OPeNDAP Data Access Form for MYD21A1D.A2017094.h20v07.061.2021270032515.hdf
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OPeNDAP DAP2 Data Access Form

dataset: MYD21A1D.A2017094.h20v07.061.2021270032515.hdf




  • HDF_GLOBAL
    • HDFEOSVersion: HDFEOS_V2.19
    • identifier_product_doi: 10.5067/MODIS/MYD21A1D.061
    • identifier_product_doi_authority: http://dx.doi.org


LST_1KM[ YDim= 0 ..1199] [ XDim= 0 ..1199] (Type is Float32)
  • attributes
    • coordinates: Latitude Longitude
    • long_name: Daily 1km Land-surface Temperature
    • units: K
    • orig_scale_factor: 0.020000000000000000
    • orig_add_offset: 0.0000000000000000
    • _FillValue: 0
    • valid_min: 150.0000000
    • valid_max: 1310.699951
    • grid_mapping: MODIS_Grid_Daily_1km_LST21_eos_cf_projection
QC[ YDim= 0 ..1199] [ XDim= 0 ..1199] (Type is Float32)
  • attributes
    • coordinates: Latitude Longitude
    • long_name: Daily QC for LST and emissivity
    • units: n/a
    • QA_Legend: Bit Fields Description (Right to Left): [0-1]: MODLAND_QA 00: Pixel produced, good quality, no further QA info necessary 01: Pixel produced but unreliable quality. Either one or more of the following conditions are met: emissivity in both bands 31 and 32 < 0.95, retrieval affected by nearby cloud, low transmissivity due to high water vapor loading (<0.4), Recommend more detailed analysis of other QC information 10: Pixel not produced due to cloud 11: Pixel not produced due to other reasons than clouds [2-3]: Data Quality Flag 00: Good data quality of L1B bands 29,31,32 01: Missing Pixel 10: Fairly calibrated 11: Poorly calibrated, TES processing skipped [4-5]: Cloud Flag 00: Cloud free 01: Thin Cirrus 10: Pixel within 2 pixels of nearest cloud (~2km) 11: Cloudy pixel [6-7]: Iterations 00: >=7 (Slow convergence) 01: = 6 (Nominal) 10: = 5 (Nominal) 11: = <5 (Fast) [8-9]: Atmospheric Opacity 00: >=3 (Warm, humid air; or cold land) 01: 0.2 - 0.3 (Nominal value) 10: 0.1 - 0.2 (Nominal value) 11: <0.1 (Dry, or high altitude pixel) [10 - 11]: MMD 00: > 0.15 (Most silicate rocks) 01: 0.1 - 0.15 (Rocks, sand, some soils) 10: 0.03 - 0.1 (Mostly soils, mixed pixel) 11: <0.03 (Vegetation, snow, water, ice) [12 - 13]: Emissivity accuracy 00: >0.02 (Poor performance) 01: 0.015 - 0.02 (Marginal performance) 10: 0.01 - 0.015 (Good performance) 11: <0.01 (Excellent performance) [14 - 15]: LST accuracy 00: >2K (Poor performance) 01: 1.5 - 2K (Marginal performance) 10: 1 - 1.5K (Good performance) 11: < 1K (Excellent performance)
    • orig_scale_factor: n/a
    • orig_add_offset: n/a
    • _FillValue: n/a
    • valid_min: 0.000000000
    • valid_max: 0.000000000
    • grid_mapping: MODIS_Grid_Daily_1km_LST21_eos_cf_projection
View_Angle[ YDim= 0 ..1199] [ XDim= 0 ..1199] (Type is Float32)
  • attributes
    • coordinates: Latitude Longitude
    • long_name: View zenith angle of LST
    • units: deg
    • orig_scale_factor: 1.0000000000000000
    • orig_add_offset: -65.000000000000000
    • _FillValue: 255
    • valid_min: -65.00000000
    • valid_max: 65.00000000
    • grid_mapping: MODIS_Grid_Daily_1km_LST21_eos_cf_projection
View_Time[ YDim= 0 ..1199] [ XDim= 0 ..1199] (Type is Float32)
  • attributes
    • coordinates: Latitude Longitude
    • long_name: Time of LST observation
    • units: hrs
    • orig_scale_factor: 0.10000000000000001
    • orig_add_offset: 0.0000000000000000
    • _FillValue: 255
    • valid_min: 0.000000000
    • valid_max: 24.00000000
    • grid_mapping: MODIS_Grid_Daily_1km_LST21_eos_cf_projection
Emis_29[ YDim= 0 ..1199] [ XDim= 0 ..1199] (Type is Float32)
  • attributes
    • coordinates: Latitude Longitude
    • long_name: Daily Band 29 emissivity
    • units: n/a
    • orig_scale_factor: 0.0020000000000000000
    • orig_add_offset: 0.48999999999999999
    • _FillValue: 0
    • valid_min: 0.4920000136
    • valid_max: 1.000000000
    • grid_mapping: MODIS_Grid_Daily_1km_LST21_eos_cf_projection
Emis_31[ YDim= 0 ..1199] [ XDim= 0 ..1199] (Type is Float32)
  • attributes
    • coordinates: Latitude Longitude
    • long_name: Daily Band 31 emissivity
    • units: n/a
    • orig_scale_factor: 0.0020000000000000000
    • orig_add_offset: 0.48999999999999999
    • _FillValue: 0
    • valid_min: 0.4920000136
    • valid_max: 1.000000000
    • grid_mapping: MODIS_Grid_Daily_1km_LST21_eos_cf_projection
Emis_32[ YDim= 0 ..1199] [ XDim= 0 ..1199] (Type is Float32)
  • attributes
    • coordinates: Latitude Longitude
    • long_name: Daily Band 32 emissivity
    • units: n/a
    • orig_scale_factor: 0.0020000000000000000
    • orig_add_offset: 0.48999999999999999
    • _FillValue: 0
    • valid_min: 0.4920000136
    • valid_max: 1.000000000
    • grid_mapping: MODIS_Grid_Daily_1km_LST21_eos_cf_projection
Xdim[ Xdim= 0 ..1199] (Type is Int32)
  • attributes
    • long_name: Xdim(fake)
    • units: level
Ydim[ Ydim= 0 ..1199] (Type is Int32)
  • attributes
    • long_name: Ydim(fake)
    • units: level
Latitude[ YDim= 0 ..1199] [ XDim= 0 ..1199] (Type is Float64)
  • attributes
    • long_name: Latitude
    • units: degrees_north
Longitude[ YDim= 0 ..1199] [ XDim= 0 ..1199] (Type is Float64)
  • attributes
    • long_name: Longitude
    • units: degrees_east
YDim[ YDim= 0 ..1199] (Type is Float64)
  • attributes
    • standard_name: projection_y_coordinate
    • long_name: y coordinate of projection for grid MODIS_Grid_Daily_1km_LST21
    • units: meter
    • _CoordinateAxisType: GeoY
XDim[ XDim= 0 ..1199] (Type is Float64)
  • attributes
    • standard_name: projection_x_coordinate
    • long_name: x coordinate of projection for grid MODIS_Grid_Daily_1km_LST21
    • units: meter
    • _CoordinateAxisType: GeoX
MODIS_Grid_Daily_1km_LST21_eos_cf_projection(Type is Byte)
  • attributes
    • grid_mapping_name: sinusoidal
    • longitude_of_central_meridian: 0.0
    • earth_radius: 6371007.181
    • _CoordinateAxisTypes: GeoX GeoY

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