nasa earth science uas mission requirements don sullivan nasa ames research center...
TRANSCRIPT
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NASA Earth Science UAS Mission Requirements
Don Sullivan
NASA Ames Research Center
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Suborbital Science Program
Objectives
•Development of new space sensors and new remote-sensing techniques.
•Satellite calibration/validation.
• Targeted observations of ephemeral phenomena with variable temporal and spatial scales.
•Atmosphere/near-space in-situ observations.
•Improvement and validation of predictive Earth process models using satellite data.
•Next-generation scientists with hands-on sensor hardware and field experiment experience.
Add to the understanding and prediction of the Earth system. Suborbital observations fill time and space gap between surface observing networks and orbital platforms.
Sounding Rocket Program
Balloon Program
Aircraft & UAS Program
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Earth Science Mission Types
• Atmospheric Composition and Chemistry
• Carbon Cycle and Ecosystems
• Climate Change• Water and Energy• Weather• Earth Surface and Interior
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UAS System Capabilities
• High altitude, low altitude, stacked• Long range, long endurance• Varied payloads: remote sensing and in situ sampling• Global missions: poles, equator, remote• Over-the-horizon communications• Collaborative planning, scheduling and tracking,especially for
multiple aircraft operationsBeyond Line of Sight
Line of Sight
Control System
SATCOM Link
A UAV System includes:1. Air Veh icle and payloads2. Communications Architecture3. Command & Control System
User Community
UAV
Enabled by: Autonomous Mission Management, Reliable Flight Systems, NavigationAccurate Systems, Terrain Avoidance, Power and Propulsion
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“Suborbital Science Missions of the Future” Platform Requirements
Altitude vs. Endurance
0
20
40
60
80
100
120
1 10 100 1000
Flight endurance, hours
Max A
ltit
ud
e,
kft
1 day 2 days 3 4 5 7 10 14
Hurricane tracker(500kg)
Pollution tracking(1136kg)
Pollution tracking(900kg)
Weather forecasting(500kg)
Stratospheric ozone(1600kg)Water vapor
(545kg)
Tropospheric ozone(1000kg)
Extreme weather
Fire monitoring(180kg)
Aerosols, cloud and precip(500kg)
Clouds
Hurricane profile
Aerosols and radiation
Clouds and radiation
Fire plumeAntarctic glaciers
Carbon flux
Magnetic fields
Gravitationalacceleration
daughtership
Radiation
River discharge
3-D Global dropsondes
Volcano spectroscopy
Troposphere profileCloud aerosols
and particles
Ice sheets
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Example Missions
Mission CorrespondingCharacteristics
Bandwidthrequirements
Atmosphericpollution
Vertical profiles
Clouds Stacked, multi-aircraft
Vegetation Multispectral imageryWildfire mapping Real-time dataGreenhousegases
Remote locations
Hurricanes Long endurancemonitoring
Cryosphere (ice)changes
Long range flight
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Atmospheric Chemistry Missions
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Cloud, Aerosol, Water Vapor, and Total Water Measurements, cont’d
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Vegetation Structure, Composition, and Canopy Chemistry, cont’d
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Active Fire, Emissions, and Plume Assessment, cont’d
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Southern Ocean Carbon Cycle, cont’d
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Hurricane
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Antarctic Explorer, cont’d
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What we did this weekend
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When we should have been working on this presentation
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Bandwidth and Spectrum Summary
• HALE == Commercial Ku/Ka• MALE == License, arer wide• LAME == Commercial Iridium or equiv• Mixed need all…• NOBODY needs more Ch4 “notes”