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Release of hydrogen peroxide and antioxidants by the coral Stylophora pistillata to its external milieu

This paper presents a laboratory characterisation of hydrogen peroxide (H₂O₂) and antioxidant activity release kinetics by intact, non-stressed Stylophora pistillata. Experimenting with bleached and non-bleached corals and different stirring speeds, the authors explored the sources and modes of H₂O₂ and antioxidant release.

Protection against lightning at a geomagnetic observatory

Geoscientific Instrumentation, Methods and Data Systems
DOI 10.5194/gi-3-135-2014
27 August 2014

The Sinji Vrh Geomagnetic Observatory, built on the brow of Gora, the mountain above Ajdovščina in Slovenia, is very often struck by lightning. This manuscript analyses the formation of lightning in the area and ways of protecting the observatory.

Molecular corridors and kinetic regimes in the multiphase chemical evolution of secondary organic aerosol

Based on molecular identification of secondary organic aerosol (SOA) oxidation products, the authors show here that the chemical evolution of SOA from a variety of volatile organic compound precursors adheres to characteristic “molecular corridors” with a tight inverse correlation between volatility and molar mass.

Elevation and elevation change of Greenland and Antarctica derived from CryoSat-2

This study focuses on the present-day surface elevation of the Greenland and Antarctic ice sheets. Based on 3 years of CryoSat-2 data acquisition the authors derived new elevation models (DEMs) as well as elevation change maps and volume change estimates for both ice sheets.

Diverse coral communities in mangrove habitats suggest a novel refuge from climate change

This paper characterises the first natural, non-reef coral refuge from thermal stress and ocean acidification and identifies resiliency factors for mangrove–coral habitats.

MOMBA 1.1 – a high-resolution Baltic Sea configuration of GFDL’s Modular Ocean Model

We present a new coupled ocean-circulation–ice model configuration of the Baltic Sea. The model features, contrary to most existing configurations, a high horizontal resolution of 1 nautical mile (1.85 km), which is eddy-resolving over much of the domain.

Projecting Antarctic ice discharge using response functions from SeaRISE ice-sheet models

In this paper, the authors attempt to estimate the uncertainty range of future ice discharge from Antarctica by combining uncertainty in the climatic forcing, the oceanic response and the ice-sheet model response.

Quantification of ice nuclei active at near 0 °C temperatures in low-altitude clouds at the Puy de Dôme atmospheric station

In this study, cloud water was collected aseptically from the summit of Puy de Dôme (1465 m a.s.l., France) within contrasted meteorological and physico-chemical situations. Total and biological (i.e. heat-sensitive) IN were quantified by droplet-freezing assay between −5 °C and −14 °C.

Weighing the ocean with bottom-pressure sensors: robustness of the ocean mass annual cycle estimate

We use ocean bottom-pressure measurements from 17 tropical sites to determine the annual cycle of ocean mass. We show that such a calculation is robust, and use three methods to estimate errors in the mass determination.

Ice–ocean interaction and calving front morphology at two west Greenland tidewater outlet glaciers

This paper presents a suite of fjord salinity, temperature, turbidity versus depth casts along with glacial runoff estimation from Rink and Store glaciers, two major marine outlets draining the western sector of the GrIS during 2009 and 2010.

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