Soil Data Explorer - MCCAY

Official Series Description

Lab Data Summary

Aggregate lab data for the MCCAY soil series. This aggregation is based on all pedons with a current taxon name of MCCAY, 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 MCCAY 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 MCCAY 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 MCCAY 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 MCCAY 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 MCCAY 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 flats position figure.

Competing Series

Soil series competing with MCCAY 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 MCCAY 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 MCCAY 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 hills 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 MCCAY, 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 MCCAY 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
McCay-Pearsoncreek families, complex, steep glacial trough walls, avalanche chutes	2lg00	45	2850782	2lg00	id601	2002	1:24000
McCay-Typic Haplocryands-Frizzelcreek families, complex, glaciated mountain slopes, belt geology	2lg0r	44	2850785	2lg0r	id601	2002	1:24000
McCay-Pearsoncreek families, complex, steep glacial trough walls, avalanche chutes	2lg00	20	2850828	2lg00	id604	1981	1:24000
McCay-Typic Haplocryands-Frizzelcreek families, complex, glaciated mountain slopes, belt geology	221	27289	2396757	2lg0r	id670		1:24000
McCay-Pearsoncreek families, complex, steep glacial trough walls, avalanche chutes	180	10402	2396734	2lg00	id670		1:24000
McCay-Typic Haplocryands-Frizzelcreek families, complex, steep glaciated mountain slopes, belt geology, 25 to 65 percent slopes	222	9615	2396758	2lg0s	id670		1:24000
McCay-Typic Haplocryands-Frizzelcreek families, complex, shallow incised glaciated mountain slopes, belt geology	231	5238	2396767	2lg12	id670		1:24000
McCay-Pearsoncreek families, complex, steep glacial trough walls, avalanche chutes, rain-on-snow	181	4396	2396735	2lg01	id670		1:24000
McCay-Typic Haplocryands-Frizzelcreek families, complex, moderately incised glaciated mountain slopes, belt geology	232	2554	2396769	2lg14	id670		1:24000
McCay-Typic Haplocryands-Frizzelcreek families, complex, steep glaciated mountain slopes, belt geology, 40 to 75 percent slopes	223	1958	2396760	2lg0v	id670		1:24000
McCay, Vaywood and Muddycreek families, cirque basins	2x6td	31	3044489	2x6td	id670		1:24000
McCay family, broadly convex ridges, weakly weathered metamorphic bedrock	2x6tb	23	3044487	2x6tb	id670		1:24000
McCay family, broadly convex ridges, weakly weathered metamorphic bedrock	32QA	107485	2809073	2tr50	mt603	1989	1:24000
McCay family, moderately steep mountain slopes, weakly weathered metasedimentary rock	30QE	78728	2809068	2tr4t	mt603	1989	1:24000
McCay, cold-McCay families, complex, broadly convex ridges	33UA	60459	2809076	2tr53	mt603	1989	1:24000
McCay, Vaywood and Muddycreek families, cirque basins	42QA	46890	2809086	2tr5d	mt603	1989	1:24000
McCay family, steep mountain slopes	64QE	36389	2809126	2tr6p	mt603	1989	1:24000
McCay-Crabtree families, complex, undulating uplands	38QA	13971	2809078	2tr54	mt603	1989	1:24000
McCay-Elkridge-Melrude families, complex, moraines	72OA	8258	2809130	2trb1	mt603	1989	1:24000
Courville family-Andic Hapludalfs-McCay family, complex, glacially scoured mountain slopes	74BA	3030	2809133	2trb4	mt603	1989	1:24000
