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ALOS Daichi Status Update

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Title: ALOS Daichi Status Update


1
ALOS (Daichi) Status Update
January 23, 2007 23rd APAN Meeting Manila, the
Philippines
JAXA/EORC Isao Nakanishi
2
Contents
  • 1. History of operations
  • 2. Milestones of ALOS operations
  • 3. Outline of ALOS
  • 4. Results of Initial Cal/Val Phase
  • 5. Sample Images
  • 6. Data Distribution and Utilization of APAN
    network
  • 7. Usefull Homepages

3
1. History of operations
  • (1) Launch (January 24, 2006)
  • ALOS (Daichi) was launched on January 24, 2006
    (JST) onboard H-IIA Launch Vehicle No. 8 from the
    Tanegashima Space Center successfully.

ALOS Advanced Land Observing Satellite
4
1. History of operations
  • (2) Initial Check-out Phase (January 24 May 15,
    2006)
  • - Solar array panels, antenna of the Phased
    Array type L-band Synthetic Aperture Radar
    (PALSAR), etc. were deployed.
  • - Satellite bus system and mission instruments,
    and ground system were checked out.

ALOS on orbit (Artists Concept)
5
1. History of operations
  • (3) Initial Calibration and Validation Phase (May
    15 October 23, 2006)
  • - Validation of image accuracy and processing
    algorithms were carried out including parameter
    tuning for calibration.
  • - Validation of functions of the ground data
    receiving and processing systems.
  • (4) Confirmation Meeting for completion of
    Initial Calibration and Validation Phase (October
    23, 2006)
  • - Inauguration of Routine Observation Phase and
    Distribution of JAXAs Standard Products to the
    public were reviewed together with the
    cooperative development organisation, data
    utilization demonstration agencies, PIs (Primary
    Investigators) and the data distributor.

6
1. History of operations
  • (5) Routine Observation Phase (Oct. 24, 2006 - )
  • - JAXAs Standard Product Distribution to the
    public was started.
  • Data distributors in Asia
  • - Remote Sensing Technology Center of Japan
    (RESTEC)
  • (http//www.restec.or.jp/)
  • - Geo-Informatics and Space Technology
    Development Agency (GISTDA) or the regional data
    distributors designated by GISTDA
  • (http//www.gistda.or.th/Gistda/HtmlGistd
    a/Html/index2.htm)
  • - Earth Remote Sensing Data Analysis Center
    (ERSDAC) (only PALSAR data)
  • (http//www.ersdac.or.jp/)
  • Data distributors except for Asia
  • - Regional data distributors that the Data
    Nodes designated
  • - ERSDAC (only PALSAR data)
  • Data distribution to Sentinel Asia has begun.
  • Sentinel Asia is an activity that shares
    disaster-related information such as images
    acquired by earth observation satellites in order
    to contribute to disaster management in the
    Asia-Pacific region. It is jointly promoted by
    space organizations such as JAXA and disaster
    related organizations in Asia, as well as by Keio
    University.

7
1. History of operations
  • (5) Routine Observation Phase (Oct. 24, 2006 - )
  • - Level 0 data distribution to the Data Node
    organizations was started.
  • - December 7 -18 Observation operation was
    halted against the solar flare and the following
    malfunction of the DRC antenna.
  • - November 14 -17 Exercise Test 1 for
    International Charter Space and Major Disaster
  • - December 11 13 Exercise Test 2
  • - February 2007 JAXA will officially be the
    operational member for International Charter
    Space and Major Disaster.

