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What is RUSLE2 ? R evised U niversal S oil L oss E quation, Version 2. Estimates soil loss from rill and interrill erosion caused by rainfall and overland flow. RUSLE2. Major revision of RUSLE1 New graphical interface Most RUSLE1 relationships revised. RUSLE2 Features.

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what is rusle2 r evised u niversal s oil l oss e quation version 2
What is RUSLE2 ?Revised Universal Soil Loss Equation, Version 2

Estimates soil loss from rill and interrill erosion caused by rainfall and overland flow

rusle2
RUSLE2
  • Major revision of RUSLE1
  • New graphical interface
  • Most RUSLE1 relationships revised
rusle2 features
RUSLE2 Features
  • Daily calculation of time-varying factors

(r, k, ls, c, p)

  • Developed & tested by experienced and nationally recognized erosion scientists and conservationists.
rusle2 features4
RUSLE2 Features
  • Intended to describe main effects
  • Intended to be used as a guide for conservation planning
  • Intended to represent trends demonstrated in field data

Not intended to be a precise estimator

of soil loss or residue cover

validation of rusle2
Validation of RUSLE2
  • 10,000 plot-years of data from natural runoff plots
  • 2000 plot-years of rainfall simulator data
  • Proven by more than 4 decades of worldwide use by its predecessors, USLE and RUSLE1
rusle2 uses
RUSLE2 Uses
  • Conservation Planning
  • Inventories
  • Estimating Sediment Production
applicable land uses
Applicable Land Uses

Cropland Grazing Land

Disturbed forestland Construction

Mined land Reclaimed land

Landfills Military land

Other areas where surface overland flow occurs because rainfall exceeds infiltration

rusle28
RUSLE2

Most powerful and easy-to-use

erosion prediction tool available

for use in conservation planning

at the field office level

why implement rusle2

Why implement RUSLE2?

In 1998, NRCS made decision to have new erosion prediction technology in place in time for 2002 Farm Bill

rusle2 implementation
RUSLE2 Implementation
  • National Instruction for implementation released in OCT 2002
  • Application of RUSLE2 for USDA Farm Programs similar to RUSLE1
rusle2 implementation defined
RUSLE2 Implementation Defined

Full implementation means –

  • Program loaded on field office computers
  • Databases loaded
  • Trained field office staff
  • Using for conservation planning
implementation timeline
Implementation Timeline
  • 1998-1999: Develop Technology for testing
  • 2000: Testing by NRCS
  • 2001: Develop supporting Databases

Train State erosion specialists

  • 2002-2003: Implementation in all field offices where erosion is concern
supporting databases
Supporting Databases

Developed at National Level –

Crops Residues,

Field Operations, Climate

Soils Support Practices

Developed at State Office Level –

Crop Management Scenarios

Developed at Field Office Level -

(None)

field office user
Field Office User

Selects –

  • Location (climate)
  • Soil map unit component
  • Slope length and steepness
  • Crop Management (Use Rotation Builder to develop rotation)
  • Supporting Practices
training field office staff
Training Field Office Staff

Tools Available -

  • Tutorial
  • PowerPoint Presentations
  • User’s Guides

Hands-On Training Time

  • One (1) day