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  1. Home
  2. Posts tagged "soil survey"

soil survey

  • Iowa Soil Drainage Class Maps [gSSURGO]

    “Drainage class (natural)” refers to the frequency and duration of wet periods under conditions similar to those under which the soil formed. Alterations of the… Read More

    22 July 2019

  • Iowa Soil Drainage Class Maps

    “Drainage class (natural)” refers to the frequency and duration of wet periods under conditions similar to those under which the soil formed. Alterations of the… Read More

    22 July 2019

  • Iowa Depth to Water Table Maps [gSSURGO]

    “Water table” refers to a saturated zone in the soil. It occurs during specified months. Estimates of the upper limit are based mainly on observations… Read More

    22 July 2019

  • Iowa Depth to Water Table Maps

    “Water table” refers to a saturated zone in the soil. It occurs during specified months. Estimates of the upper limit are based mainly on observations… Read More

    22 July 2019

  • Iowa Soil pH Maps

    Soil reaction is a measure of acidity or alkalinity. It is important in selecting crops and other plants, in evaluating soil amendments for fertility and… Read More

    22 July 2019

  • Water Table Depth – gSSURGO

    To download print image, right click within the pop-up gallery view and select “save image as” 01DWTJan… Read More

    19 June 2019

  • The use of soil surveys to aid in geologic mapping with an emphasis on the Eastern and Midwestern United States

    After soil science became established as a scientific discipline, there has been a continued interplay between geologists and soil scientists, both fields benefiting from advancements made by the other. There is strong agreement between preliminary geology maps created from soil maps and traditional geology maps. Despite the results obtained when using soil maps to create surficial geology maps, there is a need for more quantitative studies to assess the degree of compliment between soil-based maps and traditional geology maps, expansion of the technique into a wider range of geologic and climatic environments, and more research in locations that use classification systems other than Soil Taxonomy. Read More

    1 September 2015

  • Comparison of surficial geology maps based on soil survey and in depth geological survey

    Despite the widespread availability of relatively detailed soil maps in the USA, few areas have a surficial geology map published with as much spatial detail. This apparent gap between disciplines calls to question the accuracy of soil maps to represent the spatial distribution of surficial geologic materials. Therefore, the purpose of this research was to test the agreement between maps from these two sources. Read More

    10 March 2015

  • Pre-settlement Water Regimes of Iowa Wetlands

    This raster provides an estimate of the wetland water regimes in Iowa, prior to the implementation of drainage systems. These estimates are based on the… Read More

    26 October 2014

  • Using Soil Surveys to Delineate Quaternary Parent Materials and Landforms (2010 Binghamton Geomorphology Symposium)

    Using-Soil-Surveys-to-Map-Quaternary-Parent-MaterialsDownload… Read More

    10 February 2014

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