Algorithm Input and Output Data Definition (IODD)#

Input data#

Table 3 Input Data#

Parameter

Description

Shape/Amount

L1B TB

L1B Brightness Temperature at L, C and X-bands (both H and V polarization)

Full swath or swath section (Nscans, Npos)

L1B NeΔT

Random radiometric uncertainty of the channels

Full swath or swath section (Nscans, Npos)

Output data#

Table 4 Output Data#

Parameter

Description

Units

Dimensions

lon

Longitude [0\(^{\circ}\), 360\(^{\circ}\)]

deg East

(xdim\(_{grid}\), ydim\(_{grid}\))

lat

Latitude [90\(^{\circ}\)S, 90\(^{\circ}\)N]

deg North

(xdim\(_{grid}\), ydim\(_{grid}\))

time

seconds since YYYY-MM-DD 00:00:00 UTC

seconds

(xdim\(_{grid}\), ydim\(_{grid}\))

TB_L

L1b Brightness Temperature at L-band

K

(xdim\(_{grid}\), ydim\(_{grid}\))

TB_L_E

L1b Enhanced Brightness Temperature at L-band

K

(xdim\(_{grid}\), ydim\(_{grid}\))

SM

Soil Moisture

m\(^{3}\)/m\(^{3}\)

(xdim\(_{grid}\), ydim\(_{grid}\))

SM_E

Enhanced Soil Moisture

m\(^{3}\)/m\(^{3}\)

(xdim\(_{grid}\), ydim\(_{grid}\))

VOD

Vegetation Optical Depth

-

(xdim\(_{grid}\), ydim\(_{grid}\))

VOD_E

Enhanced Vegetation Optical Depth

-

(xdim\(_{grid}\), ydim\(_{grid}\))

albedo

Vegetation single scattering albedo

-

(xdim\(_{grid}\), ydim\(_{grid}\))

EASE row index

Row index in EASE2 grid

-

(xdim\(_{grid}\), ydim\(_{grid}\))

EASE column index

Column index in EASE2 grid

-

(xdim\(_{grid}\), ydim\(_{grid}\))

TB_L_RMSE

RMSE between measured and modeled TB

K

(xdim\(_{grid}\), ydim\(_{grid}\))

TB_L_E_RMSE

RMSE between enhanced and modeled TB

K

(xdim\(_{grid}\), ydim\(_{grid}\))

scene_flags

Flag to indicate difficult inversion situations

8-bit flag

(xdim\(_{grid}\), ydim\(_{grid}\))

status_flag

Product quality flag

n/a

(xdim\(_{grid}\), ydim\(_{grid}\))

Ancillary data#

Table 5 Ancillary data#

Parameter

Description

Shape/Amount

CIMR_SWF

CIMR Surface Water Fraction

(xdim\(_{grid}\), ydim\(_{grid}\))

CIMR_LST

CIMR Land Surface Temperature

(xdim\(_{grid}\), ydim\(_{grid}\))

LST

Land Surface Temperature (from ECMWF)

(xdim\(_{grid}\), ydim\(_{grid}\))

soil_texture

Clay fraction (from FAO)

(xdim\(_{grid}\), ydim\(_{grid}\))

LCC

IGBP Land Cover type Classification (from MODIS)

(17, xdim\(_{grid}\), ydim\(_{grid}\))

albedo

Vegetation single scattering albedo (from SMOS-IC)

(xdim\(_{grid}\), ydim\(_{grid}\))

H

Surface roughness information (from SMOS-IC)

(xdim\(_{grid}\), ydim\(_{grid}\))

DEM

Digital Elevation Model

(xdim\(_{grid}\), ydim\(_{grid}\))

hydrology_mask

CIMR Hydrology Target mask ([RD-1, MRD-854])

(xdim\(_{grid}\), ydim\(_{grid}\))