Soil Data Explorer - EXIRA

Official Series Description

Lab Data Summary

Aggregate lab data for the EXIRA soil series. This aggregation is based on all pedons with a current taxon name of EXIRA, 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 EXIRA were used in the calculation. Source: KSSL snapshot (updated 2020-03-13). Methods used to assemble the KSSL snapshot used by SoilWeb / SDE

Pedons used in the lab summary:

MLRA	Lab ID	Pedon ID	Taxonname	CI	NSSL / NASIS Reports	Link To SoilWeb GMap
107B	M8808722	1988MO087022m	Exira	2	Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties	40.1403008,-95.0844269
107B	M0308703	2003MO08703m	Exira	4	Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties	40.1385231,-95.0845947
107B	84P0388	83IA029102	Exira	5	Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties	41.435276,-95.1025009
107B	84P0389	83IA029103	Exira	5	Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties	41.435276,-95.1025009
107B	84P0387	84IA029101	Exira	5	Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties	41.4344444,-95.1030579
107B	85P0555	84IA1550021	Exira	5	Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties	41.2694435,-95.2472229
107B	85P0556	84IA1550022	Exira	5	Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties	41.2694435,-95.2472229
107B	85P0557	84IA1550023	Exira	4	Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties	41.2694435,-95.2472229
107B	86P0330	85IA0270043	Exira	5	Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties	41.8833351,-94.8166656
107B	87P0329	87IA0270061	Exira	5	Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties	41.8774986,-94.7005539
107B	96P0217	S1996IA047001	Exira	7	Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties	42.0131416,-95.1087112
108D	M8808724	1988MO087024m	Exira	4	Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties	40.2427778,-95.1016667

Water Balance

Monthly water balance estimated using a leaky-bucket style model for the EXIRA 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.

Sibling Summary

Siblings are those soil series that occur together in map units, in this case with the EXIRA series. Sketches are arranged according to their subgroup-level taxonomic structure. Source: SSURGO snapshot (updated 2024-02-21), parsed OSD records (updated 2023-10-02) and snapshot of SC database (updated 2023-10-02).

Select annual climate data summaries for the EXIRA series and siblings. Series are sorted according to hierarchical clustering of median values. Source: SSURGO map unit geometry and 1981-2010, 800m PRISM data (updated 2023-10-09).

Geomorphic description summaries for the EXIRA 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 (updated 2023-10-04).

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

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

Competing Series

Soil series competing with EXIRA share the same family level classification in Soil Taxonomy. Source: parsed OSD records (updated 2023-10-02) and snapshot of the SC database (updated 2023-10-02).

Select annual climate data summaries for the EXIRA series and competing. Series are sorted according to hierarchical clustering of median values. Source: SSURGO map unit geometry and 1981-2010, 800m PRISM data (updated 2023-10-09).

Geomorphic description summaries for the EXIRA 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 (updated 2023-10-04).

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

Soil series sharing subgroup-level classification with EXIRA, 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 (updated 2023-10-02).

Block Diagrams

Click a link below to display the diagram. Note that these diagrams may be from multiple survey areas.

1. IA-2010-09-09-16 | Crawford County - 2007

   A cross section showing the relationship between soils and parent material in the eastern part of Crawford County (Soil Survey of Crawford County, Iowa; 2007).

2. IA-2010-09-09-21 | Shelby County - 2007

   Diagram showing the relationships of the upland soils in the eastern part of Shelby County to parent material and landforms (Soil Survey of Shelby County, Iowa; 2007).

3. IA-2011-05-31-04 | Audubon County - 1984

   Pattern of soils and parent material in the Marshall-Exira association (Soil Survey of Audubon County, Iowa; 1984).

4. IA-2011-05-31-05 | Audubon County - 1984

   Pattern of soils and parent material in the Marshall-Shelby-Adair association (Soil Survey of Audubon County, Iowa; 1984).

5. IA-2011-05-31-08 | Audubon County - 1984

   Relationship of the major soils in Audubon County to the parent material (Soil Survey of Audubon County, Iowa; 1984).

6. IA-2011-06-01-18 | Montgomery County - 1989

   Typical pattern of soils and parent material in the Marshall-Exira association (Soil Survey of Montgomery County, Iowa; 1989).

7. MO-2010-09-08-06 | Holt County - 1997

   Typical pattern of soils and parent material in the Marshall-Exira-Shelby association (Soil Survey of Holt County, Missouri; 1997).

