Search Results 1-20 of 800

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Provenance of fluvial lower terrace deposits wi thin the Azusagawa River system in Matsumoto basin, Nagano Prefecture, central Japan [in Japanese]

滝口大智 , 吉田孝紀

環境科学年報 (42), 24-29, 2020-03

IR
2

Mechanisms of Formation and Development of a New Island in front of Thu Bon River Mouth, Quang Nam Province, Vietnam

DIEN Duong Cong , TINH Nguyen Xuan , TANAKA Hitoshi , VIET Nguyen Trung

… Thu Bon River delta is located at Quang Nam Province in the central region of Vietnam. … On November 05, 2017, The Damrey Typhoon attacked the central region of Vietnam causing an extreme rainfall and river flood in the Thu Bon river basin. … About two months after the typhoon, a new island, or as called "Dinosaur Island" was formed at the Cua Dai River mouth. …

Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 76(2), I_619-I_624, 2020

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3

Geomorphic Processes during Post-caldera Volcanism in Kutcharo Caldera Areas in Hokkaido, Northern Japan [in Japanese]

SANJO Ryuhei , OTSUKI Yoshinori

北海道屈斜路カルデラとその周辺は，約40 kaから続いている後カルデラ期に活発な火山活動と地形変化が生じてきた。とくに約20～23 kaのアトサヌプリカルデラ形成時に噴出したアトサヌプリ軽石（Ap）とおよそ7.6 kaの摩周カルデラより噴出した摩周f（Ma-f）は噴火規模が大きく，火砕流台地を形成するとともに釧路川を閉塞し屈斜路湖の水位を上昇させた。湖水位の上昇と火砕流二次堆積物 …

Quarterly Journal of Geography 72(1), 1-18, 2020

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4

A Classification of the Micro-topography in the Ili River Delta of Balkhash Lake by Satellite and DSM Data

NAKAYAMA Yasunori , SATO Akio , ENDO Kunihiko , SUGAI Toshihiko

… In this study, the micro-topographical classification on the basis of extraction of geomorphological feature information such as sand dune, terrace and former river bed was carried out through the integrated analysis of LANDSAT-8/OLI mosaic data, ALOS-2/PALSAR-2 data, and the existing DSM in the delta area along the Ili River of Balkhash Lake. …

TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN 18(5), 159-164, 2020

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5

THE TOPOGRAPHY OF SENDAI CASTLE TOWN JUDGED FROM DAILY LIFE WATER (GROUNDWATER) [in Japanese]

SHIBATA Takashi , OTA Hisaaki

　仙台藩祖伊達政宗は1600年（慶長5）暮れに居城を岩出山（現宮城県大崎市）から仙台の青葉山に移した．関ヶ原の戦いが終わったとはいえ，上杉景勝に対する臨戦態勢を貫いて青葉山に仙台城を造ったといわれる．そして，未開の地である広瀬川対岸の河岸段丘地に城下町を開いた．家臣はじめ約5万人といわれる人々の生活用水及び消防用水の確保を保証することができると判断したのである．しかしながら今日 …

Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research) 76(3), 36-46, 2020

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6

Incised-valley topography formed into the Last Glacial Maximum beneath the southern area of the Tokyo Lowland, central Japan [in Japanese]

TANABE Susumu , ISHIHARA Yoshiro

東京湾の湾岸部を含む東京低地南部における5,767本のボーリング柱状図から，沖積層の基底深度を読み取り，クリキング法による空間補間を行うことで，沖積層の基盤地形を復元した．東京低地南部では，現在の荒川に沿って，古東京川開析谷が南北方向に縦断しており，その両岸には海洋酸素同位体ステージ（MIS） 5aとMIS 3，最終氷期最盛期（LGM）の前半に形成されたと考えられる3段の埋没段丘 …

BULLETIN OF THE GEOLOGICAL SURVEY OF JAPAN 71(3), 201-213, 2020

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7

Geomorphological Development in the Lower Course of Minato River,Middle West Boso Peninsula (2) [in Japanese]

SATO Toshifumi

房総半島の脊梁部に源を有し，東京湾に注ぐ主な河川のうち，湊川は最も西を流れその下流域においては，他の河川とは地質や隆起量など異なる特徴をもつ．この湊川下流域において，ボーリング資料収集，露頭での堆積物調査などを行いそれら資料を整理・分析し，主に最終氷期最大海面低下期以降の地形発達とその発達要因を考察した．この結果，以下のことがわかった．１）湊川下流域には，更新世末の上位面・中位面 …

Proceedings of the General Meeting of the Association of Japanese Geographers 2020s(0), 193, 2020

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8

Evaluation of Active Tectonics in the Source Area of the 2008 Iwate–Miyagi Nairiku Earthquake [in Japanese]

YANAGIDA Makoto , AOYAGI Yasuhira , SHIMOGAMA Kota , OKAZAKI Kazuhiko , SASAKI Toshinori

… In order to estimate the length of the concealed fault, a series of geomorphological and geological observations are carried out focusing on the following points: 1) Wide uplift zone shown by relative heights of fluvial terrace surfaces. … Additionally, the folded zone is sometimes accompanied by a flexural-slip fault that causes a displacement in the late Quaternary terrace gravel layer. …

Journal of Geography (Chigaku Zasshi) 129(1), 89-122, 2020

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9

Reexamination of the Fluvial Terrace Development in the Nagatoro Gorge and the Development of Longitudinal Profile of the Ara River in the Kanto District, Central Japan [in Japanese]

