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Station name |
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Date and time |
Water Level/Flow Parameters |
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Streamflow, ft³/s (165 sites) |
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Gage height, ft (213 sites) |
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Lake or reservoir water surface elevation above NGVD 1929, ft (7 sites) |
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Lake or reservoir water surface elevation above NAVD 1988, ft (1 sites) |
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Stream water level elevation above NAVD 1988, in ft (16 sites) |
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Depth to water level, ft below land surface (166 sites) |
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Streamflow, tidally filtered, ft³/s (3 sites) |
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Mean Stream velocity from field sensor, ft/s (1 sites) |
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Tidal elevation, NOS-averaged, NAVD88, ft (32 sites) |
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Long-term mean daily streamflow, ft³/s |
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Long-term median daily streamflow, ft³/s |
Water Quality Parameters |
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Temperature, water, °C (186 sites) |
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Oxidation reduction potential, mV (1 sites) |
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Specific conductance, water, unfiltered, µS/cm at 25 °C (69 sites) |
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Salinity, water, unfiltered, mg/mL at 25 °C (1 sites) |
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Dissolved oxygen, water, unfiltered, mg/L (28 sites) |
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Dissolved oxygen, water, unfiltered, %saturation (22 sites) |
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pH, water, unfiltered, field, standard units (27 sites) |
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Chlorophyll a, total, in situ, fluorescence excitation at 370, 470, 525, 570, 590, 610 nm, fluorescence emission at 700 nm with correction for CDOM, µg/L (1 sites) |
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Colored dissolved organic matter (CDOM), water, in situ, single band excitation, fluorescence emission, ppb QSE (1 sites) |
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Chlorophyll a, estimated, water, in-situ, in-vivo fluorescence, RFU (21 sites) |
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Chlorophyll a, estimated, water, in-situ, in-vivo fluorescence, concentration estimated from reference material, µg/L (1 sites) |
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Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, ug/L (1 sites) |
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Phycocyanins (cyanobacteria), water, in situ, fluorometric method, excitation at 590 +-15 nm, emission at 685 +-20 nm, µg/L (1 sites) |
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Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, relative fluorescence units, RFU (1 sites) |
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Phycocyanins (cyanobacteria), water, in situ, fluorometric method, excitation at 590 +-15 nm, emission at 685 +-20 nm, relative fluorescence units, RFU (19 sites) |
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Colored dissolved organic matter (CDOM), water, in situ, fluorometric method, relative fluorescence units (RFU) (1 sites) |
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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +/-2.5 degrees, FNU (27 sites) |
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Salinity, water, unfiltered, practical salinity units at 25 °C (2 sites) |
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Nitrate plus nitrite, water, in situ, mg/L as N (8 sites) |
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Dissolved organic carbon, water, in situ, estimated, mg/L (1 sites) |