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Detailed vector soils map of the Reynolds Creek Experimental Watershed (RCEW). Field mapping was done in 1966 by Soil Conservation Service personnel on 1:20000 scale aerial photography. These were transferred to 1:24000 base maps at the SCS Western Cartographic unit and hand digitized at the NWRC. Contains 30 soil series and 197 delineations. Database describing soil series is also provided. For more information see "Geographic Database: Reynolds Creek Experimental Watershed, Idaho, USA", in Water Resources Research by Seyfried, Harris, Marks and Jacob.
Vector map of consolidated soils in the Reynolds Creek Experimental Watershed (RCEW). Mapping units and delineations of the detailed soils map were aggregated into nine mapping units of similar soils. See "Geographic Database: Reynolds Creek Experimental Watershed, Idaho, USA", in Water Resources Research by Seyfried, Harris, Marks and Jacob, for more information. This coverage was created directly from the detailed RCEW soils coverage, rc_soil_all.
SSURGO Data (Natural Resource Conservation Service)
soilEROSION: The T factor is an estimate of the maximum average annual rate of soil erosion by wind and/or water that can occur without affecting crop productivity over a sustained period. The rate is in tons per acre per year.SSURGO wss_SSA_ID675
soilFROSTFREE: The term "frost-free days" refers to the expected number of days between the last freezing temperature (0 degrees Celsius) in spring (January-July) and the first freezing temperature in fall (August-December). The number of days is based on the probability that the values for the standard "normal" period of 1961 to 1990 will be exceeded in 5 years out of 10.This attribute is actually recorded as three separate values in the database. A low value and a high value indicate the range of this attribute for the soil component. A "representative" value indicates the expected value of this attribute for the component. For this attribute, only the representative value is used.SSURGO wws_SSA_ID675
soilNAME: A soil map unit is a collection of soil areas or nonsoil areas (miscellaneous areas) delineated in a soil survey. Each map unit is given a name that uniquely identifies the unit in a particular soil survey area.SSURGO wss_SSA_ID675
soilPARENTMAT: Parent material name is a term for the general physical, chemical, and mineralogical composition of the unconsolidated material, mineral or organic, in which the soil forms. Mode of deposition and/or weathering may be implied by the name. The soil surveyor uses parent material to develop a model used for soil mapping. Soil scientists and specialists in other disciplines use parent material to help interpret soil boundaries and project performance of the material below the soil. Many soil properties relate to parent material. Among these properties are proportions of sand, silt, and clay; chemical content; bulk density; structure; and the kinds and amounts of rock fragments. These properties affect interpretations and may be criteria used to separate soil series. Soil properties and landscape information may imply the kind of parent material.For each soil in the database, one or more parent materials may be identified. One is marked as the representative or most commonly occurring. The representative parent material name is presented here.SSURGO wss_SSA_ID675
soilTAXONOMY: This rating presents the taxonomic classification based on Soil Taxonomy.The system of soil classification used by the National Cooperative Soil Survey has six categories (Soil Survey Staff, 1999 and 2003). Beginning with the broadest, these categories are the order, suborder, great group, subgroup, family, and series. Classification is based on soil properties observed in the field or inferred from those observations or from laboratory measurements. This table shows the classification of the soils in the survey area. The categories are defined in the following paragraphs.ORDER. Twelve soil orders are recognized. The differences among orders reflect the dominant soil-forming processes and the degree of soil formation. Each order is identified by a word ending in sol. An example is Alfisols.SUBORDER. Each order is divided into suborders primarily on the basis of properties that influence soil genesis and are important to plant growth or properties that reflect the most important variables within the orders. The last syllable in the name of a suborder indicates the order. An example is Udalfs (Ud, meaning humid, plus alfs, from Alfisols).GREAT GROUP. Each suborder is divided into great groups on the basis of close similarities in kind, arrangement, and degree of development of pedogenic horizons; soil moisture and temperature regimes; type of saturation; and base status. Each great group is identified by the name of a suborder and by a prefix that indicates a property of the soil. An example is Hapludalfs (Hapl, meaning minimal horizonation, plus udalfs, the suborder of the Alfisols that has a udic moisture regime).SUBGROUP. Each great group has a typic subgroup. Other subgroups are intergrades or extragrades. The typic subgroup is the central concept of the great group; it is not necessarily the most extensive. Intergrades are transitions to other orders, suborders, or great groups. Extragrades have some properties that are not representative of the great group but do not indicate transitions to any other taxonomic class. Each subgroup is identified by one or more adjectives preceding the name of the great group. The adjective Typic identifies the subgroup that typifies the great group. An example is Typic Hapludalfs.FAMILY. Families are established within a subgroup on the basis of physical and chemical properties and other characteristics that affect management. Generally, the properties are those of horizons below plow depth where there is much biological activity. Among the properties and characteristics considered are particle-size class, mineralogy class, cation-exchange activity class, soil temperature regime, soil depth, and reaction class. A family name consists of the name of a subgroup preceded by terms that indicate soil properties. An example is fine-loamy, mixed, active, mesic Typic Hapludalfs.SERIES. The series consists of soils within a family that have horizons similar in color, texture, structure, reaction, consistence, mineral and chemical composition, and arrangement in the profile.References:Soil Survey Staff. 1999. Soil taxonomy: A basic system of soil classification for making and interpreting soil surveys. 2nd edition. Natural Resources Conservation Service. U.S. Department of Agriculture Handbook 436.Soil Survey Staff. 2006. Keys to soil taxonomy. 10th edition. U.S. Department of Agriculture, Natural Resources Conservation Service. (The soils in a given survey area may have been classified according to earlier editions of this publication.)SSURGO wss_SSA_ID675
soilTEXTURE: This displays the representative texture class and modifier of the surface horizon.Texture is given in the standard terms used by the U.S. Department of Agriculture. These terms are defined according to percentages of sand, silt, and clay in the fraction of the soil that is less than 2 millimeters in diameter. "Loam," for example, is soil that is 7 to 27 percent clay, 28 to 50 percent silt, and less than 52 percent sand. If the content of particles coarser than sand is 15 percent or more, an appropriate modifier is added, for example, "gravelly."SSURGO wss_SSA_ID675
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Mapping was done by the Soil Conservation Service. Drafted by the Western Cartographic Unit of the Soil Conservation Service. Published: Soil- Geology-Vegetation Inventories for Reynolds Creek Watershed, edited by Gordon Stephenson, Ag. Exp. Station, University of Idaho, Miscellaneous Series No. 42, 1977.
Spatial Reference: 26911
Spatial Reference: 26911
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Comments: Reynolds Creek CZO soil survey and characteristics. SSURGO data included. Owhyee County, Idaho.
Subject: Reynolds Creek CZO soil survey and characteristics. SSURGO data included. Owhyee County, Idaho.
Keywords: Reynolds Creek,CZO,soil
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