Identifying Hydric Soils in the Landscape
Lenore M. Vasilas, Jacob F. Berkowitz · 2015
Introduction ................................................................................................................................. 220 Off-Site Investigations for the Presence of Hydric Soils ........................................................ 220 Web Soil Survey and the National List of Hydric Soils .................................................... 220 Use of WSS.......................................................................................................................... 221 Field Sampling for the Identification of Hydric Soils ............................................................ 221 Introduction ............................................................................................................................ 221 Site Selection ........................................................................................................................... 224 Items Required for Describing Hydric Soils .......................................................................225 Digging a Soil Pit ....................................................................................................................225 Writing a Soil Description for the Identification of Hydric Soils .................................... 226 Selecting and Measuring Soil Layers .............................................................................. 226 Describing Soil Color ........................................................................................................227 Aspects of Soil Color .........................................................................................................227 Color Patterns in Soil ........................................................................................................228 Soil Textures for Hydric Soils Identification ..................................................................230 Determining Soil Texture in the Field ............................................................................. 231 Other Important Soil Features and Concepts for Identifying Hydric Soils ........................234 Morphological Expressions of Reduced Conditions .........................................................234