3. 24 Measurement Areas
ATMOSPHERE
LAND
OCEAN
CRYOSPHERE
SOLAR RADIATION
Cloud Properties
Land Cover & Land
Use Change
Surface Temperature
Ice Sheet Topography
& Ice Volume Change
Total Solar Irradiance
Radiative Energy
Fluxes
Precipitation
Tropospheric
Chemistry
Stratospheric
Chemistry
Vegetation Dynamics
Surface Temperature
Fire Occurrence
Volcanic Effects
Phytoplankton &
Dissolved Organic
Matter
Sea Ice
Ultraviolet Spectral
Irradiance
Snow Cover
Surface Wind Fields
Ocean Surface
Topography
Surface Wetness
Aerosol Properties
Atmospheric
Temperature
Atmospheric
Humidity
Lightning
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4. Global Biosphere
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5. SeaWiFS Image
(Eastern Mediterranean and the Nile River Delta)
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6. SeaWiFS Image
(Saharan Dust and Canary Islands)
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7. SeaWiFS Image
(Hurricane Bonnie, 25 August 1998)
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8. SeaWiFS Image
(Gulf of Mexico, 23 February 1998)
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11. TRMM Image - Showing PR & VIRS Swaths
(Houston, TX, 10 February 1998)
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12. TRMM Image - Chimney Clouds Science Result
(Hurricane Bonnie, 22 August 1998)
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19. Landsat 7 / EOS AM-1 Common Orbit
Landsat 7
EOS AM1
Launch - March 1999
Launch - June 1999
ORBITAL CHARACTERISTICS
Orbit:
Orbit Inclination:
98.3 degrees from equator
Oribit Period:
98.8 minutes
Equator Crossing:
Landsat 7 - 10:00 AM; EOS AM1 - 10:30 AM
Ground Track Repeat Cycle:
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705 km altitude sun-sychronous
16 days
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20. The Landsat 7 and EOS AM-1 Instruments
Landsat 7
ETM+
Enhanced Thematic Mapper
EOS AM1
ASTER
Advanced Spaceborne
Thermal Emission and
Reflection Radiometer
MODIS
Moderate-Resolution
Imaging Spectroradiometer
MISR
Multi-angle Imaging
Spectroradiometer
MOPITT Measurements of Pollution in
the Troposphere
CERES
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Clouds and the Earths
Radiant Energy System
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25. Agricultural Applications of ESE Data
ES E Ins trument
Applica tion
MODI ASTE
Landsat 7MI
S
CER
TM
I
PR
EO
Mode ls S ea WiFS
SRT
AMS
AIR
AMS
MH
ESS
VC L
1 Measuring Crop Acreage
2 Classifying Crop and V egetation Type
3 Estimating Crop Yields and Optimizing Fertilization
4 Determining V egetation and Crop Health
5 Analyzing Pest Mitigation and Planning Pesticide
Application
6 Determining Range Readiness and Health/Maturity
7 Monitoring Fallow Land
8 Determining Soil Moisture and Drainage
9 Optimizing Irrigation--Aerial Distribution and Timing
10 Mapping and Monitoring W etlands
11 Monitoring Droughts and Floods
12 Timing Harvest Before Destructive W eather Events
13 Mapping Soil, Nutrient, and Landscape Spatial V
ariability
14 Monitoring Soil Erosion
15 Improving Climate Forecasts
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26. Fire Index Map
Derived from October 3 - 9, 1994
AVHRR NDVI and Surface Temperature Data
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30. Architecture Drivers
Towards...
Federated data and information
infrastructure
Scalable, extendable components
Object oriented design and development
(seamless view of data)
Internet access
Policy/Business/Data model neutral
Long term archive and retrieval
Data advertising and subscription service
Open layered architecture with highly
developed metadata system
A more evolutionary system
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31. SDPS Characteristics
Federated Interoperable
Infrastructure
-
Business Neutral
Policy Neutral
Data Neutral
100 - 260 Data Types
75+ COTS Products Integrated
730 GB/Day => 3 Petabyte by 2002
Long-term Archive/Retrieval Systems
Web Based with Self Evolving JAVA
Coded Client-browser Interface
1.2 Million Lines of Custom C++ Code
240 Gflops Processing Power
Object Architecture
-
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8 Ground Sites
Sophisticated Metadata
Advanced Middleware
40+ Scientific Computing Centers
COTS Friendly
10,000+ Users
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45. The ECS Standard Data Format: HDF-EOS
• HDF-EOS is an extension of NCSA’s Heirarchical Data Format (HDF)
• Includes ECS Core Metadata as an attribute stored in ODL format (allows geolocation
information to be conveyed)
• Format is standardized and self-describing
• Files are manipulated and services applied via an API
In addition to standard HDF structures, 3 additional structures have been added: Point, Grid,
and Swath
POINT
GRID
SWATH
Spatially oriented data with a
known mathematical
transformation between row/col
and lat/long
Time- or track- oriented data with
geolocation per data element or
scan line
Table
Data with no predetermined
orientation in time or space.
Geolocation and time supplied
with every point
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