modis workshop an introduction to nasa’s earth observing system (eos), terra, and the modis...

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MODIS Workshop An Introduction to NASA’s Earth Observing System (EOS), Terra, and the MODIS Instrument Michele Thornton [email protected] 406-243-6263 http://eostc.umt.edu/forestry

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MODIS Workshop

An Introduction toNASA’s Earth Observing System

(EOS), Terra, and the MODIS Instrument

Michele [email protected]

406-243-6263http://eostc.umt.edu/forestry

MODIS Workshop

Primary Research

MODIS Science Compute Facility

EOS Training Center

The University of MontanaSchool of Forestry

MODIS Land Science Team Member

MODIS Workshop

Training and support in theacquisition, translation, andinterpretation of EOS data.

Supporting applicationsof EOS data for naturalresource management.

GoalsGoals

MODIS Workshop

EOSEOS

Strategic Enterprises

Aero-SpaceTechnology

Human Exploration&

Space Development

SpaceSciences

Earth Science

Enterprise(ESE)

Earth Science

Enterprise(ESE)

OtherSatellite

ProgramsResearch

MODIS Workshop

Primary GOAL:Primary GOAL: Long-term monitoring of the Earth’s biosphere

NASA’s EOS Program

MODIS Workshop

Components for a Comprehensive Mission:

• A Space ComponentA Space Component

• A Science ComponentA Science Component

• A Data ComponentA Data Component

NASA’s EOS Program

MODIS Workshop

TerraQuicksat

Landsat 7ACRIMSTNMP/EO-1METEOR 3M-1Jason-1ENVISAT SeriesADEOS IIESSP/VCL

Aqua (EOS PM)

ESSP/GRACEICESatALOSSORCEEOS CHEMSpace Station-SAGE IIIESSP/PICASSO-CENAESSP/CloudSatMETOP SeriesATMOS Series

EOS Era - Remote Sensing SatellitesEOS Era - Remote Sensing Satellites

EOS Space Component

MODIS Workshop

A global data-base of remote sensing measurementsA global data-base of remote sensing measurements

OCEANOCEAN

Sea Surface Temperature

ATMOSPHEREATMOSPHERE

Cloud Type

CRYOSPHERECRYOSPHERE

Ice Extent

LANDLAND

The Alps

SOLAR RADIATIONSOLAR RADIATION

Emitted Long Wave Radiation

EOS Science Component

MODIS Workshop

DAAC = Distributed Active Archive Centers

EOS Data Component

MODIS WorkshopDecember 18, 1999

The EOS Program is HighlightedThe EOS Program is Highlightedby the Terra Satelliteby the Terra Satellite

• First True Earth System Satellite

Space ComponentThe Terra Spacecraft - 5 instruments

Science ComponentMODIS Land TeamMODIS Ocean TeamMODIS Atmosphere Team

Data ComponentData Distribution Centers

• Designed specifically to acquiremeasurements of the atmosphere, oceans, and land

MODIS Workshop

Terra Carries Terra Carries 55 Separate Instruments Separate Instruments

The Terra SatelliteThe Terra Satellite

MODIS Workshop

- Atmosphere, land, and ocean viewing in a single instrument

- Daily global coverage - 2330 km swath

- Designed to monitor vegetation

- 36 channels - 2 @ 250m pixels, 5 @ 500m, 29 @ 1km

- Custom tailored spectral bands from 0.4 to 14.0 m

- Enhanced atmospheric correction

- On-board calibration

- Improved geo-referencing

The MODIS InstrumentModerate Resolution Imaging Spectroradiometer

MODIS Workshop

SatelliteSensor

Landsat-7ETM+

NOAA-14AVHRR

TerraMODIS

Spectral Range (m) .45 - 12.5 .58 - 12.5 .40 - 14.4

Number of Bands 7 5 36

Ground Resolution30 m

60 m - thermal15 m - panchromatic

1.1 km250m - bands 1-2500m - band 3-7

1000m - bands 8-36

Swath Width 185 km 2399 km 2330 km

Repeat Coverage 16 days 1 day 1-2 days

Altitude of Satellite 705 km 833 km 705 km

OrbitSun-synchronous

Polar orbitingDescending Node

10:00 am

Sun-synchronousPolar orbiting

Ascending Node 1:40 pm

Sun-synchronousPolar orbiting

Descending Node 10:30 am

MODIS Workshop

MODIS Workshop

MODIS Application Products

One of the greatest advantages to the end user are the MODISApplication Products that are available

• World Wide• Nominal Cost

MODIS Workshop

MODIS Land Products

Ecosystem VariablesVegetation IndicesLeaf Area Index (LAI) and Fraction Photosynthetically Active Radiation (FPAR)Vegetation Production, Net Primary Productivity (NPP)Evapotranspiration and Surface Resistance

Land Cover CharacteristicsFire and Thermal AnomaliesLand CoverVegetation Cover ConversionAt-Launch Land Cover (derived from AVHRR)

Radiation Budget VariablesSurface Reflectance/Atmospheric Correction

Land Surface Temperature (LST) and Emissivity

Snow and Ice Cover

Bi-directional Reflection (BRDF) and Albedo