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Changes in streamflow and sediment discharge and the response to human activities in the middle reaches of the Yellow River
Changes in streamflow sediment discharge
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2011/1/7
The changes in streamflow and sediment discharge in the middle reaches of the Yellow River are a focus. In this paper, based on the precipitation, streamflow and sediment discharge series data (1950–2...
Dynamics of resource production and utilisation in two-component biosphere-human and terrestrial carbon systems
terrestrial carbon systems biosphere-human production-utilisation
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2009/5/7
This paper analyses simple models for "production-utilisation" systems, reduced to two state variables for producers and utilisers, respectively. Two modes are distinguished: in "harvester" systems th...