SAC-SMA
Presented by
Dr. Fritz Fiedler
at the
COMET Hydrometeorology 00-1 Course

10/26/99

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Table of Contents

General Concepts

PPT Slide

Sacramento Soil Moisture Accounting Model

Sacramento Model Components

Soil Tension and Free Water

Sacramento Soil Moisture Accounting Model

Sacramento Model Structure

Model Parameters

State Variables

Percolation Rate Under Saturated Conditions

Percolation Rate Continued...

Percolation Curve

Percolation Characteristics

Effect of Soil-Moisture Parameters on Model Response

Effect of Soil-Moisture Parameters on Model Response (continued)

Volume Effects

PPT Slide

PPT Slide

Hydrograph Produced Mainly by Surface Runoff (Runoff Breakdown: Surface 64%, Interflow 15%, Supplemental 21%)

Hydrograph Produced by Mixed Runoff (Runoff Breakdown: Surface 27%, Interflow 33%, Supplemental 40%)

Hydrograph Containing No Surface Runoff (Runoff Breakdown: Interflow 17%, Supplemental 83%)

Author: Fritz Fiedler

Email: frf@riverside.com

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