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tropics

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?

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

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 202225 January 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.

Satellite image showing parts of Africa, North America, and South America, as well as several tropical storm systems over the Atlantic Ocean.
Posted inResearch Spotlights

Linking African Winds to Atlantic Storms

by Sarah Stanley 7 December 20226 January 2023

Simulations suggest that waves in the atmosphere above northern Africa influence the intensity, timing, and location of formation of Atlantic tropical cyclones.

Mist permeates a lush rain forest in Tanzania
Posted inNews

Monitoring Moisture from Afar

by Danielle Beurteaux 12 October 202212 October 2022

Undisturbed tropical rain forests are experiencing more frequent droughts, but the ecosystems are isolated and difficult to assess. Scientists are using remote sensing to expand the depth and scope of monitoring efforts.

Aerial view of a large wetland area, with part of an airplane wing in the foreground
Posted inResearch Spotlights

Tropical Wetlands Emit More Methane Than Previously Thought

by Rachel Fritts 13 September 20225 October 2022

Climate models could be vastly underestimating methane emissions from the world’s tropical wetlands, according to observational surveys of wetlands in Zambia.

Posted inEditors' Highlights

Why Does It Rain So Much Over Tropical Land?

by Nicolas Gruber 12 September 202220 December 2022

Analyses of observations show that tropical land receives more rain than its fair share, owing to a proposed negative feedback that is not captured in current climate models.

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