基本信息
views: 12
![](https://originalfileserver.aminer.cn/sys/aminer/icon/show-trajectory.png)
Bio
Research interests
I have worked with geologists, geophysicists, geochemists and geomorphologists in a diverse range of projects. Currently, I am in collaboration with researchers in France, Scotland, England, Denmark, Brazil, and Australia, and I am co-investigator for projects funded in Greenland, South Africa and Brazil. My main research topics consist of the quantification of geological phenomena, for example, in understanding the long-term landscape evolution and chemical fractionation during the formation of magmas. My scientific approach is based on a quantitative interpretation of data, rather than a purely theoretical or empirical/qualitative approach. Consequently, much of my research has been oriented to the development and applications of advanced statistical methods in the field of inference and uncertainty from modeling (focussing on Bayesian transdimensional inverse methods now being more widely commonly used in the Earth Sciences).
In recent years, I have put some effort into developing software based on some of these modelling approaches for use by the research community. The motivation was to produce user-friendy software, that would run on desktop machines (both Windows and Macintosh). To this end, I wrapped the inverse modelling algorithms with a GUI written in Qt. In particular I have produced the following freely available software :
1. BayesMixQt
For the inference of discrete mixtures, as often required in detrital geochronology for example. The approach is based on that presented in Jasra, A., Stephens, D.A. Gallagher, K. and Holmes, C.C., (2006) Analysis of geochronological data with measurement error using Bayesian mixtures, Mathematical Geology, 38(3), 269-300.)
2. CPQt
For changepoint modelling, that is the inference of discontinuities in time- or depth- data series, allowing for unknown data noise, and combinations of different data sets with a common underlying changepoint structure. This has been used to identify and correlate climate change related variations in chemistry of peat bogs (natural archives of atmospheric composition). The approach is based on that presented in Gallagher, K., Bodin, T. Sambridge, M, Weiss, D, Kylander, M, and Large, D. (2011) Inference of abrupt changes in noisy geochemical records using Bayesian transdimensional changepoint models, Earth Planet. Sci. Letts., 311, 182-194.
3. QTQt
For modelling thermal histories from thermochronological data (apatite and zircon (U-Th)/He, apatite and zircon fission track, 40Ar/39Ar (multidomain model) and 4He/3He spectra, U-Pb in apatite, K-Ar/Ar-Ar in mica/hornblende/etc, vitrinite reflectance. The software allows multiple samples to be modelled jointly (e.g. a vertical profile or borehole) with up to 50 samples in a profile. It allows for parent concentration zoning in single crystals, and can deal with age profiles across single crystals. The approach is based on that presented in Gallagher, K., (2012) Transdimensional inverse thermal history modelling for quantitative thermochronology, J. Geophys Res. 117, B02408,
Research Interests
Papers共 186 篇Author StatisticsCo-AuthorSimilar Experts
By YearBy Citation主题筛选期刊级别筛选合作者筛选合作机构筛选
时间
引用量
主题
期刊级别
合作者
合作机构
crossref(2024)
GEOSTANDARDS AND GEOANALYTICAL RESEARCH (2024)
EarthArXiv (California Digital Library) (2023)
GEOPHYSICAL RESEARCH LETTERSno. 13 (2023): n/a-n/a
Cambridge University Press eBookspp.175-195, (2023)
crossref(2022)
Basin Researchno. 1 (2022): 1-2
Load More
Author Statistics
Co-Author
Co-Institution
D-Core
- 合作者
- 学生
- 导师
Data Disclaimer
The page data are from open Internet sources, cooperative publishers and automatic analysis results through AI technology. We do not make any commitments and guarantees for the validity, accuracy, correctness, reliability, completeness and timeliness of the page data. If you have any questions, please contact us by email: report@aminer.cn