Essays about: "old clay layers"
Found 4 essays containing the words old clay layers.
-
1. THE FIRST ACTIVE ACID SULFATE SOIL FOUND OUTSIDE THE BALTIC BASIN, IN VISKA VALLEY WEST COAST OF SWEDEN
University essay from Göteborgs universitet/Institutionen för geovetenskaperAbstract : Acid sulfate (AS) soils are naturally formed but are responsible for environmental problem due to its low pH. Drainage of active AS soils can lead to mobilization of harmful metals and a severe pH drop in nearby aquatic environments, which in turn may harm the ecological conditions. READ MORE
-
2. Rammed Concrete
University essay from KTH/ArkitekturAbstract : Rammed Concrete is a material study of an old building technique called rammed concrete and its predecessor rammed earth. Rammed earth is a technique used for constructing foundations, floors, and walls with the use of natural materials. READ MORE
-
3. Do 25 years old skid tracks restrict growth and survival? : a study on growth conditions for the planted regeneration in a rainforest rehabilitation project
University essay from SLU/Dept. of Forest Ecology and ManagementAbstract : The rainforests of the world are important not only to the countries in which they grow but to the world as a whole. They influence oxygen and water circulation as well as carbon sequestration which in turn affect global radiation and global warming. READ MORE
-
4. Determination of dioxins in Cretaceous strata from the South of Sweden. : Can the environmental anthropogenic pollutant dioxin be of natural origin ?
University essay from Örebro universitet/Institutionen för naturvetenskap och teknikAbstract : Eleven sediment samples from different geological layers and four fossils from the South of Sweden were collected and estimated to be 80 million years old (approximately late of Cretaceous period). The samples were analyzed for polychlorinated dibenzo-p dioxins (PCDD/Fs) to investigate whether these samples are likely to contain dioxins from a natural formation. READ MORE
