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Author: neilh20
N Ca Mayflys through the winter storms
Following on from the phased deployment envirodiy.org/mayflys-in-coastal-redwoods-northern-california I’m pleased the way my fork of ModularSensors has been working with the winter storms, in incised riparian locations with lots of vegetation around and challenging cell phone connections. The real-world in streams on the West Coast USA. Though when I dig deeper into some of the nodes d...[Read More]
Mayflies in Coastal Redwoods – Northern California
I’ve completed a deployment of remote telemetry monitoring of depth gauges with the purpose of visualizing depth readings for Trout Unlimited California.
Geographical Scaling Modular Sensors
Modular Sensors library of sensors interfaces is fantastic. Sara’s classes form a backbone of data flowing from the sensors to the cloud(s), all running on the low cost, solar powered Mayfly. Thanks Shannon and Sara and many others who help teach about Modular Sensors. I was able to extend the Keller Acculevel Class to a Keller Nanolevel device easily, and I’m working on the Insitu SDI-12 interfac...[Read More]
Comparison temperature dependency: LT500, Keller Nano Level
Testing equipment to measure water depth accurately in low flow applications in surface water streams.
Measuring low water in streams accurately
To recap from a previous blog, a project looking at effects of drought conditions is monitoring the low water depths in-stream, with transducers that have a capability of reliably measuring changes of ±0.01’(feet) in low water conditions, connected via an open interface 4-20mA to an Onset U30 cellular wireless logger. For reliability, it was decided to use two water transducers per logger. Over ...[Read More]
Accurate low stream depth measurements viewable on internet
Working on a remote river monitoring project with partners Cemar.org and a local chapter of The Nature Conservancy.
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