| Study ID | MarineWater |
| Study Name | Long-term marine water column monitoring 1999-present. (Transitional data that has not yet been through a documented Data Entry Review process can be found in EIM Study ID “MarineWater-P”). |
| EIM Data Entry Review Status | Reviewed |
| Study Type | Routine ambient monitoring |
| Study Purpose | Assess status and trends of marine water quality. |
| Field Collection Date Range | 1/5/1999 - 12/13/2017 |
| Data First/Last Loaded Date |  |
| Data Last Updated Date | |
| Ecology Program or Other Responsible Entity | Ecy Environmental Assessment Program |
| Ecology Contact | Julianne Ruffner |
| Ecology Monitoring Program | Marine Water Column Monitoring |
| Submitting Organization | WA Department of Ecology |
| Study QA Planning Level | LEVEL 4: Approved QAPP or SAP. |
| Study QA Project Plan Description | |
| Study QA Assessment Level | Level 3: Data Verified and Assessed for Usability |
| Study Result Description | The quality of pH sensor data precision and accuracy do not meet our current understanding and requirements to measure pH status and trends and biological impacts. We carefully conducted quality control of the pH sensor data to the best technical practices the pH sensor can offer and with understanding of its limitations.
The quality of PAR sensor data rely on ambient downwelling and upwelling photosynthetically available radiation in the water column. The data have not been corrected for confounding environmental factors such as varying sun angle during sampling, changes in cloud cover, reflections of the CTD frame, and shadows of the airplane near the surface. |
| Study Comment | Project was partially funded by the Northwest Association of Networked Ocean Observing Systems (NANOOS). For data not in EIM, please submit a public data request at https://ecologywa.govqa.us/WEBAPP/_rs/(S(d2bpv1dthkol4mpactzvg02m))/supporthome.aspx. |
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