8
2. Milestones of ALOS operations

2006
2009

Jan Feb Mar Apr May Jun Jul Aug Sep Oct
Nov Dec Jan Feb Mar
Jan Feb
Launch (1/24)
Initial Checkout Completion Review (5/15)
Initial Cal/Val Completion Confirmation Meeting
(10/23)
On-orbit Technology Evaluation and Routine
Cal/Val Result Report Meeting 1 (3/E)
Initial Checkout
Initial Cal/Val
Distribution of non-cal data (to development
partners, cooperating data utilizing agencies,
research applicants from the public, etc.)
Routine Observation
Distribution of calibrated data to the public
(10/24)
Observation at the Cal/Val sites
Global Observation with 3 sensors


Emergency Observations
9
AVNIR-2 (Advanced Visible and Near Infrared
Radiometer type-2)
10
Characteristics of ALOS
11
(No Transcript)
12
(No Transcript)
13
(No Transcript)
14
ALOS Data Flow
15
4. Results of Initial Calibration and Validation
Phase (Details)
JAXA
(1) Evaluation of Satellite System The bus
system and sensor system of ALOS (Daichi) were
checked out. It was confirmed that their basic
functions and performance were good. (2)
Evaluation of Observed Images and Image
Processing Image accuracy and image processing
algorithms were evaluated by the Cal/Val team (a
total of 37 domestic and overseas members)
including experts from the data utilization
demonstration organizations. About 160
calibration and validation sites dispersed over
the world were involved in this verification.
(3) Evaluation of Ground System It was
verified that ground system for data receiving,
processing, and analysis satisfied the expected
functions and performance. Also, a long term
observation plan was developed by taking
requirements from users (e.g. the Geographical
Survey Institute) into account. In the future
this observation plan will be reviewed in the
mission operation meetings (including
participation by users) twice a year.
16
4. Results of Initial Cal/Val Phase (Details)
Activities except for JAXA
(1) ALOS Data Nodes have been successfully
equipped with data receiving and processing
systems. ALOS Data Nodes The mechanism to
process and provide data in 4 node regions by
dividing the world into four regions. (2) Data
distribution was started by the data
distributors. (3) The data utilization
demonstration organizations have been
successfully equipped with data processing
systems.
Summary
Based on the results of the evaluation,
transition from the Initial Cal/Val Phase to the
Routine Observation Phase were performed on
October 24, 2006. In addition to planned
activities during the Initial Cal/Val Phase,
image archiving was started and some emergency
observations were implemented to contribute to
disaster related organizations.
17
4. Results of Initial Cal/Val Phase (Details)
Results of the Evaluation
Numerical Target of Major Evaluated Items
  • Functions and Performances of Bus System
  • Satisfy the specification.

Evaluated Items
Electric power more than 7 KW (Daytime EOL) ,
Attitude control accuracy 0.1 degree , Data
Record/Transmit Rate 240Mbps via Data Relay
Satellite and 120Mbps via Direct Transmission
( Data loss by lock off in direct transmission
mode less than 0.1 )
  • Functions and Performances of Sensor Systems
  • Satisfy the specification.

PRISM data Resolution2.5m, Swath width35km,
Triplet pointing function , AVNIR-2 data
Resolution10m, Swath width not less than 70km,
Pointing function , PALSAR data
Resolution10m/100m, Swath width70km/350km,
Pointing function
  • Satisfy the specification.
  • Data Processing 60 scenes/day/sensor
  • Ready
  • Data Distribution to Data Nodes, Public users,
    etc.

18
Cal/Val Sites
4. Results of Initial Cal/Val Phase (Details)
PRISM, AVNIR-2
PALSAR
19
Global Coverage and Emergency Observation
4. Results of Initial Cal/Val Phase (Details)
In parallel with activities for the Verification
of Operation phase, the following observations
were made to start image archiving and to
contribute to disaster related organizations.
  • Global Observation
  • Before the Routine Operation Phase, wide area
    observation was carried out using 3 sensors. More
    than 400,000 scenes were acquired in total that
    cover almost the entire global land area.

PRISM approx. 180,000 scenes
PALSAR approx. 150,000 scenes
AVNIR-2 approx. 70,000 scenes
  • Emergency Observations
  • Emergency observations and data distribution
    were implemented based on requests from domestic
    disaster related organizations, the International
    Charter "Space and Major Disasters," Sentinel
    Asia member organizations, etc.
  • - Tsunami on Java Island, Indonesia
  • - Flood in ChoeleChoel, Argentina
  • - Oil-spill in Paney Bay, Philippines
  • - Landslide in Kagoshima, Japan
  • - Driftwood offshore of Fukuoka, Japan etc.

