netcdf MYD35_L2.A2014001.2355.006.2014119212127 { dimensions: Cell_Along_Swath_5km:mod35 = 406 ; Cell_Across_Swath_5km:mod35 = 270 ; Cell_Along_Swath_1km:mod35 = 2030 ; Cell_Across_Swath_1km:mod35 = 1354 ; SPI_nband:mod35 = 2 ; Byte_Segment:mod35 = 6 ; QA_Dimension:mod35 = 10 ; variables: float Latitude(Cell_Along_Swath_5km:mod35, Cell_Across_Swath_5km:mod35) ; Latitude:valid_range = -90.f, 90.f ; Latitude:_FillValue = -999.98999f ; Latitude:long_name = "Geodetic Latitude" ; Latitude:units = "degrees_north" ; Latitude:scale_factor = 1. ; Latitude:add_offset = 0. ; Latitude:Parameter_Type = "MODIS Input" ; Latitude:Cell_Along_Swath_Sampling = 3, 2028, 5 ; Latitude:Cell_Across_Swath_Sampling = 3, 1348, 5 ; Latitude:Geolocation_Pointer = "Internal geolocation arrays" ; float Longitude(Cell_Along_Swath_5km:mod35, Cell_Across_Swath_5km:mod35) ; Longitude:valid_range = -180.f, 180.f ; Longitude:_FillValue = -999.98999f ; Longitude:long_name = "Geodetic Longitude" ; Longitude:units = "degrees_east" ; Longitude:scale_factor = 1. ; Longitude:add_offset = 0. ; Longitude:Parameter_Type = "MODIS Input" ; Longitude:Cell_Along_Swath_Sampling = 3, 2028, 5 ; Longitude:Cell_Across_Swath_Sampling = 3, 1348, 5 ; Longitude:Geolocation_Pointer = "Internal geolocation arrays" ; double Scan_Start_Time(Cell_Along_Swath_5km:mod35, Cell_Across_Swath_5km:mod35) ; Scan_Start_Time:valid_range = 0., 3155800064. ; Scan_Start_Time:_FillValue = -999.9000244140625 ; Scan_Start_Time:long_name = "TAI time at start of scan replicated across the swath" ; Scan_Start_Time:units = "seconds since 1993-1-1 00:00:00.0 0" ; Scan_Start_Time:scale_factor = 1. ; Scan_Start_Time:add_offset = 0. ; Scan_Start_Time:Parameter_Type = "MODIS Input" ; Scan_Start_Time:Cell_Along_Swath_Sampling = 3, 2028, 5 ; Scan_Start_Time:Cell_Across_Swath_Sampling = 3, 1348, 5 ; Scan_Start_Time:Geolocation_Pointer = "Internal geolocation arrays" ; short Solar_Zenith(Cell_Along_Swath_5km:mod35, Cell_Across_Swath_5km:mod35) ; Solar_Zenith:valid_range = 0s, 18000s ; Solar_Zenith:_FillValue = -32767s ; Solar_Zenith:long_name = "Solar Zenith Angle, Cell to Sun" ; Solar_Zenith:units = "degrees" ; Solar_Zenith:scale_factor = 0.009999999776482582 ; Solar_Zenith:add_offset = 0. ; Solar_Zenith:Parameter_Type = "MODIS Input" ; Solar_Zenith:Cell_Along_Swath_Sampling = 3, 2028, 5 ; Solar_Zenith:Cell_Across_Swath_Sampling = 3, 1348, 5 ; Solar_Zenith:Geolocation_Pointer = "Internal geolocation arrays" ; short Solar_Azimuth(Cell_Along_Swath_5km:mod35, Cell_Across_Swath_5km:mod35) ; Solar_Azimuth:valid_range = -18000s, 18000s ; Solar_Azimuth:_FillValue = -32767s ; Solar_Azimuth:long_name = "Solar Azimuth Angle, Cell to Sun" ; Solar_Azimuth:units = "degrees" ; Solar_Azimuth:scale_factor = 0.009999999776482582 ; Solar_Azimuth:add_offset = 0. ; Solar_Azimuth:Parameter_Type = "MODIS Input" ; Solar_Azimuth:Cell_Along_Swath_Sampling = 3, 2028, 5 ; Solar_Azimuth:Cell_Across_Swath_Sampling = 