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carbon dioxide

A fluxbot, a small white box containing wires and a piece attached with duct tape. A solar panel is next to it.
Posted inNews

Affordable Robots Measure Soil Respiration

by Emily Dieckman 8 December 20238 December 2023

Measuring soil carbon flux, also known as soil respiration, can be expensive or time-consuming. A set of affordable robots that gather these data autonomously could especially benefit the Global South.

Visualization of the Kuroshio current.
Posted inEditors' Highlights

Nutrients at Depth Can Be Uplifted by the Kuroshio Large Meander

by Takeyoshi Nagai 8 December 20238 December 2023

Aperiodic, southward deflection of the Kuroshio, a.k.a. the Kuroshio large meander, uplifts the nutrients in deep layers to induce offshore phytoplankton bloom.

Diagram from the study.
Posted inEditors' Highlights

Urban Greening Could Help Achieve Carbon Neutrality Goals

by Jiwen Fan 6 December 20235 December 2023

A new modeling framework highlights that urban greening is a sustainable solution to achieve environmental co-benefits in mitigating heat and carbon emissions.

Illustration of vertical nutrient and organic carbon profiles.
Posted inEditors' Vox

Ocean Deserts Could Help Capture CO2 and Mitigate Global Warming

by Minhan Dai, Ya-Wei Luo, Hongyang Lin, Eric P. Achterberg, Thomas J. Browning, Matthew J. Church, Zhongping Lee and Wei-Lei Wang 1 December 20234 December 2023

Various nutrient sources in the upper waters of oceanic subtropical gyres, which are the Earth’s largest oligotrophic ecosystems, play a crucial role in governing the sequestration of atmospheric CO2.

Sedimentary rocks exposed to weathering
Posted inNews

Weathering of Rocks Can Release Carbon Dioxide

Rachel Crowell, Science Writer by Rachel Crowell 28 November 202329 November 2023

New research upends the notion that the weathering of rocks mainly removes CO2 from the atmosphere. Rocks can also be carbon sources, releasing as much CO2 as Earth’s volcanoes.

A man wearing a blue life vest stands knee deep in water to collect a water sample downstream of the large glacier in the background.
Posted inResearch Spotlights

Measuring Carbon’s Flow from Land to Sea

by Rebecca Owen 21 November 202321 November 2023

A new study catalogs how dissolved inorganic carbon moves through southeast Alaska’s waterways.

Diagram from the paper with graphs connected to locations on a world map.
Posted inEditors' Highlights

A Crystal Ball for the Carbon Cycle, But a Cloudy One

by David S. Schimel 14 November 202314 November 2023

Carbon cycle models quantify relationships between emission scenarios and resulting atmospheric concentrations, but are the projections credible? New analyses find grounds for both hope and concern.

A map of what Pangea Ultima, which should form in about 250 million years, will look like
Posted inNews

Future Supercontinent Will Be Inhospitable for Mammals

by Rebecca Owen 8 November 20238 November 2023

Pangea returns in 250 million years, and it’s not looking good for us.

Thick rain clouds float over the top of the snowcapped Himalayas.
Posted inResearch Spotlights

Carbon Dioxide’s Effect on Mountain Climate Systems

Sarah Derouin, Science Writer by Sarah Derouin 7 November 20238 November 2023

Greenhouse gases are rising in the atmosphere. But how will precipitation patterns change as climate systems rise over mountain chains?

A river in Iceland seen from above
Posted inResearch Spotlights

Gently Down the Stream: Carbon’s Journey from Land to Sea and Beyond

by Nathaniel Scharping 6 November 20237 November 2023

Movement of carbon from land to ocean and atmosphere plays an important, but understudied, role in the global carbon cycle.

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