Mission Status Sea Surface Salinity Understanding the Interactions Between the Global Water Cycle , Ocean Circulation and Climate Gary Lagerloef Aquarius Principal Investigator David Le Vine, Deputy PI Yi Chao, Project Scientist 5th International SMOS Workshop: November 29th – December 1st, 2004 ESA-ESRIN, Frascati Italy F. Raúl Colomb SAC-D Principal Investigator
22
Embed
Mission Status Sea Surface Salinity - Earth Onlineearth.esa.int/workshops/smos04/presentations/SMOS_SW5_Aquarius_status.pdf · Mission Status Sea Surface Salinity Understanding the
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Mission StatusSea Surface Salinity
Understanding the Interactions Between the Global Water Cycle, Ocean Circulation and Climate
Gary LagerloefAquarius Principal Investigator
David Le Vine, Deputy PIYi Chao, Project Scientist 5th International SMOS Workshop:
November 29th – December 1st, 2004ESA-ESRIN, Frascati Italy
F. Raúl ColombSAC-D Principal Investigator
Salinity Mapping Satellite Mission:
2 Mission Status 5th International SMOS Workshop,November 29th – December 1st, 2004 ESA-ESRIN, Frascati It
• Aquarius Salinity Microwave Instrument
• Launch Vehicle
• Service Platform and SAC-D Science Instruments
• Mission Operations & Ground System
International Partnership Mission
Salinity Mapping Satellite Mission:
3 Mission Status 5th International SMOS Workshop,November 29th – December 1st, 2004 ESA-ESRIN, Frascati It
14 Mission Status 5th International SMOS Workshop,November 29th – December 1st, 2004 ESA-ESRIN, Frascati It
Observatory
Aquarius Instrument
Service Platform, CONAE & Partner
Instruments
• Science Instruments
NASA Instrument:
- Aquarius
CONAE Instruments:
- Microwave Radiometer (MWR)- High Sensitivity Camera (HSC)- Infra-red Camera (NIRST)- Data Collection System (DCS)- Technological Demonstration Package (TDP)
SAC-D Third Party Instruments:
- ICARE/SODAD (CNES)- ROSA (ASI)
• Service Platform (S/P)Redundant (functional/unit level)
- Deployable Solar Array- 3-axis stabilized
- GPS, Star Tracker, IRU, Inertia Wheels, Torque Rods, Magnetometer, Sun sensors
- Propulsion system & maneuvering thrusters- S- & X-band Communication linkObservatory
Salinity Mapping Satellite Mission:
15 Mission Status 5th International SMOS Workshop,November 29th – December 1st, 2004 ESA-ESRIN, Frascati It
Understanding ocean circulation, global water cycle and climate interaction. Soil Measures over
Argentina
Integrated L-band radiometers (1.413Ghz)
and scatterometer (1.26Ghz)
Three beams: 64 x 70, 72 x 86, 81 x 109 km NASA
MWRPrecipitation rate, winds speed,
sea ice concentration, water vapour, clouds
23.8 and 37 Ghz H and V pol
.Bandwidht: .5 and 1 Ghz
< 40 km CONAE
NIRSTHot spots events, sea surface
temperature measurement
4, 11 and 12 µm Swath: 75 Km Tilt +/- 350 Km
150 meters CONAE
HSC Urban lights, electric storms, polar regions, snow cover
450-900 nm Swath: 700 Km
200-300 meters CONAE
DCS Data Collection System 401.55 Mhz uplink 2 contacts per day with 200 platforms CONAE
ROSA Atmospheric properties GPS Occultation Techniques
Horiz: 300 Km Vert: 300 m ASI
ICARE/SODADEffect of cosmic radiation in
electronic devices, distribution of micro-particles and space debris
I: three fully depleted Si and Si/Li detectors , S: four SMOS sensors;
I: 256 channels spectra, Sensitivity:
0.5 u part. at 10 km/ sec CNES
Technological Demonstration Package
Position, velocity and time determination
Inertial Angular Velocity
GPS Receiver Inertial Reference Unit
20 m, 1m/sec, .2msec ARW: 8*10-3 o/sec/ sqrt h CONAE
Aquarius/SAC-D Instruments Matrix
Summary
Salinity Mapping Satellite Mission:
16 Mission Status 5th International SMOS Workshop,November 29th – December 1st, 2004 ESA-ESRIN, Frascati It
SAC-D ↔ Aquarius Synergy
CONAE Microwave Radiometer (MWR)•23.8 and 36.5 GHz •8 beams overlap Aquarius•Wind, rain, cloud water, sea-ice detection for Aquarius SSS retrievals
CONAE New IR Scanner Technology (NIRST)•75 km swath overlaps Aquarius inner beam•3.8, 11 and 12 µ•Supplementary SST•Primary application is detecting high temperature events (HTEs) over land (fires & volcanic events)
n1p1
p0NIRST
MWR
MWR
Salinity Mapping Satellite Mission:
17 Mission Status 5th International SMOS Workshop,November 29th – December 1st, 2004 ESA-ESRIN, Frascati It
Landsat Image of the Andes Zone, more than 20 fires can be seen
The temperature and effective area affected by fires can be determined by using two IR channels: 3.8 and 11 µ.
Temperature determination can be improved using a third channel in 12 µ.
FIRESNIRST
CONAE NIRST
Salinity Mapping Satellite Mission:
18 Mission Status 5th International SMOS Workshop,November 29th – December 1st, 2004 ESA-ESRIN, Frascati It
Enhanced HSC image (with DEM data)
Fire Detection with HSC
Snow Coverage Fire Detection
CONAE High Sensitivity Camera (HSC)
Salinity Mapping Satellite Mission:
19 Mission Status 5th International SMOS Workshop,November 29th – December 1st, 2004 ESA-ESRIN, Frascati It
GPS Radio Occultation on SAC-C
ROSA (ASI)
SAC-D Instruments
Salinity Mapping Satellite Mission:
20 Mission Status 5th International SMOS Workshop,November 29th – December 1st, 2004 ESA-ESRIN, Frascati It
ICARE/SODAD (CNES)
Results from ICARE on SAC-C
Computer simulation of space debris distribution
SAC-D Instruments
Salinity Mapping Satellite Mission:
21 Mission Status 5th International SMOS Workshop,November 29th – December 1st, 2004 ESA-ESRIN, Frascati It
Risk List & Status
32,4,5
1
1
2
3
4
5
LIKELIHOOD
CONSEQUENCES
54321
Scatterometer on-orbit stability calibration42-25
On-orbit calibration stability verification.11-24
The Aquarius error budget.13-23
Long wave effect on backscatter46-22
Solar maximum brightness temperature correction40-51
Risk TitleAppro
achRiskID
Rank &Trend
New since last Month
Unchanged
Increasing (Worsening)
M - MitigateW - WatchA - AcceptR -Research
Decreasing (Improving)
ApproachLxC Trend**Criticality
High
Med
Low
Salinity Mapping Satellite Mission:
22 Mission Status 5th International SMOS Workshop,November 29th – December 1st, 2004 ESA-ESRIN, Frascati It
Near Term Activity
Aquarius/SAC-D• PDR April-May 2005
• NASA April 26-28, 2005• CONAE May 31-June 2, 2005
Aquarius• MCR – June 28 2005• Bottoms-up salinity error budget reanalysis before PDR• Algorithm simulator tool prior to PDR Solar
contamination assessment by end 2004• Long wave backscatter analysis by end 2004