Use 。f image data 。f GMS and N。AA in Japan

気象衛星センター 技術報告第32号 1996年11月
Use of image
data of GMS
Isao
and NOAA
in Japan
Kubota
Abstract
In Japan
meteorological
satelliteimage
data are used for operation in real time and
for research in non-real time. Operational
environment
use is for disaster prevention,
preservation, efficiency of commerce
and various industries and convenience
of people's lives. Serveral physical quantities like winds
images
began
and cloud estimated
use is mainly for accuracy
satellite image
and
data,
discovery
and
to remove
description of meteorological
the influence of atmosphere
for the Meteorological
and Tokyo
and clouds. Image
Satellite Center. The
Universities will make
researches
Introduction
used for meteorological purposes in operation and
WEFAX
research bases.
ser-
and SDUSs
routinely.
the Japan
vices GOES
series and NOAA
A weather service company
and METEOSAT
research magazines
ERB
PR
onboard
onboard
include papers
using
NIMBUS,
VTIR
onboard
INSAT
images,
SSM/I
in TRMM,
DMSP,
images
POLDER
onboard
ADEOS
and
TOVS
and
data. Use of image data obtained by GMS
NOAA
as well as vertical sounding
of NOAA
to SDUSs.
were
data
Numbers
estimated
Meteorological
NOAA
are mainly
made
by NEC,
at least of both
stations
1.べVEFAX
(JMA)who re-
making
distributes HRPT
were
NOAA
estimated
companies. A
from
MDUS
and APT
and
data to
receiving systems
NHE
HRPT
and
reports by users to
Agency
SDUS.
to MDUSs
at least of MDUSs
from
via electric companies
equipment
data,
is discussed in the following.
distributes S-VISSR
quested
bers
restrictsthe discussion within the use of GMS
and
theme
simulation study should be
thein receiving stations.
ASTER onboard EOSAMl. But this study
NOAA
it is an important
If
active.
GMS
MOS,
phenomena.
data serving activities by Tohoku
seriesare
TOMS,
by
Receiving stations
InJapan mainly GMS
Some
weather
raise of physical quantities estimated
physical quantities are surface conditions like surface temperature,
welcome
by satellite
to be used for initialization and validation of operational numerical
prediction. Research
how
traffic safety,
and
and
JRC.
APT
supplies
result is shown
use by schools is the largest.
Num-
receiving
by
main
in Table
In addi-
tion, 53% of local public bodies is educational
* Meteorological College
(1996年3月18日受理、受領)
― 17 ―
METEOROLOGICAL
SATELLITE
facilities,and also 17%
CENTER
TECHNICAL
of national government use
offices are research and
educational
NOTE
N0.32
NOVEMBER
by school is 40. And 64% by National govern-
facilities. ment
officesand 100%by Local public bodies are
This means that research and education shares 46% research or educataion.
Also APT use
of APT
are research and educational.
−−
by へNEFAX.
Therefore, 38%
−−
−−
in use of satelliteimage
1996
Table.
Classified satellite utilization stations as of April, 1995
1
HRPT
S-VISSR べ\EFAX
Schools
07
Weather
08
Public service companies
09
Electric power companies
10
Aviation companies
11
Industrial, trading companies
12
Personals
13
Ships*
14
Others
service companies
40
1 9、︶ O
Special corporations
06
OJ
Local public bodies
05
offices
CTj
National government
04
1 0 LO
03
りvl
observatories
1 0 7 0 0 4 2 1 0 0 0 0 4 0 nJ
I
Information media
1 2 0 0 0 4 4 0 0 0 1 0 0 0 91
Weather
02
←
01
APT
2 6 6 7 5 9 0 5 9 1 8 0 1 4 9J
3 6 4 2 2 1 2 1 2 4 3 £U
1 1 り乙 7
Organs
No
0
81
りvl
LO
CD
169
Sum
*Use by ships appears
to compare
GMS
few, but in fact seems
with NOAA
recerving
to be included in industrial and trading companies.
stations, because
the ways
of data
data, weather
Purpose of use
Uses of meteorological
into two
manners:
satellite data are classified
uses in operational
real time and researches
tional use is weather
service
companies,
companies
weather
in non
services in
real time.
service
information
industries,
lives.
