The statsgo spatial and tabular data were revised and updated in 2006. Physics, mathematics, computer science, engineering and technology to analyze the umpqua valley avas soils, data were obtained from the state soil geographic statsgo data base for douglas county area, oregon nrcs, 1997. The natural resources conservation service nrcs national cartography and geospatial center ncgc previously archived and distributed the state soil geographic statsgo database. Soil data access is the name of a suite of web services and applications whose purpose is to meet requirements for requesting and delivering soil survey spatial and tabular data that are not met by the web soil survey and geospatial data gateway websites. Currently, statsgo data is available for the entire united states as well as puerto rico. Click the soil data explorer tab to access soil data for your area and determine the suitability of the soils for a particular use. United states general soil map statsgo2 the digital general soil map of the united states or statsgo2 is a broadbased inventory of soils and nonsoil areas that occur in a repeatable pattern on the landscape and that can be cartographically shown at the scale mapped of 1. Users on the essc network may also directly access the arcinfo coverage and tables directories for each state.
To save space in your file area, you will just view the statsgo coverage for texas from my directory using arcview, rather than copying it over into your own file directory. The statsgo data use information document states that statsgo data are not detailed enough to make interpretations at a county level u. The ssurgo data also has a finer resolution than statsgo. State soil geographic statsgo data base for thecoternimous. This document explains how to obtain and prepare ssurgo and statsgo2 data. Pat relates on the basis of a map unit identifier the 10,498 map units to 78,518 polygons. Select the download statsgo data link under the section titled database access. Importing data with gis import the gssurgo 10m raster product from geospatial data gateway replacement for soil data mart, or import the gssurgo product and hydric soils query, or import ssurgo or statsgo vector data using soil data viewer to produce interpretative maps and layers. The ssurgo user should be knowledgeable of the structure of the soil database and familiar with gis technology. A new release is planned for the second quarter of each federal fiscal year. It can be downloaded from the qgis download page, where you should select the long term release repository, and the 64 bit standalone installer. The composition of the statsgo map unit can be characterized independently for the land use and for the soil component, but there are no data on their joint. It consists of a broad based inventory of soils and nonsoil areas that occur in a repeatable pattern on the landscape and that can be cartographically shown at the scale mapped.
Soil survey and supersedes the state soil geographic statsgo dataset. The soil map units are linked to attributes in the map unit interpretations record relational data base which gives the proportionate extent of the component soils and their properties. Using soil data from the usda geospatial data gateway in. The coverage is in arcview shapefile format and has been compressed with winzip. There are several download options if you want the soils data for a. This is an arctoolbox designed to process and manage ssurgo downloads from web soil survey and use them to create gssurgo databases. The soil maps for statsgo are compiled by generalizing more.
These data are available for download from the usda geospatial data gateway select direct data download and soil geographic databases. Click the download statsgo data link under the section titled database access. These data provide information about soil features on or near the surface of the earth. When statsgo data are overlayed with other data layers, such as land use data, caution must be used in generating statistics on the cooccurence of the land use data with the soil data.
Due to the limitations for your selected area of interest where the inclusion will be standard the entire data set will be delivered for the order area chosen. An introduction to land use coverage that introduce the anderson land use classification system. Most tabular data exist in the database as a range of soil properties, depicting the range for the geographic extent of the map unit. The data inclusion option indicates how much geographical area will be delivered with a selected map layer. Natural resources conservation service, statsgo metadata reports this data set is a digital general soil association map developed by the national cooperative soil survey. Figure 3 statsgo attribute relational data base schema.
This data set is a digital general soil association map developed by the national cooperative soil survey. This statewide statsgo generalized soils coverage was provided by the national resources conservation service nrcs. Statsgo soil polygons north dakota gis hub data portal. Statsgo soil polygons download data statsgo soil polygons. It is the one stop source for environmental and natural resources data, at any time, from anywhere, to anyone. A section on the use of the statsgo layer table to determine the average available water capacity for this soil map unit. The soil map units are linked to attributes in the national soil information system data base which gives the proportionate extent of the component soils and their properties. Downloadable from the geospatial data gateway direct data download page. It consists of a broad based inventory of soils and non soil areas that occur in a repeatable pattern on the landscape and that can be cartographically shown at the scale mapped of 1.
Also includes gssurgo mapping toolset for creating soil data viewerstyle maps and the gssurgo reporting toolset. Because of their spatially generalized nature, the statsgo data cannot be used to accurately estimate average soil characteristics for small areas. Dynamic export of soil survey data to kml through soilweb. It wasdevelped by the national cooperative soil survey and supersedes the state soil geographic statsgo data set published in 1994. Allows you to generate, print, and download reports containing soil characterization data from the kellogg soil survey laboratory. You can choose to view the results of the query immediately or, for larger volumes of data, you can choose to submit the query to be queued and run in background. The kml file contains labeled centroids, with links to the map unit descriptions which are normally found on soil web.
Statsgo soil characteristics for the conterminous united. The tabular data in this file contains estimated and measured data on the physical and chemical soil properties, soil interpretations, and static and dynamic metadata. Mar 07, 2020 this digital data release consists of an arcinfo grid and associated info tables. The conus file geodatabase has been split into smaller file sizes for ease of downloading. Publication date 1991 topics soils, soil surveys publisher. The composition of the statsgo map unit can be characterized independently for the land use and for the soil component, but there are no data on their joint occurrence at a more detailed level. United states general soil map statsgo2 the digital general soil map of the united states or statsgo2 is a broadbased inventory of soils and non soil areas that occur in a repeatable pattern on the landscape and that can be cartographically shown at the scale mapped of 1. Data for the statsgo data base are collected in 1 by 2degree topographic quadrangle units and merged and distributed as statewide coverages.
