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ECHAM



 

The global climate model ECHAM was developed by the Max Planck Institute for Meteorology in Hamburg/Germany and by the University of Hamburg. At present the model version 5 is mainly used at the institute.

Global coverage due to visible contrail cirrus with a solar optical depth > 0.05 for the year 2002

 

ECHAM calculates the development of global weather situations (temperature, wind, clouds etc.) at time steps of 20 to 40 min when using a spatial resolution of 300 to 500 km. Insolation, climate-relevant gases and sea surface temperatures are prescribed. This mainly determines the simulated climate. Not selected observed weather situations are simulated, rather the model provides typical characteristics of the atmospheric circulation such as the mean locations of the Iceland low, the Azores high, and low pressure paths.

During the recent years our new developments within ECHAM5 on the assessment of the climate influence of condensation trails (contrails). A new cloud type, the condensation trail cirrus, has been introduced consistently to the natural clouds in the model. The development of condensation trail cirrus and their impact on climate has been calculated.

 

 

 


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ECHAM at DLR
Related Topics
Meteorology and Climatology
Geophysics
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