Another
ogy,
climatology,
ter prevention,
commerce
data are cloud tracked
of
traffic
and efficiency of
convenience
of
disas-
temperature,
One
conventional
having
−18−
sea
dense in the horizon,
dense in the vertical compared
aerological and surface data.
important
analyses is a typhoon
the location,
prediction
movement
model
future growth. In
diction models,
and/or APT
(by VISSR),
physical quantities observed
for initialization and
weather
HRPT
wind
by satelliteis homogeneously
Use
1. Weather analysisand nowcast
companies
vertical profile of tempera-
feature of such
including
Operational use
aviation
ture and humidity (by HRPT)and
precipitation。
the most
receiving set and system
service com-
Physical quantities obtained by satellite
but is poorly
on meteorol-
problems,
surface
(DA),the
Mari-
weather
media,
aviation
development.
Using S-VISSR, WEFAX,
information
media,
Purposes
Agency
(MSA),
and ships.
use is for researches
education,
Agency
weather
and
envir onmental
panies,
Opera-
service are for disaster prevention,
preservation
offices like the Defense
time Safety
are carried out
but also by national government
JMA,
by
and fishery organization.
safety, environment
various
analysis and nowcast
not only by JMA,
It is hard
collection are different.
wind
and
validation
is another
numerical
estimated
with
One
of
analysis
intensity.
of numerical
utilization
weather
pre-
by cloud movement
気象衛星センター 技術報告第32号 1996年11月
and
humidity
estimated
by clouds
are used
to get
3. Sea ice
the initial field and cloud distributions are used for
JMA and MSA
produce sea ice distributionsin the
the validation。
Sea of Okhotsk
every 5 days using GMS,
Most
newspapers
images
of GMS
and evening
movies
publish
around
Japan
editions.
of GMS
the latest infrared
Most
in both the morning
TV
LANDSAT
and MOS
NOAA,
satelliteimages,
aircraft
data and etc∧We can discriminate sea ice from
stations broadcast
cloud because sea ices are stationary while clouds
around
are mobile.
infrared images
Japan
sev-
eral times a day。
べA^hen aircraft are going
coverage
and/or
area
aviation
METEOSAT
munication
companies
images
satellites. Such
べA/'eatherNews
going
to fly out of the GMS
IC,
transmitted
When
from
GMS
via com-
amount
warned
to occur due
upper
atmosphere.
ships are
ozone
amount
area
Satellite Center
coverage
NOAA
ozone
Decreasing trend of ozone over the earth is
operation is carried by
to sail out of the GMS
ofべA^EFAX from
will use GOES
for example.
ships will use APT
4. Total
the
satellites instead
amount
maps
to freon gas increase
So in order
around
Japan,
(MSC)
made
in the
to monitor
the
the Meteorological
produces total
by using NOAA
ozone
TOYS
data.
series.
5. Volcanic ash detection plan by Volcanic Ash
2. Sea surface temperature
JMA
Advisory Center
analyzes and publishes 10 day-mean
sea surface temperature (SST)
data measured
global
using conventional
by ships and buoys, referring one
day- and 5 day-mean
SST
estimated by GMS
The
plan is to report the area of volcanic ash
cloud using the analysis of GMS
images
and the
results of numerical prediction model.
data
Research
use
in the eastern Indian and western Pacific oceans,
and an instant SST
around Japan.
estimated by NOAA
AVHRR
Marine observatories in JMA
lish 10 day-mean
SST regional maps
mixing ships, buoys and NOAA
A public service company
makes
SST
AVHRR
estimated by NOAA
Uses
pub-
analyzed by
AVHRR
SST。
an instantaneous
around
Japan
for fishery.
for researches
published in Journals
Technical
and
the
Societies
used
for
ety
of
“Journal
Meteorological
Soci- <Bimonthly〉
Japan”
“Tenki
“Umi
the
(Weather)” <Monthly〉
to
Sora
of
(Sea
and
papers
societies
The
in Table
2.
