GeoRoundup: the highlights of EGU Journals published during December!

GeoRoundup: the highlights of EGU Journals published during December!

Each month we feature specific Divisions of EGU and during the monthly GeoRoundup we put the journals that publish science from those Divisions at the top of the Highlights roundup. For December, the Divisions we are featuring are: Cryosphere (CR), Nonlinear Processes in Geoscience (NP) and Soil System Science (SSS). They are served by the journals: Biogeosciences (BG), Earth Surface Dynamics (ESurf), Geoscientific Instrumentation, Methods and Data Systems (GI), Geoscientific Model Development (GMD), Hydrology and Earth System Sciences (HESS), Natural Hazards and Earth System Sciences (NHESS), Nonlinear Processes in Geophysics (NPG), Solid Earth (SE), SOIL, The Cryosphere (TC) and Weather and Climate Dynamics (WCD).

Featured highlights


Contrasting drought legacy effects on gross primary productivity in a mixed versus pure beech forest – 2 December 2022

Identifying drought legacy effects is challenging because they are superimposed on variability driven by climate conditions in the recovery period. We develop a residual-based approach to quantify legacies on gross primary productivity (GPP) from eddy covariance data. The GPP reduction due to legacy effects is comparable to the concurrent effects at two sites in Germany, which reveals the importance of legacy effects. Our novel methodology can be used to quantify drought legacies elsewhere.

Observation-constrained estimates of the global ocean carbon sink from Earth system models – 9 December 2022

Estimates of the ocean sink of anthropogenic carbon vary across various approaches. We show that the global ocean carbon sink can be estimated by three parameters, two of which approximate the ocean ventilation in the Southern Ocean and the North Atlantic, and one of which approximates the chemical capacity of the ocean to take up carbon. With observations of these parameters, we estimate that the global ocean carbon sink is 10% larger than previously assumed, and we cut uncertainties in half.


Natural Hazards and Earth System Sciences:

Progress and challenges in glacial lake outburst flood research (2017–2021): a research community perspective – 12 December 2022

Glacial lake outburst floods (GLOFs) have attracted increased research attention recently. In this work, we review GLOF research papers published between 2017 and 2021 and complement the analysis with research community insights gained from the 2021 GLOF conference we organized. The transdisciplinary character of the conference together with broad geographical coverage allowed us to identify progress, trends and challenges in GLOF research and outline future research needs and directions.



Other highlights

Atmospheric Chemistry and Physics:

Cloud adjustments from large-scale smoke–circulation interactions strongly modulate the southeastern Atlantic stratocumulus-to-cumulus transition – 14 December 2022


Climate of the Past:

Shallow marine carbonates as recorders of orbitally induced past climate changes – example from the Oxfordian of the Swiss Jura Mountains – 5 December 2022


Ocean Science:

Hydrography, circulation, and response to atmospheric forcing in the vicinity of the central Getz Ice Shelf, Amundsen Sea, Antarctica – 7 December 2022


EGU science in the news – December 2022

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Hazel Gibson is Head of Communications at the European Geosciences Union. She is responsible for the management of the Union's social media presence and the EGU blogs, where she writes regularly for the EGU's official blog, GeoLog. She has a PhD in Geoscience Communication and Cognition from the University of Plymouth in the UK. Hazel tweets @iamhazelgibson.

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