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@geoengineering1

🚨NEW STUDY🚨

🌊 For the first time researchers used “lab and wind-wave tank experiments to prove the concept of using Mg(OH)2 for the #OceanAlkalinityEnhancement and #CarbonDioxideRemoval approach (OAE-CDR).”

🧵1/7

🌊 Experiment results showed “up to 370 μmol kg−1 seawater total alkalinity (TA) increase without precipitation, stable enhanced TA, and OAE-CDR efficiency (ΔDIC/ΔTA) consistent with theoretical calculation.”
2/7

🌊 Based on the experimental results, scientists involved in this study calculated “the global Mg(OH)2 OAE-CDR efficiency and #CO2Sink from this approach.”
3/7

Read 7 tweets

Geoengineering Info

@geoengineering1

🚨NEW STUDY🚨

Recent analysis published in @naturesustainab “use #biogeochemical simulations to show that restoration of the marine ecosystems can lead to permanent #CO2Removal by driving #OceanAlkalinityEnhancement & atmosphere-to-ocean #CO2Fluxes.”

Key findings in a🧵⬇️
1/12

Findings of this study suggest that “restoring mangroves, which are common in tropical shallow marine settings, will lead to notable local #OceanAlkalinityEnhancement across a wide range of scenarios.”
2/

“The process is seagrass & mangroves influence the organic & inorganic cycling of C in sediment, with strong impacts on diffusive #alkalinity fluxes. In carbonate-rich sediment, seagrass & mangroves foster carbonate dissolution, resulting in increased alkalinity production...
3/

Read 12 tweets

Geoengineering Info

@geoengineering1

✍️ 𝐖𝐞𝐞𝐤𝐥𝐲 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬 ✍️

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

1/15

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

➡️

https://twitter.com/DalhousieU/status/1651959710671667200?t=6PkNCj3bYssoC6kxAHF77A&s=19

2/15

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

➡️

https://twitter.com/CO2Council/status/1653373559501103104?t=ZREMaK4_7sC3kq1MzP480A&s=19

3/15

Read 15 tweets

Geoengineering Info

@geoengineering1

🚨𝐅𝐨𝐫 #𝐂𝐃𝐑 𝐅𝐨𝐥𝐤𝐬!🚨
ICYM any recent developments in the field of #CarbonDioxideRemoval published btw 𝐉𝐚𝐧𝐮𝐚𝐫𝐲 𝟐𝟎𝟐𝟑 & 𝐀𝐩𝐫𝐢𝐥 𝟐𝟎𝟐𝟑, here are links to (in🧵⬇️) all pertinent research papers, news articles, reports, thesis, event recordings, & podcasts ⬇️

📆 𝐀𝐏𝐑𝐈𝐋

🚨🆕🌱 rb.gy/zcw3p

🌱 rb.gy/dz7ea

🌱 rb.gy/ydck8

🌱 rb.gy/vn7g9

🌱 rb.gy/0rojj

2/6

📅 𝐌𝐀𝐑𝐂𝐇

🌱 rb.gy/1zjyz

🌱 rb.gy/2v54b

🌱 rb.gy/h1jwn

🌱 rb.gy/v1tmu

3/6

Read 6 tweets

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@geoengineering1

📝💡 𝐖𝐞𝐞𝐤𝐥𝐲 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬💡📝
Here's is your roundup of top #CarbonDioxideRemoval News Articles / Scientific Papers from the past week: 🌱🪨🎛️🌊

🧵
1/14

1️⃣ #CarbonRemoval Policy Tracker launched by @CarbonGap to explore Europe’s #CDR #DAC #BECCS policy landscape & pilots.🌱🎛️

➡️

https://twitter.com/CarbonGap/status/1650742351730548736?t=-xnjE_-sSfTMkF6E9B-wrA&s=19

2/14

2️⃣ ✍️ @fionaharvey's recent blog post explored the contentious issue related to #CarbonDioxideRemoval technologies.📰

➡️

https://twitter.com/hausfath/status/1650958139792162816?t=KgOHBE0qJsq_PbTEw2GPcg&s=19

3/14

Read 14 tweets

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@geoengineering1

🚨𝐑𝐄𝐕𝐈𝐄𝐖 𝐏𝐀𝐏𝐄𝐑🚨

"The recent review article discusses the basic operation of the marine #CarbonCycle & 2 #mCDR methods that are "thought to offer the greatest potential in terms of #CDR mass:
🌊#OceanIronFertilization
&
🌊#OceanAlkalinityEnhancement."

🧵
1/14

Various conclusions were drawn in the review which are enlisted below:

1️⃣ "The alkalinity of the ocean creates a massive increase in the ocean’s capacity to #store #carbon, relative to a scenario without #OceanAlkalinity."
2/14

2️⃣ "Ocean warming causes decreases in both #CO2 #solubility and the Revelle factor (B), which make the ocean less efficient at #absorbing CO2."
3/14

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Geoengineering Info

@geoengineering1

📝💡 𝐖𝐞𝐞𝐤𝐥𝐲 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬💡📝
Here's is your roundup of top #CarbonDioxideRemoval News Articles / Scientific Papers from the past week: 🌱🪨🎛️🌊
🧵

1/16

1️⃣ @ebbcarbon raises $20 million Series A, "the largest #investment in ocean-based #CarbonRemoval technology to date." 🌊

➡️

https://twitter.com/ebbcarbon/status/1649020090472333312?t=7QDASheRoCLpTEMCHxtWlA&s=19

2/16

2️⃣ @running_tide announced its initial Framework Protocol for #OceanCarbonRemoval. "This is the first carbon removal project utilizing a “fast-to-slow” framework for carbon removal accounting." 🌊

➡️

https://twitter.com/running_tide/status/1648676775776354304?t=LueRJFufXa-qkiJO5aORBA&s=19

3/16

Read 17 tweets

Geoengineering Info

@geoengineering1

🚨THESIS🚨
An analysis of published data exploring the effects of high pH on #phytoplankton growth rate & experimental assessment of pH dependence of viability & growth rate was used in a "lately published thesis" to assess potential impacts of #OceanAlkalinityEnhancement.
🧵
1/4

📉 The results from this study suggest that there will be no significant impact on the viability or growth rates of Thalassiosira pseudonana or Pavlova lutheri with short-term (10-minute) exposure to elevated #pH.
#OAE
2/4

However, when long-term (days) exposure occurs there is a significant decrease in growth rates with high pH. Short-term exposure is predicted to more closely mirror the natural systems in which #OAE will be implemented because of system flushing & replenishment of nutrients.
3/4

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