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Detailed Description



Advantages over other database solutions
  • Theoretical estimation of unsaturated soil properties. Over 20 theoretical and statistical methods are included for the prediction of soil-water characteristic curves and unsaturated hydraulic conductivity curves based on grain-size and other data. Estimation methods are highly valuable for the modeling of seepage through the vadose zone.
  • Pre-existing laboratory database of over 600 0 soils. Over 95% of these soils have a laboratory measured soil-water characteristic curve. Laboratory data also exists for over 2500 saturated hydraulic conductivities and over 600 unsaturated hydraulic conductivity curves.
  • Automatic calculation of grain-size statistics (graphic mean, graphic skewness, Kurtosis, graphic standard deviation, etc.)
  • Professional reporting allows selection and reporting of multiple soils on the same report.
  • Geostatistics module allows quick statistical analysis of your laboratory data.
  • Soils data is centralized on a server.
  • Only commercial database application in the world capable of managing unsaturated soils information.
  • Management of geoenvironmental data.
  • Automatic soil texture classification by the USDA or USCS (ASTM) methods.
  • Mathematical fits of soil property functions allows soils in certain "bands" to be selected.
  • Levels of software implementation allow the software solution to grow as your company grows.
  • Globally standardized soils database format which is the same in Access, SQL Server, and Oracle.
  • Free form Search Wizard allows searching of the database based on almost any criteria.
  • Mathematical model provides input for seepage and groundwater finite element and finite difference models.

SoilVision® Soils Dataset

Dataset description
Dataset List


SoilVision Systems Ltd. Is currently the world leader in providing high quality saturated and unsaturated soils data. We have seen dramatic increase in the amount of soil data we have been able to provide to our customers. This is possible because of the generous contributions of data from government organizations and consultants alike.

We are continually looking to improve the data we are able to offer. If you would like to contribute to our dataset, or if you or if you can direct us to additional data sources, please proceed to the submit section. We are willing to provide discounts on the SoilVision software to individuals in exchange for high-quality experimental soil information. We are currently interested in data for the following laboratory tests:

Compression (consolidation)
Shear box and triaxial shear tests

For more information on the SoilVision dataset, you may view or download our Adobe Acrobat SoilVision Data presentation.
SoilVision Data [265 KB]
Date posted: 2-8-00

Dataset description

SoilVision is the only software database system which provides you with an existing dataset of detailed information on over 600 0 soils. Whether youre looking for an estimate of soil dry density, the compression index, the compaction characteristics or the soil-water characteristic curve, SoilVision allows for complex querying of the included dataset.

Since much of the data included in SoilVision is from research publications, the reference to the original journal paper the data was published in is included. This allows for selection of soil data by author, journal, year published, etc.

Need an estimate of soil properties? Search our database of over 600 0 soil-water characteristic curves, 2500 saturated permeabilities, 600 permeability curves, 100 compression curves, 50 shrinkage curves, 30 compaction curves, 25 unsaturated shear box tests, etc. for approximate parameters. All soils contained in the database have been automatically classified by the USDA and USCS (ASTM) systems to ensure proper grouping.

Develop your own database! SoilVision provides full database capabilities for the importing of your companys dataset. This allows development of your own companys dataset to optimize the value of your data.

New data in the SoilVision database includes the following datasets:

• University of Saskatchewan dataset
• C.H. Benson Compacted Clay Linersdataset
• State of Illinois DOT Subgrade soils dataset
• Al Tice unfrozen water content dataset

Data exists for the following 33 countries:

Australia, Belgium, Brazil, Canada, Denmark, France, Germany, Hong Kong, Israel, Italy, Ivory Coast, Japan, Kenya, Mexico, Netherlands, New Zealand, Niger, Papua New Guinea, Philippines, Poland, Portugal, Russia, Scotland, Senegal, Singapore, Spain, Switzerland, The Netherlands, Trinidad and Tobago, Tunisia, United Kingdom, United States, Vietnam, W. Bengal India, West Germany, West Indies.
Data is also present for the following 34 states:

Alabama, Alaska, Arizona, California, Colorado, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Louisiana, Maine, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, New Jersey, New Mexico, New York, North, Carolina, North Dakota, Ohio, Oklahoma, South Carolina, South Dakota, Virginia, Tennessee, Texas, Washington State, Wisconsin.

SoilVision Dataset

The SoilVision dataset represents the most comprehensive compilation of unsaturated soils information currently available. Hundreds of man-hours went into searching and reviewing and compiling our existing database of over 600 0 soils. The specific datasets included in our dataset are as follows:

Please message us here if you would like to contribute to our growing database!

