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U.S. Department of the Interior
U.S. Geological Survey
Upcoming Landsat Products
9 January 2007
Rachel Kurtz, PhD
Landsat Data Acquisition Manager
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ASPRS Survey ResultsASPRS Survey Results
Future of Land Imaging
PE&RS, January 2007
72%: Landsat is a primary, critical dataset
$935M of economic impact in the U.S. per year
78%: Landsat does not meet needs due to L7 SLCfailure
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ASPRS Survey ResultsASPRS Survey Results
Future of Land Imaging
PE&RS, January 2007
72%: Landsat is a primary, critical dataset
$935M of economic impact in the U.S. per year
78%: Landsat does not meet needs due to L7 SLCfailure
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L7 SLC-off Gap-Fill
Segment-based
SLC-off & SLC-off
SLC-off & SLC-on
Interpolation
Same-DayRadiometry
LandscapePattern
Gap-Fill Type
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L7 SLC-off Gap-Fill
Segment-based
SLC-off & SLC-off
SLC-off & SLC-on
Interpolation
Same-DayRadiometry
LandscapePattern
Gap-Fill Type
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L7 SLC-off Gap-Fill
Segment-based
SLC-off & SLC-off
SLC-off & SLC-on
Interpolation
Same-DayRadiometry
LandscapePattern
Gap-Fill Type
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L7 SLC-off Gap-Fill
Segment-based
SLC-off & SLC-off
SLC-off & SLC-on
Interpolation
Same-DayRadiometry
LandscapePattern
Gap-Fill Type
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Segment-Based Gap Fill
Landsat 5, 2000
BaseImage
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Segment-Based Gap Fill
Landsat 5, 2000 Segments
BaseImage Segmentation
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Segment-Based Gap Fill
Landsat 5, 2000 SLC-offSegments
BaseImage Segmentation
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Closeup of Gap-FillCloseup of Gap-Fill
Adapted from Maxwell et al., in print.
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SumatraLat: 5 06 45.70Long: 95 20 38.38
29 December 2004, L7 Filled
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SumatraLat: 5 06 45.70Long: 95 20 38.38
29 December 2004, L7 FilledSLC-off
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SumatraLat: 5 06 45.70Long: 95 20 38.38
12 June 2001, L7 29 December 2004, L7 FilledSLC-off
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Appropriate Uses: Scale MattersAppropriate Uses: Scale
Matters
Inappropriate for phenomena that could be lost in gaps or in
regionswith high rates of land change
Urban growth
Timber harvest
Can be used for some change analysis
Tsunami
Must be interested in broad area information
Agriculture
Phenological changes
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Indian Ocean CampaignIndian Ocean Campaign
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Landsat Image Mosaic of AntarcticaLandsat Image Mosaic of
Antarctica
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New Products in GloVisNew Products in GloVis
Long-Term
Archive
MRLC
MTBS
DecadalData
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L7 Terrain-corrected ProductL7 Terrain-corrected Product
Terrain-corrected product (L1T)
Required for Segment-based gap-fill product
Allow for Standard Product development
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Looking to LDCM: Standard ProductLooking to LDCM: Standard
Product
Processed product (unlike other archive holdings)
Automatically generated Predetermined parameters
e.g., Terrain-corrected, GeoTIFF
Available via FTP
Pilot Dataset US only includes Alaska and Hawaii
L7 ETM+ SLC-off only 2003 to present (and ongoing)
< 10% cloud cover, 9 quality
*Policy resolution required prior to implementation*
