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Folders: ROOT > ScienceBase Catalog > LC MAP - Landscape Conservation Management and Analysis Portal > National Data: Links and GIS Services > Soil Characteristics ( Show all descendants )

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_ScienceBase Catalog
__LC MAP - Landscape Conservation Management and Analysis Portal
___National Data: Links and GIS Services
____Soil Characteristics
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This map service is an information surface which displays whether a soil map unit has no hydric components, some hydric components, or if all the components in a soil map unit are hydric. Each soil map unit polygon falls into one of the following classes according to NRCS: All hydric, Partially hydric, Not hydric, and Unknown. Esri is providing NRCS SSURGO content here without modification except for some cartography and publishing necessary to facilitate esri user access to these data. Of course, esri will continue to update this information as new editions of the SSURGO dataset are published by NRCS. This map service is a representation of the NRCS SSURGO data table MUAGGATT, field HYDCLPRS. The map service...
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This map service is an information surface which displays the irrigated land capability class of each soil map unit based upon the dominant component in the soil map unit. Every soil component in the United States may be classified under one of the following land capability class categories: 1. Soils have slight limitations that restrict their use. 2. Soils have moderate limitations that reduce the choice of plants or require moderate conservation practices. 3. Soils have severe limitations that reduce the choice of plants or require special conservation practices, or both. 4. Soils have very severe limitations that restrict the choice of plants or require very careful management, or both. 5. Soils have little...
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This map service is an information surface representing the amount of available water storage (AWS) that is available to plants in the top 50cm (1.64 Feet) of soil. Available Water Storage (AWS) is expressed as centimeters of water, reported as the average of all components in the map unit. AWS is calculated from AWC (Available Water Capacity) which is commonly estimated as the difference between the water contents at 1/10 or 1/3 bar (field capacity) and 15 bars (permanent wilting point) tension, and adjusted for salinity and fragments. Available Water Storage (AWS) surfaces are available through arcgis.com for four soil depths, 25, 50, 100, and 150 centimeters from the surface of the soil. They are available...
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This map service is an information surface representing the shallowest distance to the top of a wet soil layer (the water table) within a soil map unit polygon. The value is the annual minimum as well as the component minimum, so the reported value is the nearest the water table gets to the surface of any significant component in the map unit at any time during the year. Although there is data for the whole United States for water table depths, not every map unit polygon has a value. Some parts of the United States have more complete coverage of water table depth than others, but values for water table depth depth are still rather piecemeal in character. Quite often, in many places, more than half of the soil...
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This map service is an information surface representing the amount of available water storage (AWS) that is available to plants in the top 100cm (3.28 Feet) of soil. Available Water Storage (AWS) is expressed as centimeters of water, reported as the average of all components in the map unit. AWS is calculated from AWC (Available Water Capacity) which is commonly estimated as the difference between the water contents at 1/10 or 1/3 bar (field capacity) and 15 bars (permanent wilting point) tension, and adjusted for salinity and fragments. Available Water Storage (AWS) surfaces are available through arcgis.com for four soil depths, 25, 50, 100, and 150 centimeters from the surface of the soil. They are available...
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This map service is an information surface representing the shallowest distance to the top of a bedrock layer within a soil map unit polygon. To calculate this value, any component or combination of components in a soil map unit polygon that are greater than or equal to 15% of the whole soil map unit are considered significant. And of these significant components, the shallowest distance to bedrock is reported by this service. This means the average distance to bedrock of the entire soil map unit should be deeper than is reported here, but the shallowest distance is the more important information surface since this value limits capabilities and activities on the surface. Although there is data for the whole...
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This map service is an information surface representing the amount of available water storage (AWS) that is available to plants in the top 150cm (4.92 Feet) of soil. Available Water Storage (AWS) is expressed as centimeters of water, reported as the average of all components in the map unit. AWS is calculated from AWC (Available Water Capacity) which is commonly estimated as the difference between the water contents at 1/10 or 1/3 bar (field capacity) and 15 bars (permanent wilting point) tension, and adjusted for salinity and fragments. Available Water Storage (AWS) surfaces are available through arcgis.com for four soil depths, 25, 50, 100, and 150 centimeters from the surface of the soil. They are available...
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This map service is an information surface representing the dominant class within the soil map unit polygon for soil drainage class. Each component (and therefore soil map unit polygon) falls into one of the following classes according to NRCS: Very Poorly Drained, Poorly Drained, Somewhat Poorly Drained, Moderately Well Drained, Well Drained, Somewhat Excessively Drained and Excessively Drained. Of soil components which make up greater than or equal to 15% of the soil map unit, the wettest component is reported by the map service. Another service exists for drainage class which reports the dominant class in the soil map unit. The concept is similar but for some purposes knowing the dominant component may be...
