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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Crowdsourcing lead testing in NYC parks and playgrounds

by smmontgom 18 days ago | 5 | 206 | 0

I've been working with a small group of volunteers on a project to test NYC public drinking fount...

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DIY Science Lesson with the Coqui

by pdhixenbaugh about 1 month ago | 2 | 158 | 4

Use the coqui as a way to teach kids about how they can find their own scientific methods to ...

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Adding a jack to the Coqui

by imvec 4 months ago | 1 | 166 | 3

Record Coqui sensor measurements. Follow the awesome post by @akshaya and @ kanarinka to [bu...

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Build a Coquí: A Simple Water Conductivity Sensor

by akshaya New Contributor about 2 years ago | 14 | 1,519 | 5

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

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Taller de investigación fluvial DIY

by imvec 8 months ago | 0 | 198 | 3

FECHA: 30/03/2018 - 01/04/2018 LUGAR: [Calafou colonia ecoindustrial postcapital...

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Willow Creek Water Quality Monitoring

by MadTinker about 1 year ago | 9 | 773 | 9

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

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Build KnowFlow: automatic water moniter

by shanlter over 1 year ago | 61 | 2,721 | 15

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 2 years ago | 10 | 667 | 3

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

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Mapping Lead-Free Water

by smmontgom about 2 years ago | 0 | 418 | 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 2 years ago | 6 | 2,186 | 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 2 years ago | 0 | 924 | 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 2 years ago | 0 | 1,955 | 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 2 years ago | 7 | 1,832 | 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 3 years ago | 6 | 2,815 | 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 3 years ago | 2 | 1,413 | 2

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

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buoy for water sensor

by DavidMack about 3 years ago | 2 | 3,237 | 5

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

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Rubba Stoppaz

by donblair about 3 years ago | 8 | 2,751 | 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 3 years ago | 6 | 2,628 | 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 3 years ago | 1 | 2,289 | 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 3 years ago | 4 | 2,212 | 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 3 years ago | 0 | 1,863 | 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 3 years ago | 4 | 3,377 | 3

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 3 years ago | 12 | 7,047 | 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 3 years ago | 5 | 3,101 | 3

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

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