Alos mission requirement and sensor specifications Original Research Article

Advanced Land Observing Satellite (ALOS) is an advanced remote sensing satellite of the mission dedicated for the global high resolution earth observation, with compatibility of high resolution and wide swath width observation, and simultaneous observation of three-dimensional land topography, two-dimensional spectral images and geodetic land surface deformation. This paper introduces ALOS mission requirement and corresponding sensor specifications and further potential of data utilization. ALOS will provide global high spatial resolution earth observation data sets from three remote sensing instruments. PRISM (Panchromatic Remote-sensing Instrument for Stereo Mapping); AVNIR-2 (Advanced Visible and Near Infrared Radiometer type 2) and PALSAR (Phased Array type L-band Synthetic Aperture Radar), for the generation of a spatial information infrastructure applicable to the geographic information system (GIS) useful to the various kind of applications.