BBC World Service | Why are the seas salty? - CrowdScience podcast, BBC World Service @BBCWorldService | Uploaded September 2024 | Updated October 2024, 18 hours ago.
BBC CrowdScience listener Julie lives close to the coast in New Zealand and wants to know why the water that washes up on the beach isn't fresh. How exactly does all that salt get into the world's oceans?
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In India, a country where salt became symbolic of much more than well-seasoned food, presenter Chhavi Sachdev visits coastal salt farms and a research institute dedicated to studying all things saline, to better understand our relationship with salty seas.
The team also ventures to a very briny lake on the other side of the globe in Salt Lake City, Utah, to learn how salt makes its way into water bodies.
Speaking to an expert in deep sea exploration, we learn how hydrothermal vents may play a role in regulating ocean saltiness and how much the field still has to explore.
Meanwhile, listener Will wants to know how much melting ice sheets are affecting ocean salinity. But ice melt isn’t the only thing affecting salt levels when it comes to the impacts of climate change.
And... how many teaspoons of salt are in a kilogram of sea water anyway? We do the rigorous science to answer all these salient saline questions.
00:00 Salt farming in India
03:57 Why is the Great Salt Lake so salty?
07:26 How does salt get into salty lakes and seas?
10:56 How salty is the sea?
13:17 Hydrothermal vents
17:06 Deepika’s salt farm
18:03 Large scale salt manufacturing
19:30 Will climate change dilute the salty seas?
25:15 How has climate change affected the salt industry?
28:05 How can salt farmers adapt?
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BBC CrowdScience listener Julie lives close to the coast in New Zealand and wants to know why the water that washes up on the beach isn't fresh. How exactly does all that salt get into the world's oceans?
Click here to subscribe to our channel 👉🏽 bbc.in/3VyyriM
In India, a country where salt became symbolic of much more than well-seasoned food, presenter Chhavi Sachdev visits coastal salt farms and a research institute dedicated to studying all things saline, to better understand our relationship with salty seas.
The team also ventures to a very briny lake on the other side of the globe in Salt Lake City, Utah, to learn how salt makes its way into water bodies.
Speaking to an expert in deep sea exploration, we learn how hydrothermal vents may play a role in regulating ocean saltiness and how much the field still has to explore.
Meanwhile, listener Will wants to know how much melting ice sheets are affecting ocean salinity. But ice melt isn’t the only thing affecting salt levels when it comes to the impacts of climate change.
And... how many teaspoons of salt are in a kilogram of sea water anyway? We do the rigorous science to answer all these salient saline questions.
00:00 Salt farming in India
03:57 Why is the Great Salt Lake so salty?
07:26 How does salt get into salty lakes and seas?
10:56 How salty is the sea?
13:17 Hydrothermal vents
17:06 Deepika’s salt farm
18:03 Large scale salt manufacturing
19:30 Will climate change dilute the salty seas?
25:15 How has climate change affected the salt industry?
28:05 How can salt farmers adapt?
----------------
This is the official BBC World Service YouTube channel.
If you like what we do, you can also find us here:
Instagram 👉🏽 instagram.com/bbcworldservice
Twitter 👉🏽 twitter.com/bbcworldservice
Facebook 👉🏽 facebook.com/bbcworldservice
BBC World Service website 👉🏽 bbc.co.uk/worldserviceradio
Thanks for watching and subscribing!
#BBCWorldService #WorldService #sea #saltwater
