Water sampling

Methods of collecting a representative part of a body of water for testing in controlled conditions.
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Suspended sediment concentrations from water samples collected in San Pablo Bay and Grizzly Bay, California, 2020

Water samples were collected in San Pablo Bay and Grizzly Bay on five days from January through June 2020. The water samples were collected from a small vessel near pre-established USGS instrument moorings using a peristaltic pump or a Niskin bottle. Data are provided in a comma-delimited values spreadsheet.

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Suspended sediment concentrations from water samples collected in San Pablo Bay and Grizzly Bay , California, 2019

Water samples were collected in San Pablo Bay and Grizzly Bay on five days from June through August 2019. The water samples were collected near pre-established USGS instrument moorings with a peristaltic pump or via a Niskin bottle, deployed off of a small vessel. Data are provided in a comma-delimited values spreadsheet.

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Profiles of salinity, temperature, depth, turbidity, and distributions of particle size in suspension collected during four 0.25-day periods in south San Francisco Bay, California, summer 2020

Profiles of salinity, temperature, turbidity, and particle size distribution were collected by the U.S. Geological Survey (USGS) Pacific Coastal and Marine Science Center at two locations in south San Francisco Bay. Data were collected at depth intervals ranging between 0.5 and 2 m (depending on total water depth); sensors remained at each depth for 1 minute. Each profile was collected from surface to bed, and the near-surface region was sampled again at the end of the profile to check steady-state ...

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Total suspended solids and particle size distributions from grab samples collected during four 0.25-day profiling periods in south San Francisco Bay, California, summer 2020

Water samples were collected in south San Francisco Bay on four days in July 2020. The water samples were collected near pre-established USGS instrument moorings with a Niskin bottle, lowered from the R/V Snavely. Data are provided in comma-delimited values spreadsheets.

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Collections inventory for the U.S. Geological Survey Woods Hole Coastal and Marine Science Center Samples Repository

Since 2002, the Woods Hole Coastal and Marine Science Center’s Samples Repository supports research by providing secure storage for geological, biological, and geochemical samples; maintaining organization and an active inventory of these sample collections; and providing access to these collections for study and reuse. This collections inventory has been compiled, organized, and released as a searchable database to provide researchers and the general public with means to discover and request scientific ...

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