Freshwater CTD Data: Lake Washington Water Quality Profiles
Updated 1mo ago
Available on 1 platform
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Description
Profiles of temperature, conductivity, salinity, dissolved oxygen, chlorophyll fluorescence, beam transmission, and surface and subsurface PAR collected monthly to twice monthly on Lake Washington using a SeaBird CTD. The data is hosted by data.kingcounty.gov and was last updated on 2026-05-20. The dataset includes columns for CollectDateTime, Instrument, CollectDate, ParmDisplayName, Value, Depth, and Locator.
Use Cases
Modeling thermal stratification and mixing events using Depth and Value for temperature over time.
Analyzing seasonal phytoplankton dynamics using Value for chlorophyll fluorescence and CollectDate.
Calibrating water quality sensors by comparing Value for conductivity and salinity across different Instruments.
Studying light attenuation in the water column using Value for PAR and Depth.
Strengths
Data collection follows a consistent protocol using a SeaBird CTD instrument.
Includes multiple water quality parameters (e.g., temperature, dissolved oxygen, chlorophyll) in a single profile.
Temporal resolution is monthly to twice monthly, allowing for seasonal analysis.
Limitations
Row count and total dataset size are unknown, which may limit suitability assessment.
Description metadata is limited; actual data quality requires manual inspection after download.
Provenance
Source
data.kingcounty.gov
Collection Method
Collected via SeaBird CTD casts on Lake Washington.
Freshness
Last updated 2026-05-20 19:35:51; freshness should be verified.
Geography
Lake Washington
License is unknown; terms of use should be verified before application.