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The Copenhagen General Population Study is an offshoot of the Copenhagen City Heart Study (CCHS), known in Danish as Østerbroundersøgelsen.The CCHS was launched in 1976 by Professor Anders Tybjærg Hansen and cardiologists Dr. Peter Schnohr [], Dr. Gorm Jensen and statistician Jørgen Nyboe, and began as a large cardiovascular-focused study.
Copenhagen Consensus is a project that seeks to establish priorities for advancing global welfare using methodologies based on the theory of welfare economics, using cost–benefit analysis. It was conceived and organized around 2004 by Bjørn Lomborg , [ 1 ] the author of The Skeptical Environmentalist and the then director of the Danish ...
The Copenhagen Consensus Center is a US non-profit think tank based in Lowell, Massachusetts, founded and headed by Bjørn Lomborg. [2] The Center organizes the Copenhagen Consensus , a conference of economists held every four years, where potential solutions to global issues are examined and prioritized using cost-benefit analysis .
Today, soil surveys are no longer published in book form; they are published to the web and accessed on NRCS Web Soil Survey where a person can create a custom soil survey. This allows for rapid flow of the latest soil information to the user. In the past it could take years to publish a paper soil survey.
The cone penetration or cone penetrometer test (CPT) is a method used to determine the geotechnical engineering properties of soils and delineating soil stratigraphy. It was initially developed in the 1950s at the Dutch Laboratory for Soil Mechanics in Delft to investigate soft soils. Based on this history it has also been called the "Dutch ...
The activity of soil is the ratio of the plasticity index to the clay size fraction. If activity is less than 0.75, the soil is inactive. If activity exceeds 1.4, then the soil is termed active. If activity lies within the above values, then the soil will be moderately active. [10]
Soil quality refers to the condition of soil based on its capacity to perform ecosystem services that meet the needs of human and non-human life. [1] [2] [3] [4]
Some soil variables of special interest to agricultural soil science are Soil texture or soil composition: Soils are composed of solid particles of various sizes. In decreasing order, these particles are sand, silt and clay. Every soil can be classified according to the relative percentage of sand, silt and clay it contains.