modis spectral bands

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  • 7/30/2019 MODIS Spectral Bands

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    MODIS Spectral Bands

    BAND # RANGEnm

    RANGEum

    KEY USE

    Reflected Emitted

    1 620670 Absolute Land CoverTransformation, Vegetation

    Chlorophyll

    2 841876 Cloud Amount, VegetationLand Cover Transformation

    3 459479 Soil/Vegetation Differences

    4 545565 Green Vegetation

    5 1230

    1250

    Leaf/Canopy Differences

    6 16281652

    Snow/Cloud Differences

    7 2105

    2155

    Cloud Properties, Land

    Properties

    8 405420 Chlorophyll

    9 438448 Chlorophyll

    10 483493 Chlorophyll

    11 526536 Chlorophyll

    12 546556 Sediments

    13h 662672 Atmosphere, Sediments

    13l 662672 Atmosphere, Sediments14h 673683 Chlorophyll Fluorescence

    14l 673683 Chlorophyll Fluorescence

    15 743753 Aerosol Properties

    16 862877 Aerosol Properties,Atmospheric Properties

    17 890920 Atmospheric Properties, Cloud

    Properties

    18 931941 Atmospheric Properties, Cloud

    Properties

    19 915965 Atmospheric Properties, Cloud

    Properties

    20 3.660

    3.840

    Sea Surface Temperature

    21 3.9293.989

    Forest Fires & Volcanoes

    22 3.929 Cloud Temperature, Surface

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    3.989 Temperature

    23 4.0204.080

    Cloud Temperature, Surface

    Temperature

    24 4.433

    4.498

    Cloud Fraction, Troposphere

    Temperature

    25 4.4824.549

    Cloud Fraction, Troposphere

    Temperature

    26 1360

    1390

    Cloud Fraction (Thin Cirrus),

    Troposphere Temperature

    27 6.5356.895

    Mid Troposphere Humidity

    28 7.1757.475

    Upper Troposphere Humidity

    29 8.4008.700

    Surface Temperature

    30 9.5809.880

    Total Ozone

    31 10.78011.280

    Cloud Temperature, Forest Fires& Volcanoes, Surface Temp.

    32 11.77012.270

    Cloud Height, Forest Fires &

    Volcanoes, Surface

    Temperature

    33 13.18513.485

    Cloud Fraction, Cloud Height

    34 13.485

    13.785

    Cloud Fraction, Cloud Height

    35 13.78514.085

    Cloud Fraction, Cloud Height

    36 14.085

    14.385

    Cloud Fraction, Cloud Height

    MODIS Metadata

    MODIS products have two sources of metadata: the embedded HDF metadata, and the external

    ECS metadata. The HDF metadata contains valuable information including global attributes and

    data set-specific attributes pertaining to the granule. The structure of this metadata is broadlysimilar to that of an ASTER HDF file. The ECS (generated by the EOSDIS Core System) .met

    file is the external metadata file in XML format, which is delivered to the user along with the

    MODIS product. It provides a subset of the HDF metadata. Some key features of certain MODISmetadata attributes include the following:

    The Xdim and Ydim represent the rows and columns of the data, respectively

    The Projection and ProjParams identify the projection and its corresponding projection

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    parameters

    The Sinusoidal Projection is used for most of the gridded MODIS land products, and has aunique sphere measuring 6371007.181 meters.

    The UpperLeftPointMtrs is in projection coordinates, and identifies the very upper left corner

    of the upper left pixel of the image data

    TheLowerRightMtrs identifies the very lower right corner of the lower right pixel of theimage data. These projection coordinates are the only metadata that accurately reflect the

    extreme corners of the gridded image

    There are additional BOUNDINGRECTANGLE and GRINGPOINT fields within themetadata, which represent the latitude and longitude coordinates of the geographic tile

    corresponding to the data

    The Data Set attributes contain specific SDS information such as the data range and applicable

    scaling factors for the data. The LP DAAC data products page provides these details within a

    concise document for each of the products. An HDF-EOS file also contains EOS core metadataessential for EOS search services. Any tool that processes standard HDF files can read an HDF-

    EOS file. However, it is difficult for a standard HDF call to interpret HDF-EOS geolocation ortemporal information without further knowledge of the file structure.

    MODIS Data Processing

    Along with all the data from other instruments on board the Terra and Aqua platforms, MODISdata are transferred to ground stations in White Sands, New Mexico, via the Tracking and Data

    Relay Satellite System (TDRSS). The data are then sent to the EOS Data and Operations System

    (EDOS) at the Goddard Space Flight Center. After Level-0 processing at EDOS, the Goddard

    Space Flight Center Earth Sciences Distributed Active Archive Center (GES DAAC) producesthe Level 1A, Level 1B, geolocation and cloud mask products.

    Higher-level MODIS land and atmosphere products are produced by the MODIS Adaptive

    Processing System (MODAPS), and then are parceled out among three DAACs for distribution.

    Ocean color products are produced by the Ocean Color Data Processing System (OCDPS) and

    distributed to the science and applications community.

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    MOD10A1.5 MODIS/Terra Snow Cover Daily L3 Global 500m SIN Grid

    Data Set MOD10A1.5

    Date 2010-01-01 - 2012-08-31

    Spatial

    gpolygon(((31.23148,78.71945),(31.24123,80.16463),

    (29.87255,80.13494),

    (29.87193,78.4888)))

    Cloud Cover %Less than or equal to 10%

    Day/Night Flag D

    Science QAparameterName=Snow_Cover_Daily_Tile+scienceQualityFlag=Not

    Investigated

    Data Set MOD10A1.5

    Date 2010-01-01 - 2012-08-31

    Spatial

    gpolygon(((31.23148,78.71945),(31.24123,80.16463),

    (29.87255,80.13494),

    (29.87193,78.4888)))

    Cloud Cover %Less than or equal to 10%

    Day/Night Flag D

    Science QA parameterName=Snow_Cover_Daily_Tile+scienceQualityFlag=InferredPassed

    Current Search Criteria

    You may click on a hyperlinked criterion to go back and resume the drill-down from that point

    Data Group MOLA

    Data Set MYD11A1.5

    Spatial

    gpolygon(((31.10876,78.80857),

    (31.06576,80.0462),

    (30.26679,80.0531),(30.26178,78.78278)))

    Date 2010-01-01 - 2012-08-01

    Time of Day0030 - 2330

    Cloud Cover %Less than or equal to 10%

    Day/Night Flag B

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