Analysis of Coastal Aquaculture Areas Using Alos-2 Palsar-2 Full Polarimetric Data: A Study Case in Hirota Bay, Iwate, Japan

Hiroki Murata, Shuhei Sawayama, Teruhisa Komatsu, Chinatsu Yonezawa

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Marine spatial planning (MSP) has been proposed to facilitate the sustainable use of oceans. To implement MSP in coastal zones, we need to understand the current status of aquaculture, in order to plan for its future. In Japan, coastal aquaculture is based on fishery rights, but it is hard to establish the existing situation as there are so many aquaculture facilities in place. In this study, we used full polarimetric, L-band PALSAR-2 data to identify aquaculture areas. We calculated HH and HV backscattering coefficients, and applied polarimetric decomposition analysis to three-component scattering models. The HV backscattering coefficient successfully discriminated aquaculture areas from the sea surface, while the HH backscattering coefficient was mostly able to discriminate between raft and longline aquaculture areas. The three-component scattering model was then able to discriminate between raft and longline aquaculture types in areas where the HH backscattering coefficient could not. Weather conditions affected the sea surface and therefore influenced the outcomes of our analyses.

Original languageEnglish
Title of host publication2019 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2019 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages3273-3276
Number of pages4
ISBN (Electronic)9781538691540
DOIs
Publication statusPublished - 2019 Jul
Event39th IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2019 - Yokohama, Japan
Duration: 2019 Jul 282019 Aug 2

Publication series

NameInternational Geoscience and Remote Sensing Symposium (IGARSS)

Conference

Conference39th IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2019
CountryJapan
CityYokohama
Period19/7/2819/8/2

Keywords

  • Backscattering coefficient
  • Marine spatial planning (MSP)
  • Polarimetric decomposition

ASJC Scopus subject areas

  • Computer Science Applications
  • Earth and Planetary Sciences(all)

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