Hi guys, Welcome to the Advanced Video Search Engine, and you are watching Why Are These Mountains BLUE?. That video is uploaded by PBS Terra at 2020-09-24T08:00:06-07:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [NHMZwaopAaI]
| Name | Why Are These Mountains BLUE? |
| Video Uploader | Video From PBS Terra |
| Upload Date | This Video Uploaded At 24-09-2020 15:00:06 |
| Video Discription | PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateTerra. ↓ More info below ↓ This is our premiere episode of Overview, a show that will be publishing every three weeks on Terra. There are a LOT of trees in the Blue Ridge Mountains, and they’re responsible for that dreamy blue haze on the horizon. Trees produce fine mists of volatile organic compounds (VOCs), which scatter blue light waves. But these compounds are also a key ingredient in ground-level ozone, and in the mid-90s the area had serious air quality issues. Not only was it dangerous to breathe, but the hazy blue was also disappearing from the horizon. But it wasn’t just the tree's fault. Here’s what happened... ********************************************** Hosted by Joe Hanson from It's Okay to be Smart, Overview uses incredible 4k drone footage to reveal the natural phenomena shaping our planet from a 10,000-foot view—literally. NHMZwaopAaI |
| Category | Education |
| Tags | Blue Ridge Mountains | Science | Chemistry | Volatile Organic Compounds | Trees | North Carolina mountains | Mountains | Great Smoky Mountains National Park | Ozone | Ground level ozone | drone | aerial cinematography | Nature | hiking | drones | drone footage | north carolina | mountains | Joe Hanson | Overview |
