1. JMA Agency Report 2017
Arata Okuyama, Masaya Takahashi and Hidehiko Murata
Meteorological Satellite Center, Japan Meteorological Agency

2. Presentation Overview
GSICS Activities, Action & Progress Summary
Support to GDWG Activities
Support to GRWG Activities
Instruments Updates – AHI on Himawari-8/-9
Introduce/Confirm the Agency’s Personnel supporting GSICS
GSICS activities to be discussed in this joint meeting.

3. JMA GSICS Activities & Progress Summary
Current GSICS activities
Implementation of GSICS inter-calibration methods to Himawari-8/AHI
Preparation for submitting VNIR/IR inter-calibration products to GPPA
Notable progress after 2016 Annual Meeting
Collaboration on AHI/ABI calibration (incl. on-board calibration) with NOAA ABI calibration team
Study on Himawari-8/AHI lunar calibration in collaboration with EUMETSAT and USGS
Himawari-9/AHI Cal/Val during In-Orbit Testing (shown in later slides)

4. Statuses of Major Actions
GRWG
GRWG_15.47
JMA to investigate and provide a report on the uncertainty analysis to support progress to Pre-Operational mode.
Delayed
GIR o.1
Arata to check how the cold end corrections are behaving using AIRS.
To be closed this week
GIR o.2
Arata to use the various regression methods for both radiance and brightness temperatures and process the corrections as derived from AIRS and report back.
GDWG
GDWG b.1
JMA to include invalid_hours in the agreed conventions once the time format has been checked that it follows ISO 8601 format.
Delayed
GDWG c.4
JMA to provide on Wiki example landing pages; current and past satellites.
Closed
GDWG g.1
GDWG chair (Masaya) to update wiki with the new product template.
GDWG g.2
JMA to investigate the impact enhancement data model, use of grouping (create an example - available in java or other in C/Fortran).

5. Support to GDWG Activities
Summary of the tasks of JMA’s supports in the GDWG.
Coordinating/developing the specification of GSICS deliverable formats and tools as a “bridge” between GRWG/GDWG.
Reviewing/validating GSICS deliverables.
Member: Masaya Takahashi (co-chair)
Issues
1 person-month / year contribution (at least) is required in GDWG ToR; most of the term has been spent for the Annual Meeting and EP Meeting.
Difficult to spend more time for GDWG activities because the member is also involved with GRWG.

6. Support to GRWG Activities
Summary of the tasks of JMA’s supports in the GRWG
Implementing VNIR/IR inter-calibration methods to JMA’s GEO imagers
Himawari-8, -9 /AHI, MTSAT-2/Imager, MTSAT-1R/JAMI
Developing/investigating new Cal/Val approaches
Lunar calibration, vicarious calibration using RTM, GEO-GEO inter-comparison
Developing inter-calibration algorithms for heritage GEO imagers (GMS-1 to -5/VISSR) in a framework of SCOPE-CM IOGEO project
Member
Arata Okuyama, Hidehiko Murata and Masaya Takahashi
Issues
Time is needed for a newcomer to start up GSICS activities
Arata will leave GSICS at the end of this month…

7. Instruments Updates Himawari-9 Himawari-8
Has been operational since July 2015.
Himawari-9
Launched on 2 Nov
Same VIS/IR imager (AHI) as that on-board Himawari-8.
Put into in-orbit standby as back up for Himawari-8 on 10 March 2017.
JMA has been collaborating with NOAA, EUMETSAT and GSICS members in AHI Cal/Val.
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
MTSAT-2
Meteorological Mission
Himawari-8
Himawari-9
In-orbit standby
Manufacturing
Launch
Operational

8. Validation of VNIR calibration
Validation results
Good agreement between two validation approaches except for 0.51/0.86 μm
Himawari-9: ~6% brighter/darker than Himawari-8 in 0.47/1.6 μm, within 2% in other bands
Ray-matching w/ S-NPP/VIIRS Vicarious calibration using RTM
AHI w.r.t VIIRS reflectance [%]
AHI w.r.t Simulated reflectance [%]
Calibration slope
Himawari-9: pre-launch determined value
Himawari-8: value derived from solar diffuser observation Mar-May 2015
Himawari-8/AHI
Himawari-9/AHI
Himawari-8/AHI
Himawari-9/AHI
14-28 Feb. 2017
14-28 Feb. 2017
[μm] [μm]

9. Stats from 14-28 Feb. 2017, at standard scene
Metop-A/IASI
Metop-B/IASI
Aqua/AIRS
S-NPP/CrIS
IR Inter-calibration
Himawari-8/AHI Himawari-9/AHI
1.0 [K]
3.9 μm
6.2 μm
3.9 μm
6.2 μm
-1.0 [K]
6.9 μm
7.3 μm
6.9 μm
7.3 μm
8.6 μm
9.6 μm
8.6 μm
9.6 μm
10.4 μm
11.2 μm
10.4 μm
11.2 μm
Stats from Feb. 2017, at standard scene
12.4 μm
13.3 μm
12.4 μm
13.3 μm
[UTC]

10. JMA’s Personnel supporting GSICS
GRWG
Arata Okuyama (and his successor)
VNIR vicarious calibration using RTM and LEO observations
Lunar calibration based on radiance approach
Masaya Takahashi
IR inter-calibration
Lunar calibration using GIRO (incl. developing inter-calibration method in collaboration w/ EUM)
VNIR inter-calibration based on DCC and Ray-matching approach
Hidehiko Murata
GEO-GEO inter-comparison, which could be linked to future GEO-GEO/GEO-LEO blending product
GDWG
Keep current contribution to GDWG activities
Others
Tasuku Tabata
1-year visiting scientist at EUMETSAT Climate team, starting from 23 Mar (this Wednesday!)
Inter-calibration of heritage GEO imagers within a framework of SCOPE-CM/IOGEO

11. JMA GSICS activities to be discussed in this joint meeting
GRWG
IR: developing GSICS products for GEO imager; strong interests on diurnal calibration variation [7be]
VNIR: lunar calibration [8d]
GDWG
Requirements for GSICS Plotting Tool to support VIS/NIR products [3m, 6c]
Future products - VNIR+IR in one GSICS Correction [3m, 6f]
Spectral Response Function netCDF towards “GSICS Standard netCDF [3o, 5e]

12. Thank you for your attention
WMO GSICS Portal
GSICS Coordination Centre
GSICS Product Catalog
GSICS Wiki