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Temperature Data Loggers Deployedin the Middle Fork John Day IMW

10/7/2014

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A total of 95 temperature data loggers were deployed in the Middle Fork John Day River IMW area in 2014.  The North Fork John Day Watershed Council (NFJDWC) (http://nfjdwc.org/) deploys and maintains 43 of the loggers and the remainder are deployed and maintained by various IMW partners, including the Warm Springs Tribe and The Nature Conservancy.  All temperature logger data is shared with and managed by the NFJDWC.

Water temperature is measured every hour from approximately late April through November. The goal of collecting water temperature data is to identify tributaries that are water temperature limited and may be candidates for restoration activities. 

In addition, the NFJDWC deploys 10 “level loggers” which, in addition to measuring temperature,  measure water pressure above the logger.  Water pressure measurements, coupled with flow measurements taken at each “level logger” site, and further analysis, allow the NFJDWC to identify how each tributary contributes to the river system in both volume and water quality/temperature.

Picture
Level Logger Setup
Picture
Temperature Logger Site
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  • Welcome
  • News
  • About Us
    • Frequently Asked Questions
    • About the IMW
    • Visit
    • Video Gallery
  • Publications and Reports
  • Restoring the River
  • Tracking Restoration Progress
    • Tracking Restoration
    • Current Conditions