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radiation

Simulation results showing the effective dose in mSv/year as a function of depth beneath the Martian surface.
Posted inEditors' Highlights

Life on Mars? Estimating Radiation Risks for Martian Astronauts

by Andrew Poppe 19 April 202214 April 2022

New research suggests that to minimize radiation risk for human exploration of Mars, astronauts will need to dig deep for safety.

Figure 4 from the paper
Posted inEditors' Highlights

El Niño-Southern Oscillation and Radiation Two-Way Coupling

by Suzana Camargo 9 February 202215 March 2022

Changes in sea surface temperature during ENSO events and radiation are related, suggesting a two-way coupling between sea surface temperature and radiation in coupled climate variability.

Set of four maps showing condensed water path, frozen moist static energy anomaly, longwave heating anomaly, and shortwave heating anomaly from the 300 K sea surface temperature simulation at day 100.
Posted inEditors' Highlights

Importance of High Clouds and Moisture in Rainstorm Aggregation

by Jiwen Fan 21 October 202115 October 2021

A study of the impacts of radiative interactions with different cloud types on aggregation of rainstorms finds that interactions with high-clouds and water vapor are key.

Two graphs showing monthly mean multi-model mean shortwave flux biases over ocean and land.
Posted inEditors' Highlights

AeroCom Models Improved with Aerosol and Albedo Constraints

by Jiwen Fan 20 October 202115 October 2021

Satellite data has been used to correct the aerosol loading and land surface albedo in several AeroCom models, which has improved shortwave flux biases between models and observations.

A new population of highly energetic ions has been discovered at midlatitudes within the inner edge of Jupiter’s relativistic electron belt.
Posted inResearch Spotlights

Juno Detects Jupiter’s Highest-Energy Ions

by Morgan Rehnberg 17 June 202127 January 2022

Trapped ions discovered at midlatitudes can have energies exceeding 100 megaelectron volts per nucleon. Their detection adds to our understanding of the powerful radiation environment around Jupiter.

An enormous stellar flare erupts from Proxima Centauri in this artist’s representation.
Posted inNews

Record-Setting Flare Spotted on the Nearest Star to the Sun

by Katherine Kornei 24 May 202128 April 2022

Proxima Centauri recently let loose a blast of radiation, and ground- and space-based telescopes detected the record-setting event at wavelengths ranging from radio to the ultraviolet.

Plot showing modelled radiation exposures for aircrew and passengers on seventy Paris to New York flight paths if a severe radiation storm had started four hours after take-off of each flight.
Posted inEditors' Highlights

Severe Radiation Storms Pose Health Risk to Air Travel

by Michael A. Hapgood 21 May 20212 February 2022

Simulations of radiation storm fluxes on real flight paths highlight how severe space weather could expose aircrew and passengers on busy transatlantic routes to significant radiation doses.

Black-and-white image of Navajo mine workers at a uranium mine
Posted inNews

Pensando en el Zinc: Mitigando la Exposición al Uranio en la Nación Navajo

by R. Mazumdar 9 October 20205 October 2021

En un innovador ensayo clínico se estudia el impacto del zinc en la mitigación de los efectos sobre la salud relacionados con la minería de uranio. Éste se lleva a cabo mediante la “participación bidireccional” entre los Navajos y las comunidades médicas.

Black-and-white image of Navajo mine workers at a uranium mine
Posted inNews

Thinking Zinc: Mitigating Uranium Exposure on Navajo Land

by R. Mazumdar 29 July 20206 January 2022

An innovative clinical trial uses “two-way participation” between Navajo and medical communities to study the impact of zinc on mitigating health effects associated with uranium mining.

A woman outfitted in climbing gear stands on a dirty glacier.
Posted inNews

Podcast: A Nuclear Legacy Buried in Ice

by N. Bompey 18 November 201928 February 2022

The radioactive remains of nuclear testing during the Cold War and from nuclear disasters like Chernobyl are still with us and can be found in some of the remotest glaciers on Earth.

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