Integrated Water Vapour Column Over Water
The Integrated Water Vapour Column Over land 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 of the associated product. The ancillary and auxiliary data provides the variables used during processing and are provided in Auxiliary Data Files (ADFs).
PRODUCT NAME | Water vapour content over land |
PARAMETER ID | IWV |
PRODUCT LEVEL | 2 |
DESCRIPTION | Total amount of water vapour integrated over an atmosphere column, and associated error estimates. |
PRODUCT PARAMETERS | |
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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 | 1-byte integer |
APPENDED DATA | Error estimate (1-byte integer) |
FREQUENCY | 1 product per orbit |
SIZE OF PRODUCT | VApprox. 0.54 GB (FR), 35 MB (RR) |
ADDITIONAL INFORMATION | |
INPUT BANDS | Oa18 (885 nm), Oa19 (900 nm) |
ANCILLARY AND AUXILIARY DATA | Illumination/viewing angles. Surface albedo slope LUT. ECMWF air pressure, wind modulus. |