The 31st Symposium on Geo-environments and Geo-techics (Online)

Date

26-27, November 2021

Presented by

The Japanese Society of Geo-Pollution Science, Medical Geology and Urban Geology

Co-presented by

(NPO) The Geo-pollution Control Agency, JAPAN
Japan Society of Geoinformatics
Japan Association for Quaternary Research
Japan Association of Mineralogical Sciences
Japan Chapter of IMGA

Under the auspice of

The Geological Society of Japan
IUGS-IFG

Timetable of 26th November

10:00

Liquefaction-fluidization horizons at the 2011 off the Pacific coast of Tohoku Earthquake : results of geological survey by continuous boring in reclaimed land, Narashino City, Chiba Prefecture around Tokyo bay, central Japan

Takahiro KOJIMA and Osamu KAZAOKA

10:15

Chemical characterization of paleo-tsunami deposits by data-driven analysis

Shuta SATO, Kengo NAKAMURA, Noriaki WATANABE and Takeshi KOMAI

10:30

Distribution of spouting sites and conditions of methane gas on center part of Kujyukuri Plain, central Japan

Osamu KAZAOKA, Takahiro KOJIMA, Naoto ITO, Atsushi KAGAWA, Itaru OGITSU, Hisashi YABUSAKI and Takeshi YOSHIDA

13:00

What we have learned in the 10 years since the nuclear accident

Kenji NANBA

13:30

Transport mechanism of radioactive elements in the environment of Fukushima Prefecture

Takeshi KOMAI

14:00

An effect of forest floor condition on radiocesium outflow in mountainous forest of Fukushima, Japan

Tadafumi NIIZATO, Yoshito SASAKI, Takayoshi WATANABE, Hiroki AMAMIYA

14:15

Radioactive cesium migration and its origin released due to the 1F accident

Shinji TAKEUCHI and Fengrui ZHANG

14:30

Transition of geological pollution caused by radioactive cesium

Kazuya KIMURA, Kunio FURUNO and Shinya SATO

15:00

Study on the hydro-mechanical characterization of the calcareous concretion

Satoshi GOTO, Sachiko NAKAMURA, Hidekazu YOSHIDA and Shinji TAKEUCHI

15:15

Stratigraphy and age model of the sediment cores from the Lake Imuta-ike, Kagoshima Prefecture

Kazuyoshi YAMADA and The Lake Imuta-ike scientific project members

15:30

Environmental change of Imuta-ike, Kagoshima, Japan: A preliminary report based on the sediment core analyses

Shuhei YOSHIMOTO, Kazuyoshi YAMADA, Toshimichi NAKANISHI and Satoshi MURAO

15:45

Study on the origin of the greenstone melange in the Atokura Nappe, Kanto Mountains, central Japan.

Seira KATAGIRI and Shinji TAKEUCHI

16:00

Stratigraphy from the unit survey method principle setting, taking the Kokumoto Formation of Kazusa Group, as an example

Hideto KIMURA and Hisashi NIREI

Timetable of 27th November

9:30

Geology around the Shimazaki Castle and how was built it

Kunio FURUNO, Taro FUSE, Osamu KAZAOKA, Yayoi YAMADA and Tomoyo HIAMA

9:45

Benefits and flood disasters by the improvement work on Tone River

Yayoi YAMADA and Masaaki TSUKAMOTO

10:00

The dammed-up topography by human made strata

Hiroshi TAKASHIMA and Yuuya YOSHITOMI

10:15

The dammed-up topography and the development process of human made strata in Kirishima City Kokubu-noguchi district

Yuuya YOSHITOMI, Ryoji TANAKA and Hiroshi TAKASHIMA

10:30

Problem on river environment by the fine sedimensts

Takayuki KAWABE, Osamu ABE, Makoto SEINO and Group to save the clear Mogami-Oguni River

12:45

Groundwater level of Kanto Groundwater by monitoring wells of local government

Kunio FURUNO and Atsushi KAGAWA

13:00

Inverse Analysis of Groundwater Modeling: An Example of the Contamination Site in Mobara City

Katsuhiro FUJISAKI

13:15

Understanding the subsurface geological structure for the use of groundwater resources in the Hakodate Plain, Hokkaido

Mizuki SATO, Yusuke MORINO and Naoaki SHIBASAKI

13:30

A consideration of availability of high quality core-sampling 

Tadamasa UEKI

13:45

Study on the hydrogeological characterization of the Pleistocene gravel layer in Sakurajosui, Setagaya, Tokyo  

Airi ITAKURA and Shinji TAKEUCHI

14:00

Seasonal change of groundwater flow direction and groundwater quality in paddy soil strata

Osamu KAZAOKA, Naoto ITO, Takahiro KOJIMA and Koichi SAITO

14:15

Groundwater flow and quality in Paddy soil strata at Douyatsu district, Chiba city, Shimousa upland, central Japan.

Naoto ITO, Osamu KAZAOKA and Takahiro KOJIMA

14:30

Applying the 2D and 3D numerical simulation results of the 1,4-dioxane plume distribution to design the groundwater remediation active treatment

Thatthep PONGRITSAKDA, Kengo NAKAMURA, Jiajie WANG, Chelsea LANGA, Toshikazu SHIRATORI, Noriaki WATANABE, Sanya SIRIVITHAYAPAKORN and Takeshi KOMAI

Timetable of the Online Seminar, 27th November
Geological and Environmental Research Methodologies for ASGM
"Present status of ASGM: observation and monitoring towards risk management of mercury"

15:30

Opening remarks

Stephanie Laruelle (Secretariat of UNEP Global Mercury Partnership)

15:40

Real-time kinematic (RTK) to rapid topography assessment

Ryoji Tanaka (Daiichi Institute of Technology)

15:55

Sedimentary science to assess mercury in ‘‘varve”

Kazuyoshi Yamada (Waseda University)

16:10

Observation and description of human-made strata

Osamu Kazaoka (Institute of Environmental Geology, Environmental Research Center, Chiba)

16:25

Development of smart mercury monitoring system using Quartz Crystal Microbalance-based Method

Kazutoshi Noda (National Institute of Advanced Industrial Science and Technology)

16:40

Discussions and Q&A

16:55

Wrap up