20
5.Sample Images
Emergency Observations
Estimated tanker oil-spill off Guimaras Island in
Philippines
Polarimetry image (HH, Red HV, Green VV, blue)
ScanSAR image
21
5.Sample Images
Emergency Observations
Mudslides near Mayon Volcano
Dec. 3, 2006 by AVNIR-2
Dec. 3, 2006 by PALSAR (ScanSAR Mode )
22
5.Sample Images
Detection of a rise around Kilauea caldera,
Hawaii Island
PALSAR May 2, 2006 August 2, 2006
23
5.Sample Images
Seen from Space
Mt. St. Helens by AVNIR-2 2006.10.11
by VNIR 1995.8.3
Mt. St. Helens, Washington, U.S.A. had a major
eruption in May 1980.
24
5.Sample Images
Seen from Space
Mt. Pinatubo
July 5, 1991 by MESSR
Oct. 31, 1990 by MESSR
Mt. Pinatubo in the Phillipines had a major
eruption in June 1991.
25
5.Sample Images
Seen from Space
Mt. Pinatubo in the Philippines
Nov. 28, 2006 by AVNIR-2
April 18, 1995 by VNIR
26
5.Sample Images
Seen from Space
Fedchenko Glacier in Tajikistan
by AVNIR-2
By VNIR
27
5.Sample Images
Seen from Space
A part of Fedchenko Glacier melted and
dark-purple glacial lakes appeared in 2006.
28
6.Data Distribution and Utilization of APAN
network Routine data exchange scheme
  • JAXA is receiving global ALOS data via Data Relay
    satellite.
  • JAXA to send the ALOS Level 0 data to each Node
    (Currently media (SONY/DTF-2) shipment.)
  • JAXA and Nodes are discussing to move the High
    Speed (eg. APAN, GEANT) network transfer.
  • Data Volume totally 600GB/day
  • (ESA 146GB/day, ASF 180GB/day, GA 58GB/day,
    GISTDA 61GB/day, other 91GB/day).
  • Each Node to receive the data in 24hours -gt
    necessary STABLE/RELIABLE bandwidth
  • 20Mbps/Node.

29
  • The European and French space agencies (ESA and
    CNES) initiated
  • the International Charter Space and Major
    Disasters in 2000.
  • The Parties and Resources of the Charter as of
    April 2005
  • European Space Agency (ESA)
    ERS, ENVISAT
  • Center National dEtudes Spatiales (CNES)
    SPOT
  • Canadian Space Agency (CSA)
    RADARSAT
  • National Oceanic and Atmospheric
    Administration (NOAA)

  • POES,GOES
  • Indian Space Research Organization (ISRO)
    IRS
  • Comision Nacional de Actividades Espaciales
    (CONAE) SAC-C
  • Japan Aerospace Exploration Agency (JAXA)
    ALOS
  • (joined in February, 2005)

30
Start Here
Requests the images of the hazards.
31
6.Data Distribution and Utilization of APAN
network (Emergency Case)
32
6.Data Distribution and Utilization of APAN
network (Emergency Case)
Sentinel Asia Project Milestones
33
7.Usefull Homepages JAXA/EORCs Seen from Space
34
7.Usefull Homepages JAXA/EORCs ALOS Research
Application Project
http//www.eorc.jaxa.jp/ALOS/index.htm
35
7.Usefull Homepages TRMM Real-Time Monitoring
for Tropical Cyclones
36
7.Usefull Homepages Sentinel Asia
37
7.Usefull Homepages International Charter Space
and Major Disaster
  • Disaster Monitoring Portal

38
7.Usefull Homepages Asian Disaster Reduction
Center
  • Disaster Monitoring Portal

39
7.Usefull Homepages AUIG (ALOS User Interface
Gateway)
40
Summary
I reported ALOS overview and the latest status
and introduced some images observed by ALOS.
For more information please refer to the
following homepages JAXA/EORCs top homepage
http//www.eorc.jaxa.jp/en/index.html
JAXA/EORCs ALOS Research and Analysis Project
homepage http//www.eorc.jaxa.jp/ALOS/index.ht
m
Thank you for your kind attention.
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