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Application of Methods and Models

for Prediction of Land Surface

Erosion and Yield

March 1995

Approved for Public Release. Distribution Unlimited. TD-36

US Army Corps

of EngineersHydrologic Engineering Center

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Standard Form 298(Rev. 8/98)Prescribed by ANSI Std. Z39-18

REPORT DOCUMENTATION PAGE Form Approved OMB No. 0704-0188

The public reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searchingexisting data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Send comments regarding thisburden estimate or any other aspect of this collection of information, including suggestions for reducing this burden, to the Department of Defense, ExecutiveServices and Communications Directorate (0704-0188). Respondents should be aware that notwithstanding any other provision of law, no person shall besubject to any penalty for failing to comply with a collection of information if it does not display a currently valid OMB control number.PLEASE DO NOT RETURN YOUR FORM TO THE ABOVE ORGANIZATION.

1. REPORT DATE(DD-MM-YYYY)March 1995

2. REPORT TYPETraining Document

3. DATES COVERED (From - To)

5a. CONTRACT NUMBER

5b. GRANT NUMBER

4. TITLE AND SUBTITLEApplication of Methods and Models for Prediction of Land Surface

Erosion and Yield

5c. PROGRAM ELEMENT NUMBER

5d. PROJECT NUMBER

5e. TASK NUMBER

6. AUTHOR(S)

5F. WORK UNIT NUMBER

7. PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES)US Army Corps of Engineers

Institute for Water Resources

Hydrologic Engineering Center (HEC)609 Second Street

Davis, CA 95616-4687

8. PERFORMING ORGANIZATION REPORT NUMBER

TD-36

10. SPONSOR/ MONITOR'S ACRONYM(S)9. SPONSORING/MONITORING AGENCY NAME(S) AND ADDRESS(ES)

11. SPONSOR/ MONITOR'S REPORT NUMBER(S)

12. DISTRIBUTION / AVAILABILITY STATEMENTApproved for public release; distribution is unlimited.

13. SUPPLEMENTARY NOTES

.

14. ABSTRACTThis document provides guidance on methods to estimate watershed sediment yield. It also reviews procedures forestimating the inflowing sediment load and gradation for use in sediment assessments or mobile boundary hydraulic and

sedimentation studies. The focus is on development of data for HEC-6. HEC-6 is a numerical model that can be used for

the prediction of sediment movement and deposition in rivers and reservoirs. References are provided throughout thisdocument for sources of information and data. Readers are encouraged to check these sources. This document was

prepared by Northwest Hydraulic Consultants, Incorporated. D. Michael Gee, Training Division, HEC, was the project

manager and provided assistance in preparing this document. Josie Garcia-Moreno, Training Division, HEC, performed

final edit and formatted document. Vern Bonner was Chief, Training Division, and Darryl Davis was the Director of HECduring the preparation of this report.

15. SUBJECT TERMSwatershed sediment yield, sediment load, HEC-6

16. SECURITY CLASSIFICATION OF: 19a. NAME OF RESPONSIBLE PERSON

a. REPORT

Ub. ABSTRACT

Uc. THIS PAGE

U

17. LIMITATIONOFABSTRACT

UU

18. NUMBEROFPAGES

132 19b. TELEPHONE NUMBER

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Application of Methods andModels for Prediction of LandSurface Erosion and Yield

March 1995

US Army Corps of EngineersInstitute for Water ResourcesHydrologic Engineering Center609 Second StreetDavis, CA 95616

(530) 756-1104(530) 756-8250 FAXwww.hec.usace.army.mil TD-36

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