I have downloaded remote sensing data and want to process the data. This is what i have done.'
filename='windsat_remss_ovw_l3_20050126_v7.0.1.nc'filename =
windsat_remss_ovw_l3_20050126_v7.0.1.nc
>> ncdisp(filename)Source: C:\Program Files\MATLAB\MATLAB Production Server\R2015a\bin\windsat_remss_ovw_l3_20050126_v7.0.1.ncFormat: classicGlobal Attributes: Conventions = 'CF-1.6' title = 'Coriolis_WindSat_L3_OW_SST_ATM_REMSS' longname = 'WindSat on Coriolis Level 3 Daily Gridded Ocean Surface Wind Vectors and Ancillary Fields from REMSS' references = 'More information is available at www.remss.com/windsat' institution = 'Remote Sensing Systems' contact = 'support@remss.com' netcdf_version_id = '3.5.0' creation_date = '2013-09-03' product_version = 'v7.0.1' processing_level = 'L3' creator_name = 'Frank J. Wentz, PI DISCOVER Project, Remote Sensing Systems' history = '9/03/2013: NetCDF files created from Remote Sensing Systems WindSat V7.0.1 data by Chelle Gentemann' platform = 'Coriolis' sensor = 'WindSat' source = 'satellite' acknowledgement = 'WindSat microwave radiometer data are processed by Remote Sensing Systems with funding from the NASA and Earth Science MEaSUREs Program and the NASA Earth Science Physical Oceanography Program.' start_date = '2005-01-26' start_time = '00:00:00 UTC' stop_date = '2005-01-26' stop_time = '09:42:00 UTC' latitude_resolution = 0.25 longitude_resolution = 0.25 southernmost_latitude = -89.875 northernmost_latitude = 89.875 westernmost_longitude = -179.875 easternmost_longitude = 179.875 file_quality_index = 1 comment = 'Please see www.remss.com for more information. Orbits separated into ascending and descending arrays. The original numerical resolution of the data used to create this product was time: 0.1 hrs, sst: 0.15 deg Celcius, wind: 0.2 m/s, vapor: 0.3 kg/m2 (1 kg m-2 = 1 mm), cloud: 0.01 kg/m2, rain: 0.1 m'Dimensions: time = 2 lat = 720 lon = 1440Variables: lat Size: 720x1 Dimensions: lat Datatype: single Attributes: long_name = 'latitude' standard_name = 'latitude' units = 'degrees_north' valid_min = -89.875 valid_max = 89.875 lon Size: 1440x1 Dimensions: lon Datatype: single Attributes: long_name = 'longitude' standard_name = 'longitude' units = 'degrees_east' valid_min = -179.875 valid_max = 179.875 time Size: 2x1 Dimensions: time Datatype: int32 Attributes: long_name = 'reference time of file' standard_name = 'time' units = 'seconds since 1981-01-01 00:00:00' sea_surface_temperature Size: 1440x720x2 Dimensions: lon,lat,time Datatype: int8 Attributes: long_name = 'sea surface temperature' standard_name = 'sea_surface_temperature' units = 'Celsius' _FillValue = -128 add_offset = 16.05 scale_factor = 0.15 valid_min = -127 valid_max = 127 dtime Size: 1440x720x2 Dimensions: lon,lat,time Datatype: int16 Attributes: long_name = 'time difference from reference time' units = 'seconds' _FillValue = -32768 add_offset = 0 scale_factor = 10 wind_speed_lf Size: 1440x720x2 Dimensions: lon,lat,time Datatype: int8 Attributes: long_name = 'wind speed low frequency' standard_name = 'wind_speed' units = 'm s-1' _FillValue = -128 add_offset = 25.4 scale_factor = 0.2 valid_min = -127 valid_max = 127 wind_speed_mf Size: 1440x720x2 Dimensions: lon,lat,time Datatype: int8 Attributes: long_name = 'wind speed medium frequency' standard_name = 'wind_speed' units = 'm s-1' _FillValue = -128 add_offset = 25.4 scale_factor = 0.2 valid_min = -127 valid_max = 127 water_vapor Size: 1440x720x2 Dimensions: lon,lat,time Datatype: int8 Attributes: long_name = 'total columnar water vapor' standard_name = 'atmosphere_mass_content_of_water_vapor' units = 'kg m-2' _FillValue = -128 add_offset = 38.1 scale_factor = 0.3 valid_min = -127 valid_max = 127 cloud_liquid_water Size: 1440x720x2 Dimensions: lon,lat,time Datatype: int8 Attributes: long_name = 'cloud liquid water' standard_name = 'atmosphere_mass_content_of_cloud_liquid_water' units = 'kg m-2' _FillValue = -128 add_offset = 1.22 scale_factor = 0.01 valid_min = -127 valid_max = 127 rain_rate Size: 1440x720x2 Dimensions: lon,lat,time Datatype: int8 Attributes: long_name = 'rain rate' standard_name = 'rainfall_rate' units = 'mm hr-1' _FillValue = -128 add_offset = 12.7 scale_factor = 0.1 valid_min = -127 valid_max = 127 wind_speed_aw Size: 1440x720x2 Dimensions: lon,lat,time Datatype: int8 Attributes: long_name = 'wind speed all weather' standard_name = 'wind_speed' units = 'm s-1' _FillValue = -128 add_offset = 25.4 scale_factor = 0.2 valid_min = -127 valid_max = 127 wind_direction Size: 1440x720x2 Dimensions: lon,lat,time Datatype: int8 Attributes: long_name = 'wind direction' standard_name = 'wind_to_direction' units = 'degrees' _FillValue = -128 add_offset = 190.5 scale_factor = 1.5 valid_min = -127 valid_max = 127I want to know how to retrieve data from the variables such as " wind_speed_aw". What are the commands that i can use to get the data.
Thank You.
>>
Best Answer