ASTER User's Guide - Aster - NASA

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ASTER Users Handbook Table of Contents 1.0 Introduction to ASTER............................................................................................................. 8 2.0 The ASTER Instrument ............................................................................................................ 8 2.1 The VNIR Instrument ......................................................................................................... 11 2.2 The SWIR Instrument......................................................................................................... 12 2.3 The TIR Instrument............................................................................................................. 13 3.0 ASTER Level-1 Data.............................................................................................................. 16 3.1 ASTER Level-1A Data....................................................................................................... 19 3.1.1 ASTER Level-1A Browse ........................................................................................... 19 3.2 ASTER Level-1B Data ....................................................................................................... 21 3.2.1 ASTER Level-1B Browse............................................................................................ 21 4.0 ASTER Higher-Level Products .............................................................................................. 24 5.0 ASTER Radiometry................................................................................................................ 25 6.0 ASTER Geometry................................................................................................................... 27 7.0 Data Acquisition Strategy....................................................................................................... 29 8.0 ASTER Data Search and Order of Archived Data and Products............................................ 31 9.0 ASTER Higher-Level Data Products Ordering Mechanism................................................... 40 10.0 Data Acquisition Requests.................................................................................................... 41 11.0 ASTER Applications ............................................................................................................ 41 11.1 Cuprite, Nevada ................................................................................................................ 41 11.2 Lake Tahoe........................................................................................................................ 45 11.2.1 Objective.................................................................................................................... 45 11.2.2 Introduction................................................................................................................ 45 11.2.3 Field Measurements................................................................................................... 46 11.2.4 Using ASTER to measure water clarity..................................................................... 48 11.2.5 Using ASTER to Measure Circulation ...................................................................... 52 12.0 Geo-Referencing ASTER Level-1B Data............................................................................. 54 12.1 Introduction....................................................................................................................... 54 12.2 Accessing ASTER Level-1B Metadata ............................................................................ 54 12.3 ASTER Level-1B Geo-Referencing Methodology........................................................... 56 12.4 Unique Features of ASTER Level-1B Data...................................................................... 57 12.4.1 Pixel Reference Location........................................................................................... 57 12.4.2 Footprint of an ASTER Level-1B Image................................................................... 57 12.4.3 Path- or Satellite-Orientation of an ASTER Level-1B Image ................................... 58 12.4.4 Geometric Correction Table ...................................................................................... 59 12.4.5 Geodetic versus Geocentric Coordinates................................................................... 61 13.0. Frequently-Asked Questions................................................................................................ 62 13.1 General ASTER ................................................................................................................ 62 13.2 ASTER Instrument............................................................................................................ 63 13.3 ASTER Level-1 Data........................................................................................................ 63 13.4 Acquiring and Ordering ASTER Data.............................................................................. 69 13.5 ASTER Metadata.............................................................................................................. 70 13.6 ASTER Higher-Level Products ........................................................................................ 81 13.7 ASTER Expedited Data Sets ............................................................................................ 83 13.8 ASTER-Related Algorithms ............................................................................................. 84 4
ASTER Users Handbook 13.9 ASTER Documentation .................................................................................................... 85 13.10 HDF-EOS Data Format................................................................................................... 86 Appendix I: Dump of HDF Metadata in a ASTER L1B file ........................................................ 87 Appendix II: ASTER Higher-Level Data Products ...................................................................... 95 Appendix III: Metadata Cross Reference Table ......................................................................... 114 Appendix IV: Public Domain Software for Handling HDF-EOS Format.................................. 131 Appendix V: LP-DAAC Data Sets Available through EDC via the EDG ................................. 133 5
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ASTER Users Handbook 12.3 ASTER Lev
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ASTER Users Handbook 15: Production
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ASTER Users Handbook ASTER Level-1
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ASTER Users Handbook ImagePixel Dim
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ASTER Users Handbook Outer G-Ring I
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ASTER Users Handbook Sensor (Bands)
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ASTER Users Handbook ASTEROPERATION
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ASTER Users Handbook OFFSET4= -0.21
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ASTER Users Handbook CORINTEL14= "C
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ASTER Users Handbook This ASTER pol
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ASTER Users Handbook research inclu
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ASTER Users Handbook Attribute Name
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ASTER Users Handbook Appendix V: LP
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ASTER Users Handbook DATA CENTER De
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