McCay family, moderately steep mountain slopes, weakly weathered metasedimentary rock	30QE	0	2995290	2tr4t	mt618	2008	1:24000
McCay-Crabtree families, complex, undulating uplands	38QA	0	2995306	2tr54	mt629	1991	1:20000
McCay family, broadly convex ridges, weakly weathered metamorphic bedrock	32QA	0	2995304	2tr50	mt629	1991	1:20000
McCay, cold-McCay families, complex, broadly convex ridges	33UA	0	2995305	2tr53	mt629	1991	1:20000
McCay family, broadly convex ridges, weakly weathered metamorphic bedrock	32QA	1040	2995307	2tr50	mt634	1988	1:24000
McCay-Elkridge-Melrude families, complex, moraines	72OA	372	3164863	2trb1	mt634	1988	1:24000
McCay, cold-McCay families, complex, broadly convex ridges	33UA	361	2995308	2tr53	mt634	1988	1:24000
Courville family-Andic Hapludalfs-McCay family, complex, glacially scoured mountain slopes	74BA	145	3164864	2trb4	mt634	1988	1:24000
McCay family, moderately steep mountain slopes, weakly weathered metasedimentary rock	30QE	62	3164855	2tr4t	mt634	1988	1:24000
McCay-Crabtree families, complex, undulating uplands	38QA	47	2995309	2tr54	mt634	1988	1:24000
McCay family, steep mountain slopes	64QE	0	2995316	2tr6p	mt635	2006	1:24000
McCay family, broadly convex ridges, weakly weathered metamorphic bedrock	32QA	0	2995312	2tr50	mt635	2006	1:24000
McCay, cold-McCay families, complex, broadly convex ridges	33UA	0	2995315	2tr53	mt635	2006	1:24000
McCay family, steep mountain slopes	64QE	1290	2995367	2tr6p	mt638	1985	1:24000
McCay family, moderately steep mountain slopes, weakly weathered metasedimentary rock	30QE	645	2995334	2tr4t	mt638	1985	1:24000
McCay family, broadly convex ridges, weakly weathered metamorphic bedrock	32QA	596	2995336	2tr50	mt638	1985	1:24000
McCay-Elkridge-Melrude families, complex, moraines	72OA	568	2995370	2trb1	mt638	1985	1:24000
McCay-Crabtree families, complex, undulating uplands	38QA	248	2995340	2tr54	mt638	1985	1:24000
McCay, cold-McCay families, complex, broadly convex ridges	33UA	67	2995339	2tr53	mt638	1985	1:24000
McCay-Elkridge-Melrude families, complex, moraines	72OA	261	2995389	2trb1	mt644	1995	1:24000
McCay family, broadly convex ridges, weakly weathered metamorphic bedrock	32QA	1085	2995419	2tr50	mt651	1997	1:24000
McCay, cold-McCay families, complex, broadly convex ridges	33UA	330	2995422	2tr53	mt651	1997	1:24000
McCay-Crabtree families, complex, undulating uplands	38QA	197	2995423	2tr54	mt651	1997	1:24000
McCay family, moderately steep mountain slopes, weakly weathered metasedimentary rock	30QE	170	2995417	2tr4t	mt651	1997	1:24000
McCay-Elkridge-Melrude families, complex, moraines	72OA	167	2995446	2trb1	mt651	1997	1:24000
McCay family, steep mountain slopes	64QE	47	2995445	2tr6p	mt651	1997	1:24000
McCay, Vaywood and Muddycreek families, cirque basins	42QA	2	2995426	2tr5d	mt651	1997	1:24000
McCay-Typic Haplocryands-Frizzelcreek families, complex, shallow incised glaciated mountain slopes, belt geology	2lg12	14	2850915	2lg12	wa651	1981	1:24000
McCay-Typic Haplocryands-Frizzelcreek families, complex, glaciated mountain slopes, belt geology	2lg0r	4	2850953	2lg0r	wa651	1981	1:24000
McCay gravelly ashy sandy loam, 15 to 35 percent slopes	226	1108	75892	2jz4	wa749	2005	1:24000
McCay-Rock outcrop complex, 35 to 65 percent slopes	227	615	75893	2jz5	wa749	2005	1:24000

Map of Series Extent

Approximate geographic distribution of the MCCAY 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).