EOS Overview

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Information about EOS Overview
Technology

Published on February 24, 2014

Author: HDFEOS

Source: slideshare.net

Description

HDF AND HDF-EOS WORKSHOP II (1998)

Sources: http://hdfeos.org/workshops/ws02/presentations/gubbels/gubbels1.ppt
http://hdfeos.org/workshops/ws02/presentations/gubbels/gubbels2.ppt
http://hdfeos.org/workshops/ws02/presentations/gubbels/gubbels3.ppt
http://hdfeos.org/workshops/ws02/presentations/gubbels/gubbels4.ppt

Earth Process Schematic 97E021 a-1

EOS Constellation 97E021 a-2

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 97E021 a-3

Global Biosphere QuickTime™ and a Photo - JPEG decompressor are needed to see this picture. QuickTime™ and a Photo - JPEG decompressor are needed to see this picture. 97E021 a-4

SeaWiFS Image (Eastern Mediterranean and the Nile River Delta) QuickTime™ and a Photo - JPEG decompressor are needed to see this picture. 97E021 a-5

SeaWiFS Image (Saharan Dust and Canary Islands) QuickTime™ and a Photo - JPEG decompressor are needed to see this picture. 97E021 a-6

SeaWiFS Image (Hurricane Bonnie, 25 August 1998) QuickTime™ and a Photo - JPEG decompressor are needed to see this picture. 97E021 a-7

SeaWiFS Image (Gulf of Mexico, 23 February 1998) QuickTime™ and a Photo - JPEG decompressor are needed to see this picture. 97E021 a-8

Gulf Stream Eddies 97E021 a-9

TRMM Precipitation Radar Swath 97E021 a-10

TRMM Image - Showing PR & VIRS Swaths (Houston, TX, 10 February 1998) QuickTime™ and a Photo - JPEG decompressor are needed to see this picture. 97E021 a-11

TRMM Image - Chimney Clouds Science Result (Hurricane Bonnie, 22 August 1998) 97E021 a-12

TRMM Microwave Imager Data (TMI) 97E021 a-13

TRMM One Day Coverage 97E021 a-14

TRMM Two Day Coverage 97E021 a-15

EOS Constellation 97E021 a-16

The Elements of MTPE 97E021 a-17

EOS AM-1 97E021 a-18

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: 97E021 705 km altitude sun-sychronous 16 days a-19

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 97E021 Clouds and the Earths Radiant Energy System a-20

Relationship Between Sensor Swath Width and Global Seasonal Archive Capability 97E021 a-21

Regional and Commercial Applications Agriculture Insurance Forestry Fisheries Disaster Management Regional Planning 97E021 a-22

Vegetation Index Greeness Map (Cornbelt, July 19 - August 1, 1996) 97E021 b-1

Dryness Map 97E021 b-2

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 97E021 b-3

Fire Index Map Derived from October 3 - 9, 1994 AVHRR NDVI and Surface Temperature Data 97E021 c-1

Seasonal Lightning Summary December 1997, January 1998, February 1998 97E021 c-2

Distributed Active Archive Centers 97E021 c-3

EOS Constellation 97E021 c-4

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 97E021 c-5

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 - 97E021 8 Ground Sites Sophisticated Metadata Advanced Middleware 40+ Scientific Computing Centers COTS Friendly 10,000+ Users c-6

EOSDIS Data Flows and Elements 97E021 c-7

The ECS Digital Library 97E021 c-8

Data Volumes 2500.00 ASTER CERES MISR MODIS MOPITT DAO Landsat 7 SeaWinds DFA MR SAGE III 2000.00 1500.00 1000.00 T B Y T E S 500.00 0.00 1998 1999 2000 2001 2002 YEAR 97E021 d-1

StorageTek Silo 97E021 d-2

EMASS Silo 97E021 d-3

SDPS Architecture 97E021 d-4

Library Analogy 97E021 d-5

Processing Levels 97E021 d-6

Example Categories for Granule-Level and Collection-Level Metadata Granule Platform, Instrument, Sensor Platform, Instrument, Sensor Spatial and Temporal Delivered Algorithm Package Orbit Parameters Guide Browse Bibliographic Reference QA Data Statistics Papers/Documents Production History 97E021 Collection Keyword d-7

Client Services List • User Registration • Advertise • Guide / Document Search • Inventory Search • Data Order • Browse • Subsetting • Aster DAR / DPR • Data Dictionary • Subscription • Science Quality / Metadata Update 97E021 d-8

Spatial Search 97E021 d-9

View Browse 97E021 d-10

ESOD 97E021 d-11

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 97E021 d-12

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