Water Instrumentation Provides Insight for Ecological Research

Multiple scientific studies have been conducted on the water, organisms and food webs in Calder Lake over the past 50 years. Calder Lake, a natural 10-acre mesotrophic lake, is located on the property of the Louis Calder Center, a biological field station of Fordham University in New York. Calder-Lake-with-Buoy.jpg

To further its research, the Louis Calder Center commissioned YSI and WaterLOG, brands of Xylem Analytics, to install high-tech monitoring equipment in a research site.

The lake monitoring site, stationed in the southwest corner of Calder Lake, is comprised of a buoy and an off-shore system. The site instruments measure temperature, conductivity, pH, dissolved oxygen, turbidity, depth and total algae.

“This site is a unique situation for WaterLOG products, because of the amount of communication between the buoy and shore station sensors,” explained Barrett Gaylord, Sales Representative for Xylem Analytics.

The buoy contains a YSI EXO Sonde measuring water quality data, and half of a WaterLOG SDI-12 line-of-sight radio pair. Located on shore is a WaterLOG Storm 3 data logger and the other half of the SDI-12 radio pair connected to a directional antenna.

“Normally the data logger would be placed in the buoy, but the cell coverage was weak. To ensure the Center could receive accurate data, we placed the data logger in the shore enclosure and used a directional antenna to receive signal through the trees,” added Gaylord.

This set-up allows data to transmit from water to shore, and from shore to the cloud-hosted data site Storm Central, where real-time data is available 24/7. Scientists at the Louis Calder Center chose to display this site data over the public Storm Central network.

“We went with the Storm system because the data can be accessed by anyone on the internet through our Storm Central public account—which is really nice” said Kam Truhn, Technician at the Louis Calder Center.

“Scientists can view our data from anywhere in the world and use it in their research,” he added.

 

 

Additional Blog Posts of Interest:

How to Identify the Best Data Logger in 6 Easy Steps

Top 5 Challenges to Collecting Water Quality Data - Challenge 1

Top 5 Challenges to Collecting Water Quality Data - Challenge 2

10 Tips to Prevent Biofouling on Water Quality Instruments

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