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Frozen Soil Output File

When the model is run with the frozen soil algorithms, a third output file is produced which contains soil thermal output parameters. Since the frozen soils algorithm only works in with the full energy balance, there is only one format for the output file.

Each output file contains model output from one grid cell. The files use the naming convention "fdepth_xx.xx_yy.yy", where xx.xx is the latitude, and yy.yy is the longitude. The number of decimal places in the output file is determined by GRID_DECIMAL in the model control file, while the latitude and longitude values come from the soil parameter file.


Frozen Soil Output File

ASCII Format

Data is in an ASCII column format:

Column

Variable Name

Units

Description

1

year

year

Year of current record

2

month

month

Month of current record

3

day

day

Day of current record

4

hour

hour

Hour of current record (present only if model is run at a sub-daily time step).

Repeats for all frost fronts

5:(Nfronts*2)+4:2

fdepth[]

cm

Depth of the freezing front

6:(Nfronts*2)+5:2

tdepth[]

cm

Depth of the thawing front

End of file does not repeat.

(Nfronts*2)+6:(Nfronts*2)+Nlayers+5

moist[]

mm

Total soil moisture in each layer (liquid water plus ice)

Example File:

 

Binary Format

Data is in a Binary record format:

Column

Variable Type

Variable Name

Units

Description

1

int

year

year

Year of current record

2

int

month

month

Month of current record

3

int

day

day

Day of current record

4

int

hour

hour

Hour of current record (present only if model is run at a sub-daily time step).

Repeats for all frost fronts

5:(Nfronts*2)+4:2

float

fdepth[]

cm

Depth of the freezing front

6:(Nfronts*2)+5:2

float

tdepth[]

cm

Depth of the thawing front

End of file does not repeat.

(Nfronts*2)+6:(Nfronts*2)+Nlayers+5

float

moist[]

mm

Total soil moisture in each layer (liquid water plus ice)

Example File:

 


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Last modified: Tue Jul 11 16:42:28 PDT 2000