ALOS/PALSAR Data Processing, Archiving and Distributing

JAXA Supercomputer System Annual Report April 2017-March 2018

Report Number: R17ER0100

Subject Category: Space Technology

PDF available here

Responsible Representative: Shin-ichi Sobue, ALOS-2 Project, Space Technology Directorate I
Contact Information: Osamu Ochiai ochiai.osamu@jaxa.jp
Members: Shigeru Iguchi, Hidetoshi Hayasaka, Akiko Otomo, Takashi Goto, Osamu Ochiai, Takashi Asama, Keiko Ishii, Hidenori Sakamoto, Jumpei Tsutsumi, Yukie Nakagawa

Abstract

Process ALOS/PALSAR data to Analysis Ready Data (ARD) and distribute to users.

Reference URL

Please refer to ‘JAXA | Advanced Land Observing Satellite-2 "DAICHI-2" (ALOS-2)‘.

Reasons for using JSS2

In order for enhancing availability of JAXA’s Earth observation data as Open and Free, it is necessary to process the ALOS/PALSAR data to Analysis Ready Data (ARD) and make them available to users as quick as possible.

Achievements of the Year

In this Fiscal Year 2017, a feasibility study on transmitting some sample ALOS/PALSAR Level 0 data from Tsukuba Space Center to JSS2 and also processing the data to Level 1.0 and 1.5 in SORA-PP has successfully conducted.

In next Fiscal Year 2018, whole ALOS/PALSAR Level 0 data (700TB) will be transmitted and processed to Analysis Ready Data (ARD). The ARD will be archived in JSPACE and will be able to retrived and distributed to users.

Fig.1: ALOS/PALSAR Data Processing Archiving and Distributing – System Overview

Fig.2: ALOS/PALSAR Data Processing Archiving and Distributing – Data Interface

Fig.3: ALOS/PALSAR Data Processing Archiving and Distributing – Processing Module

Fig.4: ALOS/PALSAR Data Processing Archiving and Distributing System Overview – Sample Processed Image

Publications

N/A

Usage of JSS2

Computational Information

Process Parallelization Methods: N/A
Thread Parallelization Methods: N/A
Number of Processes: 1
Elapsed Time per Case: 2.00 hours

Resources Used

Fraction of Usage in Total Resources*1(%): 0.00

Details

Please refer to System Configuration of JSS2 for the system configuration and major specifications of JSS2.

Computational Resources
System Name	Amount of Core Time (core x hours)	Fraction of Usage*2(%)
SORA-MA	0.00	0.00
SORA-PP	137.34	0.00
SORA-LM	0.00	0.00
SORA-TPP	0.00	0.00

File System Resources
File System Name	Storage Assigned (GiB)	Fraction of Usage*2(%)
/home	305.18	0.21
/data	11,196.14	0.21
/ltmp	14,648.44	1.10

Archiver Resources
Archiver Name	Storage Used (TiB)	Fraction of Usage*2(%)
J-SPACE	0.26	0.00

*1: Fraction of Usage in Total Resources: Weighted average of three resource types (Computing, File System, and Archiver).

*2: Fraction of Usage：Percentage of usage relative to each resource used in one year.