Lower Calaveras River Water Temperature Study Tara Dougherty - - PowerPoint PPT Presentation

lower calaveras river water temperature study
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Lower Calaveras River Water Temperature Study Tara Dougherty - - PowerPoint PPT Presentation

Lower Calaveras River Water Temperature Study Tara Dougherty Camilla Saviz School of Engineering & Computer Science University of the Pacific Stockton, CA 1 Outline Objectives Field equipment and sites Preliminary results


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Lower Calaveras River Water Temperature Study

Tara Dougherty Camilla Saviz School of Engineering & Computer Science

University of the Pacific

Stockton, CA

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University of the Pacific, Stockton, CA

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Outline

  • Objectives
  • Field equipment and sites
  • Preliminary results
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University of the Pacific, Stockton, CA

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Objectives

  • Develop and implement a temperature

monitoring study for the lower Calaveras River

  • Analyze longitudinal temperature variation

– From New Hogan to ~West Lane

  • Involve an undergraduate

student in research

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University of the Pacific, Stockton, CA

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Field Equipment

  • Onset HOBO Water Temp Pro loggers

– Water temperature measured every 5 mins – Continuously logs and stores data for up to 75 days – Deployed using rebar with PVC protective casing

  • Marsh-McBirney velocity

meter

  • Garmin eTrex GPS unit
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University of the Pacific, Stockton, CA

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Field Study Area

Maps from www.calaverasriver.com

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University of the Pacific, Stockton, CA

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Field Study Sites

Bellota New Hogan Reservoir I-5 HWY 99 San Joaquin River Old Calaveras River Calaveras River New Hogan (RM 44) Mormon Slough Jenny Lind (RM 37) Escalon- Bellota Rd. (RM 22) Shelton Rd. (RM 31) Mormon Slough at Milton Rd. (RM 18) West Lane RR Bridge (RM 5) HWY 4

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University of the Pacific, Stockton, CA

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Longitudinal Temperature Profiles

Calaveras River - Longitudinal Temperature

50 55 60 65 70 75 80 85 07/02/05 07/06/05 07/11/05 07/15/05 07/20/05 07/24/05 07/28/05 08/02/05 08/06/05 08/10/05 08/15/05 08/19/05 08/24/05 08/28/05 09/01/05 09/06/05 09/10/05 Water Temperature (deg F) .

NHG Jenny Lind Shelton Rd Bellota

  • Morm. Sl. @

Milton

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University of the Pacific, Stockton, CA

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Comparison of Measured Temperatures

Calaveras River at Shelton Road (UOP)

55 57 59 61 63 65 07/02/05 07/05/05 07/09/05 07/12/05 07/16/05 07/19/05 07/22/05 07/26/05 07/29/05 08/02/05 08/05/05 08/08/05 08/12/05 08/15/05 08/19/05 08/22/05 08/25/05 08/29/05 09/01/05 09/05/05 09/08/05 W ater Tem perature (deg F)

Calaveras River at Shelton Road (SPC)

55 57 59 61 63 65 W ater T em p eratu re (d eg F ) 7/19/05 7/02/05 8/5/05 8/22/05 9/8/05

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University of the Pacific, Stockton, CA

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Comparison of Measured Temperatures

Calaveras River at New Hogan (SPC)

50 51 52 53 54 55 W ater T em p eratu re (d eg F ) 7/16/05 6/28/05 8/3/05 8/21/05 9/8/05

Calaveras River at New Hogan (UOP)

50 51 52 53 54 55 06/30/05 07/04/05 07/08/05 07/12/05 07/16/05 07/21/05 07/25/05 07/29/05 08/02/05 08/06/05 08/11/05 08/15/05 08/19/05 08/23/05 08/27/05 09/01/05 09/05/05 09/09/05 W ater T em perature (deg F )

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University of the Pacific, Stockton, CA

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Longitudinal Temperature Profiles

Calaveras River - Longitudinal Temperature

50 55 60 65 70 75 80 85 07/02/05 07/06/05 07/11/05 07/15/05 07/20/05 07/24/05 07/28/05 08/02/05 08/06/05 08/10/05 08/15/05 08/19/05 08/24/05 08/28/05 09/01/05 09/06/05 09/10/05 Water Temperature (deg F)

NHG Jenny Lind Shelton Rd Bellota

  • Morm. Sl. @

Milton

18 22 31 37 44 RM 78.0 Mormon Sl. @ Milton 68.9 Bellota 60.6 Shelton Rd 58.6 Jenny Lind 53.5 NHG Average Temp (°F) Site

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University of the Pacific, Stockton, CA

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Longitudinal Temperature Profiles

Calaveras River Temperatures, July 2-6, 2005

50 55 60 65 70 75 Water Temperature (deg (F) NHG Jenny Lind Shelton Rd Bellota 7/2/05 Noon 7/3/05 Noon 7/4/05 Noon 7/5/05 Noon 7/6/05 Noon

22 31 37 44 RM 2.9-3.2 Bellota 5.1-5.8 Shelton Rd 5.2-6.0 Jenny Lind 1.3-1.4 NHG Maximum ∆T (°F) Site

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University of the Pacific, Stockton, CA

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Future Work

  • Measure temperatures at intermediate

(more) sites

  • Develop a preliminary temperature

model for the Calaveras River to examine flow rate-temperature relationships