The water quality conditions are monitored using Yellow Springs Instruments Inc (YSI) sondes, which are capable of monitoring multiple parameters with a single device. Due to the nature of the marine environment and the instrument sensors, the sondes are deployed for only 4-8 weeks before they need to be taken in for cleaning and recalibration of sensors. When a sonde is removed from the water for cleaning, recalibration, and data acquisition it is usually replaced with another. To prevent any possibility of ice damage to equipment, data is generally recorded from March/April through November/December.
Uncertainty and potential for error can be associated with environmental monitoring data. Data users are cautioned to consider carefully the provisional nature of the information before using it for decisions that concern personal or public safety or the conduct of business that involves substantial monetary or operational consequences. No warranty, express or implied, is given as to the accuracy, reliability, utility or completeness of the data hosted on this datacenter, and this organization shall not be held liable for improper or incorrect use of the data described or information contained on these pages. Neither Cape Cod Cooperative Extension, Barnstable County, nor SEMAC shall be held liable for any reason related to the accuracy or fitness of the provided data. A comprehensive maintenance program is followed to keep the monitoring systems operating in optimum condition, however, factors such as biological growth, sedimentation and sensor malfunctions can lead to inaccurate measurements. Real-time and recent data has not undergone a QA/QC review process and therefore may not be an accurate representation of actual environmental conditions.