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Biogeosciences

Reviews and syntheses: The mechanisms underlying carbon storage in soil

The 4 per 1000 initiative aims to restore carbon storage in soils to both mitigate climate change and contribute to food security. The French National Institute for Agricultural Research conducted a study to determine the carbon storage potential in French soils and associated costs. This paper is a part of that study. It reviews recent advances concerning the mechanisms that controls C stabilization in soils. Synthetic figures integrating new concepts should be of pedagogical interest.


Atmospheric Chemistry and Physics

Global modeling of cloud water acidity, precipitation acidity, and acidinputs to ecosystems

Cloud water pH affects atmospheric chemistry, and acid rain damages ecosystems. We use model simulations along with observations to present a global view of cloud water and precipitation pH. Sulfuric acid, nitric acid, and ammonia control the pH in the northern midlatitudes, but carboxylic acids and dust cations are important in the tropics and subtropics. The acid inputs to many nitrogen-saturated ecosystems are high enough to cause acidification, with ammonium as the main acidifying species.


Geoscientific Model Development

The Making of the New European Wind Atlas – Part 2: Production and evaluation

This is the second of two papers that document the creation of the New European Wind Atlas (NEWA). The paper includes a detailed description of the technical and practical aspects that went into running the mesoscale simulations and the microscale downscaling for generating the climatology. A comprehensive evaluation of each component of the NEWA model chain is presented using observations from a large set of tall masts located all over Europe.


Atmospheric Measurement Techniques

A technical description of the Balloon Lidar Experiment (BOLIDE)

The Balloon Lidar Experiment was the first lidar dedicated to measurements in the mesosphere flown on a balloon. During a 6 d flight, it made high-resolution observations of polar mesospheric clouds which form at high latitudes during summer at ~ 83 km altitude and are the highest clouds in Earth’s atmosphere. We describe the instrument and assess its performance. We could detect fainter clouds with higher resolution than what is possible with ground-based instruments.


Latest posts from EGU blogs

How Open Science may help us during and after the pandemic

How Open Science may help us during and after the pandemic

As Hedding et al. (2020) indicate, it is “not business as usual” for higher education across the globe. There are many testimonies by scientists who are struggling to work while their children are stuck at home during the coronavirus pandemic (Langin, 2020). Indeed, it is very complex to stay at home to raise and home-school kids and remain productive as an academic while living through a pandemic. Challenges are diverse and often unique to each person. Numerous examples can be …


Field work in winter in Iceland: The beautiful nature of Strokkur geyser

Field work in winter in Iceland: The beautiful nature of Strokkur geyser

I was fascinated and excited on my first trip to Iceland in August 2010; just a few months after the eruption of Eyjafjallajökull that affected the air traffic across Europe for a few days. Besides these dangerous volcanoes, the Icelandic landscape is beautiful, rough, wide and impressive with elements such as water and ice interacting directly at some locations. Part of this trip was, of course, a stop in an area with steam, water-filled pots with boiling water and two …


Career Progression – from Academia to Industry

Career Progression – from Academia to Industry

During the summer Liam Brannigan contributed to an EGU careers workshop. Liam has had a diverse career, following his masters in maths at Edinburgh University he worked for several years as an investment consultant. In 2010 however, he fancied a change and embarked on a career in physical oceanography, completing his MSc at Bangor University and his PhD at the University of Oxford. A few post-docs later and Liam was keen for some more stability, and sought a career in …