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Lower Calaveras River Water Temperature Study Tara Dougherty - - PowerPoint PPT Presentation
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
University of the Pacific, Stockton, CA
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Outline
- Objectives
- Field equipment and sites
- Preliminary results
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
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
University of the Pacific, Stockton, CA
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Field Study Area
Maps from www.calaverasriver.com
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
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
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
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 )
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
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
University of the Pacific, Stockton, CA
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Future Work
- Measure temperatures at intermediate
(more) sites
- Develop a preliminary temperature