TAKAHASHI Takayuki , SUGAI Toshihiko

… Based on a sedimentological analysis and tephrochronology, development of the Ara River terrace is reconstructed focusing on the Nagatoro Gorge between the Chichibu Basin and the Arakawa Fan. … Terrace treads along the Nagatoro Gorge can be classified into Oy1, Oy2 and Hg. … Oy1 comprises eroded remnants of the fill terrace probably formed in Marine oxygen Isotope Stage (MIS) 6. …

Journal of Geography (Chigaku Zasshi) 129(1), 123-140, 2020

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10

Relationship between Spring Water Quality and Land Use Type in a Small Area [in Japanese]

TSUJI Morio , NAGASAWA Yutaro , ITOH Hideyuki , SUZUKI Masaki

河岸段丘周辺の5カ所の湧水を対象に, 1年間の水質変動と冬季の硝酸安定同位体の関係から, 地上部の土地利用が地下水に与える影響を評価した。その結果, 湧水涵養域側の土地利用が山林である2湧水の水質組成は極めて近く, 人為の影響を受けていない水質と考えられた。周辺が水田の段丘面の湧水は, 硫酸アンモニウムの影響を受けたと考えられる水質組成であったが, NO3& …

Journal of Japan Society on Water Environment 43(2), 55-62, 2020

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11

The Place Name Kariyado in the Tohoku Region of Japan : Roads and River Crossings in Medieval Times [in Japanese]

青山宏夫

… and (2) found along medieval highways, particularly at river crossings on the Kamakura Kaidō, which starts in Kamakura, the capital of the Kamakura Shogunate, and from which several highways heading in various directions originate. … The point is located where Oku-no-Daidō, a major highway that ran through the Tōhoku region from north to south in medieval times, crosses Iwasawagawa river. …

史林 = The Journal of history 102(5), 757-781, 2019-09

IR DOI
12

Volunteer activities of flower beds care (Hanamori-san) and revitalization at Sumidagawa River Terrace [in Japanese]

渡邉陽一

都市公園 = Public parks (225), 図巻頭1p,82-83, 2019-07
13

The theories of river capture of terrace-dissecting valleys in Musashino Terrace, Kanto Plain : A case study of Yazawa River (Todoroki Valley) [in Japanese]

竹内憲一

地質学史懇話会会報 = Japanese Association for the History of Geosciences, JAHIGEO bulletin (52), 39-43, 2019-05-30
14

General Archaeological Survey of Upper Paleolithic Sites in the North Foot of Tien Shan Mountains of Southeast Kazakhstan [in Japanese]

国武貞克 , ベフィートフガリムジャン , オスパノフヨルボラート

旧石器研究 = Palaeolithic research (15), 137-146, 2019-05
15

RECOVERY PROCESS OF SANDSPIT AND SAND TERRACE AT THE ABUKUMA RIVER MOUTH AFTER THE 2011 TOHOKU TSUNAMI [in Japanese]

HIEP Nguyen Trong , 田中仁 , TINH Nguyen Xuan , 山中匠

土木学会論文集. B2, 海岸工学 Journal of Japan Society of Civil Engineers. 土木学会海岸工学委員会編 75(2), I_673-678, 2019
16

NUMERICAL STUDY ON MORPHOLOGICAL CHANGE AND SEDIMENT TRANSPORT AT THE MOUTH OF TEDORI RIVER, JAPAN [in Japanese]

楳田真也 , 根岸和憲 , 由比政年

土木学会論文集. B2, 海岸工学 Journal of Japan Society of Civil Engineers. 土木学会海岸工学委員会編 75(2), I_631-636, 2019
17

FLOOD RISK ANALYSIS BY HISTORICAL LANDUSE CHANGE IN THE KUROKAWA RIVER BASIN, ASO [in Japanese]

YAMASHITA Daisuke , MINAGAWA Tomoko , ASADA Hiroki

　本研究では，阿蘇北部に位置する白川水系黒川流域を対象に気候変動に伴う氾濫被害の増大に適応するための土地利用のあり方に関する知見を得るため，1902年から2003年までの土地利用の変遷や家屋の変化を地形分類別に整理し，2012年九州北部豪雨とその1.4倍の超過洪水を対象に浸水家屋数や浸水深を評価した．その結果，特に低地の谷底平野や低位段丘面における家屋数の増加によって浸水家屋数は …

Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering) 75(2), I_61-I_66, 2019

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18

Origins of the Azusa River system debris flow sediments distributed in Matsumoto Basin [in Japanese]

Takiguchi Daichi , Yoshida Kohki



Annual Meeting of the Geological Society of Japan 2019(0), 427, 2019

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19

Rock properties chenges of middle terrace deposits due to weathering distributed in the Nachi River, Wakayama Prefecture [in Japanese]

NISHIYAMA Ken-ichi , USHIRO Seisuke



Annual Meeting of the Geological Society of Japan 2019(0), 267, 2019

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20

Morphological features and physic-chemical properties of soil profiles developed on several river terraces different of formation age, Tokachi district, Hokkaido [in Japanese]

KATO Taku , NIWA Katsuhisa , KINOSHITA Rintaro , HASHIMOTO Hitoshi , TANI Masayuki

　十勝地域における形成年代の異なる河岸段丘面に生成した土壌の断面形態，理化学的特徴および分類について検討した。最も形成年代の古い高位段丘面には，洪積土層の上に新期風化火山灰と古期風化火山灰を母材とした黒ボク土が生成していた。侵食による地形発達が顕著であり，微地形の影響によって火山灰テフラの欠除や堆積厚の違いが認められ，乾性型と湿性型の黒ボク土が分布していた。中位段丘面には，新期風 …

Pedologist 63(1), 26-37, 2019

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