3, 1348, 5 ; Solar_Azimuth:Geolocation_Pointer = "Internal geolocation arrays" ; short Sensor_Zenith(Cell_Along_Swath_5km:mod35, Cell_Across_Swath_5km:mod35) ; Sensor_Zenith:valid_range = 0s, 18000s ; Sensor_Zenith:_FillValue = -32767s ; Sensor_Zenith:long_name = "Sensor Zenith Angle, Cell to Sensor" ; Sensor_Zenith:units = "degrees" ; Sensor_Zenith:scale_factor = 0.009999999776482582 ; Sensor_Zenith:add_offset = 0. ; Sensor_Zenith:Parameter_Type = "MODIS Input" ; Sensor_Zenith:Cell_Along_Swath_Sampling = 3, 2028, 5 ; Sensor_Zenith:Cell_Across_Swath_Sampling = 3, 1348, 5 ; Sensor_Zenith:Geolocation_Pointer = "Internal geolocation arrays" ; short Sensor_Azimuth(Cell_Along_Swath_5km:mod35, Cell_Across_Swath_5km:mod35) ; Sensor_Azimuth:valid_range = -18000s, 18000s ; Sensor_Azimuth:_FillValue = -32767s ; Sensor_Azimuth:long_name = "Sensor Azimuth Angle, Cell to Sensor" ; Sensor_Azimuth:units = "degrees" ; Sensor_Azimuth:scale_factor = 0.009999999776482582 ; Sensor_Azimuth:add_offset = 0. ; Sensor_Azimuth:Parameter_Type = "MODIS Input" ; Sensor_Azimuth:Cell_Along_Swath_Sampling = 3, 2028, 5 ; Sensor_Azimuth:Cell_Across_Swath_Sampling = 3, 1348, 5 ; Sensor_Azimuth:Geolocation_Pointer = "Internal geolocation arrays" ; short Cloud_Mask_SPI(Cell_Along_Swath_1km:mod35, Cell_Across_Swath_1km:mod35, SPI_nband:mod35) ; Cloud_Mask_SPI:valid_range = 0s, 20000s ; Cloud_Mask_SPI:_FillValue = -9999s ; Cloud_Mask_SPI:long_name = "Dispersion in bands 1 (plane 1) and 2 (plane 2) from 250m reflectance statistics of cloud mask" ; Cloud_Mask_SPI:units = "percent" ; Cloud_Mask_SPI:scale_factor = 0.009999999776482582 ; Cloud_Mask_SPI:add_offset = 0. ; Cloud_Mask_SPI:Parameter_Type = "Output" ; Cloud_Mask_SPI:Cell_Along_Swath_Sampling = 1, 2030, 1 ; Cloud_Mask_SPI:Cell_Across_Swath_Sampling = 1, 1354, 1 ; Cloud_Mask_SPI:Geolocation_Pointer = "External MODIS geolocation product" ; byte Cloud_Mask(Byte_Segment:mod35, Cell_Along_Swath_1km:mod35, Cell_Across_Swath_1km:mod35) ; Cloud_Mask:valid_range = '\0', '\377' ; Cloud_Mask:_FillValue = '\0' ; Cloud_Mask:long_name = "MODIS Cloud Mask and Spectral Test Results" ; Cloud_Mask:units = "none" ; Cloud_Mask:scale_factor = 1. ; Cloud_Mask:add_offset = 0. ; Cloud_Mask:Parameter_Type = "Output" ; Cloud_Mask:Cell_Along_Swath_Sampling = 1, 2030, 1 ; Cloud_Mask:Cell_Across_Swath_Sampling = 1, 1354, 1 ; Cloud_Mask:Geolocation_Pointer = "External MODIS geolocation product" ; Cloud_Mask:description = "\\n \n", " \n", " Bit fields within each byte are numbered from the left: \n", " 7, 6, 5, 4, 3, 2, 1, 0. \n", " The left-most bit (bit 7) is the most significant bit. \n", " The right-most bit (bit 0) is the least significant bit. \n", " \n", " bit field Description Key \n", " --------- ----------- --- \n", " \n", " 0 Cloud Mask Flag 0 = Not determined \n", " 1 = Determined \n", " \n", " 2, 1 Unobstructed FOV Quality Flag 00 = Cloudy \n", " 01 = Uncertain \n", " 10 = Probably Clear \n", " 11 = Confident Clear \n", " PROCESSING PATH \n", " --------------- \n", " 3 Day or Night Path 0 = Night / 1 = Day \n", " 4 Sunglint Path 0 = Yes / 1 = No \n", " 5 Snow/Ice Background Path 0 = Yes / 1 = No \n", " 7, 6 Land or Water Path 00 = Water \n", " 01 = Coastal \n", " 10 = Desert \n", " 11 = Land \n", " ____ END BYTE 1 ______________ ___________________________________________ \n", " \n", " bit field Description Key \n", " --------- ----------- --- \n", " \n", " 1-KM FLAGS \n", " ---------------------- \n", " 0 Non- cloud obstruction Flag 0 = Yes / 1 = No \n", " 1 Thin Cirrus Detected (Solar) 0 = Yes / 1 = No \n", " 2 Snow cover from ancillary map 0 = Yes / 1 = No \n", " 3 Thin Cirrus Detected (Infrared) 0 = Yes / 1 = No \n", " 4 Cloud Adjacency (cloudy, probably 0 = Yes / 1 = No \n", " cloudy plus 1-pixel adjacent) \n", " 5 Cloud Flag - IR Threshold 0 = Yes / 1 = No \n", " 6 High Cloud Flag - CO2 Test 0 = Yes / 1 = No \n", " 7 High Cloud Flag - 6.7 micron Test 0 = Yes / 1 = No \n", " ____ END BYTE 2 ______________ ___________________________________________ \n", " \n", " bit field Description Key \n", " --------- ----------- --- \n", " \n", " 0 High Cloud Flag - 1.38 micron Test 0 = Yes / 1 = No \n", " 1 High Cloud Flag - 3.9- 12 micron Test 0 = Yes / 1 = No \n", " 2 Cloud Flag - IR Temperature 0 = Yes / 1 = No \n", " Difference \n", " 3 Cloud Flag - 3.9- 11 micron Test 0 = Yes / 1 = No \n", " 4 Cloud Flag - Visible Reflectance Test 0 = Yes / 1 = No \n", " 5 Cloud Flag - Visible/NIR Reflectance 0 = Yes / 1 = No \n", " Ratio Test \n", " 6 Cloud Flag - NDVI Clear Sky Restoral 0 = Yes / 1 = No \n", " Test \n", " 7 Cloud Flag - Night Land and Polar 0 = Yes / 1 = No \n", " 7.3-11 micron Test \n", " ____ END BYTE 3 ______________ ___________________________________________ \n", " \n", " bit field Description Key \n", " --------- ----------- --- \n", " \n", " 0 Cloud Flag - Ocean 8.6- 11 micron Test 0 = Yes / 1 = No \n", " 1 Cloud Flag - Clear Sky Restoral Test 0 = Yes / 1 = No \n", " Spatial Consistency \n", " 2 Cloud Flag - Clear Sky Restoral Test 0 = Yes / 1 = No \n", " Polar Night, Land, Sun-glint \n", " 3 Cloud Flag - Surface Temperature Test 0 = Yes / 1 = No \n", " 4 Suspended Dust Flag 0 = Yes / 1 = No \n", " 5 Cloud Flag - Night Ocean 8.6- 7.3 micron 0 = Yes / 1 = No \n", " Test \n", " 6 Cloud Flag - Night Ocean 11 micon 0 = Yes / 1 = No \n", " Spatial Variability Test \n", " 7 Cloud Flag - Night Ocean Low Emissivity 0 = Yes / 1 = No \n", " Low Cloud 3.9-11 micron Test \n", " ____ END BYTE 4 ______________ ___________________________________________ \n", " \n", " bit field Description Key \n", " --------- ----------- --- \n", " \n", " 250-m Cloud Flag - Visible Tests \n", " -------------------------------- \n", " 0 Element(1,1) 0 = Yes / 1 = No \n", " 1 Element(1,2) 0 = Yes / 1 = No \n", " 2 Element(1,3) 0 = Yes / 1 = No \n", " 3 Element(1,4) 0 = Yes / 1 = No \n", " 4 Element(2,1) 0 = Yes / 1 = No \n", " 5 Element(2,2) 0 = Yes / 1 = No \n", " 6 Element(2,3) 0 = Yes / 1 = No \n", " 7 Element(2,4) 0 = Yes / 1 = No \n", " ____ END BYTE 5 ______________ ___________________________________________ \n", " \n", " bit field Description Key \n", " ---------- ----------- --- \n", " \n", " 0 Element(3,1) 0 = Yes / 1 = No \n", " 1 Element(3,2) 0 = Yes / 1 = No \n", " 2 Element(3,3) 0 = Yes / 1 = No \n", " 3 Element(3,4) 0 = Yes / 1 = No \n", " 4 Element(4,1) 0 = Yes / 1 = No \n", " 5 Element(4,2) 0 = Yes / 1 = No \n", " 6 Element(4,3) 0 = Yes / 1 = No \n", " 7 Element(4,4) 0 = Yes / 1 = No \n", " ____ END BYTE 6 ______________ ___________________________________________ \n", "" ; byte Quality_Assurance(Cell_Along_Swath_1km:mod35, Cell_Across_Swath_1km:mod35, QA_Dimension:mod35) ; Quality_Assurance:valid_range = '\0', '\377' ; Quality_Assurance:_FillValue = '\0' ; Quality_Assurance:long_name = "Quality Assurance for Cloud Mask" ; Quality_Assurance:units = "none" ; Quality_Assurance:scale_factor = 1. ; Quality_Assurance:add_offset = 0. ; Quality_Assurance:Parameter_Type = "Output" ; Quality_Assurance:Cell_Along_Swath_Sampling = 1, 2030, 1 ; Quality_Assurance:Cell_Across_Swath_Sampling = 1, 1354, 1 ; Quality_Assurance:Geolocation_Pointer = "External MODIS geolocation product" ; Quality_Assurance:description = "\\n \n", " Product Run Time QA Flags \n", " QA Flag Name Number of Bits Bit Value Description \n", " ------------------------------------------------------------- \n", " Cloud Mask QA 1 0 not useful \n", " (1km) 1 useful \n", " \n", " Cloud Mask 3 0-7 8 confidence levels \n", " Confidence QA \n", " (1km) \n", " \n", " Spares 4 \n", " -------- ( 1 byte total ) -------------------------------- \n", " \n", " Optional run time QA flags - Individual test application \n", " \n", " QA Flag Name Number of Bits Bit Value Description \n", " ------------------------------------------------------------- \n", " NCO test 1 0 Not Applied \n", " 1 Applied \n", " \n", " Thin Cirrus 1 0 Not Applied \n", " test (Solar) 1 Applied \n", " \n", " Ancillary Snow Map 1 NA NA \n", " \n", " Thin Cirrus 1 0 Not Applied \n", " test(IR) 1 Applied \n", " \n", " Cloud Adjancency 1 0 Not Applied \n", " test(IR) 1 Applied \n", " \n", " IR Threshold 1 0 Not Applied \n", " test 1 Applied \n", " \n", " High Cloud 1 0 Not Applied \n", " Test (CO2) 1 Applied \n", " \n", " High Cloud 1 0 Not Applied \n", " Test (6.7) 1 Applied \n", " \n", " High Cloud 1 0 Not Applied \n", " Test (1.38) 1 Applied \n", " \n", " High Cloud 1 0 Not Applied \n", " Test (3.9-12um) 1 Applied \n", " \n", " IR Temperature 1 0 Not Applied \n", " Difference Tests 1 Applied \n", " \n", " 3.9-11um Test 1 0 Not Applied \n", " 1 Applied \n", " \n", " .68 Reflectance 1 0 Not Applied \n", " Test 1 Applied \n", " \n", " Visible Ratio 1 0 Not Applied \n", " Test 1 Applied \n", " \n", " NDVI Clear Sky 1 0 Not Applied \n", " Restoral Test 1 Applied \n", " \n", " 7.3-11 um Test 