Discover and read the best of Twitter Threads about #carbonsink

Most recents (8)

🚨📝NEW PAPER📝🚨

In a recently published paper, researchers use “an LCA approach to calculate the Long-Lasting #CarbonSequestration (LLCS) of #seaweed, which can be understood as the difference between #CarbonFixation & released C throughout the life cycle of seaweed.”

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Using kelp (Laminaria japonica) as an example of seaweed, the present study “validates the procedure of calculating the LLCS of seaweed throughout its whole life cycle in Ailian Bay from nursery to processing into #biochar (fertilizer) as the final product.”
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The results showed that “the #CarbonSequestration (full life cycle) of kelp in Ailian Bay was 97.73g C /m2/year.”
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Read 9 tweets
📝💡 𝐖𝐞𝐞𝐤𝐥𝐲 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬💡📝
Here's your roundup of top #CarbonDioxideRemoval News Articles / Scientific Papers from the past week: 🌱🪨🎛️🌊

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1️⃣ 💵 @Microsoft & @Orsted ink “one of the world's largest” carbon removal deals as Microsoft buys 2.76 million tonnes of #CarbonRemoval from Ørsted using #BECCS. To be delivered over 11 years.

📖➡️
2/10
2️⃣ 💸Buyers working through Frontier have binding contracts for $53 million with the startup @CharmIndustrial to remove 112,000 tons of CO2 between 2024 & 2030.

*“Charm turns waste biomass into bio-oil & stores it underground for +1000 years.”

📜➡️
3/10
Read 11 tweets
🚨🌊A marine research team led by Professor Yan Qingyun has proposed a method "to assess the net #CarbonSink of marine #macroalgae (Gracilaria) cultivation. Then, they computed net C sink of Gracilaria cultivation in China based on Gracilaria's annual yield in the last 10yr."
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Also, "the net #CarbonSink trend of #Gracilaria cultivation in the next ten years was predicted by the autoregressive integrated moving average model (ARIMA)."
2/9
Finally, researchers "explored the potential #CarbonSink increase and methane reduction related to #Gracilaria cultivation in China through a scenario analysis."
3/9
Read 9 tweets
🚨🌊NEW PAPER 🌊🚨

"One of the planet’s most vital #CarbonSinks i.e. SOUTHERN OCEAN (SO) (absorbs ~40% of C) is revealing its secrets as tiny organisms in the SO play an outsized role in moderating Earth’s #climate."

Details from the recent research are discussed in a🧵⬇️
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"Based on 107 independent observations of the seasonal cycle from 63 #biogeochemical profiling floats, new study conducted by scientists from #NOAA & University of Hawai'i provide the basin-scale estimate of distinct biogenic #CarbonPool production at Southern Ocean."
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Researchers find "significant meridional variability with enhanced #ParticulateOrganicCarbon production in the subantarctic & polar Antarctic sectors & enhanced #DissolvedOrganicCarbon production in the subtropical & sea-ice-dominated sectors."
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Read 8 tweets
🚨🌊NEW PAPER 🌊🚨

"One of the planet’s most vital #CarbonSinks i.e. SOUTHERN OCEAN (SO) (absorbs ~40% of C) is revealing its secrets as tiny organisms in the SO play an outsized role in moderating Earth’s #climate."

Details from the recent research are discussed in a🧵⬇️
1/8 Image
"Based on 107 independent observations of the seasonal cycle from 63 #biogeochemical profiling floats, new study conducted by scientists from #NOAA & University of Hawai'i provide the basin-scale estimate of distinct biogenic #CarbonPool production at Southern Ocean."
2/8 Image
Researchers find "significant meridional variability with enhanced #ParticulateOrganicCarbon production in the subantarctic & polar Antarctic sectors & enhanced #DissolvedOrganicCarbon production in the subtropical & sea-ice-dominated sectors."
3/8 Image
Read 8 tweets
✍️ 𝐖𝐞𝐞𝐤𝐥𝐲 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬 ✍️

Top #CarbonDioxideRemoval News /Scientific papers from the past week covered in a 🧵below: ⬇️
🌱🎛️🪨🌊

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1️⃣ 🌊"Dalhousie receives historic $154‑million investment to study the ocean’s pivotal role in climate change. The 𝐥𝐚𝐫𝐠𝐞𝐬𝐭 𝐫𝐞𝐬𝐞𝐚𝐫𝐜𝐡 𝐠𝐫𝐚𝐧𝐭 in Dalhousie history"!
@planetary_tech

#OceanAlkalinityEnhancement

➡️

2/15
2️⃣ 🚜🌾"The Carbon Business Council (@CO2Council) released a policy brief on #CarbonRemoval and the #2023FarmBill."

➡️

3/15
Read 15 tweets
🚨NEW PAPER🚨
"A promising solution to nullify the net embodied #GHG emissions of civil infrastructure is the use of C-negative materials for concrete manufacturing. C-neutral coal ash & agriculture/forestry by-products, like #biochar, exhibit a high CO2 uptake potential."
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📝 A lately published paper aimed "to explore the viability of using #biochar as a #CarbonSink and to develop carbon-neutral #concrete with improved performance."
2/8
📉 Experimental findings suggest that "the optimal amount of biochar (1%) slightly improves hydration and mechanical properties, but the combination with mineral additives significantly enhances the performance."
3/8
Read 8 tweets
There’s a gaping (loop)hole in #climate reporting, calculations & countermeasures—#BlueCarbon!

Must finally put #Seabed #CarbonSink on agenda for #COP26...

Here too #China leads world in #carbon damage—by far.

Time for accountability on #RoadToGlasgow!

foreignpolicy.com/2021/09/10/chi…
#Ocean covers 71% of world’s surface..<10% mapped w/ modern sonar.

Salt marshes, mangroves, seagrass beds & ultra-deep abyssal #seabed absorb large quantities of #CO2 from atmosphere & balancing critical #climate systems.

Disrupting risks grave & potentially irreversible harms
.@Nature: “#marine sediments are the largest pool of organic #carbon on the planet.”

Est. vol. ~7 trillion metric tons—>3X cumulative anthropogenic #CO2 emissions since 1750.

Bottom trawl #fishing & #seabed mining—both #PRC-led—risk damaging disruption.

foreignpolicy.com/2021/09/10/chi…
Read 25 tweets

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