Atmospheric Environmental Monitoring Simulation

JAXA Supercomputer System Annual Report February 2024-January 2025

Report Number: R24ER2401

Subject Category: Space Technology

Responsible Representative: Riko Oki, Director, JAXA Earth Observation Research Center
Contact Information: Hiroshi Murakami(murakami.hiroshi.eo@jaxa.jp)
Members: Daisuke Goto, Makiko Hashimoto, Hiroshi Murakami

Abstract

This project is aimed at development of an integrated system of numerical modeling and satellite observation of air pollution for its reliable monitoring and prediction. Specially, an atmospheric air pollution transport model (NICAM-Chem) with a data assimilation technique using atmospheric aerosol products retrieved from multiple satellite sensors such as GCOM-C/SGLI and EarthCARE/ATLID is developed for more accurate forecast of air pollution in high-resolution.

Reference URL

N/A

Reasons and benefits of using JAXA Supercomputer System

In the project, we need to conduct numerical simulations and assimilations with higher spatial grid spacings over wide area for reliable monitoring and predictions of air pollutions over the region. This requires us to exploit high performance super computing resources of JAXA Supercomputer System (JSS) available at JAXA.

Achievements of the Year

Due to the huge amount of numerical simulations and assimilation using a global high-resolution model, NICAM-Chem, we planned to use JSS, but we only performed test calculations on a relatively small supercomputer and did not use JSS this fiscal year, so there are no results on JSS.

Publications

N/A

Usage of JSS

Computational Information

Process Parallelization Methods: MPI
Thread Parallelization Methods: Automatic Parallelization
Number of Processes: 1 – 2
Elapsed Time per Case: 0.01 Second(s)

JSS3 Resources Used

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

Details

Please refer to System Configuration of JSS3 for the system configuration and major specifications of JSS3.

Computational Resources
System Name	CPU Resources Used (Core x Hours)	Fraction of Usage*2(%)
TOKI-SORA	0.00	0.00
TOKI-ST	0.00	0.00
TOKI-GP	0.00	0.00
TOKI-XM	0.00	0.00
TOKI-LM	0.00	0.00
TOKI-TST	0.00	0.00
TOKI-TGP	0.00	0.00
TOKI-TLM	0.00	0.00

File System Resources
File System Name	Storage Assigned (GiB)	Fraction of Usage*2(%)
/home	490.00	0.33
/data and /data2	10140.00	0.05
/ssd	0.00	0.00

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

ISV Software Licenses Used

ISV Software Licenses Resources
	ISV Software Licenses Used (Hours)	Fraction of Usage*2(%)
ISV Software Licenses (Total)	0.00	0.00

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