Numbers
of papers using GMS
Journals
period is during
images
images
are shown
1991
to 1995.
are shown
in
and TOVSs
in Table 4.
statistics
“Journal” <lssue〉
of
of MSC.
The
from
satellite data ,and in
Table 3 and those using NOAA
2 Journals
“Journal
Note
studied
of several academic
interested in meteorological
are shown
Table.
were
Society
The MeteorologicalSociety of Japan.
The MeteorologicalSociety of Japan.
Sky)” <Quarterly〉
Oceanography” <Bimonthly〉
−19−
The Marine Meteorological Society of
Japan.
The Oceanographic Society of Japan.
METEOROLOGICAL
SATELLITE
“Umi no Kenkyu
Ocean)”
CENTER
TECHNICAL
NOTE
N0.32
N OVEMBER
The Oceanographic
(Research of 〈Bimonthly〉
1996
Society of Japan.
“Sora to Umi (Sky and Sea)” <Annua1〉
The Society of Airborne & SatellitePhysical & Fishery Oceanography.
“Jurnal of the Remote
ciety of Japan”
The Remote
“Technical
Common
NOAA
themes
<Semiannual〉
of researches
using
GMS
of surface conditions,
of databases
by Tohoku
will support
researchers.
Support
amount.
and
Tokyo
Center
every hour over the wide area covering the East
Asia and West Pacific.
Themes
NOAA
Universities
GMS
by AVHRR
image
of researches carried using only by
data are estimations of total ozone amount.
Researches about estimation of surface conditions
Meteorological
will provide
Meteorological SatelliteCenter.
and
Introductions
(Also,
Sensing Society of Japan.
esti-
of physical quantities like aerosols, precip-
itation, precipitable water
Business
Soc- <Quarterly〉
Note”
are estimations
mations
Sensing
images
are much
more frequent than by GMS
because split window
spectral bands
are
data to not only private sides but universities.)
available in AVHRR
Themes
images. In order to investigate the surface condi-
of researches
are estimations
carried
of cloud
only by GMS
driven
winds,
tion and validation of numerical
models.
logical
GMS
Descriptions
phenomena
images
and
are
because
Table. 3 Numbers
weather
discoveries
mainly
they
tion, how to detect the atmospheric effectbecomes
the main theme.
The
with the splitwindow
using
on-orbit GMS-5
equipped
and water vapor channels as
well as the visiblechannel started the operation on
provided
June 21,1995.
of papers in Table 2 through 1991 to 1995 in which
use GMS
image
Theme
a.Imager
through -4
prediction
of meteoro-
stably
but not in GMS-1
initializa-
performed
are
data
data
Number
4
navigation
b. Detect of aerosols
11
Dustcloud
Totalaerosol
2
VolcanicAsh
c. Estimation of surface condition
3
Solarradiation at the surface
d. Estimation of physical quantities
I り乙
Outgoinglong wave radiation
Precipitation
Clouddriven wind
2
e. Relation between clouds and meteorological phenomena
meteorologicalphenomena
LO
1
Typhoon and tropical cyclone
I>
Tropicalconvective system
。︱I
Cloudphysics
4■I
へ/Vinter
cyclones and convergence zone in Japan Sea
aU 1
Summer monsoon
including discovering new
or Baiu front
Diurnalvariation of Cb cluster
I I
ぺA^arm
front
Severestorm
11
Cyclone
Couplingdevelopment
of extratropical cyclones
1 11
Meso-scale disturbance
一
Polarlow
20−
気象衛星センター 技術報告第32号 1996年11月
Shear
l ine
1
f . Various forms of clouds
II
Fog
Taperingcloud
1 9vl
S. Simulation of images
h. Initializationof numerical weather prediction
i . Validation of simulation
j . Satellitedatabase
2
← り乙 7
ro
Institute
of Industrial Science, University of Tokyo
MeteorologicalSatelliteCenter
sum
Table. 4 Numbers
of papers in Table 2 through 1991 to 1995 in which
use TOYS
and AVHRR.
