Official Series Description


Lab Data Summary

Aggregate lab data for the GIFFORD soil series. This aggregation is based on all pedons with a current taxon name of GIFFORD, and applied along 1-cm thick depth slices. Solid lines are the slice-wise median, bounded on either side by the interval defined by the slice-wise 5th and 95th percentiles. The median is the value that splits the data in half. Five percent of the data are less than the 5th percentile, and five percent of the data are greater than the 95th percentile. Values along the right hand side y-axis describe the proportion of pedon data that contribute to aggregate values at this depth. For example, a value of "90%" at 25cm means that 90% of the pedons correlated to GIFFORD were used in the calculation. Source: KSSL snapshot . Methods used to assemble the KSSL snapshot used by SoilWeb / SDE

Click the image to view it full size.

Pedons used in the lab summary:

MLRALab IDPedon IDTaxonnameCINSSL / NASIS ReportsLink To SoilWeb GMap
10987P07751987MO121030Gifford7Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties40.0358315,-92.680275
109M89121041989MO121004Gifford4Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties39.9162472,-93.9829222
113M880071488MO007014Gifford3Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties39.2305806,-91.9412472
113M880071888MO007018Gifford3Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties39.1495306,-92.030425
115BM87121201987MO121020Gifford3Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties38.9672203,-92.3450012
115BM88121071988MO121007Gifford3Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties38.9672203,-92.3450012
115BM89001141989MO001014Gifford4Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties38.9672203,-92.3450012
115BM89001171989MO001017Gifford4Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties38.9672203,-92.3450012
115BM89001191989MO001019Gifford3Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties38.9672203,-92.3450012
115BM91197271991MO197027Gifford4Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties38.9672203,-92.3450012

Water Balance

Monthly water balance estimated using a leaky-bucket style model for the GIFFORD soil series. Monthly precipitation (PPT) and potential evapotranspiration (PET) have been estimated from the 50th percentile of gridded values (PRISM 1981-2010) overlapping with the extent of SSURGO map units containing each series as a major component. Monthly PET values were estimated using the method of Thornthwaite (1948). These (and other) climatic parameters are calculated with each SSURGO refresh and provided by the fetchOSD function of the soilDB package. Representative water storage values (“AWC” in the figures) were derived from SSURGO by taking the 50th percentile of profile-total water storage (sum[awc_r * horizon thickness]) for each soil series. Note that this representation of “water storage” is based on the average ability of most plants to extract soil water between 15 bar (“permanent wilting point”) and 1/3 bar (“field capacity”) matric potential. Soil moisture state can be roughly interpreted as “dry” when storage is depleted, “moist” when storage is between 0mm and AWC, and “wet” when there is a surplus. Clearly there are a lot of assumptions baked into this kind of monthly water balance. This is still a work in progress.

Click the image to view it full size.



Click the image to view it full size.

Sibling Summary

Siblings are those soil series that occur together in map units, in this case with the GIFFORD series. Sketches are arranged according to their subgroup-level taxonomic structure. Source: SSURGO snapshot , parsed OSD records and snapshot of SC database .

Click the image to view it full size.

Select annual climate data summaries for the GIFFORD series and siblings. Series are sorted according to hierarchical clustering of median values. Source: SSURGO map unit geometry and 1981-2010, 800m PRISM data .

Click the image to view it full size.

Geomorphic description summaries for the GIFFORD series and siblings. Series are sorted according to hierarchical clustering of proportions and relative hydrologic position within an idealized landform (e.g. top to bottom). Most soil series (SSURGO components) are associated with a hillslope position and one or more landform-specific positions: hills, mountain slopes, terraces, and/or flats. Proportions can be interpreted as an aggregate representation of geomorphic membership. The values printed to the left (number of component records) and right (Shannon entropy) of stacked bars can be used to judge the reliability of trends. Small Shannon entropy values suggest relatively consistent geomorphic association, while larger values suggest lack thereof. Source: SSURGO component records .

Click the image to view it full size.

Click the image to view it full size.

There are insufficient data to create the 3D mountains figure.

Click the image to view it full size.

Click the image to view it full size.

Competing Series

Soil series competing with GIFFORD share the same family level classification in Soil Taxonomy. Source: parsed OSD records and snapshot of the SC database .

Click the image to view it full size.

Select annual climate data summaries for the GIFFORD series and competing. Series are sorted according to hierarchical clustering of median values. Source: SSURGO map unit geometry and 1981-2010, 800m PRISM data .

Click the image to view it full size.

Geomorphic description summaries for the GIFFORD series and competing. Series are sorted according to hierarchical clustering of proportions and relative hydrologic position within an idealized landform (e.g. top to bottom). Proportions can be interpreted as an aggregate representation of geomorphic membership. Most soil series (SSURGO components) are associated with a hillslope position and one or more landform-specific positions: hills, mountain slopes, terraces, and/or flats. The values printed to the left (number of component records) and right (Shannon entropy) of stacked bars can be used to judge the reliability of trends. Shannon entropy values close to 0 represent soil series with relatively consistent geomorphic association, while values close to 1 suggest lack thereof. Source: SSURGO component records .

Click the image to view it full size.

Click the image to view it full size.

There are insufficient data to create the 3D mountains figure.

Click the image to view it full size.

There are insufficient data to create the 3D flats position figure.

Soil series sharing subgroup-level classification with GIFFORD, arranged according to family differentiae. Hovering over a series name will print full classification and a small sketch from the OSD. Source: snapshot of SC database .

