QinDenton
From ViRBO
Contents |
1 Summary
Data-derived magnetic field models of Earth's magnetosphere are generally developed using in-situ magnetic field measurements along with auxiliary parameters. These models predict the magnetic field at a position in the magnetosphere given values of auxiliary parameters that represent the state of the magnetosphere (i.e., disturbed or quiet). Early models required only a few parameters. For example, the Tsyganenko 1989 model required knowledge of Earth's dipole tilt and the level of geomagnetic disturbance (characterized by the Kp index). Modern magnetic field models are much more accurate but require many more auxiliary inputs. Qin et al. have developed a data set of input parameters for the Tsyganenko 2001, 2004, and 2005 magnetic field models. More information about this data set is available at Richard Denton's web page.
2 Acknowledgment
From http://www.dartmouth.edu/~rdenton/magpar/index.html
Appropriate acknowledgement would depend on the use. For minor use, you can add a sentence to the acknowledgements section such as "Magnetic field input parameters (derived from data on OMNIWeb) were provided by Richard Denton and Zhengui Qin." Please also acknowledge OMNIWeb as indicated on its website (see [1]). For a more substantial use (when the input parameters are crucial for the study) please also acknowledge a grant number that Richard Denton will give you when you contact him (see below). Then possible acknowledgement could look like "Magnetic field input parameters (derived from data on OMNIWeb) were provided by Richard Denton and Zhengui Qin, supported by so-and-so grant." If this data set is a major part of the paper (like a statistical study of the magnetic field for a large portion of the time period covered), we would appreciate an offer for us to collaborate as coauthors. Please feel free to make the decision yourself as to which form of acknowledgement is appropriate, but if possible let Richard Denton know when you publish a paper acknowledging the use of this database. You can contact Richard Denton at [2].
3 Update and Revision Notes
- Update 04/23/2009 - A correction in the code that affected the G2_status variable was applied. This correction only affects the hourly-averaged output data, which now has version number v1 in its file name.
- Update 05/15/2010 - The latest-available OMNI data were used to generated new data products for all resolutions.
4 Data: 1-hour
4.1 README
- Version 1: A correction in the code that affected the G2_status variable was applied. This correction only affects the hourly-averaged output data, which is now has version number v1 in its file name.
- Version 2: The OMNI2 data set was updated to include new Dst data (see Newsletter announcement). This version uses the correction from Version 1 and the OMNI2 data downloaded on May 4th, 2009 (contains data through April 11th, 2009).
- Version 3: The OMNI2 data set has changes in many places and the version downloaded on May 15th, 2010 was used to create the version 3 files.
Note that the ASCII output files v0 zip | v1 zip | v2 zip | v3 zip and input files v0 zip | v1 zip (same as v0) | v2 zip | v3 zip are available.
4.2 Merged Plots and Files
- All data merged into a single file: ftp://virbo.org/QinDenton/hour/merged Important: Notes on reading merged files
- Notes on timestamps.
4.3 Data Subsets
5 Data: 5-minute
5.1 README
- Version 1: The OMNI data set has changes in many places and the version downloaded on May 15th, 2010 was used to create the version 1 files.
Note that the ASCII input and output files are available at ftp://virbo.org/QinDenton/5min/merged
5.2 Merged Plots and Files
- All data merged into a single file: ftp://virbo.org/QinDenton/5min/merged Important: Notes on reading merged files
- Notes on timestamps.
5.3 Data Subsets
6 Data: 1-minute
6.1 README
- Version 1: The OMNI data set has changes in many places and the version downloaded on May 15th, 2010 was used to create the version 1 files.
Note that the ASCII input and output files are available at ftp://virbo.org/QinDenton/1min/merged
6.2 Merged Plots and Files
- All data merged into a single file: ftp://virbo.org/QinDenton/1min/merged Important: Notes on reading merged files
- Notes on timestamps.
