Proceedings of the Symposium on Global and Environmental Monitoring: Proceedings of the Symposium on Global and Environmental Monitoring

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Persistent identifier:: 856665355

Title:: Proceedings of the Symposium on Global and Environmental Monitoring

Sub title:: techniques and impacts ; September 17 - 21, 1990, Victoria Conference Centre, Victoria, British Columbia, Canada

Year of publication:: 1990

Place of publication:: Victoria, BC

Publisher of the original:: [Verlag nicht ermittelbar]

Identifier (digital):: 856665355

Language:: English

Document type:: Multivolume work

Volume

Persistent identifier:: 856669164

Title:: Proceedings of the Symposium on Global and Environmental Monitoring

Sub title:: techniques and impacts; September 17 - 21, 1990, Victoria Conference Centre, Victoria, British Columbia, Canada

Scope:: XIV, 912 Seiten

Year of publication:: 1990

Place of publication:: Victoria, BC

Publisher of the original:: [Verlag nicht ermittelbar]

Identifier (digital):: 856669164

Illustration:: Illustrationen, Diagramme, Karten

Signature of the source:: ZS 312(28,7,1)

Language:: English

Usage licence:: Attribution 4.0 International (CC BY 4.0)

Editor:: International Society for Photogrammetry and Remote Sensing, Commission of Photographic and Remote Sensing Data

Publisher of the digital copy:: Technische Informationsbibliothek Hannover

Place of publication of the digital copy:: Hannover

Year of publication of the original:: 2016

Document type:: Volume

Collection:: Earth sciences

Chapter

Title:: [THA-1 SECOND PLENARY SESSION]

Document type:: Multivolume work

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Title:: Present and Future of Earth Environmental Monitoring System in Japan. Korehiro Maeda and Osamu Ryuguji

Document type:: Multivolume work

Structure type:: Chapter

Fig.1 Example of deforestation in Thailand. (Landsat MSS Dec.31,1984,M0S-1 MESSR Jan.20,1989) Reds Grass,Bush ► Bare soil Yellow: Forest Bare soil Cvnri! Forest * Grass,Bush 4.FUTURE EARTH ENVIRONMENTAL MONITORING 4.1 JERS-l/ERS-1 System Japanese Earth Resources Satellite-1(JERS-1) will be launched by H-I rocket in Feb.,1992. JERS-1 has two sensors: Synthetic Aperture Radar (SAR) and Optical Sensor (OPS). OPS has 8 bands and is covering from visible, near-infrared and short-wave infrared. Spatial resolution is improved from 50m of MESSR to 18m of OPS.Four bands in short-wave region is useful to detect minerals. By using band 3 (0.76-0.86 p) and 4(0.76-0.86 ^,stereo angle 15.3 degree), stereo scopic capability can be obtained. SAR data is L band HH (transmit horizontal polarization and receive horizontal polarization) and has spatial resolution of 18m (3 looks). European Remote Sensing Satellite-l(ERS-l) will be launched in 1991 and EOC/NASDA will receive and process ERS-1 data. By using JERS-1 and ERS-1, NASDA will conduct verification program and will issue announcement opportunity (AO) for JERS-1 and ERS-1. Concerning JERS-1, AO will be issued to domestic and foreign organizations. Concerning ERS-1, AO will be issued only to domestic organizations. In these verification programs, production of data sets will be more important. Data sets using OPS data and SAR data are promising to distinguish land cover. Moreover,in order to obtain contour line, datasets consisting band 3 and 4 of OPS is useful where stereo angle 15.3 deg and B/H is equal to 0.3. Concerning data sets using ERS-1 and JERS-1,there is combination of L band SAR data of JERS-1 and C band SAR data of ERS-1. By using two frequencies, both land cover and ice type can be discriminated. Since there is one on-board data recorder mounted on JERS-1, any scene in the world can be seen. As an operation plan, SAR data will be obtained once during two years and only VNIR(Visible and Near- infrared radiometer) data of OPS data can be obtained twice during two years for land area and coastal region. Among OPS data.SWIR (Short Wave- Infrared Radiometer) data will be obtained about once during two years. 4.2 ADEOS System ADEOS(ADvanced Earth Observing Satellite) will be launched by H-II rocket in 1995. ADEOS will have two core sensors: OCTS (Ocean Color and Temperature Sensor) and AVNIR (Advanced Visible and Near-Infrared Radiometer) and 6 AO sensors. Among AO sensors, two sensors: NSCAT(NASA scatterometer) and TOMS (Total Ozone Mapping Spectrometer) are provided by Jet Propulsion Laboratory (JPL) and Goodard Space Flight Center (GSFC).NASA,respectively. TOMS is now mounted on Nimbus 7 and plays an important role in detecting ozone hole in antarctica. ILAS (Improved Limb Atmospheric Spectrometer) will be provided by the Environment Agency and will detect ozone around north and south pole. CNES will provide AO sensor POLDER which can observe bidirectionality and polarization of the solar radiation reflected by the atmosphere and can monitor aerozol over ocean. IMG (Interferometric Monitor for Greenhouse Gases) will be provided by MITI and can detect greenhouse gasses such as carbon dioxide. Carbon dioxide is increasing sharply and will have great influence upon the climate in the world. Concerning OCTS, spatial resolution is 700m and swath width is 1400km.OCTS

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