BRAE 236 Irrigation Eff and DU 04

BRAE 236 Irrigation Eff and DU 04 - 1 Distribution...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 1 Distribution Uniformity and Irrigation Efficiency ITRC BRAE/Cal Poly Basic Irrigation Performance Term Distribution Uniformity Measure of how uniformly the water is •Measure of how uniformly the water is distributed throughout a field •Always less than 1.00 •Always a decimal value ITRC BRAE/Cal Poly •0.80 is a typical DU 2 DU POOR UNIFORMITY (NEVER PERFECT) GOOD UNIFORMITY (NEVER PERFECT) GOOD UNIFORMITY GOOD UNIFORMITY Depth of Water ITRC BRAE/Cal Poly Depth of Water Depth of Water Depth of Water Depth of Water Depth of Water Efficiency Measure of water beneficially used in the Basic Irrigation Performance Term •Measure of water beneficially used in the root zone compared to the water applied •Always less than 100% •Always a percentage value ITRC BRAE/Cal Poly •If perfect scheduling, then Efficiency = DU * 100 3 Efficiency Efficient Efficient Depth of Water Depth of Water Depth of Water Depth of Water Not Efficient ITRC BRAE/Cal Poly Depth of Water Destinations of Applied Irrigation Water • part goes into the ground – infiltration • part does not go into the ground ITRC BRAE/Cal Poly – evaporation – spray losses – uncollected runoff 4...
View Full Document

This note was uploaded on 11/12/2011 for the course BRAE 236 taught by Professor Styles during the Spring '08 term at Cal Poly.

Page1 / 13

BRAE 236 Irrigation Eff and DU 04 - 1 Distribution...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online