By What is Mukey soil?
The mapunit key (mukey) field needs to be in the spatial data attribute table in order to use the Soil Data Viewer ArcGIS extension. It is also very useful when working with spatial and tabular data that contains more than one subset survey area. The mukey is unique nationally.
How do you identify a hydrologic soil group?
The depth and hydraulic conductivity of any water im- permeable layer and the depth to any high water table are used to determine correct hydrologic soil group for the soil. The property that is most limiting to water movement generally determines the soil’s hydrologic group.
What does Ssurgo stand for?
Soil Survey Geographic database
SSURGO (Soil Survey Geographic database) refers to digital soils data produced and distributed by the Natural Resources Conservation Service (NRCS) – National Cartography and Geospatial Center (NCGC) in the United States.
What is NRCS soil survey?
Web Soil Survey (WSS) provides soil data and information produced by the National Cooperative Soil Survey. It is operated by the USDA Natural Resources Conservation Service (NRCS) and provides access to the largest natural resource information system in the world.
What does Musym mean?
Map Unit Symbol
MUSYM is an abbreviation for Map Unit Symbol. It is a shortened string for the Map Unit Name. You should have also received a series of tables (either as text files, personal geodatabase, or FGDB) with the spatial data.
What is tabular and spatial soil?
Soil data consists of spatial and tabular data. Spatial data consist of soil lines and symbols. Tabular data contain rows and columns of information about specific types of soil.
What are the 4 hydrologic soil groups?
The four Hydrologic Soils Groups are A, B, C and D. Where A’s generally have the smallest runoff potential and Ds the greatest.
What is hydrological soil group?
The Natural Resource Conservation Service has categorized soils into four hydrological groups; A, B, C and D. Group A soils have the highest infiltration rates and the lowest potential runoff, and group D soils have the lowest infiltration rates and greatest potential of runoff [46] .
What is a soil series name?
The name of a soil series is the common reference term, used to name soil map units. Soil series are the most homogenous classes in the system of taxonomy. “Official Soil Series Descriptions” define specific soil series in the United States, Territories, Commonwealths, and Island Nations served by USDA – NRCS .
What is a soil map unit?
• A soil map unit is a collection of areas. defined and named the same in terms of. their soil components (e.g., series) or. miscellaneous areas or both. – Fallsington sandy loam, 0 to 2% slopes.
What are the main types of soil survey?
METHODS OF SOIL SURVEY :There are three main stages , pre-field preparations , field surveys and post- field operations .
What is soil layer?
Soil is made up of distinct layers, called horizons. A HORIZON- This is the layer that we call “topsoil” and it is located just below the O Horizon. This layer is made up of minerals and decomposed organic matter and it is also very dark in color. This is the layer that many plants roots grow in.
What does ssurgo stand for in soil survey?
Exports from the Soil Data Mart are delivered in what is referred to as Soil Survey Geographic Database (SSURGO) format. The following documents, diagrams, and reports describe the SSURGO standard and STATSGO2, as well as the tools and procedures that are necessary to effectively use this data. What is SSURGO?
How can I use ssurgo to download soil data?
This application provides quick access to ready-to-use project packages filled with useful soil data derived from the SSURGO dataset. To use this application, navigate to your study area and click the map. A pop-up window will open. Click download and the project package will be copied to your computer.
What do you need to know about the ssurgo database?
Description of SSURGO Database. The SSURGO database contains information about soil as collected by the National Cooperative Soil Survey over the course of a century.
What do you need to know about Vermont ssurgo?
Summary – what is SSURGO? Vermont SSURGO (Soil Survey Geographic Database) information includes the digital soil maps and the accompanying soil properties and interpretations database. This data is primarily used in GIS applications. The SSURGO user should be knowledgeable of the structure of the soil database and familiar with GIS technology.