Soil Data Explorer - KIRBY

Official Series Description

Lab Data Summary

Aggregate lab data for the KIRBY soil series. This aggregation is based on all pedons with a current taxon name of KIRBY, 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 KIRBY 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 KIRBY 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 KIRBY 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 KIRBY 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 KIRBY 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 KIRBY 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 KIRBY 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).

There are insufficient data to create the annual climate figure.

Geomorphic description summaries for the KIRBY 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 2D hillslope position figure.

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

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

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

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

Soil series sharing subgroup-level classification with KIRBY, 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 KIRBY 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
Kirby-Cabbart complex, 8 to 25 percent slopes	176D	1840	342970	chwk	mt011	1992	1:24000
Kirby-Blacksheep-Rock outcrop complex, 25 to 60 percent slopes	276F	571	343065	2xrs8	mt011	1992	1:24000
Rock outcrop-Cabbart-Kirby complex, 25 to 70 percent slopes	691F	5525	343649	cjlg	mt017	1995	1:24000
Cambeth, calcaerous-Cabbart-Kirby complex, 8 to 45 percent slopes	293E	5022	343376	2zg5l	mt017	1995	1:24000
Armells-Kirby-Cabbart complex, 25 to 70 percent slopes, stony	151F	2766	343319	2yk03	mt017	1995	1:24000
Kirby-Cabbart-Rock outcrop complex, 25 to 70 percent slopes	943F	504	343764	cjq5	mt017	1995	1:24000
Armells-Kirby complex, 25 to 70 percent slopes	912F	137	343739	2zg6j	mt017	1995	1:24000
Kirby-Blacksheep-Rock outcrop complex, 25 to 60 percent slopes	612F	32	343581	2xrs8	mt017	1995	1:24000
Birney-Cooers-Kirby complex, 2 to 15 percent slopes	913D	24	343741	cjpf	mt017	1995	1:24000
Lambert-Kirby complex, 15 to 65 percent slopes	Lr	26531	342021	cgwy	mt021	1971	1:24000
Kirby-Cabbart complex, 8 to 25 percent slopes	176D	9239	3040367	ch0k	mt025	1991	1:24000
Kirby-Blacksheep-Rock outcrop complex, 25 to 60 percent slopes	276F	8441	342184	2xrs8	mt025	1991	1:24000
Cooers-Kirby-Rock outcrop complex, 8 to 25 percent slopes	8E	4934	342309	ch67	mt025	1991	1:24000
Delpoint-Cooers-Kirby complex, 15 to 35 percent slopes	371E	1547	342215	ch36	mt025	1991	1:24000
Kirby-Badland-Patent complex, 9 to 70 percent slopes	L3007F	605	3223493	2q2mw	mt025	1991	1:24000
Lonna-Kirby-Cabbart complex, 2 to 50 percent slopes	L3025F	580	342133	2q383	mt025	1991	1:24000
Cambeth, calcaerous-Cabbart-Kirby complex, 8 to 45 percent slopes	377E	2346	342641	2zg5l	mt033	2002	1:24000
Cambeth-Cabbart-Kirby complex, 4 to 15 percent slopes	377D	2028	342640	chjx	mt033	2002	1:24000
Cabbart-Kirby complex, 8 to 45 percent slopes	33	7423	344395	ckcj	mt055	1981	1:24000
Yawdim-Kirby complex, 8 to 35 percent slopes	167	490	344368	ckbn	mt055	1981	1:24000
Cambeth, calcaerous-Cabbart-Kirby complex, 8 to 45 percent slopes	25	15595	344845	2zg5l	mt079	1986	1:24000
Rock outcrop-Cabbart-Kirby complex, 25 to 70 percent slopes	109	3623	344785	cks3	mt079	1986	1:24000
