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J. Sprintall

Editor, GRL

Map of the Southern Ocean showing the flux of carbon dioxide determined from the USV measurements during the 196-day circumnavigation of Antarctica
Posted inEditors' Highlights

Robot Measures Air-Sea Carbon Dioxide Exchange in Southern Ocean

by J. Sprintall 22 February 202117 August 2022

Unique air and ocean surface observations of the Southern Ocean from a 22,000 km, 196-day circumnavigation around Antarctica by an Uncrewed Surface Vehicle.

Map showing sea surface salinity response to Hurricane Irma in 2017
Posted inEditors' 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
Posted inEditors' 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.

Plot showing a time series of the sand content determined from two paleo sediment cores in Eastern Canada
Posted inEditors' Highlights

Abrupt Climate Shifts Change the Latitudes of Storm Activity

by J. Sprintall 2 November 202010 February 2023

A new 6500-year construction of storms combined with other paleo-storm records finds abrupt changes in the Atlantic Ocean circulation impact the latitudinal preference of storm activity.

Map showing location of four temperature sensors that detected warming trends in the Argentine Basin of the South-west Atlantic Ocean
Posted inEditors' Highlights

The Deepest Layers of the South-West Atlantic Ocean are Warming

by J. Sprintall 30 October 202015 November 2021

A unique temperature time series observed over the past decade in the bottom layers of the south-west Atlantic Ocean shows significant variability with long-term warming trends.

Map showing observed trends and climatology of the sea surface temperature gradients in the global ocean over the period 1982-2018
Posted inEditors' Highlights

Ocean Gyres Observed to Move Poleward

by J. Sprintall 14 April 202024 October 2022

Basin-wide ocean gyres have been observed to be slowly migrating toward the poles and, although natural variations contribute, climate simulations suggest the shift is in response to global warming.

Posted inEditors' Highlights

Arctic Coast Erosion Linked to Large-Scale Climate Variability

by J. Sprintall 10 April 202015 November 2021

Changes in rates of Arctic coastal erosion detected from multi-decadal measurements are attributed to the shorter duration in the winter sea ice coverage and large-scale changes in the wind patterns.

Charts showing ENSO cycles
Posted inEditors' Highlights

Oceanic Mixing Influences Development of ENSO Cycle

by J. Sprintall 7 February 202016 September 2022

Changes in oceanic turbulence act to regulate the sea surface temperature during the evolution of the El Niño Southern Oscillation cycle.

Graph showing temperatures in four different depth layers over time
Posted inEditors' Highlights

CAT Pictures of Internal Solitary Waves in Indonesian Strait

by J. Sprintall 7 October 201927 January 2023

Huge and rapid subsurface temperature changes associated with propagating internal solitary waves were observed from a moored coastal acoustic tomography (CAT) system in Lombok Strait in Indonesia.

Posted inEditors' Highlights

Distinguishing Pacific and Atlantic Contributions to the Arctic

by J. Sprintall 18 April 201912 January 2022

A semi-conservative tracer combining nitrate and dissolved oxygen is more accurate than traditional tracers in distinguishing between Atlantic and Pacific water mass contributions to the Arctic.

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