Dataset Description # Soils
Patrick Black This dataset contains unfrozen water content data as measured by Al Tice using his nmr technique. 577
Subgrade Soils Contains soil information from "A report of the investigation of Soil Water Properties of Subgrade Soils" as presented by the University of Illinois. Contains soil-water characteristic curve information. 45
Murray Fredlund Contains soil data collected from various research papers. Primarily grain-size, soil-water characteristic curve data, shrinkage data, and compression data. Data may be searched by original author and/or paper name. 151
Walter Rawls All samples contain a moisture retention curve and approximately one-fourth of the sample contain saturated hydraulic conductivity data. 3539
CECIL Physical Characteristics of Soils in the Southern Region Cecil. Soil-moisture retention curve collected from the southwestern region of the United States. 600
UNSODA Soil-moisture retention curves, saturated permeabilities, and unsaturated permeability curves collected from around the world. 761
University of Saskatchewan This group of soils contain data measured during various research projects at the University of Saskatchewan. Primarily soil-water characteristic curve information. 160
Mining Tailings Assorted mine tailings soils containing grain-size and soil-water characteristic curve information. 14
Waste Rock Assorted waste rock soils containing grain-size and soil-water characteristic curve information. 32
Scott Sillers The soils were gathered from an extensive M.Sc. review of research papers related to unsaturated soil mechanics. Soil data contains soil-water characteristic curves and some grain-size curves. 201

SoilVision® Interfaces

Import/Export of data
Software compatibility

Import/Export Of Data

Moving data into and out of SoilVision was considered of great importance in our development efforts. Import data from previous versions of SoilVision or from any table format with the click of a button. Export personal data to other software packages such as Excel or Surfer on a user-defined format using our table builder query wizard. The open database architecture allows complete flexibility in extracting data on any format from SoilVision. See our Software Compatibility or SoilVision Add-On Software sections for more information.

Software Compatibility

SoilVision provides the ability to transfer your data between applications in a simple, straightforward manner. SoilVision adheres to Windows standards of cutting and pasting data exchange to allow exchange between Windows compatible software. Soil property functions from within SoilVision may be output in point or equation form and therefore may be cut and pasted into many modeling programs. Whether its transferring data to a seepage model, or a borehole logging program, SoilVision provides data filters to make the task simple.

SoilVision provides the ability to transfer your data between applications in a simple, straightforward manner. SoilVision adheres to Windows standards of cutting and pasting data exchange to allow exchange between Windows compatible software. Soil property functions from within SoilVision may be output in point or equation form and therefore may be cut and pasted into many modeling programs. Whether its transferring data to a seepage model, or a borehole logging program, SoilVision provides data filters to make the task simple.

Modeling: SoilVision is the world's only knowledge-based database system which will provide the specific information you need to perform complex geoenvironmental or geotechnical modeling. If you don't have the data, SoilVision can estimate complex unsaturated or saturated soil properties for you. The following list is a partial list of the modeling software packages for which SoilVision provides input soil properties: SEEP/W, FEFLOW, FEMWater, GMS, SoilCover, CRISP, Plaxis, SIGMA/W, SLOPE/W, CTRAN/W
Graphics: Excel, Surfer
GIS: ArcView GIS, Sylvan Maps
Report Writers: Crystal Reports, Word, CrossTab
Borehole Logs: WinLog, QuickLog, QuickCross/Fence
Customized: Want a customized link to your existing software? Contact us for pricing.

Query Interface

A capable query interface is critical to unlocking the power of your data. SoilVision provides the most flexible, free-form query wizard currently available in a soils database system. The query wizard can be used to create complex queries across multiple tables. Select all Silty Loam soils with a porosity between 0.30 and 0.42. You will never lose track of subsets of data since queries are stored for later use within SoilVision.


Unlock the full value of your data. Search for hidden correlations between soil parameters. Calculate confidence limits on your normally distributed or logarithmically distributed soil parameters. Interested in the variation of the saturated permeability of Silty Loams? Now you can know.

SoilVision provides you with all the geostatistical methods necessary for the univariate or bivariate analysis of any soil parameter. The mean, standard deviation, or the variance of any soil parameter may be calculated. For univariate analysis, the user can analyze whether a parameter is normally distributed with the Probit plot or analyze confidence limits with the z-test. Statistical calculations can be developed based on a linear or lognormal scale. The user may also check the similarity of data with the autocorrelation function.

Bivariate and coherency analysis allow the user to analyze the relationship between two variables. Users may plot a correlation, perform a spectral analysis, or evaluate a cross-correlation.



Correlation Database

Unsure of your soils compression index? Interested in the shrinkage limit of your soil? Search our database of correlations gathered from industry verified research. Over 50 graphs and tables are provided, complete with references, for your convenience.

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