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Published byPrimrose Jackson Modified over 9 years ago
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Along-Estuary Spatial Variability and Driving Forces Group 3 - Question A (Christine Cass, Alejandra Sanchez, Marianne Corriveau, Hiromu Ishiyama, Genki Terauchi, Dubrava Krievskaya, Anna Malek, Sung Yong Kim)
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Study Site - Yaquina Bay Cruise 2 - Aug 20, 2013 (Ebb Tide)Cruise 3 - Aug 21, 2013 (Flood Tide)
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Methods underway flow- through CTDADCP Equipment:
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Temperature (ºC) EbbFlood Temperature (ºC)
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Salinity (PSU) EbbFlood
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Dissolved Oxygen (ml/l) EbbFlood
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Chlorophyll (mg/m 3 ) EbbFlood
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Outer Bay Trawl Station: Estuarine Species: - English Sole - Ling cod - Pacific staghorn sculpin - Buffalo sculpin - Penpoint gunnel Oceanic Species: - Sand Dab, - Sand Lance Upper Bay Trawl Station: Estuarine Species: - English Sole - Ling cod - Pacific staghorn sculpin - Buffalo sculpin - Penpoint gunnel Oceanic Species: - NONE! Upper Trophic Level Trends
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Tides & Currents
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Freshwater Influence
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What’s Happening Offshore: Sea Surface Currents NANOOS, High Frequency Radar http://nvs.nanoos.org/HFRadar
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What’s Happening Offshore? Upwelling signature ●High chl ●Low temp ●High salinity ●Low DO (According to Jane)
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What’s Happening Offshore? Satellite derived Chl-a 4 days composites Aug 19-22 47.5 N 41 N 127 W123 W ug/L
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Back to the Question: What is the along-estuary spatial variability in physical, biological and chemical properties and what are the driving forces that create these variations? ●Mouth of Bay: ○ Higher S, Chl ○ Lower T, DO ●Major forces? ○ Tidal ○ Offshore processes (wind-driven upwelling)
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Thank you!!! Do you have any question s?
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