Block Diagrams

No block diagrams are available.

Map Units

Map units containing GIFFORD as a major component. Limited to 250 records.

Map Unit Name Symbol Map Unit Area (ac) Map Unit Key National Map Unit Symbol Soil Survey Area Publication Date Map Scale
Gifford silty clay loam, 5 to 9 percent slopes, eroded60107194025331012qp5bmo00119921:24000
Gifford silty clay loam, 2 to 5 percent slopes6010646825330992qp59mo00119921:24000
Gifford silt loam, 1 to 4 percent slopes54001531825328062qp00mo00719901:24000
Gifford silt loam, 2 to 5 percent slopes, rarely flooded340051925319892qntymo00719901:24000
Gifford silty clay loam, 2 to 9 percent slopes, eroded, rarely flooded34009124525320072qnv2mo04119921:24000
Gifford silt loam, 5 to 9 percent slopes34006690525319992wbdhmo06119521:24000
Gifford silt loam, 5 to 9 percent slopes340061825319982wbdhmo06319741:24000
Gifford silt loam, 5 to 9 percent slopes, rarely flooded54002190425328092qp01mo10319731:24000
Gifford silt loam, 2 to 5 percent slopes, rarely flooded34005138825319942qntymo10319731:24000
Gifford silt loam, 5 to 9 percent slopes3400646926596952wbdhmo10319731:24000
Gifford silt loam, footslope, 2 to 5 percent slopes3611525426596982rpzcmo10319731:24000
Gifford silty clay loam, 5 to 9 percent slopes, eroded601077725331002qp5bmo10319731:24000
Gifford silt loam, 5 to 9 percent slopes, eroded, rarely flooded340086625320052qnv1mo10319731:24000
Gifford silty clay loam, 2 to 5 percent slopes601062625330982qp59mo10319731:24000
Gifford silt loam, 3 to 5 percent slopes, rarely flooded340212126596862qs1zmo10319731:24000
Gifford silt loam, 5 to 9 percent slopes, eroded, rarely flooded34008611325320032qnv1mo11119861:24000
Gifford silt loam, 5 to 9 percent slopes34006196926597122wbdhmo11119861:24000
Gifford silt loam, 3 to 5 percent slopes, rarely flooded3402114026597032qs1zmo11119861:24000
Gifford silt loam, 2 to 5 percent slopes, rarely flooded340054925319902qntymo11119861:24000
Gifford silt loam, 2 to 5 percent slopes, rarely flooded34005342625319912qntymo11519871:24000
Gifford silt loam, 5 to 9 percent slopes, eroded, rarely flooded3400895625320042qnv1mo11519871:24000
Gifford silt loam, 3 to 5 percent slopes, rarely flooded340216225445372qs1zmo11519871:24000
Gifford silt loam, 2 to 5 percent slopes34004525319862qntxmo11519871:24000
Gifford silt loam, 5 to 9 percent slopes, eroded34007430125320012qnv0mo12119911:24000
Gifford silt loam, 2 to 5 percent slopes34004288625319872qntxmo12119911:24000
Gifford silt loam, 2 to 5 percent slopes, rarely flooded340052525319922qntymo12119911:24000
Gifford silty clay loam, 2 to 9 percent slopes, eroded, rarely flooded34009925320062qnv2mo12119911:24000
Gifford silt loam, 2 to 5 percent slopes, rarely flooded34005106525319952qntymo12719821:24000
Gifford silt loam, 5 to 9 percent slopes, rarely flooded5400236425328102qp01mo12719821:24000
Gifford silt loam, 2 to 5 percent slopes, rarely flooded34005327925319962qntymo13719731:24000
Gifford silt loam, 5 to 9 percent slopes, rarely flooded54002155325328112qp01mo13719731:24000
Gifford silt loam, 1 to 4 percent slopes540017425328052qp00mo13719731:24000
Gifford silty clay loam, 5 to 9 percent slopes, eroded60107625331022qp5bmo17119891:24000
Gifford silt loam, 2 to 5 percent slopes, rarely flooded34005216225319882qntymo17319821:24000
Gifford silt loam, 5 to 9 percent slopes, rarely flooded5400282925328072qp01mo17319821:24000
Gifford silt loam, 2 to 5 percent slopes34004115125319852qntxmo19919691:24000
Gifford silt loam, 5 to 9 percent slopes, eroded3400786225320002qnv0mo19919691:24000
Gifford silt loam, footslope, 2 to 5 percent slopes3611531726596802rpzcmo19919691:24000
Gifford silt loam, 5 to 9 percent slopes3400617926596772wbdhmo19919691:24000
Gifford silt loam, 5 to 9 percent slopes, rarely flooded540025325328082qp01mo19919691:24000
Gifford silt loam, 2 to 5 percent slopes, rarely flooded34005237425319972qntymo20519731:24000
Gifford silt loam, 5 to 9 percent slopes, rarely flooded54002151125328122qp01mo20519731:24000
Gifford silt loam, 5 to 9 percent slopes, eroded, rarely flooded34008525320022qnv1mo20519731:24000
Gifford silt loam, 5 to 9 percent slopes34006225755202wbdhmo20519731:24000
Gifford silt loam, 2 to 5 percent slopes, rarely flooded34005125319932qntymo21119901:24000

Map of Series Extent

Approximate geographic distribution of the GIFFORD soil series. To learn more about how this distribution was mapped, or to compare this soil series extent to others, use the Series Extent Explorer (SEE) application. Source: generalization of SSURGO geometry .