ALOS PRISM Data
Entry ID: alos_prism

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Summary
Abstract: The Panchromatic Remote-sensing Instrument for Stereo Mapping (PRISM) is a panchromatic radiometer with 2.5m spatial resolution at nadir. Its extracted data will provide a highly accurate digital surface model (DSM). PRISM has three independent optical systems for viewing nadir, forward and backward producing a stereoscopic image along the satellite's track. Each telescope consists of three mirrors and several CCD detectors for push-broom scanning. The nadir-viewing telescope covers a width of 70km; forward and backward telescopes cover 35km each. The telescopes are installed on the sides of the optical bench with precise temperature control. Forward and backward telescopes are inclined +24 and -24 degrees from nadir to realize a base-to-height ratio of 1.0. PRISM's wide field of view (FOV) provides three fully overlapped stereo (triplet) images of a 35km width without mechanical scanning or yaw steering of the satellite. Without this wide FOV, forward, nadir, and backward images would not overlap each other due to the Earth's rotation.--------------------------------PRISM Characteristics --------------------------------Number of Bands 1 (Panchromatic) Wavelength 0.52 to 0.77 micrometers Number of Optics 3 (Nadir; Forward; Backward) Base-to-Height ratio 1.0 (between Forward and Backward view) Spatial Resolution 2.5m (at Nadir) Swath Width 70km (Nadir only) / 35km (Triplet mode) S/N >70 MTF >0.2 Number of Detectors 28000 / band (Swath Width 70km)14000 / band (Swath Width 35km) Pointing Angle -1.5 to +1.5 degrees(Triplet Mode, Cross-track direction) Bit Length 8 bits Observation Modes: Mode 1 Triplet observation mode using Forward, Nadir, and Backwardviews (Swath width is 35km)Mode 2 Nadir (70km) + Backward (35km) Mode 3 Nadir (70km) Mode 4 Nadir (35km) + Forward (35km) Mode 5 Nadir (35km) + Backward (35km) Mode 6 Forward (35km) + Backward (35km) Mode 7 Nadir (35km) Mode 8 Forward (35km) Mode 9 Backward (35km)

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Link: GET DATA


Link: GET DATA
Description: Sample Data


Geographic Coverage
 N: 90.0 S: -90.0  E: 180.0  W: -180.0

Data Set Citation
Dataset Originator/Creator: JAXA
Dataset Title: ALOS PRISM Data
Dataset Release Date: 2006-05-16
Version: Latest Version


Temporal Coverage
Start Date: 2006-05-16
Stop Date: 2011-04-22


Location Keywords
GEOGRAPHIC REGION > GLOBAL
GEOGRAPHIC REGION > GLOBAL LAND
VERTICAL LOCATION > LAND SURFACE


Data Resolution
Latitude Resolution: 2.5m
Longitude Resolution: 2.5m


Science Keywords
LAND SURFACE >LAND USE/LAND COVER >LAND COVER    [Definition]
LAND SURFACE >LAND USE/LAND COVER >LAND RESOURCES    [Definition]
LAND SURFACE >LAND USE/LAND COVER >LAND USE CLASSES    [Definition]
LAND SURFACE >TOPOGRAPHY >CONTOURS    [Definition]
LAND SURFACE >TOPOGRAPHY >LANDFORMS    [Definition]
LAND SURFACE >TOPOGRAPHY >TOPOGRAPHICAL RELIEF    [Definition]
LAND SURFACE >TOPOGRAPHY >TERRAIN ELEVATION    [Definition]
SPECTRAL/ENGINEERING >VISIBLE WAVELENGTHS >VISIBLE IMAGERY    [Definition]


ISO Topic Category
GEOSCIENTIFIC INFORMATION
IMAGERY/BASE MAPS/EARTH COVER


Platform
ALOS >Advanced Land Observing Satellite    [Information]


Instrument
PRISM >Panchromatic Remote-sensing Instrument for Stereo Mapping    [Information]


Keywords
EOC
NASDA
JAXA
JAPAN
ALOS
PRISM
LAND
MAP
DEM
DISASTER
REMOTE SENSING
SATELLITE
Land Surface Imaging


Originating Center
JAXA


Data Center
Earth Observation Center, Japan Aerospace Exploration Agency, Japan    [Information]
Data Center URL: http://www.eorc.jaxa.jp/en/index.html

Data Center Personnel
Name: JAXA EOC USER SERVICES
Phone: +81-49-298-1262
Fax: N/A
Email: orderdesk at eoc.jaxa.jp
Contact Address:
Japan Aerospace Exploration Agency (JAXA)
Earth Observation Center
City: 1401 NUMANOUE OHASHI HATOYAMA-MACHI
Province or State: HIKI-GUN SAITAMA-KEN
Postal Code: 350-0302
Country: JAPAN



Distribution
Distribution_Media: CD-R

Distribution_Media: DVD-R

Distribution_Media: Online Download



Creation and Review Dates
DIF Creation Date: 2012-08-21
Last DIF Revision Date: 2012-09-10

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