Map Units

Map units containing EXIRA 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
Exira silty clay loam, 9 to 14 percent slopes, eroded	99D2	18792	402795	2xbn0	ia009	1982	1:15840
Exira silty clay loam, 5 to 9 percent slopes, eroded	99C2	5669	402794	2xbmz	ia009	1982	1:15840
Exira silty clay loam, 14 to 18 percent slopes, eroded	99E2	2410	402797	2xbmv	ia009	1982	1:15840
Exira silty clay loam, 9 to 14 percent slopes, severely eroded	99D3	1949	402796	2xbn1	ia009	1982	1:15840
Exira silty clay loam, 5 to 9 percent slopes, eroded	99C2	17667	403577	2xbmz	ia027	1979	1:15840
Exira silty clay loam, 9 to 14 percent slopes, eroded	99D2	17563	403578	2xbn0	ia027	1979	1:15840
Exira silty clay loam, 14 to 20 percent slopes, eroded	99E2	1251	403579	2xbmx	ia027	1979	1:15840
Exira silty clay loam, 9 to 14 percent slopes, eroded	99D2	45187	2229711	2xbn0	ia029	2010	1:12000
Exira silty clay loam, 14 to 18 percent slopes, eroded	99E2	3918	2423006	2xbmv	ia029	2010	1:12000
Exira silty clay loam, 9 to 14 percent slopes, severely eroded	99D3	3427	2229714	2xbn1	ia029	2010	1:12000
Exira silty clay loam, 14 to 18 percent slopes, severely eroded	99E3	1254	2229712	2xbmw	ia029	2010	1:12000
Exira silty clay loam, 9 to 14 percent slopes, eroded	99D2	12017	399860	2xbn0	ia047	2004	1:12000
Exira silty clay loam, 5 to 9 percent slopes, eroded	99C2	2817	399858	2xbmz	ia047	2004	1:12000
Exira silty clay loam, 14 to 18 percent slopes, eroded	99E2	1516	399862	2xbmv	ia047	2004	1:12000
Exira silty clay loam, 9 to 14 percent slopes, eroded	99D2	3989	407236	2xbn0	ia093	1989	1:15840
Exira silty clay loam, 9 to 14 percent slopes, severely eroded	99D3	1719	407237	2xbn1	ia093	1989	1:15840
Exira silty clay loam, 5 to 9 percent slopes, eroded	99C2	611	407234	2xbmz	ia093	1989	1:15840
Exira silty clay loam, 14 to 20 percent slopes, eroded	99E2	315	407238	2xbmx	ia093	1989	1:15840
Exira silty clay loam, 9 to 14 percent slopes, eroded	99D2	17494	409603	2xbn0	ia129	1979	1:15840
Exira silty clay loam, 5 to 9 percent slopes, eroded	99C2	3134	409601	2xbmz	ia129	1979	1:15840
Exira silty clay loam, 9 to 14 percent slopes	99D	1963	409602	2xbn4	ia129	1979	1:15840
Exira silty clay loam, 5 to 9 percent slopes	99C	1537	409600	2xbn3	ia129	1979	1:15840
Exira silty clay loam, 9 to 14 percent slopes, severely eroded	99D3	868	409604	2xbn1	ia129	1979	1:15840
Exira silty clay loam, 14 to 20 percent slopes, eroded	99E2	240	409605	2xbmx	ia129	1979	1:15840
Exira silty clay loam, 9 to 14 percent slopes, eroded	99D2	25492	409896	2xbn0	ia137	1987	1:15840
Exira silty clay loam, 5 to 9 percent slopes, eroded	99C2	4781	409895	2xbmz	ia137	1987	1:15840
Exira silty clay loam, 9 to 14 percent slopes, severely eroded	99D3	344	409897	2xbn1	ia137	1987	1:15840
Exira silty clay loam, 14 to 18 percent slopes, eroded	99E2	251	409898	2xbmv	ia137	1987	1:15840
Exira silty clay loam, 9 to 14 percent slopes, eroded	99D2	27205	410240	2xbn0	ia145	1975	1:20000
Exira silty clay loam, 9 to 14 percent slopes	99D	9003	410239	2xbn4	ia145	1975	1:20000
Exira silty clay loam, 5 to 9 percent slopes, eroded	99C2	8913	410238	2xbmz	ia145	1975	1:20000
Exira silty clay loam, 5 to 9 percent slopes	99C	3283	410237	2xbn3	ia145	1975	1:20000
Exira silty clay loam, 9 to 14 percent slopes, eroded	99D2	53912	410523	2xbn0	ia155	1986	1:15840
Exira silty clay loam, 5 to 9 percent slopes, eroded	99C2	5752	410522	2xbmz	ia155	1986	1:15840
Exira silty clay loam, 9 to 14 percent slopes, severely eroded	99D3	3289	410524	2xbn1	ia155	1986	1:15840
Exira silty clay loam, 14 to 20 percent slopes, eroded	99E2	1456	410525	2xbmx	ia155	1986	1:15840
Exira silty clay loam, 14 to 20 percent slopes, severely eroded	99E3	1076	410526	2xbmy	ia155	1986	1:15840
Exira silty clay loam, 9 to 14 percent slopes, eroded	99D2	43283	626743	2xbn0	ia165	2005	1:12000
Exira silty clay loam, 14 to 18 percent slopes, eroded	99E2	14688	626744	2xbmv	ia165	2005	1:12000
Exira silty clay loam, 18 to 25 percent slopes, eroded	99F2	2352	780698	2xbn2	ia165	2005	1:12000
Exira silty clay loam, 9 to 14 percent slopes, eroded	10018	16441	887503	2xbn0	mo087	1992	1:24000

Map of Series Extent

Approximate geographic distribution of the EXIRA 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 (updated 2023-10-04).