Geophysical Research Letters Archives - Page 21 of 60

Illustration of the spacecraft of NASA’s Magnetospheric Multiscale mission in space in front of reconnecting magnetic field lines

Spacecraft Reveal New Details of Magnetic Reconnection

by Morgan Rehnberg 15 February 202118 July 2023

Energetic electrons are accelerated directly by magnetic reconnections and can act as tracers of large-scale magnetic field conditions.

View looking down an underground tunnel with various gauges and water sampling equipment visible

Research Spotlights

Earthquakes Can Acidify Groundwater

by Aaron Sidder 10 February 202113 January 2022

Fracturing during microearthquakes can cause groundwater pH drops. The change is temporary but can be equivalent to the difference between water and vinegar.

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

Editors' Highlights

New Technique to Estimate Climate Sensitivity

by Suzana Camargo 3 February 202122 February 2023

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

Satellite image showing Hurricane Dorian over the Bahamas in 2019

Research Spotlights

Untangling Drivers of Ancient Hurricane Activity

by Aaron Sidder 29 January 202126 October 2022

Individual paleohurricane records extracted from the sediments of storm-battered islands do not clearly implicate climate as having shaped hurricane frequency over the past millennium.

Plot showing measured magnetic field on Juno as a function of frequency and time on 29 May 2019

Editors' Highlights

Radio on Jupiter, Brought to You by Ganymede

by Andrew Yau 25 January 202127 January 2022

Another first from NASA’s Juno spacecraft: the detection of Jupiter radio emissions influenced by the moon Ganymede, over a range of about 250 kilometers in the polar region of Jupiter.

Map showing sea surface salinity response to Hurricane Irma in 2017

Editors' Highlights

Hurricanes Wakes Show Asymmetrical Response in Ocean Salinity

by J. Sprintall 21 January 20211 February 2023

It’s well known that hurricanes can substantially impact ocean surface temperature, but a new study shows they can also induce an ocean salinity response in unexpected ways.

Plot showing volume transport changes in the AMOC and ITF in response to an abrupt quadrupling of carbon-dioxide occurring in year 0

Editors' Highlights

What Causes Centennial Changes in the Indonesian Throughflow?

by J. Sprintall 11 January 202112 January 2022

Transient long-term changes in the strength of the Indonesian Throughflow are unexpectedly linked to circulation changes in the remote high-latitude North Atlantic.