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tropics

Green ocean mixed with blue close to a brown land
Posted inNews

More Than Half the World’s Ocean Surface Is Getting Greener

by Meghie Rodrigues 22 August 202322 August 2023

Advances in data analysis help researchers spot shifting ocean colors, which could be associated with climate change.

Graphs from the paper
Posted inEditors' Highlights

A 150-Day Periodicity is Revealed in the Southern Extratropics

by Sarah Kang 12 June 20238 June 2023

An internally generated 150-day periodicity is newly identified in the Southern Hemisphere extratropical large-scale atmospheric circulation, which arises from the annular mode’s propagating regime.

Green grape plants grow in neat rows on light brown soil. Interspersed trees and buildings line the background.
Posted inNews

New Forecasting Tool Could Help Indian Farmers Plan Irrigation

Rishika Pardikar, Science Writer by Rishika Pardikar 18 May 202318 May 2023

Tropical weather is unpredictable, but a new tool could help farmers get a better grasp on it.

Two graphs from the paper.
Posted inEditors' Highlights

New Theory Explains Radiative Cooling of the Lower Atmosphere

by Hang Su 17 May 202317 May 2023

The shape of radiative cooling in lower atmosphere is controlled by the lapse rate in the water vapor path according to a new theory and observations from subsidence regimes in the tropical Atlantic.

Diagram and graphs from the paper.
Posted inEditors' Highlights

Non-Linear Climate Response to Tropical Sea Surface Temperatures

by Suzana Camargo 21 March 202320 March 2023

A new study shows the importance of considering non-linear responses to isolated sea surface temperature (SST) changes and the implications for the linear frameworks used to quantify the SST pattern effect.

Schematic representation of the model setup developed in this paper
Posted inEditors' Highlights

Examining Aerosol-Cloud-Climate Interactions at a Large Scale

by Jiwen Fan 7 March 202316 March 2023

A new numerical setup demonstrates that aerosols could affect clouds, and hence the radiation budget, thousands of kilometers from their location.

Tropical trees and ferns growing on a sloped landscape
Posted inResearch Spotlights

How Much Greenhouse Gas Do Tropical Soils Emit?

Sarah Derouin, Science Writer by Sarah Derouin 30 January 202321 February 2023

New research found that tropical soils emit nitrogen mostly as inert dinitrogen rather than as greenhouse gases.

Posted inEditors' Highlights

A Theory of Squall Lines

by Bjorn Stevens 9 January 20239 January 2023

About 50 years ago, vorticity thinking helped unveil basic properties of squall lines. Zhang now provides a closed theory, demystifying one of nature’s most important forms of convective organization.

卫星图像显示了非洲部分地区、北美洲和南美洲,以及大西洋上空的几个热带风暴系统。
Posted inResearch Spotlights

非洲风与大西洋风暴的联系

Sarah Stanley, Science Writer by Sarah Stanley 6 January 20236 January 2023

模拟研究表明,北非上空大气中的波会影响大西洋热带气旋形成的强度、时间和位置。

A 2017 landslide in Freetown, Sierra Leone, killed an estimated 1,100 residents, largely in informal settlements.
Posted inNews

Protecting Poor Neighborhoods from Landslide Risk

by J. Besl 8 December 20221 June 2023

As low-income, informal settlements bloom in the tropics, their risk of landslides increases. A new modeling tool incorporates urbanization factors to protect the region’s poorest neighborhoods.

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By Sarah Derouin

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“Collaboration Helps Overcome Challenges in Air Quality Monitoring”
By Muki Haklay

EDITORS' VOX
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“What We Know and Don’t Know About Climate Tipping Elements”
By Seaver Wang

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