Neldore-Weingart-Kirby complex, 4 to 25 percent slopes	99	989	345055	cl1t	mt079	1986	1:24000
Lonna-Kirby-Cabbart complex, 2 to 50 percent slopes	L3025F	373	345612	2q383	mt109	1956	1:31680
Kirby-Cabbart-Blacksheep complex, wooded, 6 to 45 percent slopes	294	6995	1387767	1hl2p	mt643	1967	1:20000
Armells-Kirby-Cabbart complex, 25 to 70 percent slopes, stony	10	37660	347920	2yk03	mt649	1985	1:24000
Kirby-Cabbart-Rock outcrop complex, 25 to 70 percent slopes	108	26063	347929	cp1j	mt649	1985	1:24000
Birney-Kirby channery loams, 4 to 25 percent slopes	19	18627	348019	cp4f	mt649	1985	1:24000
Birney-Cooers-Kirby complex, 2 to 15 percent slopes	18	9484	348008	cp42	mt649	1985	1:24000
Birney, moist-Birney-Kirby channery loams, 15 to 25 percent slopes	22	9350	348051	cp5g	mt649	1985	1:24000
Birney-Kirby-Cabbart complex, 15 to 25 percent slopes	20	6707	348031	cp4t	mt649	1985	1:24000
Armells-Kirby complex, 25 to 70 percent slopes	9	6490	348125	2zg6j	mt649	1985	1:24000
Cambeth, calcaerous-Cabbart-Kirby complex, 8 to 45 percent slopes	218	920	361372	2zg5l	mt649	1985	1:24000
Lonna-Kirby-Cabbart complex, 2 to 50 percent slopes	L3025F	35690	2707055	2q383	nd007	1998	1:24000
Kirby-Badland-Patent complex, 9 to 70 percent slopes	L3007F	11930	2707053	2q2mw	nd007	1998	1:24000
Gerda-Kirby complex, 2 to 15 percent slopes	L3015D	7207	2707054	2qxl9	nd007	1998	1:24000
Kirby-Arikara-Badland complex, 9 to 70 percent slopes	L3104F	4391	2707057	2q2mz	nd007	1998	1:24000
Kirby-Scairt complex, 9 to 70 percent slopes	L3013F	50	2758439	2q2mx	nd007	1998	1:24000
Lonna-Kirby-Cabbart complex, 2 to 50 percent slopes	L3025F	27	2563483	2q383	nd011	1969	1:20000
Kirby-Scairt complex, 9 to 70 percent slopes	L3013F	142	2758499	2q2mx	nd025	1981	1:20000
Kirby-Badland-Patent complex, 9 to 70 percent slopes	L3007F	73	2758498	2q2mw	nd025	1981	1:20000
Lonna-Kirby-Cabbart complex, 2 to 50 percent slopes	L3025F	25029	2707336	2q383	nd033	1985	1:24000
Kirby-Badland-Patent complex, 9 to 70 percent slopes	L3007F	35	2759765	2q2mw	nd033	1985	1:24000
Gerda-Kirby complex, 2 to 15 percent slopes	L3015D	6	2759766	2qxl9	nd033	1985	1:24000
Kirby-Badland-Patent complex, 9 to 70 percent slopes	L3007F	16035	2715133	2q2mw	nd053	2003	1:24000
Kirby-Scairt complex, 9 to 70 percent slopes	L3013F	7461	2715134	2q2mx	nd053	2003	1:24000
Kirby-Arikara-Badland complex, 9 to 70 percent slopes	L3104F	3362	2715135	2q2mz	nd053	2003	1:24000
Lonna-Kirby-Cabbart complex, 2 to 50 percent slopes	L3025F	3013	2715138	2q383	nd053	2003	1:24000
Gerda-Kirby complex, 2 to 15 percent slopes	L3015D	1273	2715153	2qxl9	nd053	2003	1:24000
Lonna-Kirby-Cabbart complex, 2 to 50 percent slopes	L3025F	20001	2715928	2q383	nd087	1974	1:20000
Gerda-Kirby complex, 2 to 15 percent slopes	L3015D	85	2758538	2qxl9	nd087	1974	1:20000
Kirby-Badland-Patent complex, 9 to 70 percent slopes	L3007F	71	2758536	2q2mw	nd087	1974	1:20000
Kirby-Scairt complex, 9 to 70 percent slopes	L3013F	5	2758537	2q2mx	nd087	1974	1:20000
Kirby-Cabbart-Rock outcrop complex, 15 to 60 percent slopes	KcF	3441	355755	cy5z	sd063	1984	1:24000
Kirby-Cabbart-Blacksheep complex, wooded, 6 to 45 percent slopes	294	22219	817633	wft8	wy705	2003	1:24000
Bonfri-Kirby complex, 0 to 10 percent slopes	258	732	817555	wfqr	wy705	2003	1:24000

Map of Series Extent

Approximate geographic distribution of the KIRBY 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).