Theme
Number
田 Estimation of physical quantities by TOYS
I り乙
Radiativeforcing
Totalozone amount
(2)Useof AVHRR
り/︰︼り/︰一
a. Geometoric
correction
b. Detect of aerosolos
c . Estimation of surface conditions
4 1
Atmospheric effect to estimate surface conditions
Cloud-detectionalgorithm
O り/︰︼
I
Seasurface temperature
I り乙
Landsurface temperature
Seaice
Snow area detection
Fogarea detection by APT
1
d. Estimation of physical quantities
1 9乙
Precipitation
Precipitable
water amount
e. Japan Image
by splitwindow
Database
and Oceanic Studies in the Tohoku
CIU gJ
TheCenter for Atomosphere
University
Institute
of Industrial Science, University of Tokyo
sum
EOSAM:
Abberviation
40
Earth Observation System
GOES:
G eostationary
ADEOS:
ADvanced
APT:Automatic
ASTER:
Advanced
Earth Observing Satellite
Thermal
Operational Environmental
Satellite
Picture Transmission
Spaceborne
AM
GMS:Geostationary Meteorological Satellite
Emission
and Reflection Radiometer
HRPT:H汝hResolution Picture Transmission
INSAT:
Indian National Satellite
AVHRR: Advanced Very High Resolution
MDUS:
Radiometer
METEOSAT:
Meteorological Satellite
DMSP:
MOS:Marine observation Satellite
Defense Force Meteorological Satellite
Program
Medium
scale Data Acquisition Station
一
POLDER:
POLarization
21−
and Directionality of the
METEOROLOGICAL
SATELLITE
CENTER
TECHNICAL
NOTE
N0.32
NOVEMBER
1996
Earth's Reflectance
Acknowledgement
PR:Precipitation Radar
SDUS:
The author is indebted to the Office of Meteoro-
Small scale Data Acquisition Station
logical SatellitePlanning for the list of MDUS
SSM/I: Special Sensor Microwave/Imager
S-VISSR:
and SDUS,
Stretched Visible and Infrared Spin Scan
MSC
Radiometer
TOVS:
T iros operational Vertical Sounder
TRMM:
Tropical Rainfall Measuring
vTIR:
Visible and Thermal
the Communication
Department
for the list of HRPT
and APT
receiving
stations, and thanks Mr.
Nobuyoshi
Shimizu,
Director of Data Processing Department
Mission
for hisalot of comments
Infrared Radiometer
of MSC
reading this manuscript
日本におけるGMSとNOAAの画像データ利用
久保田 効*
日本では、気象衛星画像データは即時的な業務的利用と非即時的な研究的利用に供されてい
る。業務的利用の目的は主に防災、交通安全、産業や商業の効率性向上、一般生活の利便性向上
等が挙げられる。衛星画像より見積もられた風や湿度のような物理量が数値予報の初期値や検証
悟に使い始められた。研究的利用は主に衛星画像から推定される物理量の精度向上および気象学
的現象の発見や記述である。もし、物理量が海面温度のような地球表面の性質ならば、大気や雲
の影響をいかに取り除くかが重要なテーマとなる。画像シミュレイションの研究は衛星センター
にとって飲迎すべきであろう。東北大や東大によるデータ画像の供給活動は研究を活発にするだ
ろう。
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of
22−