Minimize Integrated Water Vapour Column over Water

The integrated water vapour column over water is the main variable included in the iwv.nc file.

The following table provides the main characteristics of this variable including coverage, parameter ID, time latency, sampling and bands used in the associated product. The ancillary and auxiliary data provides the variables used during processing and are provided in Auxiliary Data Files (ADFs).

 

 

PRODUCT NAME Integrated Water Vapour Column Over Sea
PARAMETER ID IWV
PRODUCT LEVEL 2
DESCRIPTION Total amount of water vapour integrated over an atmosphere column and associated error estimates.
PRODUCT PARAMETERS
COVERAGE global
PACKAGING half-orbit
LATENCY NRT, NTC
UNITS kg m-2
RANGE 1-70
SAMPLING Spatial: approximately 300 m x 300 m (FR) and 1.2 km x 1.2 km (RR); spectral: N/A
FORMAT% 2-bytes / sample
APPENDED DATA Error estimate (1-byte integer)
FREQUENCY 1 product per orbit
SIZE OF PRODUCT Approx. 0.54 GB (FR), 35 MB (RR)
ADDITIONAL INFORMATION
INPUT BANDS Oa18 (885 nm), Oa19 (900 nm)
ANCILLARY AND AUXILIARY DATA Polynomial LUT: illumination/viewing angle, surface type, aerosol optical depth (above water).