Monthly news from EGU: Award nominations, new conference series (May 2018)
- EGU news
- 30 May 2018
The May 2018 edition of the EGU email newsletter, the monthly information service for Union members, is now available.
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HESS article most cited source on Wikipedia
- EGU news
- 9 May 2018
A paper published in the EGU/Copernicus journal Hydrology and Earth System Sciences back in 2007 on global climate zones has been named the most cited source on Wikipedia, referenced more than 2.8 million times.
ESD Ideas – Earth System Dynamics journal launches new manuscript type
- EGU news
- 27 April 2018
The EGU/Copernicus journal Earth System Dynamics (ESD) is launching a new article format – ESD Ideas – for highly innovative scientific ideas. The format invites the publication of exciting and well-founded scientific ideas without a comprehensive analysis of all of its aspects.
Monthly news from EGU: EGU 2018 highlights (April 2018)
- EGU news
- 26 April 2018
The April 2018 edition of the EGU email newsletter, the monthly information service for Union members, is now available.
Solid Earth website relaunched
- EGU news
- 16 April 2018
The website of the EGU/Copernicus open-access journal Solid Earth was relaunched with a new design during the EGU General Assembly last week. In addition, the former chief executive editor Fabrizio Storti stepped down. His successor is CharLotte Krawczyk who has been an executive editor since 2015.
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Acoustic mapping of mixed layer depth
- Ocean Science
- DOI 10.5194/os-14-503-2018
- 22 June 2018
The ocean surface mixed layer depth (MLD) is an important parameter within several research disciplines, as variations in the MLD influence air–sea CO2exchange and ocean primary production. A new method is presented in which acoustic mapping of the MLD is done remotely by means of echo sounders. This method allows for observations of high-frequency variability in the MLD, as horizontal and temporal resolutions can be increased by orders of magnitude compared to traditional in situ measurements.
New high-frequency (7–12 kHz) quasi-periodic VLF emissions observed on the ground at L ∼ 5.5
- Annales Geophysicae
- DOI 10.5194/angeo-36-915-2018
- 21 June 2018
We reveal previously unknown quasi-periodic (QP) VLF emissions at the unusually high-frequency band of ~ 7–11 kHz by applying the digital filtering of strong sferics to the ground-based VLF data recorded at Kannuslehto station (KAN). In one event, the spectral–temporal forms of the emissions looked like a series of giantbullets, with very abrupt cessation. In the second event, the modulation period was about 3 min under the absence of the simultaneous geomagnetic pulsations.
Transfer of diazotroph-derived nitrogen to the planktonic food web across gradients of N2 fixation activity and diversity in the western tropical South Pacific Ocean
- Biogeosciences
- DOI 10.5194/bg-15-3795-2018
- 21 June 2018
Biological dinitrogen (N2) fixation provides the major source of new nitrogen (N) to the open ocean, contributing more than atmospheric deposition and riverine inputs to the N supply. Yet the fate of the diazotroph-derived N (DDN) in the planktonic food web is poorly understood. The main goals of this study were (i) to quantify how much of DDN is released to the dissolved pool during N2 fixation and how much is transferred to bacteria, phytoplankton and zooplankton, and (ii) to compare the DDN release and transfer efficiencies under contrasting N2 fixation activity and diversity in the oligotrophic waters of the western tropical South Pacific Ocean.
Climate sensitivity estimates – sensitivity to radiative forcing time series and observational data
- Earth System Dynamics
- DOI 10.5194/esd-9-879-2018
- 21 June 2018
A key question in climate science is how the global mean surface temperature responds to changes in greenhouse gases. This dependency is quantified by the climate sensitivity, which is determined by the complex feedbacks in the climate system. In this study observations of past climate change are used to estimate this sensitivity. Our estimate is consistent with values for the equilibrium climate sensitivity estimated by complex climate models but sensitive to the use of uncertain input data.
Magma oceans
- Geodynamics
- posted 4 hours ago
The Geodynamics 101 series serves to showcase the diversity of research topics and methods in the geodynamics community in an understandable manner. We welcome all researchers – PhD students to professors – to introduce their area of expertise in a lighthearted, entertaining manner and touch upon some of the outstanding questions and problems related to their fields. For our latest ‘Geodynamics 101’ post we will talk about magma oceans! When you think about the Earth a long, long time ago, …
Image of the Week -- Quantifying Antartica’s ice loss
- Cryospheric Sciences
- posted 4 hours ago
It is this time of the year, where any news outlet is full of tips on how to lose weight rapidly to become beach-body ready. According to the media avalanche following the publication of the ice sheet mass balance inter-comparison exercise (IMBIE) team’s Nature paper, Antarctica is the biggest loser out there. In this Image of the Week, we explain how the international team managed to weight Antarctica’s ice sheet and what they found. Estimating the Antarctic ice sheet’s mass …
Give us the foundation to build our transferrable skills!
- GeoLog – EGU official blog
- posted 8 hours ago
The EGU Early Career Scientists’ (ECS) Great Debates offer early career scientists at the EGU General Assembly the chance to network and voice their opinions on important topics in the format of round-table discussions. At the end of the debate, each table delivers a statement that summarises the discussion and recommendations. By publishing the results, we hope to highlight some of the needs of the EGU ECS community and how these matters should be addressed. At this year’s ECS Great …