Monthly news from EGU: Science policy, bombing raids, glacial geoengineering (September 2018)
- EGU news
- 1 October 2018
The September 2018 edition of the EGU email newsletter, the monthly information service for Union members, is now available.
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EGU and EFG establish dialogue with policy makers on how the geosciences can help overcome Europe’s societal challenges
- EGU news
- 28 September 2018
On 26 September 2018, the European Geosciences Union (EGU) and the European Federation of Geologists (EFG) have jointly convened the ‘Horizon Geoscience: overcoming societal challenges, creating change’ dinner debate. Held at the Royal Academy of Belgium, the event has gathered nearly 80 policymakers from European institutions, media representatives, and geoscience professionals from different sectors and fields of expertise.
Impact of WWII bombing raids felt at edge of space
- Press release
- 26 September 2018
Bombing raids by Allied forces during the Second World War not only caused devastation on the ground but also sent shockwaves through Earth’s atmosphere which were detected at the edge of space, according to new research. University of Reading researchers have revealed the shockwaves produced by huge bombs dropped by Allied planes on European cities were big enough to weaken the electrified upper atmosphere – the ionosphere – above the UK, 1000km away. The results are published today in the European Geosciences Union journal Annales Geophysicae.
Glacial engineering could limit sea-level rise, if we get our emissions under control
- Press release
- 20 September 2018
Targeted engineering projects to hold off glacier melting could slow down the collapse of ice sheets and limit sea-level rise, according to a new study published in the European Geosciences Union journal The Cryosphere. While an intervention similar in size to existing large civil engineering projects could only have a 30% chance of success, a larger project would have better odds of holding off ice-sheet collapse. But study authors Michael Wolovick and John Moore caution that reducing emissions still remains key to stopping climate change and its dramatic effects.
Deadline for climate action – Act strongly before 2035 to keep warming below 2°C
- Press release
- 30 August 2018
If governments don’t act decisively by 2035 to fight climate change, humanity could cross a point of no return after which limiting global warming below 2°C in 2100 will be unlikely, according to a new study by scientists in the UK and the Netherlands. The research also shows the deadline to limit warming to 1.5°C has already passed, unless radical climate action is taken. The study is published today in the European Geosciences Union journal Earth System Dynamics.
Highlight articles
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Contrasting biosphere responses to hydrometeorological extremes: revisiting the 2010 western Russian heatwave
- Biogeosciences
- DOI 10.5194/bg-15-6067-2018
- 16 October 2018
Northern forests enhanced their productivity during and before the 2010 Russian mega heatwave. We scrutinize this issue with a novel type of multivariate extreme event detection approach. Forests compensate for 54 % of the carbon losses in agricultural ecosystems due to vulnerable conditions in spring and better water management in summer. The findings highlight the importance of forests in mitigating climate change, while not alleviating the consequences of extreme events for food security.
The importance of small artificial water bodies as sources of methane emissions in Queensland, Australia
- Hydrology and Earth System Sciences
- DOI 10.5194/hess-22-5281-2018
- 15 October 2018
Artificial water bodies are a major source of methane and an important contributor to flooded land greenhouse gas emissions. Past studies focussed on large water supply or hydropower reservoirs with small artificial water bodies (ponds) almost completely ignored. This regional study demonstrated ponds accounted for one-third of flooded land surface area and emitted over 1.6 million t CO2eq. yr−1(10 % of land use sector emissions). Ponds should be included in regional GHG inventories.
The climate of a retrograde rotating Earth
- Earth System Dynamics
- DOI 10.5194/esd-9-1191-2018
- 12 October 2018
Model experiments show that changing the sense of Earth’s rotation has relatively little impact on the globally and zonally averaged energy budgets but leads to large shifts in continental climates and patterns of precipitation. The retrograde world is greener as the desert area shrinks. Deep water formation shifts from the North Atlantic to the North Pacific with subsequent changes in ocean overturning. Over large areas of the Indian Ocean, cyanobacteria dominate over bulk phytoplankton.
Building a Raspberry Pi school magnetometer network in the UK
- Geoscience Communication
- DOI 10.5194/gc-1-25-2018
- 10 October 2018
As computing and geophysical sensor components have become increasingly affordable over the past decade, it is now possible to build a cost-effective system for monitoring the Earth’s natural magnetic field variations, in particular for space weather events, e.g. aurorae. Sensors available to the general public are ~ 100 times less sensitive than scientific instruments but only 1/100th of the price. We demonstrate a system that allows schools to contribute to a genuine scientific sensor network.
Image of the Week – On thin [Arctic sea] ice
- Cryospheric Sciences
- posted 2 days ago
Perhaps the most enduring and important signal of a warming climate has been that the minimum Arctic sea ice extent, occurring each year in September, has declined precipitously. Over the last 40 years, most of the Arctic sea ice has thus been transformed to first-year ice that freezes in the winter and melts in the summer. Concern about sea ice extent and area is valid: since sea ice is a highly reflective surface, a reduction of its area has a …
Apply to be EGU's next artist in residence!
- GeoLog – EGU official blog
- posted 2 days ago
Calling all artists interested in the geosciences! After a successful trial in 2018, when the European Geosciences Union (EGU) officially hosted a cartoonist and a poet in residence at its annual meeting, we are now opening a call for artists to apply for a residency at the EGU 2019 General Assembly. Our residency programme provides artists with an opportunity to engage with scientific research in a dynamic setting and be inspired by new scientific discoveries. Researchers, on the other hand, …
EGU announces 2019 awards and medals
- GeoLog – EGU official blog
- posted 3 days ago
From 14th to the 20th October a number of countries across the globe celebrate Earth Science Week, so it is a fitting time to celebrate the exceptional work of Earth, planetary and space scientist around the world. This week, the EGU announced the 45 recipients of next year’s Union Medals and Awards, Division Medals, and Division Outstanding Early Career Scientists Awards. The aim of the awards is to recognise the efforts of the awardees in furthering our understanding of the …