1 0 Not Applied \n", " 1 Applied \n", " \n", " 8.6-11 um Test 1 0 Not Applied \n", " 1 Applied \n", " \n", " Spatial Variability 1 0 Not Applied \n", " Clear Sky Restoral 1 Applied \n", " Test \n", " \n", " Clear Sky Restoral 1 0 Not Applied \n", " Tests 1 Applied \n", " \n", " Night Water 1 0 Not Applied \n", " Spatial Variability 1 Applied \n", " \n", " Suspended Dust Test 1 0 Not Applied \n", " 1 Applied \n", " \n", " Night Water 1 0 Not Applied \n", " 8.6-7.3 um Test 1 Applied \n", " \n", " Night Water 11 um 1 0 Not Applied \n", " Variability Test 1 Applied \n", " \n", " Night Water Low 1 0 Not Applied \n", " Emissivity Low 1 Applied \n", " Cloud Test \n", " \n", " 250 m Visible 1(16) 0 Not Applied \n", " Tests 1 Applied \n", " (16 times as (line1,element1),(line1, element2),... \n", " (line4,element4)) \n", " \n", " -------- ( 5 bytes total ) -------------------------------- \n", " \n", " Optional run time QA flags - data information flags \n", " \n", " QA Flag Name Number of Bits Bit Value Description \n", " ------------------------------------------------------------- \n", " Number of 2 0 None \n", " bands used to 1 1-7 \n", " generate 2 8-14 \n", " cloud mask 3 15-21 \n", " \n", " Number of 2 0 None \n", " spectral 1 1-3 \n", " tests used to 2 4-6 \n", " generate 3 7-9 \n", " cloud mask \n", " \n", " Spares 4 \n", " \n", " -------- ( 1 byte total ) -------------------------------- \n", " \n", " Optional run time QA flags - data resource flags \n", " \n", " QA Flag Name Number of Bits Bit Value Description \n", " ------------------------------------------------------------- \n", " Clear 2 0 MOD35 \n", " Radiance 1 Model forward calculation \n", " Origin 2 Other \n", " 3 Not used \n", " \n", " Surface 2 0 NCEP GDAS \n", " Temperature 1 DAO \n", " Over Land 2 MOD11 \n", " 3 Other \n", " \n", " Surface 2 0 Reynolds blended \n", " Temperature 1 DAO \n", " Over Ocean 2 MOD28 \n", " 3 Other \n", " \n", " Surface Winds 2 0 NCEP GDAS \n", " 1 DAO \n", " 2 Other \n", " 3 Not used \n", " \n", " Ecosystem Map 2 0 Loveland NA 1km \n", " 1 Olson Ecosystem \n", " 2 MOD12 \n", " 3 Other \n", " \n", " Snow mask 2 0 MOD33 \n", " 1 SSMI Product \n", " 2 Other \n", " 3 Not used \n", " \n", " Ice cover 2 0 MOD42 \n", " 1 SSMI product \n", " 2 Other \n", " 3 Not used \n", " \n", " Land/Sea Mask 2 0 USGS 1 km 6 level \n", " 1 USGS 1 km binary \n", " 2 Other \n", " 3 Not used \n", " \n", " Digital 1 0 EOS DEM \n", " Elevation 1 Not used \n", " Model \n", " \n", " Precipitable 2 0 NCEP GDAS \n", " Water 1 DAO \n", " 2 MOD07 \n", " 3 Other \n", " \n", " Spare 5 \n", " \n", " -------- ( 3 bytes total ) -------------------------------- \n", " \n", "" ; // global attributes: :HDFEOSVersion = "HDFEOS_V2.17" ; :StructMetadata.0 = "GROUP=SwathStructure\n", "\tGROUP=SWATH_1\n", "\t\tSwathName=\"mod35\"\n", :identifier_product_doi = "10.5067/MODIS/MYD35_L2.006" ; :identifier_product_doi_authority = "http://dx.doi.org" ; }