Radiation monitoring

2013 Esri International User Conference July 8–12, 2013 | San Diego, California

An Introduction to decontamination support using GIS Fumihiko Itoh*, Kazunori Arataki*, Jonghwan Kim*, Takuji Mitani* Takuya Yamamoto**, Hiromi Sugawara** * **

Esri E Esr Es sr sri UC20 UC2013 U C20 01 13 3.

Background The accident at the Fukushima Dai-ichi NPP led to the radioactive contamination in wide areas of eastern Japan. JAPAN

NPP

‹

The “Act on Special Measures concerning the Handling of Pollution by Radioactive Materials” was promulgated in August, 2011

‹

About 100 municipalities are required to implement decontamination project

Decontamination project by national government. Decontamination project by municipalities.

Esri UC2013 . An Introduction to decontamination support using GIS

©2013 Asia Air Survey Co.,Ltd. All rights reserved

䌗䌯䌲䌫f䌬䌯䌷㩷 䌯䌦㩷 decontamination Pre-survey

Operation

Postmonitoring

„ Consideration of „ Land owner decontamination method „ Land use „ Radiation dose „ Getting owner’s consent

„ „ „ „

Washing „ Progress monitoring Sweeping Removing Deep plowing

„ Measurement of radiation after decontamination work „ Evaluation of decontamination effect

Complete Esri UC2013 . An Introduction to decontamination support using GIS

©2013 Asia Air Survey Co.,Ltd. All rights reserved

䌔䌡䌢䌬䌥㩷 䌯䌦㩷 contents 1.

Land use mapping

2.

GIS data Integration

3.

Making document for decontamination

4.

Radiation monitoring

5.

Progress monitoring

6.

Conclusion

Esri UC2013 . An Introduction to decontamination support using GIS

©2013 Asia Air Survey Co.,Ltd. All rights reserved

Land use mapping

Digital Mapping Camera

Digital Mapping

Esri UC2013 . An Introduction to decontamination support using GIS

Using aerial photo

Gulfstream Commander

Digital photogrammetric workstation

©2013 Asia Air Survey Co.,Ltd. All rights reserved

Land use mapping

Detail interpretation

„ Entering feature attributes to GIS data „ Checking for construction detail by 360㫦 㫦view camera

Esri UC2013 . An Introduction to decontamination support using GIS

©2013 Asia Air Survey Co.,Ltd. All rights reserved

GIS data Integration

Cadastral map

Esri UC2013 . An Introduction to decontamination support using GIS

Line and point data

©2013 Asia Air Survey Co.,Ltd. All rights reserved

Polygon data

Making document for decontamination This document is used to estimate work volume and budget of decontamination No. ⺞ᩏ⇟ภ䇭 㪇㪇

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Esri UC2013 . An Introduction to decontamination support using GIS

©2013 Asia Air Survey Co.,Ltd. All rights reserved

Radiation monitoring NaI scintillation survey meter

Equipment checking

Morning meeting

Field survey

Esri UC2013 . An Introduction to decontamination support using GIS

©2013 Asia Air Survey Co.,Ltd. All rights reserved

Radiation monitoring Ṟ Planning measurement points

System for field survey ṟ Field survey 㪞㫉㫆㫌㫇㩷 㪈㩷

㪉㩷

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Monitoring g Database High accuracy GNSS handheld

Customized System

DB Ṡ Data managementᴾ Ὁᾘᾓ: Ὁ Measurement position Ὁ Measurement Height Ὁ Photo Ὁ Weather ὉTarget surface condition

Esri UC2013 . An Introduction to decontamination support using GIS

©2013 Asia Air Survey Co.,Ltd. All rights reserved

㪌㩷

Radiation monitoring Radiation measurement 㽲Example of position for radiation dose measurement at representative point

Number of radiation measurement point Residential zone 㽲䋺5 pts. / 1 facility 㽳䋺10pts. / 1 facility

㽳Example of radiation dose measurement at hotspot

Esri UC2013 . An Introduction to decontamination support using GIS

©2013 Asia Air Survey Co.,Ltd. All rights reserved

Road 㽲㽳䋺1 pt./ 20m Farmland 㽲䋺1 pt. / 30m grid Forest 㽲䋺1 pt. / 30m grid

Radiation monitoring Navigation by GNSS

Taking photos

Target points

Radiation dose measurement

μSv/h date description

Current position

Esri UC2013 . An Introduction to decontamination support using GIS

©2013 Asia Air Survey Co.,Ltd. All rights reserved

Survey flow Entering Information

Radiation monitoring Data management system Monitoring result viewer

ᾢῄ῁῅ᾴῈ ᾢᾷᾴᾴῃ

Esri UC2013 . An Introduction to decontamination support using GIS

Management record

©2013 Asia Air Survey Co.,Ltd. All rights reserved

Data search function

Progress monitoring

Esri UC2013 . An Introduction to decontamination support using GIS

©2013 Asia Air Survey Co.,Ltd. All rights reserved

Using server GIS

Conclusion 1.

By using GIS, it becomes possible to improve efficiency of decontamination process.

2.

It is necessary to enhance a compatibility of each GIS platform (Desktop, Mobile , Server) for this type of project.

3.

We should accumulate GIS data with high accuracy in order to immediately address in an emergency.

Esri UC2013 . An Introduction to decontamination support using GIS

©2013 Asia Air Survey Co.,Ltd. All rights reserved

Thank you for your attention!

Esri UC2013 . An Introduction to decontamination support using GIS

©2013 Asia Air Survey Co.,Ltd. All rights reserved