SOLUTION OF NON-STEADY SOIL MOISTURE TRANSFER

Abstract

A mathematical model of soil moisture transfer, including assumptions and limitations, is described. The model is a second order, nonlinear partial differential equation whose solution represents non-steady, one-dimensional soil moisture transfer. A number of solutions, for various boundary and initial condition, obtained by numerical integration on a digital computer are described. These solutions, in conjunction with laboratory experiments with soil moisture extractors can be used to deter ine the water transmission characteristics of soil. (Author)

Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1962
Accession Number
AD0286044

Entities

People

  • William D. Ohmstede

Organizations

  • Army Research Office

Tags

DTIC Thesaurus Topics

  • Boundaries
  • Computers
  • Differential Equations
  • Digital Computers
  • Equations
  • Mathematical Analysis
  • Mathematical Models
  • Mathematics
  • Models
  • Moisture
  • Numerical Integration
  • Partial Differential Equations

Readers

  • Agricultural Chemistry/Soil Science
  • Fluid Dynamics.