Soil Data Explorer - AUSTIN

Official Series Description

Lab Data Summary

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

Pedons used in the lab summary:

MLRA	Lab ID	Pedon ID	Taxonname	CI	NSSL / NASIS Reports	Link To SoilWeb GMap
86A	S08TX027-005	S08TX027005	Austin	5	Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties	30.9177246,-97.4700928
86A	09N0993	S09TX3090011	Austin	7	Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties	31.8258858,-97.0807648
86A	40A4535	S1962TX309001	AUSTIN	6	Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties	31.4083328,-97.1999969
86A	40A4536	S1962TX309002	AUSTIN	6	Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties	31.3999996,-97.1944427
86A	S78TX041006	S78TX027006	Austin	2	Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties	31.0450001,-97.3644409

Water Balance

Monthly water balance estimated using a leaky-bucket style model for the AUSTIN 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 AUSTIN 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 AUSTIN 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 AUSTIN 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 mountains figure.

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

Competing Series

Soil series competing with AUSTIN 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 AUSTIN 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 AUSTIN 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 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 AUSTIN, 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

Click a link below to display the diagram. Note that these diagrams may be from multiple survey areas.

1. TX-2010-11-03-01 | Fannin County - 2001

   Pattern of soils and parent material in the Fairlie-Dalco general soil map unit (Soil Survey of Fannin County, Texas; 2001).

2. TX-2010-11-03-03 | Fannin County - 2001

   Pattern of soils and parent material in the Whitewright-Howe general soil map unit (Soil Survey of Fannin County, Texas; 2001).

3. TX-2012-03-20-41 | Ellis County - August 1964

   Block diagram showing relation of eight soil associations in Ellis County to the underlying materials and surface relief (Soil Survey of Ellis County, TX; 1964).

4. TX-2012-03-20-43 | Ellis County - August 1964

   Representative pattern of soils in soil association 2. Ellis and Houston clays occupy the more sloping areas; Houston Black clay occupies the nearly level areas (Soil Survey of Ellis County, TX; 1964).

5. TX-2012-03-20-44 | Ellis County - August 1964

   Relation of soils in soil association 4 to the underlying chalky bedrock. Eddy soils and Stephen silty clay soils are in soil association 4 (Soil Survey of Ellis County, TX; 1964).

6. TX-2012-03-20-45 | Ellis County - August 1964

   Geographical association of soils on sloping and gently sloping blackland. Austin silty clay and Houston Black clay soils are in soil association 5 (Soil Survey of Ellis County, TX; 1964).

7. TX-2012-03-22-14 | Williamson County - January 1983

   Typical landscape pattern of the Austin-Houston Black-Castephen general soil map unit (Soil Survey of Williamson County, TX; 1983).

Map Units

Map units containing AUSTIN 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
Austin silty clay, 1 to 3 percent slopes	AsB	19143	391066	2vtgj	tx027	1972	1:24000
Austin silty clay, 2 to 5 percent slopes, moderately eroded	AsC	18913	391067	2vtgk	tx027	1972	1:24000
Austin-Urban land complex, 2 to 5 percent slopes	AuC	3007	391068	2sshc	tx027	1972	1:24000
Austin-Whitewright complex, 2 to 6 percent slopes, eroded	AwD3	637	3130034	2s1qt	tx027	1972	1:24000
Austin silty clay, 0 to 1 percent slopes	AsA	386	3130033	2s1qs	tx027	1972	1:24000
Whitewright-Austin complex, 1 to 5 percent slopes	BsC	9172	390452	f397	tx029	2000	1:24000
Austin silty clay, 2 to 5 percent slopes, moderately eroded	AuC	8480	390448	2vtgk	tx029	2000	1:24000
Austin silty clay, 1 to 3 percent slopes	AuB	8003	390447	2vtgj	tx029	2000	1:24000
Austin silty clay, 2 to 5 percent slopes, moderately eroded	AuC2	32005	364057	2vtgk	tx085	1965	1:20000
Austin silty clay, 1 to 3 percent slopes	AuB	25525	364056	2vtgj	tx085	1965	1:20000
Austin silty clay, 5 to 8 percent slopes, moderately eroded	AuD2	13497	364058	2vv4v	tx085	1965	1:20000
Austin-Urban land complex, 0 to 2 percent slopes	8	19293	364866	d7nw	tx113	1975	1:20000
Austin silty clay, 1 to 3 percent slopes	5	16432	364833	2vtgj	tx113	1975	1:20000
Austin-Urban land complex, 2 to 5 percent slopes	9	12700	364868	2sshc	tx113	1975	1:20000
Austin-Lewisville complex, 5 to 8 percent slopes, erode d	7	3965	364855	d7nj	tx113	1975	1:20000
Austin silty clay, 2 to 5 percent slopes, moderately eroded	6	3871	364844	2vtgk	tx113	1975	1:20000
Austin silty clay, 1 to 3 percent slopes	AuB	42644	365275	2vtgj	tx139	1962	1:20000
Austin silty clay, 2 to 5 percent slopes, moderately eroded	AuC2	15230	365276	2vtgk	tx139	1962	1:20000
Austin silty clay, 5 to 8 percent slopes, moderately eroded	AuD2	2956	365277	2vv4v	tx139	1962	1:20000
Whitewright and Austin soils, 2 to 5 percent slopes eroded	BkC2	742	365280	d837	tx139	1962	1:20000
Austin silty clay, 1 to 3 percent slopes	5	1822	365470	2vtgj	tx145	1975	1:20000
Austin silty clay, 2 to 5 percent slopes, moderately eroded	6	1645	365481	2vtgk	tx145	1975	1:20000
Austin silty clay loam, 1 to 3 percent slopes	AuB	6130	365497	d8b7	tx147	1989	1:24000
Austin silty clay, 2 to 5 percent slopes, moderately eroded	9	16142	366723	2vtgk	tx181	1977	1:20000
Austin silty clay, 1 to 3 percent slopes	8	12894	366720	2vtgj	tx181	1977	1:20000
Austin-Urban land complex, 2 to 5 percent slopes	10	1858	366644	2sshc	tx181	1977	1:20000
Austin silty clay, 1 to 3 percent slopes	AuB	1985	366835	2vtgj	tx187	1973	1:20000
Austin silty clay, 2 to 5 percent slopes, moderately eroded	AuC3	1881	366836	2vtgk	tx187	1973	1:20000
Austin silty clay, 1 to 3 percent slopes	7	10360	367786	2vtgj	tx217	1975	1:20000
Austin silty clay, 2 to 5 percent slopes, moderately eroded	8	5980	367797	2vtgk	tx217	1975	1:20000
Austin silty clay, 1 to 3 percent slopes	AsB	7832	370072	2vtgj	tx309	1992	1:24000
Austin-Urban land complex, 1 to 3 percent slopes	AuC	5141	370073	df2v	tx309	1992	1:24000
Austin silty clay, 1 to 5 percent slopes	AuC	1428	370535	2vv4s	tx325	1972	1:24000
Austin silty clay, 1 to 3 percent slopes	AuB	6137	371427	dghj	tx387	1972	1:24000
Urban land, Austin, and Whitewright soils, 1 to 8 percent slopes	UtD	9910	393255	f66n	tx453	1969	1:20000
Austin-Urban land complex, 2 to 5 percent slopes	UsC	8031	393254	2sshc	tx453	1969	1:20000
Austin silty clay, 2 to 5 percent slopes, moderately eroded	AsC2	7414	392158	2vtgk	tx453	1969	1:20000
Austin silty clay, 1 to 3 percent slopes	AsB	6415	392157	2vtgj	tx453	1969	1:20000
Austin-Whitewright complex, 3 to 5 percent slopes, moderately eroded	AtC2	3300	392159	f529	tx453	1969	1:20000
Austin-Whitewright complex, 5 to 8 percent slopes, moderately eroded	AtD2	1198	392160	f52b	tx453	1969	1:20000
Austin silty clay, 1 to 3 percent slopes	AsB	25716	373518	2vtgj	tx491	1981	1:20000
Austin-Whitewright complex, 2 to 6 percent slopes, eroded	AwD3	18941	373519	2s1qt	tx491	1981	1:20000
Austin silty clay, 0 to 1 percent slopes	AsA	844	373517	2s1qs	tx491	1981	1:20000
Austin-Castephen complex, 1 to 3 percent slopes	AuB	2924	378702	dq26	tx604	1981	1:20000
Austin-Castephen complex, 2 to 5 percent slopes, eroded	AuC3	696	378703	dq27	tx604	1981	1:20000
Austin silty clay, 1 to 3 percent slopes	4	6448	393334	f696	tx614	1975	1:20000

Map of Series Extent

Approximate geographic distribution of the AUSTIN 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).