YSI 6579 Hemisphere pH Sensor
- YSI 6579 produces unattended pH readings in high-fouling environments on 6600V2-4 sondes
- Greater length and hemispherical bulb is wipeable by a 6600 V2-4 sonde brush
- Hemispherical shape largely protects bulb
|606579||6579 hemisphere pH sensor|| |
|606445||6445 wiper kit for 6600 V2-4 sonde & hemisphere pH sensor|| |
|Usually ships in 3-5 days|
|616445||6445AF anti-fouling wiper kit for 6600 V2-4 sonde & hemisphere pH sensor|| |
|Usually ships in 3-5 days|
The YSI 6579 Hemisphere pH Sensor is a longer-length probe with hemispherical glass bulb. This extended length allows it to be wiped by 6600V2-4 sonde brush, and it's hemispherical shape protects most of the bulb. It is unguarded, and therefore may occasionally produce jumpy readings.
The YSI 6579 is available for use on the 6600 V2-4 with wiper/brush only.
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Ocean acidification: University of Washington's giant plastic bags help control research conditions
With oceans becoming more acidic worldwide, scientists are getting creative in designing experiments to study them. For example, one group at the University of Washington is using giant plastic bags to study ocean acidification.
Each bag holds about 3,000 liters of seawater and sits in a cylinder-like cage for stability. The group at UW, made up of professors and students, is controlling carbon dioxide levels in the bags over a nearly three-week period, during which they are looking at the effects of increased acidity on organisms living near the San Juan Islands.
“These mesocosms are a way to do a traditional experiment you might do in a lab or classroom,” said Jim Murray, professor of oceanography at the University of Washington.Read More
National Oceanic and Atmospheric Administration scientists detected signs of ocean acidification in the waters that hold the vulnerable and valuable fisheries of the North Pacific off the coast of Alaska, but they only had a snapshot of the action.
“We know that in this place were important commercial and subsistence fisheries that could be at risk from ocean acidification,” said Jeremy Mathis, a NOAA Pacific Marine Environmental Laboratory researcher and professor at the University of Alaska Fairbanks.
To understand how ocean acidification affects the North Pacific, NOAA scientists created a mooring network that collects constant in situ data on parameters contributing to acidification. They hope it will reveal seasonal trends and patterns left out by their snapshots.Read More
Time is of the essence when it comes to tracking algal blooms, and people everywhere are looking for solutions. In Florida, scientists from Florida Atlantic University Harbor Branch Oceanographic Institute (HBOI) recently trialed a solar-powered, algae-tracking sail boat developed by Navocean , Inc. Dr. Jordon Beckler of Florida Atlantic University (FAU) directs HBOI's Geochemistry and Geochemical Sensing Lab and spoke to EM about the trials and the boat.
"This boat is so amazing when you see it in action," remarks Dr. Beckler. "Navocean originally contacted me a few years back about a demonstration when I was over at my previous institution in West Florida, and we brainstormed some scenarios for employing the boat for harmful algae bloom monitoring.Read More