eutrophication
eutrophication


Author Comment Last activity Moderation
lbarcelo "How did you resolve these issues? " | Read more » over 6 years ago
warren "@wattminder - have you seen some of the recent work with the Riffle, for conductivity monitoring of water? http://publiclab.org/wiki/riffle Also f..." | Read more » over 8 years ago
warren "I ended up trying some semi-opaque plastic but indeed the light has to be really strong as a result: http://publiclab.org/notes/warren/07-31-2013/m..." | Read more » about 9 years ago
philippg "@warren: as sensitivity is my main concern, i'd really avoid masking even more intensity. i'm currently experimenting a bit with possible diffusors..." | Read more » about 9 years ago
warren "Instead of a calibrated light source, what about scanning a sample and non-sample simultaneously, so that you can actually measure the input light ..." | Read more » about 9 years ago
philippg "@straylight: 'How much water depth (or column depth) is typically analysed when looking for the chlorophyll-A using absorbance ? Is it in the order..." | Read more » about 9 years ago
webbhm "I volunteer with LMVP (Lakes of Missouri Volunteer Program), and they conduct water quality monitoring. Their algae sampling is quite formal, wher..." | Read more » about 9 years ago
straylight "wow, what a great sounding project Philipp. I like your thinking. Taking an average over 10 or more rows of the camera image is really good. The i..." | Read more » about 9 years ago
eustatic "this is cool. I'm in the Gulf Coast of the United States. We have a large algal bloom that happens every year, as well as a lot of nitrate waste ..." | Read more » about 9 years ago
philippg "hey wattminder, what kind of contaminants can be expected? if they have a specific optical signature, then they can be detected with optical spect..." | Read more » about 9 years ago
wattminder "Hi Philip, This is very interesting and timely. California is now experiencing a huge boom in Hydraulic Fracturing, a practice that employs water a..." | Read more » about 9 years ago