Aftertherain_suzannemcdaniel_landscape2

Open Water

Main image above is by Suzanne McDaniel, and was taken at Island End River in Chelsea, MA, part of the Mystic River watershed. Suzanne's photo was one of the winners of the MyRWA photo contest.

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Notes tagged with open-water

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Willow Creek Water Quality Monitoring

by MadTinker about 1 month ago | 9 | 249 | 7

I am currently active with the Willow Creek Reclamation Committee,...

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Build KnowFlow: automatic water moniter

by shanlter 4 months ago | 59 | 584 | 9

For couple of months I'm at Shanghai, working with DFRobot, a robotics...

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Pearl River Monitoring in Guangzhou

by shanlter about 1 year ago | 10 | 503 | 4

I paddle every week with Guangzhou International Dragon Boat Club in Pearl River. The water qual...

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Build a Coquí: A Simple Water Conductivity Sensor

by akshaya about 1 year ago | 6 | 887 | 4

The Coquí is a simple water conductivity sensor designed by @donblair that is designed for use...

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Mapping Lead-Free Water

by smmontgom about 1 year ago | 0 | 367 | 0

As I'm sure folks on this forum are aware, [lead is toxic](http://www.huffingtonpost.com/dr-mark-...

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Removing ambient interference from turbidity measurements through signal modulation

by donblair over 1 year ago | 6 | 2,012 | 3

Turbidity is an optical measurement of suspended solids in solution -- a broadly useful water qua...

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Photos of building Coquis in Hong Kong

by liz over 1 year ago | 0 | 887 | 1

From the time period January 21-24 [![IMG_3582.JPG](//i.publiclab.org/system/images/photos/000/0...

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Pencil lead works well as an electrode material in lead analysis

by JSummers over 1 year ago | 0 | 1,735 | 7

This was a test to see if pencil lead can be used as an electrode material in electrochemical le...

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Conductivity Sensing: Open Questions

by donblair over 1 year ago | 6 | 1,550 | 7

A lot of people are interested in measuring conductivity in liquids -- because it provides a u...

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Riffle Water Bottle Enclosure: rubber stopper w/hole + silicone sealant: > 8 weeks!

by donblair almost 2 years ago | 6 | 2,729 | 3

[photo credit: Liz Barry. Shocked cereal box credit: D'Ignazio family] We've been experimenti...

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Suratá Visible -- Part I

by donblair almost 2 years ago | 2 | 1,370 | 2

Hallo! This is a long overdue first post on an amazing project that I participated in towards th...

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buoy for water sensor

by DavidMack about 2 years ago | 2 | 3,090 | 5

Create a durable, reusable buoy packaging system for water sensors: 1.) measure parameters ...

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Rubba Stoppaz

by donblair about 2 years ago | 8 | 2,695 | 3

Finally getting around to testing @mathew 's clever ideas around sealing up plastic water bottles...

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Riffle: sensor board approach

by donblair about 2 years ago | 6 | 2,588 | 3

One idea that came up in Colombia (and, really, in various forms earlier, at LEAFFEST and elsewhe...

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Riffle Datalogger: quick development snapshot

by donblair about 2 years ago | 1 | 2,240 | 1

This is an attempt to take a quick snapshot of the Riffle open hardware water monitor project,...

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Wireless 001

by donblair about 2 years ago | 4 | 2,128 | 1

[header image from dev.physicslab.org] A first pass on notes re: various options for broadc...

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Dock Test!

by donblair about 2 years ago | 0 | 1,787 | 6

Today Laura Perovich led Joe Goldbeck and me on an expedition to the Charles River to deploy a te...

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Turbidity 001

by donblair about 2 years ago | 4 | 2,973 | 2

Just wanted to gather some useful materials around turbidity -- how it's usually assessed, and va...

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Buoyancy-Driven Underwater Glider

by ajawitz about 2 years ago | 12 | 6,004 | 4

I want to develop an underwater autonomous vehicle based on a design the US Navy developed for...

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Riffle-328p version 0.96 :)

by donblair over 2 years ago | 5 | 3,034 | 3

Quick update on the latest design for the Riffle ... But first, a quick review: Several of ...

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sensors in soda bottles

by mathew over 2 years ago | 6 | 3,071 | 2

I want to keep electronics dry while wired to underwater sensors. I did a short test of a simpl...

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sketching a waterproof pop bottle sensor system

by mathew over 2 years ago | 4 | 3,396 | 0

I want to make a way to reliably put sensors through the cap of a PET bottle. the [Open Water Pr...

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Dreaming of sensitive friends

by warren almost 3 years ago | 1 | 1,761 | 6

I took these portraits in a session at the open water workshop at Propeller, in New Orleans, toni...

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Coqui PCB + audio jack

by donblair almost 3 years ago | 0 | 1,489 | 1

[![coqui-v1.0-schem.png](https://i.publiclab.org/system/images/photos/000/007/466/medium/coqui-v1...

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Conductivity Results from 3 Water Samples

by madelinebilis almost 3 years ago | 0 | 1,074 | 0

by Ariana Marini and Madeline Bilis In reference to three water samples described in a [prev...

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Follow up — Group 2 Water Sample Results

by jacktemp almost 3 years ago | 0 | 972 | 0

Group 2 — Results Our, which are posted on youtube [here](https://www.youtube.com/watch?v=...

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Collect 3 Water Samples for Testing

by amarini almost 3 years ago | 2 | 2,337 | 0

Samples collected by Ariana Marini & Madeline Bilis JR-368 Emerson College Data Visualizatio...

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Duty Cycles & 555s --> linearity!

by donblair about 3 years ago | 15 | 3,620 | 3

I had a great long chat with [Mark Brownawell](http://www.linkedin.com/pub/mark-brownawell/5/530/...

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Coqui draft board design on Upverter

by warren about 3 years ago | 8 | 1,877 | 1

Make a simple through-hole Printed Circuit Board for the Coqui <$5 water conduc...

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Recap: Open Water Workshop, 7/12/14

by donblair about 3 years ago | 6 | 5,008 | 6

<iframe src="//player.vimeo.com/video/100778803?title=0&byline=0&portrait=0" width="700" ...

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