SEEPLUS

What is SEEPLUS?

SEEPLUS is a web application providing a simple climate model of pathways for reduction of greenhouse gas emissions. SEEPLUS is an abbreviation for a Simple climate model to Examine Emission Pathways Leading to Updated Scenarios. This application was developed as part of research on global warming by the Central Research Institute of Electric Power Industry. What follows is a brief description of SEEPLUS' components and features.

Carbon cycle model: This model calculates total global CO₂ emissions removed by the ocean and terrestrial ecosystems and determines the atmospheric CO₂ concentration. The model allows inversion to determine emissions based on gas concentrations.
Climate response model: This model determines temperature changes and the rise in mean global sea levels based on the CO₂ concentration. Values are calculated using the impulse response to forcing in proportion to the logarithm of the concentration. Rising sea levels are the result of thermal expansion of ocean water alone and do not include melting of mountain glaciers and the Antarctica and Greenland ice sheets.
Creating data to enter: You can create a time series of emissions or concentrations (a pathway). Desired pathways can easily be created by specifying selected values and asymptotic curves in the standard scenarios provided. Pathways are created in conjunction with the running of a carbon cycle model, and emissions and concentrations are handled in an integrated manner.
Graphing of output data: A variety of information derived secondarily from different time series produced by a carbon cycle or climate response model and the results of that model can be graphed. Secondary information includes climate responses that take multiple gases (including factors for climate change besides CO₂) into account, the probability distribution of temperature changes, and the spatial distribution of different climate variables.

If you are using SEEPLUS for the first time, please read the User's Guide. A brief explanation of how to use SEEPLUS will be displayed in a pop-up help window (under construction) during the session. For details, please refer to the research report on SEEPLUS (in Japanese).

SEEPLUS is in development, so it will occasionally be improved to make SEEPLUS easier to use and its features will be enhanced.

Copyright

Unless otherwise noted, the Central Research Institute of Electric Power Industry (CRIEPI) owns the copyright to the contents of this site. Users are free to use the figures and numerical data created with SEEPLUS except where separate terms and conditions are set forth. When using figures and numerical data created with SEEPLUS in their works, users are asked to indicate the relevant literature and specify that those figures and data were created using SEEPLUS.

Disclaimer

Users are responsible for use of SEEPLUS and the information on this site. CRIEPI is in not responsible for any damage to users caused by accessing this site or by use of information on this site.

SEEPLUS and the information on this site may be revised or modified without notice. Revisions and modifications may affect SEEPLUS results, so make sure you are using the latest information where appropriate.