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humidity

一张从地面拍摄的田野土壤照片
Posted inResearch Spotlights

理解土壤湿度的关键可能在于简化

by Saima May Sidik 5 June 20255 June 2025

一个仅考虑降水和地表净辐射的简化模型似乎可以解决长期存在的问题。

A close-up of soil, viewed from the ground and stretching off into the distance
Posted inResearch Spotlights

Simplicity May Be the Key to Understanding Soil Moisture

by Saima May Sidik 23 May 20255 June 2025

A pared-down model that considers only precipitation and net surface radiation seems to solve long-standing problems.

Graphs from the paper.
Posted inEditors' Highlights

Characteristics of Moist Layers over the Tropical Atlantic

by Suzana Camargo 22 November 202420 November 2024

In a new study, characteristics of elevated moist layers, their seasonality, spatial distribution, structure, and the coupling of mid-tropospheric circulation and convection are examined over the tropical Atlantic.

Cars next to an electronic highway sign with an extreme heat warning
Posted inNews

How Sticky Is It Outside?

by Emily Dieckman 10 July 202423 July 2024

Researchers introduce a new variable to quantify the relative contributions of heat and humidity to humid heat.

Two world maps with colors representing the experiments.
Posted inEditors' Highlights

Warming Reduces Relative Humidity Through Soil Moisture 

by Guiling Wang 10 October 202310 October 2023

Relative humidity over land decreases in a warmer climate as a result of interactive soil moisture response.

2 maps with colors to indication data.
Posted inEditors' Highlights

Observing the Impact of Convective Aggregation on Water Vapor

by Sarah Kang 21 September 202321 September 2023

Remote sensing measurements for water vapor isotopic composition enable us to assess how convective aggregation influences the atmospheric hydrological cycle.

Tall buildings, including several shaped like triangles, are densely packed together, and the Sun appears on the horizon in the background.
Posted inNews

Temperature Extremes Hit Lower- and Middle-Income Countries Hardest

Katherine Kornei, Science Writer by Katherine Kornei 8 September 20238 September 2023

Smaller cities in these regions are less likely to have infrastructure to deal with extreme climates.

Graphs from the paper.
Posted inEditors' Highlights

A New Look at the Changing Water Cycle Over Land

by Alessandra Giannini 29 May 202324 May 2023

Whether warming increases or decreases, rain over land depends on the relationship of soil moisture, evaporation, and aridity which shape rain regimes.

Patients lie in rows of beds in a makeshift hospital set up in a sporting venue.
Posted inResearch Spotlights

COVID-19 Got You Feeling Under the Weather? Maybe Blame…the Weather

by Saima May Sidik 29 March 20239 September 2024

High humidity and low temperature altered COVID-19 spread in Brazil, but only slightly.

Posted inEditors' Highlights

The Lower Humidity of Urban Areas Moderates Outdoor Heat Stress

by Donald Wuebbles 31 October 202212 December 2022

Data scarcity of traditional observations cannot reveal whether surface temperature capture the potential for urban heat stress. This study improves the dataset with 40,000 citizen weather stations.

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