Soil Data Explorer - GOMPERS

Official Series Description

Lab Data Summary

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

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

Soil series sharing subgroup-level classification with GOMPERS, 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 GOMPERS 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
Gompers very channery silt loam, 25 to 50 percent slopes	114	3127	927327	103ys	co685	1979	1:24000
Towave-Gompers-Rock outcrop association, 45 to 80 percent slopes	124	523	929002	105pt	co685	1979	1:24000
Gompers-Rock outcrop complex, 50 to 80 percent slopes	115	216	927328	103yt	co685	1979	1:24000
Gompers very channery silt loam, 4 to 25 percent slopes	262	73	629935	p4hh	co686	1992	1:31680
Gompers-Rock outcrop-Tabyago, extremely bouldery complex, 25 to 80 percent slopes	GOF	36178	2440215	2mx7m	ut013		1:24000
Pathead-Paunsaugunt-Gompers complex, 40 to 80 percent slopes	OPF	14214	2440306	2mxbk	ut013		1:24000
Sowers-Gompers-Saddlehorse, extremely bouldery complex, 20 to 75 percent slopes	RYF	14075	1476215	1lk3v	ut013		1:24000
Rangecreek, very stony-Gompers-Sowers complex, 35 to 80 percent slopes	QaG	12985	2503736	2pw0d	ut013		1:24000
Towave-Gompers complex, 45 to 80 percent slopes	234	4582	2958654	2p9r0	ut013		1:24000
Gompers very channery silt loam, 20 to 50 percent slopes	82	3338	2509018	2ptzv	ut013		1:24000
Towave-Gompers-Rock outcrop association, 45 to 80 percent slopes	234	27420	505511	jz0t	ut047	1999	1:24000
Gompers-Rock outcrop complex, 50 to 80 percent slopes	85	21277	505630	jz4n	ut047	1999	1:24000
Gompers-Bigpack association, 2 to 25 percent slopes	83	19475	505628	jz4l	ut047	1999	1:24000
Gompers very channery silt loam, 4 to 25 percent slopes	81	14315	505627	jz4k	ut047	1999	1:24000
Gompers very channery silt loam, 25 to 50 percent slopes	82	10222	505626	jz4j	ut047	1999	1:24000
Gompers-Pherson association, 4 to 25 percent slopes	84	5543	505629	jz4m	ut047	1999	1:24000
Gompers family-Rock outcrop, Straight Cliffs Formation-Sheecal family complex, 50 to 80 percent slopes	5077	2604	59839	2089	ut686	2004	1:24000
Gompers-Cusheet-Craighigh complex, 15 to 60 percent slopes	6312	1817	2970237	2wwq9	wy723		1:24000
Gompers-Delpoint family-Birney family, complex, 20 to 35 percent slopes	4117		3222501	2ztmc	wy737		1:24000
Cabbart-Gompers family-Hawkdepth complex, 10 to 50 percent slopes	4408		3222489	31332	wy737		1:24000
Rootel-Rencot-Gompers complex, 6 to 30 percent slopes -- draft	537	460	2572520	jx24	wy737		1:24000

Map of Series Extent

Approximate geographic distribution of the GOMPERS 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).