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Seismic Sensors in Orbit
A cross-disciplinary, gold open access journal publishing full length, high-impact research articles across all of the Earth and space sciences. Submit your research.
AGU Advances’ second issue again illustrates the breadth of the science we publish, with wide-ranging research articles: the future health concerns under combined warming and poor air quality, extrapolating geomorphology from Earth to estimate how long rivers on Mars took to form, explaining why the surface Southern Ocean is warming less rapidly, and how a volcanic eruption slowed the ocean’s uptake of carbon in the early 1990s. One commentary explains how seismology observed with Saturn's rings allows researchers to make inferences about its deep planetary structure, and another warns against reliance on computational power to the exclusion of underlying theory.
Although it will be some time before AGU Advances has an impact factor, I would like to highlight that Altmetric attention scores for all our papers are in the top 5% of all research papers tracked with the metric (scores range from 119-240 for this issue). Altmetrics track how papers are used and discussed online: in media coverage, research blog posts, and mentions on social media platforms like Twitter. Before a paper’s impact is reflected in citations, these scores offer a measure of the work’s influence, attention, and how widely it has been spread by the community. That these papers score so well reflects the quality and interest of the papers, but also the active promotion by AGU and the papers’ authors. I expect that the journal will continue to publish research of high caliber, and I hope you’ll keep sending us your best work. —Susan Trumbore
Little research has studied the impacts of combined climate conditions. Together, heat events and poor air quality in South Asia amplify the imminent health challenge. Xu et al.
Terrestrial meander migration rates are used to estimate a formation timescale of decades for Jezero delta on Mars. Lapôtre & Ielpi
Global climate models do not reproduce observed trends of the Southern polar ocean surface, but an increase in wind-transported sea ice that melts and inhibits mixing may account for the disparity. Haumann, Gruber, & Münnich
A new model explains why the ocean’s capacity to take up carbon was reduced on a decadal scale, by accounting for reduced pCO2 emissions and ocean state changes due to the eruption of Mt. Pinatubo. McKinley et al.
Tantalizing hints of active erupting plumes on Europa were first provided by Earth-based telescopes, and then by reanalysis of spacecraft magnetometer data. Now Huybrighs et al.  show that spacecraft measurements of proton fluxes are also consistent with a plume. —Francis Nimmo
How anomalous were the fires of 2019-20, from the Arctic to Amazon and Australia? Anonline session from April’s annual EGU meeting on the role and impact of fires in the Earth system addresses this question, along with how fire severity reflects changes in management and climate and impacts health. —Susan Trumbore
Liquid water and dust avalanches have been variously invoked to explain dark streaks that extend down steep Martian slopes as temperatures approach freezing. Gough et al.  suggest both wet and dry processes may occur, as salts dehydrate seasonally and reduce soil cohesion. —Bethany Ehlmann
The Atlantic coast north of Cape Hatteras is considered to be a hotspot of the late 20th century sea-level rise. Gehrels et al.  use microfossils in salt marsh sediments to show this region was also a preindustrial sea-level rise hotspot and suggest that this is a recurring feature. —Eileen Hofmann
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