Sensor to Monitor Acidification in FL Keys
Mote has deployed a SeapHOx sensor to monitor pH and dissolved oxygen off Looe Key.
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McLane Releases Wave-Actuated Profiling Crawler for 500 m Depths
McLane Research Labs has released the Prawler (PRofiling crAWLER), a low-cost, wave-actuated vehicle that moves along the mooring wire, collecting data from the surface to 500 m of the water column. Data can include conductivity, temperature, depth (CTD), optical backscatter and dissolved oxygen. Wave motion and special ratcheting clamps move the vehicle up the wire. The Prawler free-falls to the
Read moreDead Zones that Choke Marine Life Also Found in Freshwater Streams
Hypoxic dead zones, which occur when dissolved oxygen levels in water drop so low that fish and other aquatic animals living there suffocate, are well-documented problems in many coastal waters. Now, a Duke University-led study reveals that they also occur in freshwater urban streams. The study measured dissolved oxygen concentrations, light levels, water chemistry and stream flow in six streams
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