sand-mining
sand-mining


Author Comment Last activity Moderation
bhamster " @bhamster has marked @Pat as a co-author. " | Read more » about 2 years ago
azaz10500 "i am a Student " | Read more » almost 3 years ago
Ag8n "It's much more complicated than it seems. It isn't whether something is sand or silica. Because, by definition, they are the same thing. Sand is..." | Read more » almost 3 years ago
michaelhenry "Nice post... Here is my site pls visit https://pvacorner.com/youtube-pva-accounts " | Read more » over 4 years ago
dswenson "The lower seal of the camera encasement did get ~24 hours of prolonged exposure (partial submersion) to elevated water volume during last week's he..." | Read more » almost 7 years ago
warren "Wow yeah, i'd thought it was waterproof, but it's good to know (although too bad!) that heavy rains can damage it. Do you think it got submerged at..." | Read more » almost 7 years ago
stevie "Hi Dwight, wow sorry to hear it was damaged -maybe we should look into a different type of camera @warren . Would have been great to catch some of ..." | Read more » almost 7 years ago
dswenson "Hi Stevie, I'll attach some recent sedimentation examples. We've experienced heavy rain fall and flooding this month which caused moisture damage..." | Read more » almost 7 years ago
stevie "Hi Dwight! Have you tried to up the photos taken per day? catch anything interesting? " | Read more » almost 7 years ago
warren "These folks apparently did use timelapse cameras to track truck traffic: https://publiclab.org/notes/mathew/05-20-2014/frac-sand-frisbee-maps-again..." | Read more » about 7 years ago
dswenson "Thanks Warren. Blasting events resonate landscape and concern! " | Read more » about 7 years ago
stevie "Wow! looks like you have a great spot for the camera! Thanks for posting " | Read more » about 7 years ago
liz "Perhaps see related tutorial on estimating the height of waste piles (the flipside of the problem you are facing here): https://publiclab.org/notes..." | Read more » about 7 years ago
warren "I really like the motion sensor truck counter approach. Do you think the motion sensing abilities of the Crenova trail camera will work for this? P..." | Read more » about 7 years ago
glennwalquist "@cfastie @warren@tayreed@patcoyle Thanks for this incredibly valuable input as to the potential for measuring extracted volumes and stored pile..." | Read more » about 7 years ago
cfastie "Structure from motion could be done with ground based photos, especially if the camera was on a tall pole. Multiple photos would be needed which in..." | Read more » about 7 years ago
warren "Both @patcoyle and @cfastie have done a lot of this. Do you two know if this is at all possible? Thanks! " | Read more » about 7 years ago
warren "That's great to hear, thanks. 4 months would indeed be great. Just came across this -- blasting caught on timelapse at a mountaintop removal site ..." | Read more » about 7 years ago
dswenson "Following an initial brief posting in early December (cold snap conditions), I re-posted the camera the third week in February attempting to preced..." | Read more » about 7 years ago
warren "This looks great, thank you for sharing! How long has it been out there, and do you have a sense of the battery life? How often are you shooting? ..." | Read more » about 7 years ago