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... > Instruments > Earth Remote Sensing Instruments > Passive Remote Sensing > Spectrometers/Radiometers > Imaging Spectrometers/Radiometers > MESSR

Preferred term

MESSR  

Definition

  • A multi-spectral electronic self-scanning radiometer (MESSR) is an electronic-scan-type radiometer which detects reflected solar rays from the earth's surface in two visible bands and two near-infrared bands. It is equipped with two camera systems that are parallel with the direction of flight of the satellite. Each camera system is comprised of two optical units; one for the visible range and the other for the near-infrared range. Each camera system scans a width of 100 km of the earth surface at right angles to the direction of flight of the satellite. When the two systems are used at the same time, a width of 185 km can be scanned. Each has 2048 charge-coupled devices (CCDs) for detection purposes, thus achieving a resolution of 50 m for the earth's surface. --------------------------------------------------------------------------- MESSR --------------------------------------------------------------------------- Wavelength/ micron Frequency 0.51 - 0.59 0.61 - 0.69 0.72 - 0.80 0.80 - 1.10 Resolution 50m Sensitivity/ 39dB SN Swath 100Km Application Fields Band 1 Land: Plant distribution, Snow cover distribution (0.51-0.59) Distribution of volcanic ash, Land usage Ocean: Water quality of coastal sea areas and lakes, Red tide, Geological shape at the bottom of the sea in coastal areas ( with high transmission factor) Band 2 Land: Land usage, Geological structure, Plant (0.61-0.69) distribution, Snow cover distribution, Distribution of volcanic ash Ocean: Water quality of coastal sea areas and lakes, Red tide, Water vortex Band 3 Land: Ground surface water, Moor, Water resources (0.72-0.80) Geological structure, Plant distribution Band 4 Land: Mapping of ground surface water and outer layer (0.80-1.1) composition, Flood areas, Lakes and Ponds, Plant distribution Ocean: Ice distribution, Water boundaries Channel --------------------------------------------------------------------------- The MESSR has flown on the following NASDA satellites: MOS-1, and MOS-1b. _______________ Contributed by: Tasuku Tanaka, Earth Observation Program Office Director, Program Planning and Management Department, National Space Development Agency of Japan Head Office, Hamamatsu-cho, Minato-ku, Tokyo, Japan Takeshi Osugi, Earth Observation Center Director, National Space Development Agency of Japan, Ohashi Hatoyama-machi, Hiki-gun, Saitama pref, Japan Group: Instrument_Details Entry_ID: MESSR Group: Instrument_Identification Instrument_Category: Earth Remote Sensing Instruments Instrument_Class: Passive Remote Sensing Instrument_Type: Spectrometers/Radiometers Instrument_Subtype: Imaging Spectrometers/Radiometers Short_Name: MESSR Long_Name: Multispectral Electronic Self-Scanning Radiometer End_Group Group: Associated_Platforms Short_Name: MOS-1 Short_Name: MOS-1B End_Group Online_Resource: http://www.eorc.jaxa.jp/en/hatoyama/satellite/sendata/messr_e.html End_Group (en)

Broader concept

URI

https://gcmd.earthdata.nasa.gov/kms/concept/7ac6447e-331d-40d5-9118-903222aaed55

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