WSP06833

• File Number: 8276.855
• Description: Grand Valley Unit - Colorado River Basin Salinity Project
• State: CO
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 1/1/1974
• Title: The Grand Valley - Control of Salinity in Irrigation Return Flows
• Water Supply Pro - Doc Type: Publication

Weighing Iysimeter provides evapotranspiration data to assess water balance and indicate
amounts of irrigation water to apply.

WH~T SHIFTS In S~L T B~L~nCE ~~E BEine STUClIECl1
~IU I1DDED TO ~OIL

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Inset

shows

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Iysimeter

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installed.

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~I1LT REMOLJE:D FROM ~OIL

Measuremen t

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of salinity

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status is

accomplished

with salt

sensors

(see inset)

placed at various soil depths. The measurements are made by the equipment shown here.

EXISTING PRACTICES

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IMPROVED PRACTICES

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