Statsgo soil data was collected from georgia gis data clearinghouse. Click or press the enter or spacebar key to view the larger image. This product includes both spatial and tabular soil data for any state or washington, d. A section that unions the statsgo data with the land use data. Web soil survey download only soil data access soil data access is the name of a suite of web services and applications whose purpose is to meet requirements for requesting and delivering soil survey spatial and tabular data, that are not being met by the current web soil survey and. Or choose the obtain statsgo soil type data from the nrcs link. This is similar to a clipping option for the map layers. Department of agriculture, 1994 soil mapping unit identifiers gridded on a 1kilometer resolution for the conterminous united states. United states general soil map statsgo2 ag data commons. This data set is a digital soil survey and generally is the most detailed level of soil geographic data developed by the national cooperative soil survey. The coverage was compiled from individual state coverages contained in the october 1994 state soil geographic statsgo data base produced on cdrom.
The info tables have soil characteristics data in them. For questions concerning these data contact dave mcmillen at david. It consists of a broad based inventory of soils and nonsoil areas that occur in a repeatable pattern on the landscape and that can be cartographically. It was developed by the national cooperative soil survey and supersedes the state soil geographic statsgo dataset published in 1994. The information was prepared by digitizing maps, by compiling information onto a planimetric correct base and digitizing, or by revising digitized maps using remotely sensed and other information. Statsgo data is defined on a statewide level, whereas ssurgo is countywide survey data.
The items in the tables are weighted average values for several soil characteristics in the statsgo data base. Additional political, watershed, or other boundaries may be intersected with the soil data. Due to the limitations for your selected area of interest where the inclusion will be standard the entire data set will be. Download data in the format and coordinate system of your choosing. State soil geographic statsgo data base for connecticut. The statebystate data from the usdanrcs cdrom is available for downloading as arcinfo export format files. State soil geographic data base statsgo internet archive. Statsgo mapunits soil texture class depth to bedrock sand, silt, clay fractions rock fragment class rock fragment volume bulk density porosity permeability available water capacity ph plasticity kfactor hydrologic soil groups curve numbers background methods data coverages citation.
Soil data access query submit your own sql or sql data shaping query to retrieve data from the soil data mart. Minor modifications have been made to the mapunit and comp tables to provide consistency in the naming and placement of the allwater mapunit. These data are intended for geographic display and analysis at the state, regional, and national level. This exercise is intended to introduce you to land use data and introduce you to the use of soils data from the statsgo soils coverage. The soil maps for statsgo are compiled by generalizing more detailed soil survey maps. They are a good, detailed source of soil data to use with qswat, but they need some preparation first.
Obtaining soil type statsgo data from the nrcs xms. The geospatial data gateway gdg provides access to a map library of over 100 high resolution vector and raster layers in the geospatial data warehouse. We have developed a multilayer soil characteristics dataset based on the usda state soil geographic database statsgo for application to a wide range of svat, climate, hydrology, and other environmental models. Individual conus soil data coverages may be found by clicking on the buttons above. This dataset is a digital soil survey and generally is the most detailed level of soil geographic data developed by the national cooperative soil survey. The percentage of that component soil in the map unit was then calculated and the sum of the component soils per map unit was determined. Analysis of the overlayed data should be on a map polygon basis. Digital general soil map of the united states statsgo2.
General soil map are available for the conterminous united. Where more detailed soil survey maps are not available, data on geology, topography, vegetation, and climate are assembled, together with land remote sensing satellite landsat images. Click the statsgo link on the left side of the page, under the quick access heading. The digital general soil map of the united states or statsgo2 is a broadbased inventory of soils and non soil areas that occur in a repeatable pattern on the landscape and that can be cartographically shown at the scale mapped of 1. Statsgo data use information united states agriculture. Obtaining soil type statsgo data from the nrcs xms wiki. It was developed by the national cooperative soil survey and supersedes the state soil geographic statsgo data set published in 1994.
Description of gridded soil survey geographic gssurgo. Soils data for the conterminous united states derived from. It consists of a broad based inventory of soils and nonsoil areas that occur in a repeatable pattern on the landscape and. It is available for download from the soil data mart. This video will explain how to download soil survey spatial and tabular data from the geospatial data gateway and how to use.
The most frequently downloaded datasets are available for direct download without placing an order. Us general soil map statsgo2 by state geospatial data. Therefore, the cellsize for these data is 1 hrap unit. Tabular data on the soil properties are provided by the info tables mapunit, comp, and layer, which are held separately from the soil coverages in the info directory. Find the most current information about hydric soils, including criteria, lists, and links to technical references and procedures. It was developed by the national cooperative soil survey and supersedes the state soil geographic statsgo dataset published in 2006. Choose the statsgo link on the lefthand side of the page, under the quick access section. I ndividual conussoil data coverages may be found by. Statsgo data use information united states agriculture state. Texas gridded soil survey geographic gssurgo sciencebase. An introduction to statsgo that shows what the files look like for texas and for the region in central texas covered by the west austin 1. The items you want saved in a report can be added to your shopping cart. We have recently added a kml export function to our online soil survey soil web.
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