NASA’s OCO-3: Watching Plants Grow and Glow

>>We have a measure of
plant photosynthesis activity in combination with the carbon dioxide. When plants are doing photosynthesis, they emit a little bit of light, and we can sense that
light in our measurements.>>OCO-3 is gonna be measuring this emission called fluorescence, and that’s gonna give us insight into planetary photosynthesis and the underlying drivers of really why is CO2 changing over time, and this would give us
more insight into why plants use CO2 for growing. The combination of these measurements tell us about the relationship between this net uptake of CO2 over time and how that is being
governed by photosynthesis.

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19 thoughts on “NASA’s OCO-3: Watching Plants Grow and Glow

  1. شىء جميل ان نرى نمو النباتات …. فنشكركم على هذا المجهود العظيم … واتمنى لكم كل التوفيق والنجاح والتقدم ….👍🏼👍🏼👍🏼👏👏👏❤️❤️❤️ناسا❤️❤️❤️

  2. 0:26 – "This will give us more insight into why plants use CO2 for growing". Really? They don't know that plants need carbon? It's like they're really trying hard to make CO2 sound bad.

  3. I’m curious how you hope to detect solar induced fluorescence apart from all the greater sources of light, as photosynthesis happens mostly during daylight but even moonlight would wash out a regular sensor before you could detect something so dim. I gather that it is a spectroscope so there must be some particular elemental “barcode” to the light you are looking for, but how do you filter such a faint “signal” from all that “noise”?

  4. It's amazing to be able to see such a low level of light emission from orbit.

    Soon we'll be able to see a 🐝💨

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