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Cleaning and Organizing Environmental Data

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about 18 hours ago

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Presenting Environmental Data

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1 day ago

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Presenting Environmental Data

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1 day ago

New edit by laurel_mire

Presenting Environmental Data

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1 day ago

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sandbox-air-quality-data

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2 days ago

New page by bhamster

Cleaning and Organizing Environmental Data

3 days ago

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Fellowship Teams

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3 days ago

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Fellowship Teams

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9 days ago

New edit by stevie

Fellowship Teams

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9 days ago

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sandbox-cleaning-and-organizing-data

9 days ago

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Air Quality Data

10 days ago

New page by laurel_mire

Fracking

15 days ago

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sandbox-air-quality-data

about 1 month ago

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mmmp

about 1 month ago

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The Mountains and Mines Monitoring Project

about 1 month ago

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Urban Environment and Social Inclusion Index

about 1 month ago

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Wastewater

2 months ago

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sandbox-facilitation

3 months ago

bhamster commented on NDVI and NRG 3 months ago

@cfastie Aha, thanks so much for the modified image! And for the context.

bhamster commented on NDVI and NRG 3 months ago

This is a really clear and helpful explanation, thanks @nedhorning. And thank you for pointing o...

alejobonifacio commented on Post your photos of possible wastewater pollution! / ¡Postea tus fotos de aguas posiblemente residuales! 📷 3 months ago

¡Hola! Los últimos días fui al río Suquía en Córdoba, Argentina y tomé algunas fotos ...: flash d...

cfastie commented on NDVI and NRG 3 months ago

If you want to replace the image with the questionable text "Red, Green, Blue" with one modified ...

nedhorning commented on NDVI and NRG 3 months ago

NDVI uses an NIR and a Red band. Some documents have noted that instead of red you can any visibl...

sarasage commented on Announcing our newest Fellowship Team project! 3 months ago

Looking forward to seeing more about your project!

klausmayr commented on Creating orthomosaics with oblique aerial images from 1940s in Agisoft or other software? 3 months ago

@warren thank you for the recommendation! I'm trying it now and getting close, but I think it's p...

bhamster commented on NDVI and NRG 3 months ago

Hi @dlebauer, good catch, thanks for pointing this out. @cfastie, @nedhorning, @ektopyrotic, if ...

ruthnwaiganjo commented on Introducing a new Dashboard for PublicLab.org 3 months ago

Thank you so much! It was a pleasure working on the new dashboard! I loved the culture, the suppo...

Ag8n commented on How do I...use luminescence with the spectrometer? 3 months ago

I don't plan on making the modifications in the near future. If someone else would like to try i...

bhamster commented on How do I...use luminescence with the spectrometer? 3 months ago

I'm still in the information-gathering stage, so unfortunately haven't done any tests myself yet!...

Ag8n commented on How do I...use luminescence with the spectrometer? 3 months ago

Thank you for the help. Have you used ASTM D6592-1? It was written in 2001 and removed in 2010 ...

bhamster commented on How do I...use luminescence with the spectrometer? 3 months ago

Oh good point, and helpful to know that using chemi- or bioluminescence eases certain specs on ma...

dlebauer commented on NDVI and NRG 3 months ago

Great article - I noticed that the first image shows an equation (NIR-R|G|B)/(NIR+R|G|B). The way...

AnemometricalTwoStep commented on How to Open and Clean a PMS 5003 Air Sensor 4 months ago

+1 One of the channels in my PurpleAir started reporting a value of 0 constantly. I suspect I’m ...

waridrox commented on how to delete unwanted spectra? 4 months ago

Hi, this was recently fixed and now you can delete the spectrums which are not dependant on anoth...

alejobonifacio commented on What are some observable tell-tale signs of wastewater pollution? 4 months ago

Hi @jesseslone , this comment is to translate your answer that I consider very valuable. If it do...

bhamster commented on How do you make results from environmental monitoring personally meaningful to people? 4 months ago

Thanks for sharing your experience and these resources, @julia_e_masters, they're super helpful!

julia_e_masters commented on How do you make results from environmental monitoring personally meaningful to people? 4 months ago

In my experience, well-thought out data visualization is a huge benefit to making content digesti...

Ag8n commented on How do I...use luminescence with the spectrometer? 4 months ago

Thank you for the papers. Still working my way through them. Wanted to comment on the differenc...

jeffalk commented on Is there a correlation between humidity and particulates in the air? 4 months ago

@Sara, I believe your question specifically refers to indoor air quality, specifically particula...

xose commented on ¿Cómo detectar abrillantadores ópticos (aguas residuales) yendo a un río? / How to detect optical brighteners (wastewater) going to a river? 4 months ago

Here the full Chandler - Lerner paper :) https://sci-hub.st/https://doi.org/10.1111/wej.12112

Ag8n commented on ¿Cómo detectar abrillantadores ópticos (aguas residuales) yendo a un río? / How to detect optical brighteners (wastewater) going to a river? 4 months ago

Found a file, labeled just 3414, that is a method for the analysis by fluorometer. They used 360...

xose commented on ¿Cómo detectar abrillantadores ópticos (aguas residuales) yendo a un río? / How to detect optical brighteners (wastewater) going to a river? 4 months ago

@xose awards a barnstar to alejobonifacio for their awesome contribution!

liz commented on City of New York's first-ever "Environmental Justice for All" report 4 months ago

Second comment period now open: https://www1.nyc.gov/site/sustainability/our-programs/environment...

alejobonifacio commented on ¿Cómo detectar abrillantadores ópticos (aguas residuales) yendo a un río? / How to detect optical brighteners (wastewater) going to a river? 4 months ago

Hi again @Ag8n! I've just read again the Research Paper Chandler, D. M., & Lerner, D. N. (201...

warren commented on How good is the PurpleAir sensor and what does it detect? 4 months ago

Just noting also a big round up of notes on humidity and fog with optical sensors here: https://...

warren commented on Is there a correlation between humidity and particulates in the air? 4 months ago

Hi Sara! Yes, in two broad ways that I've seen -- both in being able to distinguish particulates...

digital image processing projects

by keerthana06 7 months ago





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