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carbon cycle

Microbes live in hydrothermal systems like this one on the East Pacific Rise.
Posted inResearch Spotlights

Hydrothermal Vents May Add Ancient Carbon to Ocean Waters

Sarah Stanley, Science Writer by Sarah Stanley 7 July 202116 February 2023

Data from a long-distance research cruise provide new insights into carbon cycling in the eastern Pacific and Southern Oceans.

Muchos ecosistemas a lo largo de América Latina no están representados por las redes de observatorios ambientales.
Posted inResearch Spotlights

Las brechas en las redes ambientales en América Latina

Kate Wheeling, freelance science writer by Kate Wheeling 25 June 20216 March 2023

A pesar de su notable influencia en los ciclos globales del carbono y el agua, América Latina representa una proporción relativamente pequeña de sitios FLUXNET, lo que limita la representatividad de la red en la región.

OFP traps being recovered and deployed
Posted inResearch Spotlights

Particles at the Ocean Surface and Seafloor Aren’t So Different

by Jack Lee 10 June 202127 September 2022

Despite occurring on different scales, flux measurements throughout the water column share log-normal probability distributions.

Thawing permafrost on various peatlands in Alaska
Posted inResearch Spotlights

How Much Carbon Will Peatlands Lose as Permafrost Thaws?

Elizabeth Thompson by Elizabeth Thompson 3 June 20219 December 2021

How much carbon peatlands may lose—or accumulate—in the future varies from place to place, according to a process-based model.

Close-up of a chain of salps
Posted inNews

Species of Feces Help Phytoplankton Feed Itself

Katherine Kornei, Science Writer by Katherine Kornei 2 June 202118 January 2023

The unicellular plants more readily take up iron in the presence of salp feces than in krill feces, an experiment in Antarctica reveals.

Two maps of North America showing patterns of CO2 uptake by photosynthesis during the growing season based on two different models of atmospheric CO2 variations.
Posted inEditors' Highlights

How Do Croplands Reduce CO2 During the Growing Season?

by Susan Trumbore 20 May 202123 March 2023

Regional variations in the seasonal drawdown of atmospheric CO2 can be used as a benchmark for evaluating models and satellite-derived estimates of land carbon uptake.

海洋混合和洋流的相互作用决定了氧气的可用性,并决定了使用的方式和时机。
Posted inResearch Spotlights

追踪马尾藻海18度海水中的氧气

by David Shultz 14 May 202122 December 2021

生物地球化学浮子为北大西洋的海洋混合和氧气运动提供了更好的图像。

Plots showing probability distributions derived from measurements of 14C in long-chain fatty acids
Posted inEditors' Highlights

A 2700-year Record of Permafrost Thaw Sensitivity to Climate

by Susan Trumbore 5 May 20219 December 2021

Changes in the 14C ages of carbon and biomarkers deposited at the mouth of a river draining a permafrost watershed track responses of regional thaw depth to past warming and cooling.

Ocean mixing and the interaction of currents govern oxygen availability and determine how and when it’s used.
Posted inResearch Spotlights

Tracking Oxygen in the Sargasso Sea’s 18 Degree Water

by David Shultz 15 April 202122 December 2021

Biogeochemical floats provide an improved picture of ocean mixing and oxygen movement in the North Atlantic Ocean.

拉丁美洲的许多生态系统未能被环境观测网所代表
Posted inResearch Spotlights

拉丁美洲环境观测网络的缺口

Kate Wheeling, freelance science writer by Kate Wheeling 15 April 20216 March 2023

尽管拉丁美洲对全球碳和水循环具有显著影响,但其在FLUXNET站点中所占的比例相对较小,这限制了该观测网络在该地区的代表性。

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