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Proceedings Paper

Operation of ASTER and its data production
Author(s): Hiroshi Watanabe; Takasi Inada; Kannari Yoshiaki; Akira Miura
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Paper Abstract

ASTER (Advanced Thermal Emission and Reflection Radiometer) was launched on December 19th, 1999, from Vandenberg, California, USA, and has been circulating the Earth on a NASA platform called Terra. After the Initial Checkout Phase, ASTER started the normal operation on September 20th, 2000, and ERSDAC started ASTER data distribution on December 1st, 2000. Data Acquisition by ASTER is quite stable at a daily rate of about 600 scenes. The resulting total number of acquired scenes is 439 thousands scenes as of June 28th, 2002. This number is equivalent to more than ten times the number of scenes covering all the land areas on the earth. ASTER GDS takes an operational sequence in which the observation schedule is updated by using Cloud Prediction Data immediately before the observation. Therefore, this scheduling operation allows us to acquire the data with less cloud cover. All the acquired data are downloaded at NASA and are shipped to ERSDAC via physical media and, for some small number, via network. All the acquired data are processed to Level 1A at ASTER GDS first, and the total number as of June 28th, 2002, is about 352 thousands scenes. Next, Level 1B processing is performed for the data requested by users and the data with less than 20% cloud cover. The total number of Level 1B data is about 80 thousands scenes as of June 28th, 2002.

Paper Details

Date Published: 8 April 2003
PDF: 7 pages
Proc. SPIE 4881, Sensors, Systems, and Next-Generation Satellites VI, (8 April 2003); doi: 10.1117/12.463058
Show Author Affiliations
Hiroshi Watanabe, Earth Remote Sensing Data Analysis Ctr. (Japan)
Takasi Inada, Earth Remote Sensing Data Analysis Ctr. (Japan)
Kannari Yoshiaki, Earth Remote Sensing Data Analysis Ctr. (Japan)
Akira Miura, Earth Remote Sensing Data Analysis Ctr. (Japan)


Published in SPIE Proceedings Vol. 4881:
Sensors, Systems, and Next-Generation Satellites VI
Hiroyuki Fujisada; Joan B. Lurie; Michelle L. Aten; Konradin Weber; Joan B. Lurie; Michelle L. Aten; Konradin Weber, Editor(s)

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