# info.description
The POLARIS Soils Data Layers API provides a spatially continuous, internally consistent, quantitative prediction of soil series at a 30 m spatial resolution for the contiguous United States. 

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# paths./get.get.description
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Polaris is a recently developed soil data set that provides additional soil attributes. The POLARIS Soils Data Layers API provides a spatially continuous, internally consistent, quantitative prediction of soil series at a 30 m spatial resolution for the contiguous United States.

Polaris Soils in Ag-Analytics FarmScope.

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Click the Jupyter Notebook Github Repo to access the Jupyter Notebook .ipynb files and
instructions needed in order to run this APIs Jupyter Notebook.

Request Parameters ▼

Request Parameter Details

Parameter

Data Type

Required?

Options

Description

inputShape

Esri Geometry

Yes

See esriGeometryType
Constants

The shape information for the field,
as an Esri Geometry object

SoilValue

String

Yes

See SoilValue
Details Table

Soil property to generate map of.

Statistics

String

Yes

min, max,mean, and var

Statistics options

SoilHorizon

String

Yes

'0-5','5-15','15-30',
'30-60', '60-100', '100-200'

Soil depth in cm

SoilValue Variables ▼

SoilValue Details

The following variables can be used for the "SoilValue" parameter

Variable

Units

Description

Variable

Units

Description

silt

%

Silt percentage

ksat

cm/hr

Saturated hydraulic conductivity

sand

%

Sand percentage

resdt

cm

Depth to restriction layer

clay

%

Clay Percentage

ph

N/A

Soil pH in H2O

bd

g/cm3

Bulk Density

om

%

Organic matter percentage

awc

m3/m3

Available water content

caco3

%

Calcium carbonate percentage

theta_s

m3/m3

Saturated soil water content

cec

meq/100g

Cation exchange capacity in soil

theta_r

m3/m3

Residual soil water content

lambda

N/A

Pore size distribution index
(brooks-corey)

theta_33

m3/m3

Soil water content at field
capacity

hb

cm

Bubbling pressure
(brooks-corey)

theta_1500

m3/m3

Soil water content at the
wilting point

n

N/A

Measure of the pore size
distribution (van genuchten)

alpha

cm-1

Scale parameter inversely
proportional to mean pore
diameter (van genuchten)

# paths./get.get.parameters[].description
The shape information for field in esriGeometryPolygon format. 

# paths./get.get.parameters[].description
Statistics options are: min, max, mean, and variance