[S-TT50] Synthetic Aperture Radar and its application

convener:Yohei Kinoshita(University of Tsukuba), Yu Morishita(Geospatial Information Authority of Japan), Shoko Kobayashi(Tamagawa University), Takahiro Abe(Earth Observation Research Center, Japan Aerospace Exploration Agency)

ALOS-2 and Sentinel-1, which have highly enhanced capacity compared to previous SAR satellites, were launched in 2014, and their utilization has been widely expanding as data have accumulated for approximately five years. Other long-operating SAR satellites like TerraSAR-X and Cosmo-SkyMed also contribute to expanding the SAR utilization. Now we are facing a new and abundant era of the satellite SAR, along with a worldwide trend to an open and free data policy of satellite data, under the situation of next-generation advanced and/or constellated SAR satellite plans by both public agencies (e.g. ALOS-4 and NISAR) and private sectors. In addition, SAR technologies with other platforms, such as ground-based SAR with high temporal resolution and UAV (Unmanned Aerial Vehicle) SAR with flexible operability, have also been developed and used for various targets. These facts indicate that the SAR utilization has become widespread in both basic researches (e.g., earth science) and diverse applications (e.g., disaster prevention and forest monitoring). In this session, we would like to invite various kinds of research and application results with regard to SAR, sharing our knowledge and having a discussion for the advancement of the SAR utilization.

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Introduction (9:00 AM - 9:15 AM)

[STT50-01] Trial of deforestation detection accuracies improvement for JJ-FAST algorithm by using deep learning.

*Manabu Watanabe¹, Christian Naohide koyama¹, Masato Hayashi², Isumi Nagatani², Takeo Tadono², Masanobu Shimada¹ (1.School of Science and Engineering, Tokyo denki university, 2.JAXA/EORC)

[STT50-02] Changes in surface conditions and permafrost environment of a summit area of the Daisetsu Mountains, Hokkaido, Japan

*Go Iwahana¹, Toshio Sone², Masao Uchida³, Tokuta Yokohata³ (1.International Arctic Research Center, University of Alaska Fairbanks, 2.Institute of Low Temperature Science, Hokkaido University, 3.National Institute for Environmental Studies)

[STT50-03] Determination of the dipping direction of a blind reverse fault from InSAR: Case study on the 2017 Sefid Sang earthquake, Northeastern Iran

*Nematollah Ghayournajarkar¹, Yo Fukushima² (1.Graduate School of Science, Tohoku University, 2.International Research Institute of Disaster Science, Tohoku University)

[STT50-04] DefVolc: Interface and web service for fast computation of volcano displacement

*Valerie Cayol¹, Farshid Dabaghi², Yo Fukushima³, Marine Tridon¹, Delphine Smittarello⁴, Olivier Bodart², Jean-Luc Froger¹ (1.CNRS, UCA, LMV, OPGC, IRD, Clermont-Ferrand, France, 2.UdL, ICJ, Saint-Etienne, France, 3.IRIDeS, TU, Tohoku, Japan, 4.UGA, USMB, CNRS, IRD,IFSTTAR, ISTerre, Grenoble, France)

Discussion (10:15 AM - 10:30 AM)