Soil Data Explorer - SURDAL

Official Series Description

Lab Data Summary

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

Soil series sharing subgroup-level classification with SURDAL, 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 SURDAL 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
Sebud, extremely stony-Lake Creek, very stony-Surdal, stony families, complex, 25 to 60 percent slopes	1169F	69	3039662	2r6xv	mt602	1963	1:20000
Sebud, stony-Surdal, stony-Poin, very stony complex, 8 to 35 percent slopes	2213E	767	148354	4zcm	mt604	2001	1:24000
Rubick-Surdal complex, 15 to 35 percent slopes	738E	440	1859705	20f5h	mt605	2007	1:24000
Sebud, stony-Surdal, stony-Poin, very stony complex, 8 to 35 percent slopes	2213E	234	1859503	20dyz	mt605	2007	1:24000
Maurice-Sigbird-Surdal complex, 20 to 50 percent slopes, stony	741F	115	1859707	20f5k	mt605	2007	1:24000
Rubick-Surdal complex, 30 to 70 percent slopes, very stony	747F	44	1859708	20f5l	mt605	2007	1:24000
Libeg-Poin, extremely stony-Surdal, stony complex, 2 to 15 percent slopes	951D	30	2598019	2ppb9	mt605	2007	1:24000
Maurice-Surdal-Mawspring complex, 12 to 35 percent slopes, stony	739E	12	1859706	20f5j	mt605	2007	1:24000
Surdal, very stony-Rubble land complex, 30 to 70 percent slopes	703G	3	1859694	20f54	mt605	2007	1:24000
Libeg-Poin, extremely stony-Surdal, stony complex, 2 to 15 percent slopes	951D	1948	2518726	2ppb9	mt614	2012	1:24000
Sebud, extremely stony-Lake Creek, very stony-Surdal, stony families, complex, 25 to 60 percent slopes	1169F	54	3044832	2r6xv	mt615	1992	1:24000
Sebud, stony-Surdal, stony-Arrowpeak, very stony, complex, 35 to 60 percent slopes	2213F	715	150875	51zy	mt627	1998	1:24000
Sebud, stony-Surdal, stony-Arrowpeak, very stony, complex, 8 to 35 percent slopes	2213E	708	150874	51zx	mt627	1998	1:24000
Sebud, bouldery-Surdal, very bouldery-Arrowpeak, very bouldery, complex, 15 to 35 percent slopes	2214E	517	150877	5200	mt627	1998	1:24000
Sebud-Surdal complex, 4 to 25 percent slopes, stony	2216D	505	150879	5202	mt627	1998	1:24000
Arrowpeak, very stony-Surdal, stony-Rock outcrop complex, 8 to 35 percent slopes	2221E	345	150882	5205	mt627	1998	1:24000
Surdal, stony-Arrowpeak, very stony, complex, 4 to 25 percent slopes	2421E	205	150922	521g	mt627	1998	1:24000
Arrowpeak, very stony-Sebud, stony-Surdal, very stony, complex, 25 to 60 percent slopes	2222F	99	150883	5206	mt627	1998	1:24000
Sebud, extremely stony-Lake Creek, very stony-Surdal, stony families, complex, 25 to 60 percent slopes	1169F	67	3094088	2r6xv	mt630	1991	1:24000
Sebud, extremely stony-Lake Creek, very stony-Surdal, stony families, complex, 25 to 60 percent slopes	1169F	10109	2604443	2r6xv	mt632		1:24000
Sebud, very stony-Lake Creek, stony-Surdal, stony families, complex, 8 to 35 percent slopes	1169E	8251	2604440	2r6xr	mt632		1:24000
Lake Creek-Surdal families, complex, 30 to 60 percent slopes, very stony	1166F	5380	2724636	2sh7w	mt632		1:24000
Maurice-Surdal-Mawspring complex, 12 to 35 percent slopes, stony	739E	279	1703208	1v5b6	mt635	2006	1:24000
Rubick-Surdal complex, 15 to 35 percent slopes, very stony	738E	199	1703207	1v5b5	mt635	2006	1:24000
