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waterway
waterway


Author Comment Last activity Moderation
nikete "@liz , I had not heard of it before, that is so awesome! The design continues to evolve, and I picked up a few lesson from reading about the neutri..." | Read more » almost 4 years ago
liz "Love it! Ever hear of the adventures of the http://www.floatingneutrinos.com/ ? " | Read more » over 4 years ago
Ag8n "Thank you for the reply. What are you using for your UV source? The deuterium lamp from the spectrophotometer? Thank you. " | Read more » over 4 years ago
carsten "@Ag8n there is nothing else that i know to measure nitrate or the carbon concentration in situ and without chemicals. You need the UV-light in addi..." | Read more » over 4 years ago
nikete "A small note on the MDF: we have used it in combination with the tarp for a shed in our garden for about two years and it is holding up rather well..." | Read more » over 4 years ago
Ag8n "That was supposed to be absorbance , not abstinence. Darned autocorrect. " | Read more » over 4 years ago
Ag8n "Is there a reason you are using spectrophotometry instead of spectrometry? Spectrometry would be much less expensive. Is your application sensiti..." | Read more » over 4 years ago
nikete "Hi @bronwen. Thanks for the helpful comment. We are currently building the first one in Berlin, with the goal of learning and providing some monito..." | Read more » over 4 years ago
Bronwen "Very cool! Where is this project located? I especially like the use of recycled/scavenged building materials, but am a little concerned that workin..." | Read more » over 4 years ago
smmontgom "Great work! Can you get GPS signal in the bush or is the canopy too thick? You might check out https://akvo.org/ and http://www.mwater.co/ to see i..." | Read more » over 4 years ago
jbreen "It's been awhile since I did any hydrologic mapping, but I think you can use <5m resolution digital elevation model (DEM) LiDAR data to predict ..." | Read more » over 4 years ago
liz "Interesting! @geography76, any ideas from Planet Labs? @jbreen :) " | Read more » over 4 years ago
CWells "Hi Liz, thanks for your reply. Some of the water sources are covered by trees and protected from the equatorial sun and dont dry up, but some are j..." | Read more » over 4 years ago
liz "Dear Chris, it's inspiring to hear of your vision for Guinea Worm Eradication. To get started thinking about this, can the water sources be seen fr..." | Read more » over 4 years ago
Bronwen "jbreen has done some work on this! Check out this note from a few years ago: https://publiclab.org/notes/jbreen/10-17-2013/nighttime-balloon-mapping " | Read more » almost 5 years ago
gonzoearth "the original content from this map somehow was erased, and I just had to fix the lat/long it was 30mi off to the southwest!? " | Read more » over 8 years ago
warren "Wasn't this a Riverkeeper map? Is there some more background about it? " | Read more » over 9 years ago
gonzoearth "Thanks Chris I changed the date. I must have used that date from EXIF data or something like that before. I'll have to look at the overlay offset a..." | Read more » over 10 years ago
cfastie "Speaking of Google Earth, this map is georeferenced rather poorly there. I guess we just have to wait for the next update to see if that gets fixed? " | Read more » over 10 years ago
cfastie "Somehow the capture date was entered wrong for this map. The images were captured on November 18, 2011, not October 28. Unfortunately, this error ..." | Read more » over 10 years ago
warren "Wow!!! Looks great, esp. with the new blending. Let's set some time aside to work on the infrared version and post an NRG... " | Read more » over 10 years ago