Water quality
water

Rivers, oceans, lakes, aquifers, groundwater, stormwater, urban canals, underground streams, estuaries, and more -- we are passionate about water quality! This page will help you find resources to explore the waterbodies you care about, and connect with other people who have the same interests: ### Questions on Water Quality: [questions:water-quality] **** ## Monitoring * [Water sampling](/water-sampling) * [Water sensors](/water-sensors) * Posts on #water-monitoring * Posts on #water-testing * Posts on #reagents ## Water quality parameters Read about different water quality parameters here, including pH, nitrogen, conductivity, temperature, ORP and turbidity: * https://publiclab.org/common-water-contaminants Also see this overview of 7 ways to monitorn water quality: * https://publiclab.org/notes/anngneal/12-08-2017/7-ways-to-measure-monitor-and-evaluate-water-quality ## Groups and projects working on water quality issues: [wikis:project:water-quality] **** ## Water quality related pages [wikis:parent:water-quality] **** ## Activities [activities:water-quality]...


Author Comment Last activity Moderation
liz "Hi @LaPa, great to see your note! I'm tagging some other raspberry pi developers @rjstatic and @seankmcginnis " | Read more » over 8 years ago
cfastie "Hi LaPa, Your time-lapse videos are impressive. These are excellent teaching videos. You can clearly see that the NDVI values for the foliage of t..." | Read more » over 8 years ago
pdhixenbaugh "Re: square wave, I feel really out of my comfort zone here, but that's ok :). I know to make a square wave voltage source, you have to add up sine ..." | Read more » over 8 years ago
pdhixenbaugh "I'll do what I can :D it might be good weekend reading. So take everything that follows from the perspective of me not knowing much about measuring..." | Read more » over 8 years ago
donblair "I need a little help understanding this background. When you modulate the LED at 1 kHz, that means it's flashing on and off 1000 times a second? E..." | Read more » over 8 years ago
donblair "@pdhixenbaugh -- These are great ideas / questions / suggestions! I just posted a quick follow-up here: https://publiclab.org/notes/donblair/03-2..." | Read more » over 8 years ago
pdhixenbaugh "I need a little help understanding this background. When you modulate the LED at 1 kHz, that means it's flashing on and off 1000 times a second? Ho..." | Read more » over 8 years ago
mathew "beautiful! can't wait to see a submersion test. " | Read more » over 8 years ago
patzerrpd "@fieldlab Could we speak offline? My research focus has been Latin American focused but if our focus overlaps, I would interested in helping and/or..." | Read more » over 8 years ago
fieldlab "Is New Zealand too far away? We've got plenty going on over here that we could use help with! " | Read more » over 8 years ago
liz "Wow this is so well-written! Thanks for making these concepts accessible. " | Read more » over 8 years ago
liz "Hi Stephanie, It's great to hear from you! I have a friend who is a Guelph alum and am always glad to meet students. We do have some water-related ..." | Read more » over 8 years ago
donblair "-- a CR1220 coin cell. " | Read more » almost 9 years ago
mathew "@donblair what battery is the coin cell battery? " | Read more » almost 9 years ago
mathew "Wisconsin watch railway map: " | Read more » almost 9 years ago
jpkearns "Our systems are simpler, lower in cost, and made from common local materials. Please get in touch if you have questions - www.aqsolutions.org " | Read more » almost 9 years ago
EdMallon "@ cfastie: To be honest I probably would have started with Geir Andersen's shield to if I had known about it back at the beginning of my project. A..." | Read more » almost 9 years ago
donblair "Oh gosh -- Chris, thanks for tagging me in this thread -- I had no idea that this existed! Wow, Ed -- what amazing work you've been doing!! It's ..." | Read more » almost 9 years ago
cfastie "Thanks for the tip about cheaper SD card modules and RTC modules. I see now how you made your pro-mini logger for $13.00. One of those sensors I l..." | Read more » almost 9 years ago
EdMallon "Not sure about that Arduino clone, as I don't know about the chips it's using. But for less than 4 bucks just try it and see. Just don't expect the..." | Read more » almost 9 years ago
cfastie "I am really impressed with the new tutorial. Thanks for that great effort. This definitely lowers the barrier for me to try this. I just dove into ..." | Read more » almost 9 years ago
EdMallon "One of my high school teacher friends mentioned that he wanted add Arduino based projects to his science classroom, but after I posted those DIY gu..." | Read more » almost 9 years ago
majer "me to :) " | Read more » almost 9 years ago
eustatic "very cool. good question regaring the water pressure control, I've often wondered that myself. " | Read more » almost 9 years ago