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Updated: Oct 22, 2025

Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface
Published on: June 8, 2015
Modelling 85Kr datasets with python for applications in tracer hydrology and to investigate atmospheric circulation
Arne Kersting1, Sofia Brander2, Axel Suckow3
1Institute of Environmental Physics, Heidelberg University, 69120 Heidelberg, Germany.
This Python model analyzes Krypton-85 (Kr-85) data for dating water and ice. It also investigates atmospheric circulation patterns using global monitoring station data.
Area of Science:
- Environmental Science
- Atmospheric Chemistry
- Geochronology
Background:
- Krypton-85 (Kr-85) is a valuable tracer for dating water and ice, and for studying atmospheric circulation.
- Existing methods for analyzing Kr-85 data can be complex and require specialized tools.
- A standardized and accessible approach is needed for systematic analysis of atmospheric Kr-85 datasets.
Purpose of the Study:
- To develop a Python-based model for evaluating comprehensive atmospheric Kr-85 datasets.
- To enable the calculation of atmospheric input functions for Kr-85 dating applications.
- To investigate atmospheric circulation patterns using a two-box model.
Main Methods:
- Implementation of a Python model to process 11 global Kr-85 datasets.
- Development of functions for data filtering, polynomial fitting, and running means.
- Incorporation of methods for extrapolating data between hemispheres and calculating exchange times and emission rates.
Main Results:
- The model provides a standardized method for analyzing atmospheric Kr-85 activity concentration time series.
- It facilitates the application of Kr-85 as a dating tracer for hydrological and glaciological studies.
- The model aids in investigating interhemispheric atmospheric exchange and Kr-85 emission rates.
Conclusions:
- The developed Python model offers a robust and adaptable tool for atmospheric Kr-85 data evaluation.
- Its functionalities can be extended to other dating tracers such as tritium and SF6.
- This work establishes a systematic approach for advancing research in atmospheric science and geochronology.
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