Propiedades de las imágenes

EO-1 ALIEO-1 ALIPan- Sharpening

EO-1 Mission BackgroundLandsat 7 EO-1

Parameters ETM+ ALI HYPERION

Spectral Range 0.4 - 2.4 µm * 0.4 - 2.4 µm 0.4 - 2.5 µm

Spatial Resolution 30 m 30 m 30 m

Swath Width 185 Km 37 Km 7.7 Km

Spectral Resolution Variable Variable 10 nm

Spectral Coverage Discrete Discrete Continuous

EO-1

Launch Date: Nov. 21, 2000

Launch Vehicle: Delta 7320

Co-manifested with SAC-C

Spectral Coverage Discrete Discrete Continuous

Pan Band Resolution 15 m 10 m N/A

Number of Bands 7 10 220

* Current EO-1 altitude is ~690 Km

705 Km altitude Sun-synchronous, circular orbit inclined at 98.2°

Descending node with an equatorial crossing about one minute behind Landsat 7

Spacecraft

ACRIMSAT

EO-1

GRACE

ICESat

Jason-1

2006 2007 2008 2009 2010 2011 2012

Flight Missions in “extended period”

Earth Observing Satellites

April 28, 2006

3

LandSat-7

QuikSCAT

Terra

TOMS-EP

TRMM

EO-1 SAC-CTerra

The EOS Morning Constellation(Alignment in November of 2003)

Note: EO-1 and SAC-C are no longer flying in formation with L7

Landsat-7EO-1 SAC-C

Terra

NLandsat 7

ETM+

EO-1Atmospheric

Corrector

SAC-C

TerraMODIS

EO-1Hyperion

EO-1ALI

N Landsat 7ETM+

SAC--C

TerraMODIS

EO---1Hyperion

EO-1ALI

EROS Data Products

ALI data have the following levels of correction:

� Level 1R is radiometrically corrected with no geometric correction applied. The image data are provided in 16-bit radiance values. The data are available in Hierarchical Data Format (HDF) and is distributed on CD-ROM, DVD, and File Transfer

5

distributed on CD-ROM, DVD, and File Transfer Protocol (FTP).

� Level 1Gs is geometrically corrected and provided as a single 'stitched' file. The image data are provided in 16-bit radiance values. The data are available in HDF or Geographic Tagged Image-File Format (GeoTIFF) and is distributed on DVD and FTP.

� Level 1Gst is terrain corrected . in HDF or GeoTIFF and is distributed on DVD, and FTP

Sep ’99 – NRO selection start

Jan ’00 – first SVT Meeting

Nov 21, 2000 EO-1 Launch

Dec ‘00 – first SVT data collects

EO-1 Science Validation Team

(SVT) on The Fast Track

EO-1 SVT Milestonesfrom the Team Selection to

the Special Issue Publication

EO-1 Science Validation Team

(SVT) on The Fast Track

EO-1 Science Validation Team

(SVT) on The Fast Track

Dec ‘00 – first SVT data collects

Dec ’01 – “final” data collects

start analysis phase

Sept ‘02 – end of SVT funding

Nov ’02 – final SVT Meeting

Dec ’02 – submit manuscripts

Jun ’03 – last revisions due

Investigator Research Topics (continued)

Principal InvestigatorResearch Topic

Boardman, J. W., AIG, ColoradoEcological Applications in Yellowstone National Park

Cassady, P. E., Boeing, WashingtonCommercial Applications

Biggar, S. F., University of ArizonaRadiometric and Spatial Evaluation of ALI and Hyperion

Carlson, B. E., NASA /GISS, New YorkAtmospheric Correction

Meyer, D. J., EDC, South DakotaIntegrated Assessment of EO-1 and Landsat Instrument Suites

Smith, J. A., NASA GSFC, MarylandCanopy Temperature Estimation

Kieffer, H., USGS, Flagstaff, AZLunar Calibration

Carlson, B. E., NASA /GISS, New YorkAtmospheric Correction

Goetz, A. F. H., University of ColoradoAtmospheric Correction and Sparse Vegetation Mapping

Jupp, D. L. B., CSRIO, AustraliaAustralian Hyperspectral Calibration and Validation Sites

EO-1 Acquisitions Global Distributionas of January 21, 2003

Hyperion Collects available through EDC

Eruption of Mt. Etna, Sicily

EO-1 Hyperion Spectra

ALI Pan Enhanced

Bands 3-2-1

EO-1 ALI

Bands 7-5-5’Hyperion

7-5-4 Equiv

ALI Pan Enhanced

Bands 3-2-1

EO-1 ALI

Bands 7-5-5’Hyperion

7-5-4 Equiv

July 22, 2001

9

Lava Profile Spectra: July 22th 2001

0

10

20

30

40

50

60

70

80

90

100

400 600 800 1000 1200 1400 1600 1800 2000 2200 2400

Wavelength

Rad

ian

ce

bkgd X:73 Y:3593~~1 mid start X:53 Y:3631~~1 edge start X:51 Y:3631~~1

tip X:144 Y:3656~~1 crater X:45 Y:3614~~1

Spectrum Crust Temp Hot Temp Area Hot

J 13 - CTB 346 C 994 C 0.0025J 13 - MM 874 C 876 C 0.45J 13 - CTS 976 C 978 C 0.47J 13 - TipX 210 C 900 C 0.00034

J 22 - MS 726 C 1075 C 0.090J 22 - CX 487 C 1075 C 0.022J 22 - RS* 1054 C 1058 C 0.690

EO-1 Hyperion Spectra

Hyperion Temperatures for Etna

Pan Sharpened

ALI Real Color

Pearl HarborDecember 19, 2000

Hyperion Spectra Extracted from Area of FireHyperion Views Tucson Wildfires - July 3, 2003

Active Fire Fresh Burn

Vegetation Natural Landscape

Hyperion Views Tucson Wildfires - July 3, 2003

SWIR BandsVNIR BandsVIS Bands

Hyperion Views Tucson Wildfires - July 3, 2003

SWIR BandsNatural Landscape

Active Fire

Fresh Burn

Vegetation

Forest Structure and Chemistry in the Brazilian Amazon:Forest Structure and Chemistry in the Brazilian Amazon:

First-ever Dating of Logging Activity Using Biophysics-Biochemistry Info Available from Hyperion

2 Yr Old Forest Regrowth(Mod. Canopy H2O, High Slash)

4 Yr Old Forest Regrowth(High Canopy H2O, Persisting Slash)

New Logging(High Soil and Slash)

Primary Forest(High Canopy H2O, Low Slash)

Green Pasture Areas(High Surface Litter)

Exposed Soil Canopy Water Underlying Surface Litter/Slash

Half

Venus

Views with the ALI Pan band

Saturn

Half

MoonJupiter

Full Moon

ALI versus ETM+ Local Geometry

ETM+L1Gband 1

Maricopa July 27, 2001 (DOY208)

ALIL1Rband 2

Sensor EOSensor EO--1 Imagen ALI1 Imagen ALI

Bandas EspectralesBandas Espectrales

PanPan-- SharpeningSharpening

Pan Sharpening

• Pan sharpening is a process by which the resolution of multispectral thematic data is

artificially increased by using intensity values from higher resolution panchromatic

data.

• The panchromatic intensity data may be a derived data set or an “as collected”

raster.

• Pan sharpening allows merging data from different sensors.

Multispectral 30m Panchromatic 15m Multispectral 15m