Stable environmental isotopes and the delta notation

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  • čas přidán 26. 12. 2019
  • Stable isotopes serve as tracers of many processes, providing information on how chemical reactions proceed in nature. For instance, they can be used to understand rock forming processes, the water cycle, and physiological and environmental signals in plant materials. To quantify relative changes in the abundance of isotopes occurring due to these processes, we use the delta notation. But where does this notation come from and what does it mean? In order to explain that, let’s use hydrogen, carbon and oxygen as examples.
    As pointed out by some viewers (thanks!) there is a small mistake at ~2:59:
    D/H is equal to 0.0015 and 13C/12C is equal to 0.011.
    Please check my blog with a summary of this video's subject: www.fabianarichter.com/post/s...
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Komentáře • 19

  • @GeologiadaTerra
    @GeologiadaTerra  Před rokem +1

    As pointed out by some viewers (thanks! 😊) there is a small mistake at ~2:59:
    D/H is equal to 0.0015 and 13C/12C is equal to 0.011.

  • @izalco2867
    @izalco2867 Před 4 měsíci

    thank you!!! was having trouble understanding the delta notations and what negative and positive values meant. but you summarized it so simple! tyvm

  • @datchentai3047
    @datchentai3047 Před 2 lety +1

    This is a very good explanation for this concept of delta notation and easy to follow

  • @farrishdaniel2179
    @farrishdaniel2179 Před 3 lety +1

    You have no idea how much this helps! thank you so much!!!

  • @kendallwojcik837
    @kendallwojcik837 Před 4 lety +1

    Great video, thank you!

  • @salaithurazaw5365
    @salaithurazaw5365 Před rokem

    The concept is explained explicitly! This helps me a lot. Many thanks! Could you also please share more about tracers in hydrogeology if possible? Many thanks! :)

  • @dharmareyes
    @dharmareyes Před 3 lety +1

    Thank you very much for the nice explanations =)

  • @dqueezy923
    @dqueezy923 Před 3 lety

    Thank you so much for this video!

  • @mshellasotoms7426
    @mshellasotoms7426 Před 3 lety

    do you have any problem example, on how to use the formula?

  • @krushnavudamala7254
    @krushnavudamala7254 Před 2 lety

    Thanks explanations

  • @abdeldjebartouahri9066
    @abdeldjebartouahri9066 Před 4 lety +1

    Where is the other video?

  • @karanram2561
    @karanram2561 Před 2 lety +4

    R for Hydrogen = 0.0015
    R for Carbon = 0.01112

  • @aakashmohanrawat3663
    @aakashmohanrawat3663 Před 3 lety

    Very nicevideo

  • @aakashmohanrawat3663
    @aakashmohanrawat3663 Před 3 lety

    Next video has not come..please share the applications of oxygen isotopes in Riverland spring systems

  • @snehabakshi9266
    @snehabakshi9266 Před 3 lety +1

    can you provide the link of the 2nd video?

    • @GeologiadaTerra
      @GeologiadaTerra  Před 3 lety +2

      Sneha Bakshi hi! I am sorry, I still haven’t had time to make the next video. Hopefully soon! :)

    • @snehabakshi9266
      @snehabakshi9266 Před 3 lety

      Thank u. U should make it. Last one is awesome.

    • @MohammadAli-sg8bj
      @MohammadAli-sg8bj Před 3 lety

      @@GeologiadaTerra please make it as i am studying isotope geology and your lectures are really helpfull

  • @MohammadAli-sg8bj
    @MohammadAli-sg8bj Před 3 lety

    you look like Scarlett Johansson.