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Climate variability

Sea ice off the coast of Antarctica
Posted inResearch Spotlights

South Pole Ice Core Reveals History of Antarctic Sea Ice

by Elizabeth Thompson 12 May 202126 October 2021

Every summer, most of the sea ice near Antarctica melts away, but its saltiness leaves a permanent record that scientists can trace back for millennia.

Maps of the northern (left) and southern (right) hemispheres showing temperature anomalies relative to the 1961–1990 mean for the month of August 2016 using an alternative gridding method
Posted inEditors' Highlights

New Land Surface Air Temperature Global Dataset

by Minghua Zhang 17 March 202115 March 2021

The fifth major update of land surface air temperature data from the Climatic Research Unit and the Met Office has extended the time series, included more stations, and used better processing methods.

Two charts comparing annual global average temperature anomaly series relative to 1961–1990 (top) and 1850–1900 (bottom)
Posted inEditors' Highlights

New Global Surface Temperature Dataset Spans 170 Years

by Minghua Zhang 8 March 20219 March 2021

HadCRUT5, the new version of the Met Office Hadley Centre/Climatic Research Unit global surface temperature dataset from 1850 to 2018, has extended and improved the previous temperature record.

Chart comparing the maximum relative error obtained from various millennia long CMIP models using different estimation techniques.
Posted inEditors' Highlights

New Technique to Estimate Climate Sensitivity

by Suzana Camargo 3 February 202129 January 2021

Climate sensitivity can be estimated using multiple variables jointly in a multi-component linear regression.

World map with dots showing the center locations of landfalling droughts that occurred between 1979 and 2018
Posted inEditors' Highlights

The Ocean-Land Connection of Droughts

by Marc F. P. Bierkens 12 October 20209 October 2020

Around 16 percent of large-scale droughts over land originate above the ocean and these types of droughts are more extensive and severe than droughts that originate over land.

A cloudy mountain scene in southern France
Posted inResearch Spotlights

Regional Sensitivities Strongly Affect Modeled Climate Extremes

by David Shultz 22 September 2020

Analysis of temperature and precipitation extremes in two generations of CMIP climate models revealed similarities in regional climate sensitivities, contrasting with divergent global sensitivities.

Chart showing the northward propagation of the moisture transport supplied by the East Asian summer monsoon between 1961 and 2017
Posted inEditors' Highlights

Meiyu: The Dragon Dictating Rainfall Variability in East Asia

by Z. Li 13 July 202027 June 2020

According to Chinese myth, rain is water poured out of a dragon; in reality is the Meiyu that dictates rainfall in eastern Asia, producing rain belts jumping from south in spring to north in summer.

Photo of Hurricane Isabel taken from the International Space Station, 2003
Posted inEditors' Vox

Is Climate Variability Organized?

by C. L. E. Franzke and N. Yuan 11 June 2020

Most climate variability is organized by a simple principle—scaling laws—allowing us to understand past and future climate change.

Map of South Asia showing population exposure to accumulated relative intensity in the decade around 2050 under a high emissions climate change scenario relative to the decade around 2000.
Posted inEditors' Highlights

Health Concerns from Combined Heat and Pollution in South Asia

by D. Wuebbles 24 April 2020

Little research has studied the impacts of combined climate conditions. Together, heat events and poor air quality in South Asia amplify the imminent health challenge.

The Ross Ice Shelf
Posted inNews

Drilling into the Past to Predict the Future

by D. Williams 17 September 2019

Climate change is at the center of a remarkable international drilling operation into Antarctica’s Ross Ice Shelf.

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From AGU Journals

MOST SHARED
Geophysical Research Letters
“Thermal and Illumination Environments of Lunar Pits and Caves: Models and Observations from the Diviner Lunar Radiometer Experiment”
By Tyler Horvath et al.

HIGHLY CITED
JGR Space Physics
“NRLMSISE-00 empirical model of the atmosphere: Statistical comparisons and scientific issues”
By J. M. Picone et al.

HOT ARTICLE
JGR Biogeosciences
“Cyanobacteria and Algae Meet at the Limits of Their Habitat Ranges in Moderately Acidic Hot Springs”
By Kristopher M. Fecteau et al.


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