Accession Number : ADA314006

Title :   Preliminary Investigations of Hydric Soil Hydrology and Morphology in the United States,

Descriptive Note : Final rept.,

Corporate Author : ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS

Personal Author(s) : Wakeley, James S. ; Sprecher, Steven W. ; Lynn, Warren C.

PDF Url : ADA314006

Report Date : AUG 1996

Pagination or Media Count : 174

Abstract : Preliminary results based on 2 years of monitoring at most sites indicate that time lags between saturation and iron reduction range from several days to several weeks, depending upon temperature and other factors. Growing seasons based on measured soil temperatures often differed considerably from approximations based on air temperatures and soil temperature regime regions. Due to annual variability, longer monitoring periods are needed to identify reliable hydric soil indicators.

Descriptors :   *HYDROLOGY, *SOILS, *SOIL POLLUTION, *GROWTH(PHYSIOLOGY), *MORPHOLOGY(BIOLOGY), TEMPERATURE, UNITED STATES, SYNTHESIS(CHEMISTRY), ATMOSPHERIC TEMPERATURE, REDUCTION, VARIATIONS, IRON, WATER POLLUTION, INDICATORS, SEASONS.

Subject Categories : Ecology
      Soil Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE