Community research

Ag8n commented on Fuel Efficiency Of Used Vehicles over 1 year ago

Some vehicles, in most major cities, have to be tested annually for fuel emissions and mpg. Not a...

noah_ben_furman commented on Seeking a Documentation Fellow over 1 year ago

I am excited for us to create our project page!

JuliaGuerrein commented on Seeking an Environmental Policy Fellow over 1 year ago

Excited to work on this project as the Environmental Policy Fellow!

Ag8n commented on Research Paper: Correlating NDVI with Lichen Responses to Air Pollution over 1 year ago

Lichen1.docx Hopefully, this will attach.

WaterGeek commented on Has anyone tried a dashboard camera for timelapse or aerial mapping? over 1 year ago

I tried using a dashcam for something similar. I had one in old car, but didn't need it in my new...

WaterGeek commented on How we can do our own air quality monitoring in Deer Park Texas? over 1 year ago

We have a community Purple Air monitor in our area. Highly recommended!

WaterGeek commented on An Insight on Indoor Air Pollutants: Factors, Sources & Pollutants. over 1 year ago

Amazing article. Any news or updates you'd recommend for next steps? The article is 3 years old s...

WaterGeek commented on What are the best ways to preserve energy? over 1 year ago

I'd recommend starting off with high efficiency appliances. There will be Energy Star, "Most Effi...

Ag8n commented on Research Paper: Correlating NDVI with Lichen Responses to Air Pollution over 1 year ago

In this area, lichens aren't common. Attached is a rough draft using lawn clippings to set up an...

tylerknight commented on Rising PM 2.5 in St James over 1 year ago

Great ideas! I'll add a percentage column to the table to better highlight how much of the month ...

fongvania commented on Rising PM 2.5 in St James over 1 year ago

Thank you for sharing updates on this project! Is the team planning to highlight specific times w...

jdetka commented on Used the PiNoIR camera with blue filter for my experiment in order to obtain the values of NIR and Red region, now i wanted to know what out put we are getting is right or wrong? over 1 year ago

Hello, Did you make any additional progress with this? I'm trying to do the same thing and maybe ...

alejobonifacio commented on EcoSen -> How healthy are our water resources? (In construction) over 1 year ago

I did this! Hi! Long time has passed since this original post. I was doing some in field measurem...

alejobonifacio commented on Could we just use the PWM feature of an Arduino to generate the 50% duty cycle we need for the Coqui or for a water conductivity meter? over 1 year ago

Reading a little more I found that you could change the frequency of the PWM in arduino. I did no...

alejobonifacio commented on Could we just use the PWM feature of an Arduino to generate the 50% duty cycle we need for the Coqui or for a water conductivity meter? over 1 year ago

Hi! good question! The frequency of PWM of arduino is about 500hz. Is that enough for conductivit...

jamesBstaionyor commented on What Does It Take to Get a Response? over 1 year ago

I don’t understand why the responsibility for this falls only on the citizens, when it’s real to ...

Ag8n commented on Video Tutorial: Mobile Phone as Colorimeter over 1 year ago

If using an instrument like a hunter colorimeter, be careful. There is the Hunter L,a,b scale. ...

Ag8n commented on Video Tutorial: Mobile Phone as Colorimeter over 1 year ago

Little change here. Most water or liquid measurements are on transmitted or absorbed light.

Ag8n commented on Video Tutorial: Mobile Phone as Colorimeter over 1 year ago

Its very easy to get these two instruments confused. If you are measuring color in industry(as i...

cebokad215 commented on Communicating Air Quality Data: Research Area Review Summary over 1 year ago

Thanks for sharing the air quality data.

Ag8n commented on Research Paper: Correlating NDVI with Lichen Responses to Air Pollution over 1 year ago

The tungsten lamp remarks only apply to the 660 nm red lines.

Ag8n commented on Research Paper: Correlating NDVI with Lichen Responses to Air Pollution over 1 year ago

Best bet- use an old fashioned tungsten lamp. Not a LED claiming to be a tungsten lamp. An LED ...

Ag8n commented on Research Paper: Correlating NDVI with Lichen Responses to Air Pollution over 1 year ago

Looking into the 660 nm lines. It's not that LEDs don't exist for 425 nm region. They do. But ...

Ag8n commented on Research Paper: Correlating NDVI with Lichen Responses to Air Pollution over 1 year ago

There are 3 in 1 flashlights ( blue, white, and red) that would be good for this application- as ...

Ag8n commented on Research Paper: Correlating NDVI with Lichen Responses to Air Pollution over 1 year ago

If you are using the public lab spectrometer, a light source for around 400 nm is needed. It loo...

Ag8n commented on Research Paper: Correlating NDVI with Lichen Responses to Air Pollution over 1 year ago

A test of this method might be to use lawn clippings and run it through the procedure. The idea...

Ag8n commented on Research Paper: Correlating NDVI with Lichen Responses to Air Pollution over 1 year ago

Another, more current option , is to use a coffee grinder. With the temperature issues this mate...

Ag8n commented on Research Paper: Correlating NDVI with Lichen Responses to Air Pollution over 1 year ago

As for the mortar and pestle, there are many options. Some mortar and pestles are very expensive...

Ag8n commented on Research Paper: Correlating NDVI with Lichen Responses to Air Pollution over 1 year ago

Was checking one of the online vendors. Found new centrifuges for $70. Industrial quality centr...

Ag8n commented on Research Paper: Correlating NDVI with Lichen Responses to Air Pollution over 1 year ago

Ok. Trying to stay as close to duplicate the original paper as closely as possible. R.la cera is...