Hydrosphere

A visual and scientific history of water from

image: Water cover seen Following Credit: MIT PRESS Water is so pervasive in our lives that it’s easy to take it for granted. The average American uses ninety gallons of water a day; almost all the liquids we come across are primarily water – milk, for example, contains 87 percent …

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Trace the points that led to the Amazon tipping point

Scientifically, it is indisputable that the Amazon is on the way to ceasing to become a tropical forest. The “lungs of the earth” which store some 200 billion tonnes of carbon now emit more carbon than they capture, accelerating climate change which is further damaging the forest. Mysterious forest soils …

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Evaluate the impact and scope of biogeochemical cycles

Biogeochemical cycles describe the flow of elements in earth systems. They are strongly influenced by biological and anthropogenic activity and, in turn, influence other aspects of earth systems and the human environment. Biogeochemical cycles: ecological factors and environmental impact, a book published by AGU, shows how biogeochemical cycles have developed …

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Earth system models simulate climate change

The climate is changing and we need to know what changes to expect and how long to expect them. Models of the Earth system, which simulate all relevant components of the Earth system, are the primary means of anticipating future changes in our climate. Over the past century, our knowledge …

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