Soil Data Explorer - BURNAC

Official Series Description

Lab Data Summary

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

There are insufficient data to create the lab data summary figure.

Water Balance

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

Competing Series

Soil series competing with BURNAC 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 BURNAC 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 BURNAC 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 terrace figure.

Soil series sharing subgroup-level classification with BURNAC, 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

No block diagrams are available.

Map Units

Map units containing BURNAC 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
Burnac-Posant complex, 15 to 65 percent slopes	105	2920	505153	jyn8	co674	1998	1:24000
Burnac-Delson sandy loams, 3 to 20 percent slopes	27	5139	502028	jvdg	co675	1986	1:24000
Falcon-Burnac-Rock outcrop complex, 3 to 20 percent slopes	39	2731	502047	jvf2	co675	1986	1:24000
Burnac-Delson-Falcon sandy loams, 20 to 50 percent slopes	28	1526	502030	jvdj	co675	1986	1:24000
Burnac-Hillery association, sloping	BY	37958	507717	k19z	nm007	1974	1:24000
Fuera-Burnac association, steep	FD	24813	507745	k1bw	nm007	1974	1:24000
Burnac gravelly loam, 20 to 60 percent slopes	BUE	538	55628	1vwg	nm600	1973	1:24000
Spud-Burnac association, very steep	SM	10538	375723	dlz3	nm638	1981	1:31680
Burnac-Hillery association, hilly	BH	5779	375668	dlxb	nm638	1981	1:31680
Burnac, stony-Barleycanyon families association, warm, 0 to 40 percent slopes	54	2969	2934374	2whfc	nm678		1:24000
Burnac, moderately deep-Arlenson, stony families complex, warm, 0 to 15 percent slopes	645	1669	2934400	2whg6	nm678		1:24000
Burnac family, warm, 15 to 40 percent slopes, very stony	693	1273	2934417	2whgr	nm678		1:24000
Burnac, moderately deep-Arlenson, stony families complex, 0 to 40 percent slopes	644	645	2934399	2whg5	nm678		1:24000

Map of Series Extent

Approximate geographic distribution of the BURNAC 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).