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Geo-referenced two-dimensional velocity profiles collected at a single cross-section in the upper Sacramento River Deep Water Ship Channel. Data were collected over a range of river conditions, collected hourly for 30 hours, with four 30-hours studies collected over four consecutive weeks in July and August 2019. Data are available as .csv files contained in the attached .zip file.
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Here we archive data collected during a nitrogen addition field experiment in the Sacramento River Deep Water Ship Channel. Calcium nitrate was added on 8 dates to a segment of the ship channel centered at Navigation Light 74. Prior to and following the nutrient additions, we collected water samples and sensor-based measurements at 7 sites between Navigation Light 70 and 76. Water samples for nutrient analyses were collected in 500 mL High Density Poly Ethylene (HDPE) amber containers from 1 m and 8 m depths using a peristaltic pump. Whole water samples for phytoplankton analysis were collected from 1 m depth in 500 mL clear HDPE containers and immediately preserved with 20 mL of Lugol’s iodine solution (Lugol’s,...
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Water temperature, conductivity, and dissolved oxygen data collected at 5 locations in the Sacramento River Deep Water Ship Channel. Each of the 5 stations had a string suspended from a buoy, with instruments located at consistent depths below the water surface. Data were collected at 5- or 10-minute intervals from July 2, 2019 to September 18, 2019.
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Conductivity-temperature-depth (CTD) measurements made with a Sontek CastAway CTD instrument, collected in the Sacramento River Deep Water Ship Channel in July and August 2019. Measurements were collected at 5 points on the cross-section at Channel Marker 73, each hour for 30 hours, with four 30-hours studies collected over four consecutive weeks.
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Longitudinal profiles of surface water chemistry were made using a Sea-Bird SUNA optical nitrate sensor and a YSI EXO2 water quality sonde. Water from 0.1 m depth was pumped to sensors configured with flow cells from a moving boat, and data were georeferenced with a Garmin GPS and compiled on a Campbell Sci datalogger. Details on the method can be found in Crawford et al. 2015 and Downing et al. 2016. Data were collected between July 10 and Aug 26, 2019 as part of an ecosystem experiment. Two longitudinal transects were made each day. In the morning, the boat traveled southward from the Sacramento Locks to Navigation Light 70. The afternoon transects proceeded while traveling northward. Each point has also been...


    map background search result map search result map Conductivity-Temperature-Depth (CTD) Profiles in the Sacramento River Deep Water Ship Channel Velocity Mapping using an unmanned surface vessel acoustic Doppler current profiler in the Sacramento River Deep Water Ship Channel in July and August 2019 Longitudinal profiles of surface water chemistry in the Sacramento River Deep Water Ship Channel Water temperature, conductivity, and dissolved oxygen data from 5 stations in the Sacramento River Deep Water Ship Channel Water chemistry, vertical profiles, phytoplankton and zooplankton counts, and metabolism calculations in the Sacramento River Deep Water Ship Channel 2019 Water temperature, conductivity, and dissolved oxygen data from 5 stations in the Sacramento River Deep Water Ship Channel Water chemistry, vertical profiles, phytoplankton and zooplankton counts, and metabolism calculations in the Sacramento River Deep Water Ship Channel 2019 Longitudinal profiles of surface water chemistry in the Sacramento River Deep Water Ship Channel