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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.

Physicochemical changes in pyrogenic organic matter (biochar) after 15 months of field aging

Predicting the effects of pyrogenic organic matter (OM) addition (either natural or intentional as in the case of biochar amendment) on soil chemistry and crop yields has been hampered by a lack of understanding of how pyrogenic OM evolves in the environment over time. This work compared the physicochemical characteristics of newly made and 15-month-field-aged biochars and biochar–soil mixtures.

Crop residue decomposition in Minnesota biochar-amended plots

The aim of this paper is to evaluate biochar effects on field decomposition of crop residue, using plots that were amended with biochars made from different plant-based feedstocks and pyrolysis platforms in the fall of 2008.

Magnetic signature of large exhumed mantle domains of the Southwest Indian Ridge – results from a deep-tow geophysical survey over 0 to 11 Ma old seafloor

We investigate the magnetic signature of ultramafic seafloor in the eastern part of the Southwest Indian Ridge (SWIR). There, detachment faulting, continuous over 11 Myr, exhumed large areas of mantle-derived rocks.

Paleosols in the Transantarctic Mountains: indicators of environmental change

Solid Earth
DOI 10.5194/se-4-451-2013
20 November 2013

Paleosols on unconsolidated deposits are emphasized in this study. Examples are given from the McMurdo Dry Valleys (78° S) and two outlet glaciers in the central and southern TAMS, including the Hatherton–Darwin Glacier region (80° S) and the Beardmore Glacier region (85°30’ S).

Editorial: The publication of geoscientific model developments v1.0

In this editorial, GMD Executive Editors assess the lessons learned over the first few years of the journal’s life, and describe some changes to GMD’s editorial policy, which will ensure that the models and model developments are published in such a way that they are of maximum value to the community.

Application of soil quality indices to assess the status of agricultural soils irrigated with treated wastewaters

In this work two soil quality indices were used to evaluate the effects of irrigation with treated wastewater in soils. The indices were developed studying different soil properties in undisturbed soils in SE Spain, and the relationships between soil parameters were established using multiple linear regressions.

The link between great earthquakes and the subduction of oceanic fracture zones

Solid Earth
DOI 10.5194/se-3-447-2012
5 December 2012

We construct a model for the geometry of subduction coupling zones and combine it with global geophysical data sets to demonstrate that the occurrence of great (magnitude ≥ 8) subduction earthquakes is strongly biased towards regions associated with intersections of oceanic fracture zones and subduction zones.

Assessing climate model software quality: a defect density analysis of three models

We found that the climate models all have very low defect densities compared to well-known, similarly sized open-source projects. We discuss the implications of our findings for the assessment of climate model software trustworthiness.

The regulation of the air: a hypothesis

Solid Earth
DOI 10.5194/se-3-87-2012
12 March 2012

We propose the hypothesis that natural selection, acting on the specificity or preference for CO₂ over O₂ of the enzyme rubisco (ribulose-1,5-bisphosphate carboxylase/oxygenase), has controlled the CO₂:O₂ ratio of the atmosphere since the evolution of photosynthesis and has also sustained the Earth’s greenhouse-set surface temperature.

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