連合2006年度春季大会   30 Mar 2006   
高野誠二, 小花和宏之, 織田竜也, 鬼頭美和子, 長井正彦, 小口高, 柴崎亮介
2006年度日本地理学会春季学術大会   Mar 2006   
小花和宏之, 松倉公憲
日本地質学会第112年学術大会   10 Sep 2005   
福薗輝旗, 小花和宏之
日本地すべり学会研究発表会講演集   29 Aug 2005   
福薗輝旗, 小花和宏之
日本地すべり学会研究発表会講演集   31 Aug 2004   
福ぞの輝旗, 小花和宏之
日本地すべり学会研究発表会講演集   28 Aug 2002   
小花和宏之, 恩田裕一, 松倉公憲, 森脇寛
砂防学会研究発表会概要集   15 May 2001   
OBANAWA Hiroyuki, MATSUKURA Yukinori, ONDA Yuichi
日本地理学会発表要旨集 = Proceedings of the General Meeting of the Association of Japanese Geographers   2001   
Debris Flows on Talus Slopes : A Laboratory Experiment and Field Observation
Obanawa, H., Onda, Y., Moriwaki, H. and Matsukura. Y.
Fifth International Conference on Geomorphology   Aug 2001   

Research Grants & Projects

Mathematical model for talus development