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This map service is an information surface representing the dominant class within the soil map unit polygon for soil drainage class. Each component (and therefore soil map unit polygon) falls into one of the following classes according to NRCS: Very Poorly Drained, Poorly Drained, Somewhat Poorly Drained, Moderately Well Drained, Well Drained, Somewhat Excessively Drained and Excessively Drained. The class belonging to the component that makes up the highest percentage of the map unit is reported by the map service. Another service exists for drainage class which reports the wettest class in the soil map unit. The concept is similar but for some purposes knowing the wettest component may be the most useful piece...
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This map service is an information surface which displays the (nonirrigated) land capability class of each soil map unit based upon the dominant component in the soil map unit. Every soil component in the United States may be classified under one of the following land capability class categories: 1. Soils have slight limitations that restrict their use. 2. Soils have moderate limitations that reduce the choice of plants or require moderate conservation practices. 3. Soils have severe limitations that reduce the choice of plants or require special conservation practices, or both. 4. Soils have very severe limitations that restrict the choice of plants or require very careful management, or both. 5. Soils have...
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This map service is an information surface representing the dominant class within the soil map unit polygon for flooding frequency probability. Each component (and therefore soil map unit polygon) falls into one of the following classes according to NRCS: None, Very rare, Rare, Occasional, Frequent, and Very frequent. The class belonging to the component that makes up the highest percentage of the map unit is reported by the map service. Another service exists for flooding frequency class which reports the most frequent class in the soil map unit. The concept is similar but for some purposes knowing the most frequently flooding component may be the most useful piece of information to know about soil map unit...
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This map service is an information surface representing the maximum class within the soil map unit polygon for flooding frequency probability. Each component (and therefore soil map unit polygon) falls into one of the following classes according to NRCS: None, Very rare, Rare, Occasional, Frequent, and Very frequent. This service reports the significant component (making up at least 15% of the map unit) with the maximum flooding frequency probability class. Another service exists for flooding frequency class which reports the dominant class in the soil map unit. The concept is similar but for some cases knowing the dominant flooding frequency component may be a more useful information surface. Esri is providing...
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This map service is an information surface which displays the hydrologic soil group class of each soil map unit based upon the dominant component in the soil map unit. Hydrologic soil groups are based on estimates of runoff potential. Soils are assigned to one of four groups according to the rate of water infiltration when the soils are not protected by vegetation, are thoroughly wet, and receive precipitation from long-duration storms. The soils in the United States are assigned to four groups (A, B, C, and D) and three dual classes (A/D, B/D, and C/D). The groups are defined as follows: Group A. Soils having a high infiltration rate (low runoff potential) when thoroughly wet. These consist mainly of deep, well...
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This map service is an information surface representing the amount of available water storage (AWS) that is available to plants in the top 25cm (9.84 inches) of soil. Available Water Storage (AWS) is expressed as centimeters of water, reported as the average of all components in the map unit. AWS is calculated from AWC (Available Water Capacity) which is commonly estimated as the difference between the water contents at 1/10 or 1/3 bar (field capacity) and 15 bars (permanent wilting point) tension, and adjusted for salinity and fragments. Available Water Storage (AWS) surfaces are available through arcgis.com for four soil depths, 25, 50, 100, and 150 centimeters from the surface of the soil. They are available...
    map background search result map search result map Annual Minimum Soil Depth To Water Table Wettest Soil Drainage Class Dominant Soil Drainage Class Dominant Soil Flooding Frequency Probability Class Maximum Soil Flooding Frequency Probability Class Soil Capability Class Without Irrigation Soil Capability Class When Irrigated Dominant Soil Hydrologic Group Available Water Storage In Soil To 100cm Depth - Weighted Average Minimum Depth Through Soil To Bedrock Available Water Storage In Soil To 50cm Depth - Weighted Average Available Water Storage In Soil To 150cm Depth - Weighted Average Available Water Storage In Soil To 25cm Depth - Weighted Average Presence of Hydric Soil Components Annual Minimum Soil Depth To Water Table Wettest Soil Drainage Class Dominant Soil Drainage Class Dominant Soil Flooding Frequency Probability Class Maximum Soil Flooding Frequency Probability Class Soil Capability Class Without Irrigation Soil Capability Class When Irrigated Dominant Soil Hydrologic Group Available Water Storage In Soil To 100cm Depth - Weighted Average Minimum Depth Through Soil To Bedrock Available Water Storage In Soil To 50cm Depth - Weighted Average Available Water Storage In Soil To 150cm Depth - Weighted Average Available Water Storage In Soil To 25cm Depth - Weighted Average Presence of Hydric Soil Components