11. Use of GUEST Technology to Parameterize a Physically-Based Model for Assessing Soil Erodibility and Evaluating Conservation Practices in Tropical Steeplands

  1. R. P. C. Morgan6 and
  2. M. A. Nearing7
  1. C. W. Rose1,
  2. B. Yu2,
  3. R. K. Misra3,
  4. K. Coughlan4 and
  5. B. Fentie5

Published Online: 5 JAN 2011

DOI: 10.1002/9781444328455.ch11

Handbook of Erosion Modelling

Handbook of Erosion Modelling

How to Cite

Rose, C. W., Yu, B., Misra, R. K., Coughlan, K. and Fentie, B. (2010) Use of GUEST Technology to Parameterize a Physically-Based Model for Assessing Soil Erodibility and Evaluating Conservation Practices in Tropical Steeplands, in Handbook of Erosion Modelling (eds R. P. C. Morgan and M. A. Nearing), John Wiley & Sons, Ltd, Chichester, UK. doi: 10.1002/9781444328455.ch11

Editor Information

  1. 6

    National Soil Resources Institute, Cranfield University, UK

  2. 7

    USDA-ARS, Southwest Watershed Research Center, USA

Author Information

  1. 1

    The Griffith School of Environment, Griffith University, Nathan Campus, Brisbane, Queensland, Australia 4111

  2. 2

    School of Engineering, Griffith University, Nathan Campus, Brisbane, Queensland, Australia 4111

  3. 3

    Faculty of Engineering and Surveying, University of Southern Queensland, Too woomba, Queensland, Australia 4350

  4. 4

    P O Box 596, Annerley, Queensland, Australia 4103

  5. 5

    Queensland Department of Environ ment and Resource Management, 80 Meiers Road, Indooroopilly, Queensland, Australia 4068

Publication History

  1. Published Online: 5 JAN 2011
  2. Published Print: 22 DEC 2010

ISBN Information

Print ISBN: 9781405190107

Online ISBN: 9781444328455

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Keywords:

  • GUEST technology use, parameterizing a physically-based model - assessing soil erodibility and evaluating conservation practices in tropical steeplands;
  • Griffith University Erosion System Template (GUEST) - series of computer-implemented mathematical models of soil erosion;
  • Universal Soil Loss Equation (USLE) - elusive soil characteristic sought in K factor;
  • Australian Centre for International Agricultural Research (ACIAR) and their funding;
  • well-documented program WEPP (Water Erosion Prediction Project) - using information readily available in the US;
  • soil erosion investigations, a newly designed facility - Griffith University Tilting Flume Simulated Rainfall Facility (or GUTSR);
  • theory outline, for Type B version of GUEST - physically meaningful erodibility parameter;
  • experimental methods, commonly used in GUEST-based projects;
  • ACIAR projects, body of data on runoff rate - largest body of data on plot runoff rate, measured at one- minute time intervals with infiltration-excess overland flow;
  • building on GUEST approach - addressing spatial complexity of natural landscapes

Summary

This chapter contains sections titled:

  • Introduction

  • Short History of the Development of GUEST

  • Theory Outline for GUEST (Type B)

  • Subsequent Development of GUEST

  • Experimental Methods Commonly Used in GUEST- Based Projects

  • Results of Some Field Projects Using GUEST Technology

  • Soil Erosion Research at IBSRAM- ASIALAND Sites

  • Concluding Comments

  • Symbols List

  • References