First, a soil that is artificially drained or protected (ditches, levees, etc.) is a hydric soil if the soil in its undisturbed state meets the definition of a hydric soil. Estimated soil properties for manipulated soils are based on best professional estimates of the properties thought to exist before manipulation.
https://en.wikipedia.org/wiki/Hydric_soil
Included in this publication are. the hydric soil indicators approved by the NRCS and the National Technical Committee. for Hydric Soils (NTCHS) for use in identifying, delineating, and verifying hydric soils. in the field. Also included are indicators designated as test indicators, which are not.
https://www.nrcs.usda.gov/Internet/FSE_DOCUMENTS/stelprdb1046970.pdf
Hydric Soils - Introduction. Definition. The definition of a hydric soil is a soil that formed under conditions of saturation, flooding or ponding long enough during the growing season to develop anaerobic conditions in the upper part. Field Indicators are soil characteristics which are documented to be strictly associated only with hydric soils.
https://www.nrcs.usda.gov/wps/portal/nrcs/detail/soils/use/hydric/?cid=nrcs142p2_053961
Hydric Soils. Soil Drainage Classification and Hydric Soil Indicators. EAS/CSS 260 - Intro Soil Science. Cornell University. Drainage classification of soils refers to the frequency and duration of periods when the soil. is saturated with water. Hydric soils , loosely corresponding to poorly and very poorly drainage. designations and to aquic moisture regimes in soil taxonomy, are water-saturated for sufficient.
http://www.css.cornell.edu/courses/260/Lab%20Hydric%20Soils.pdf
The goal of this document is to make landowners aware of what hydric soils are, where they are found, how they are formed and how their presence is determined. The blue underlined topics are directly linked to their section in the text. Click on the topic of interest to proceed directly to that section.
http://broome.soil.ncsu.edu/student_projects_2014/hydric_soils/hydricsoils.htm
Field Indicators of Hydric Soils in the United States has been developed by soil. scientists of the Natural Resources Conservation Service (NRCS) in cooperation with. the U.S. Fish and Wildlife Service (FWS); the U.S. Army Corps of Engineers (COE); the.
https://www.nrcs.usda.gov/Internet/FSE_DOCUMENTS/stelprdb1046970.pdf
Hydric soil. Hydric soil is soil which is permanently or seasonally saturated by water, resulting in anaerobic conditions, as found in wetlands.
https://en.wikipedia.org/wiki/Hydric_soil
Examine the soils to see if hydric soil indicators are present. Take a shovel, dig a hole 12 inches (30 cm) deep and look at the soil. If indicators like those explained above are found, the soils might hydric. If there is a rotten egg smell, the soils are probably hydric.
http://broome.soil.ncsu.edu/student_projects_2014/hydric_soils/hydricsoils.htm
A perched water table may occur in any landscape that has an underlying soil layer high in clay content. The clay layer drastically slows the downward movement of water through the soil, causing the water to pond or perch. This ponding will saturate the soils above the clay layer and may produce hydric soils.
http://broome.soil.ncsu.edu/student_projects_2014/hydric_soils/hydricsoils.htm
Cover: All of the soils on the cover are hydric soils. The soil in the top left meets. requirements of the indicator S7, Dark Surface; the one in the top right meets the. requirements of A11, Depleted Below Dark Surface; the one in the bottom left meets.
https://www.nrcs.usda.gov/Internet/FSE_DOCUMENTS/stelprdb1046970.pdf
how soil becomes hydric
Soil which is permanently or seasonally saturated by water, resulting in anaerobic conditions, as found in wetlands is becomes hydric. Soil which is permanently or seasonally saturated by water becomes hydric.