Land

Nevertheless, advanced computational power has gone a long way to help understand this behavior and predict how it is going to take place in a variety of environments. A second area of improvement concerns the handling of run-off of various types of precipitation. These issues have been tackled by a joint project known as the Common Land Model (CLM), which aims to pool the knowledge and understanding of research communities in various locations.

The land component of climate models most readily shows the impact of humans. Rapid urbanization, deforestation, and changes in land cover all have significant effects on the other components of the model, and also directly impact the atmosphere and its circulation. Cities, for example, are noticeably hotter than the surrounding areas, and this introduces new forms of circulation into the system. These changes also occur much more rapidly than changes in the sea or atmosphere. The increasing heterogeneity of the land, which the changes generally bring about, increase the complexity of models and the difficulties involved in attempting to simulate climate systems.

sEE ALso: Climate Models; Computer Models; Land Use.

bibliography. P.M. Cox, et al., "The Impact of New Land Surface Physics on the GCM Simulation of Climate and Climate Sensitivity," Climate Dynamics (v.15/3, 1999); R.E. Dickinson, "Land Processes in Climate Models," Remote Sensing of Environment (v.51/1, 1995); Xubin Zeng, et al., "Coupling of the Common Land Model to the NCAR Community Climate Model," Journal of Climate (v.15/14, 2002).

John Walsh Shinawatra University

Renewable Energy Eco Friendly

Renewable Energy Eco Friendly

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable.

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