Saskia Keesstra, Wageningen University, Wageningen, The Netherlands Description This composite shows a constellation of combined visual and infrared imaging of a smouldering combustion front spreading radially over a thin sample of dry peat. The central watch is created by a series of twelve wedges. Each wedge is extracted from a photo taken every 5 min from an elevated view looking down into the ...[Read More]
Soil pictures
Soils at Imaggeo: Fly ash dyke or landfill or pond
Kripal Singh, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, India Description Fly ash, generated during coal combustion for thermal power generation, is dumped in man made ponds is a big problem to manage in several countries. In this picture, natural grasses are growing on a fly ash pond on National Thermal Power Plant, Unchahar, Uttar Pradesh, India. About Imaggeo Imaggeo is ...[Read More]
Soils at Imaggeo: Gypsum concretions in a soil horizon
Antonio Jordán, University of Seville, Sevilla, Spain Most Gypsisols are formed when gypsum (calcium sulfate) from gypsiferous parent materials is dissolved and moves through soil water, precipitating in an accumulation soil horizons. Triassic rock outcrops in almost all Andalusia consist mainly of red and variegated clays and in some cases by clays of different colors are known as the iridescent ...[Read More]
Soils at Imaggeo: fire watch constellation
Egle Rackauskaite, Xinyan Huang and Guillermo Rein HazeLab, Imperial College London, UK Winner of the Best Fire Science Image, 11th IAFSS Symposium, Christchurch, New Zealand, 2014 Description This composite shows a constellation of combined visual and infrared imaging of a smouldering combustion front spreading radially over a thin sample of dry peat. The central watch is created by a series of t ...[Read More]
Soils at Imaggeo: fly ash pond
Kripal Singh CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, India About Imaggeo Imaggeo is the EGU’s online open access geosciences image repository. All geoscientists (and others) can submit their photographs and videos to this repository and, since it is open access, these images can be used for free by scientists for their presentations or publications, by educators and the g ...[Read More]
Soils at Imaggeo: field in late summer after rain
Konstantinos Kourtidis Democritus University of Thrace, Xanthi, Greece About Imaggeo Imaggeo is the EGU’s online open access geosciences image repository. All geoscientists (and others) can submit their photographs and videos to this repository and, since it is open access, these images can be used for free by scientists for their presentations or publications, by educators and the general public, ...[Read More]
Soils at Imaggeo: fall into litter
Antonio Jordán University of Seville, Spain Description Wet forest soil surface after a rainfall simulation experiment in Los Alcornocales Natural Park, southern Spain. When pores are saturated with water, rainfall does not infiltrate, but a dense litter layer may inhibit runoff for some time. About Imaggeo Imaggeo is the EGU’s online open access geosciences image repository. All geoscientists (an ...[Read More]
Soils at Imaggeo: gully erosion in Swaziland
John Quinton, UK This post was also published simultaneously in G-Soil.
Soils at Imaggeo: flying over the Saharan Cauldron
Carolina Cavazos-Guerra, Germany The Saharan desert has one of the most extreme climates on Earth. The dust loading and thermodynamics over this region are unique, and have major impacts on the climate of North Africa, Europe and the Atlantic. Fennec is a large-scale programme designed to tackle one of the world’s key climate regions by delivering the most comprehensive field campaign ever mounted ...[Read More]
Soils at Imaggeo: soil erosion in olive groves
Artemi Cerdà, Spain Olive-cropped soils in Spain cover more than 2.4 million ha, 75% in southern Spain. Historically, high soil erosion rates have been determined in olive groves due to soil management, mostly. Due to Mediterranean climate conditions and low water inputs, traditional management is based on reduced tree density, canopy size control by pruning, and intensive weed control. Weed contr ...[Read More]