GEO Grid災害タスクフォース〜東日本大震災における活動〜 GIS学会2011

GEO Grid 災害タスクフォース東日本大震災における活動地理情報システム学会第２０回研究発表大会 2011 年 10 月 16 日

GEO Grid サービスの例 Satellite data archive and processing ASTER, PALSAR, MODIS, etc. Geoscience data Geological maps, Active fault data, etc. Satellite data application Application of Satellite-Field data Integrator (SFI) for aerosol monitoring Description http://fon.geogrid.org/aerosol/ SDCP (Science Degree Confluence Project) –Community validation tool for global land-cover & digital elevation models http://eco.geogrid.org/sdcp/ Hazard information QuiQuake (Quick Estimation System for Earthquake Maps Triggered by Observation Records) http://qq.ghz.geogrid.org / Volcanic Gravity Flow Simulations on Volcanic Area s http://volcano.geogrid.org/applications/EnergyCone /

地震動マップ Date: March 11, 2011 Magnitude: 9.0 Max. JMA intensity: 7 (MM: 11~12) [email_address] JMA intensity: 6 - (MM: 9~10) http://qq.ghz.geogrid.org/

Post-3.11 全てのサービスが停止１時間位 UPS で動いていた電気，水道停止，建物も一部破損当面出勤停止 Skype で情報共有，システム稼動に向けた議論様々な組織から支援の申し出 GEO Grid 災害対応タスクフォース http :// disaster. geogrid.org/

GEO Grid 災害対応タスクフォース Objective 衛星データの提供と衛星データを用いた被害量推定など地震動マップ，液状化危険度分布地質図など放射線量マップ Features 冗長化：データ処理系をクラウド等の外部リソースへ移管高速性：高速データ処理標準化：オープンスタンダードな WMS ， KML などによるデータ提供

Data Flow and Services Prior to Earthq. NASA AIST ERSDAC JAXA Terra/ASTER - Archive (tape, B-ray) - Archive (on-Disk) - Processing - WMS Data providing Portal ALOS/PALSAR 70 GB/day (ASTER) 360 GB/day (PALSAR) ASTER data: NASA->ERSDAC->AIST PALSAR data: JAXA->ERSDAC->AIST (processing, WMS, portal site, and data providing by AIST) TDRS

3.19 〜 4.20 NASA (AIST) ERSDAC JAXA Terra/ASTER Processing - WMS ALOS/PALSAR ASTER data: NASA->ERSDAC->(AIST)-> PALSAR data: JAXA->ERSDAC->(AIST)-> (processing and WMS by Orkney, portal site by Google) Orkney Google TDRS Portal

4.20 〜現在 NASA (AIST) ERSDAC JAXA TDRS Terra/ASTER - Processing WMS ALOS/PALSAR ASTER data: NASA->ERSDAC->(AIST)-> PALSAR data: JAXA->ERSDAC->(AIST)-> (processing by NCHC, SDSC, and OCCO, WMS by NCHC, portal site by Google) Google Portal UCSD Processing Processing OCC NCHC

ASTER Night-time Thermal Image Covering Fukushima This ASTER night time thermal image covering Fukushima shows the Daiichi nuclear plant as observed by ASTER. The amount of heat radiation as measured by Band 13 (10.67 um) has been converted into brightness temperatures using the Planck rule. In measurements from the Self Defense Forces helicopter, a hot spot of about 100℃ is partially observed. Such high temperature areas cannot be identified by this image. One of the reasons could be due to the spatial resolution of the ASTER thermal band (ground resolution 90m) and due to the pixels including the hot spot averaged with the surrounding area. Another reason might be the influence of the small portion of clouds. Daiichi nuclear power plant © METI/NASA processed by ERSDAC, analyzed by GEO Grid AIST.

Change (damage area) Extraction by PALSAR Images Distribution of the discriminant score is calculated from the difference in the backscattering and correlation coefficient of pre- and post-tsunami PALSAR fine beam mode images (2009/11/12 and 2011/3/16), in areas where the elevation (ASTER GDEM) is lower than 50 m above sea level. Pixels whose discriminant score is positive (warmer colors) might be assigned as areas by temporal (seasonal) surface changes and/or damage due to the tsunami of the 2011 Tohoku-Taiheiyo-oki, Japan earthquake.

Crustal Deformation Extraction by PALSAR Interferogram images are generated by PALSAR data. These images are acquired in ascending orbit. Where the line of sight is far, this means the ground moves eastward (or is prone to subsidence) and hence far from the satellite. When it is near, however, this means the ground moves westward (or rises) because it moves closer to the satellite . All the PALSAR observation modes are FBS and their offnadir angles are 34.3 degrees. The satellite flight direction is 350.0 degrees and the radar illumination direction is 80.0 degrees.

QuiQuake Main shock No. of earthq. (March, 2011) @QuiQuake Web site http://qq.ghz.geogrid.org/ WMS http://ows.geogrid.org/qqm

Simple WMS Viewer ① 1:200,000-scale geological map, ② S egment map of active faults, ③ ASTER images acquired on March 14 ① ③ ②

Utilization of GEO Grid Contents by Other Portal ALL311 activity operated by NIED ( http://all311.ecom-plat.jp/ ) utilizes GEO Grid and other contents through WMS.

GEO Grid Contents on Google Earth ① Strong ground motion map of main shock (QuiQuake), ② Change detection map by PALSAR images, ③ Crustal deformation by PALSAR InSAR for aftershock (March 19) ① ② ③

Acknowledgements （順不同）

GEO Grid災害タスクフォース〜東日本大震災における活動〜 GIS学会2011

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