Maurice-Sigbird-Surdal complex, 20 to 50 percent slopes, stony	741F	154	1703209	1v5b7	mt635	2006	1:24000
Sigbird, very shallow-Sigbird-Surdal complex, 8 to 25 percent slopes	744E	102	1703210	1v5b8	mt635	2006	1:24000
Surdal, very stony-Rubble land complex, 30 to 70 percent slopes	703G	29	1703201	1v59z	mt635	2006	1:24000
Libeg-Poin, extremely stony-Surdal, stony complex, 2 to 15 percent slopes	951D	617	2537047	2ppb9	mt636	1983	1:24000
Sebud, extremely stony-Lake Creek, very stony-Surdal, stony families, complex, 25 to 60 percent slopes	1169F	249	2979666	2r6xv	mt637	2014	1:24000
Sebud, very stony-Lake Creek, stony-Surdal, stony families, complex, 8 to 35 percent slopes	1169E	47	2979674	2r6xr	mt637	2014	1:24000
Sebud, extremely stony-Lake Creek, very stony-Surdal, stony families, complex, 25 to 60 percent slopes	1169F	27	3094123	2r6xv	mt657	1990	1:24000
Spanpeak, stony-Booneville-Surdal, stony complex, 35 to 70 percent slopes	8605F	3662	156769	5842	mt669		1:24000
Libeg stony - Adel - Surdal complex,moist, 15 to 35 percent slopes	8503F	715	156765	583y	mt669		1:24000
Maurice-Sigbird-Surdal complex, 20 to 50 percent slopes, stony	741F	3169	1424797	1jtm6	mt670	2007	1:24000
Maurice-Surdal-Mawspring complex, 12 to 35 percent slopes, stony	739E	2993	1424780	1jtln	mt670	2007	1:24000
Rubick-Surdal complex, 15 to 35 percent slopes, very stony	738E	1582	1424781	1jtlp	mt670	2007	1:24000
Sigbird, very shallow-Sigbird-Surdal complex, 8 to 25 percent slopes	744E	821	1424794	1jtm3	mt670	2007	1:24000
Rubick-Surdal complex, 30 to 70 percent slopes, very stony	747F	808	1424791	1jtm0	mt670	2007	1:24000
Surdal, very stony-Rubble land complex, 30 to 70 percent slopes	703G	620	362046	d4qx	mt670	2007	1:24000
Surdal-Mawspring, bouldery complex, 8 to 25 percent slopes	749E	337	1424777	1jtlk	mt670	2007	1:24000
Surdal-Sigbird-Mawspring complex, 15 to 60 percent slopes, very stony	757F	149	1424769	1jtl9	mt670	2007	1:24000
Surdal-Irson-Quander complex, 25 to 60 percent slopes, extremely stony -- Draft	940		2551470	2qts7	wy629		1:24000
Geertsen-Surdal-Spearhead families, complex, 15 to 75 percent slopes	217		3250480	595z	wy629		1:24000
Rock outcrop-Surdal, extremely bouldery-Wix, extremely stony complex, 15 to 50 percent slopes	7701	9892	1475592	1ljgr	wy635		1:24000
Surdal-Barbarela-Goldhill complex, 3 to 15 percent slopes	5342	5091	2554720	2rbzx	wy635		1:24000
Surdal-Redfern-Rock outcrop complex, 3 to 60 percent slopes	214	10333	733738	smhz	wy647		1:24000
Geertsen-Surdal-Spearhead families, complex, 15 to 75 percent slopes	217	11973	157789	595z	wy656	2008	1:24000
Surdal-Starman-Spearhead families, complex, 15 to 60 percent slopes	220	2406	157791	5961	wy656	2008	1:24000
Rock outcrop-Surdal, extremely bouldery-Wix, extremely stony complex, 15 to 50 percent slopes	7701	386	2514409	1ljgr	wy662	1998	1:24000
Rock outcrop-Surdal, extremely bouldery-Wix, extremely stony complex, 15 to 50 percent slopes	7701	483	2925100	1ljgr	wy713	1986	1:24000
Surdal-Barbarela-Goldhill complex, 3 to 15 percent slopes	5342	7	2925108	2rbzx	wy713	1986	1:24000

Map of Series Extent

Approximate geographic distribution of the SURDAL 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).