Flume experiments show that a self-reinforcing cycle can strengthen the currents responsible for transporting large amounts of sediment to the deep oceans.
Oceans
Posted inEditors' Highlights
Radionuclide Data from GEOTRACES Improve Particle Flux Estimates
New measurements of multiple radionuclides in the Atlantic Ocean offer a robust constraint on the sinking flux of particles and associated vertical fluxes of biogeochemically important elements.
Posted inScience Updates
Scientists Invited to Collaborate in Satellite Mission’s Debut
The Surface Water and Ocean Topography mission will begin by scanning Earth’s surface once a day. We invite ocean scientists to contribute ground-based measurements to compare with the satellite data.
Posted inEditors' Highlights
A Comprehensive Estimate on the Entropy Budget in the Ocean
An analysis of the energy budget in the ocean estimates the Carnot work to be 110 terawatts and the ocean’s Carnot efficiency to be 0.86%.
Posted inAGU News
Nicklas G. Pisias Receives 2018 Maurice Ewing Medal
Nicklas G. Pisias was awarded the 2018 Maurice Ewing Medal at the AGU Fall Meeting Honors Ceremony, held on 12 December 2018 in Washington, D. C. The medal is for “significant original contributions to the ocean sciences.”
Posted inFeatures
Interpreting Mosaics of Ocean Biogeochemistry
Advances in technology and modeling capabilities are driving a surge in progress in our understanding of how ocean ecosystems mix and mingle on medium to small scales.
Posted inNews
Ocean Science Decade Comes at Time of Precarious Decline
The UN-endorsed decade from 2021 to 2030 promises to advance ocean science and sustainable use of the oceans and reverse the decline in the health of the oceans.
Posted inScience Updates
Sustainable Observations of Plankton, the Sea’s Food Foundation
Workshop on Developing an Implementation Plan for a Sustained, Multidisciplinary Global Observing System of Plankton Communities; Santa Cruz, California, 25–27 June 2018
Posted inEditors' Highlights
New Definition of Potential Spicity by the Least Square Method
A thermodynamic function of the potential spicity is defined and it is orthogonal to the potential density in the least square sense.
Posted inEditors' Vox
Potential Spicity: From Abstract Theory to Practical Application
A method for estimating potential spicity, a thermodynamic variable in oceanography, provides a new way to describe contrasts in watermass properties.