https://github.com/daniel-furman/ice-densification-research
All data and analyses to reproduce my ice material science research, as published in Penn Science: Furman and Goldsby, 2021.
Science Score: 26.0%
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Found 4 DOI reference(s) in README -
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Low similarity (5.4%) to scientific vocabulary
Keywords
Repository
All data and analyses to reproduce my ice material science research, as published in Penn Science: Furman and Goldsby, 2021.
Basic Info
- Host: GitHub
- Owner: daniel-furman
- License: mit
- Language: Jupyter Notebook
- Default Branch: master
- Homepage: https://nbviewer.jupyter.org/github/daniel-furman/ice-densification-research/blob/master/Firn_notebook.ipynb
- Size: 7.07 MB
Statistics
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
- Releases: 0
Topics
Metadata Files
README.md
The Rheological Behavior of Firn: Experimental Observations of Dislocation Creep via Grain Boundary Sliding
How does grain size, strain state, and microstructure influence the rheological behavior of ice compaction among glaciers and ice sheets?
Experimental results | Mechanism map for firn
:-------------------------------------------:|:------------------------------:
| 
Key Points
- Constant stress laboratory experiments were performed on H20 ice powder samples with roughly uniform grain size varying from 5 to 550 micrometers (µm) in radius.
- Two rheologically-distinct creep regimes emerged, characterized by their grain size sensitivity and stress dependence: dislocation creep (n ~ 3.7, p ~ 0) and disGBS (n ~ 1.6, p ~ 0.9).
- Flow laws resolved the disGBS mechanism as predominantly rate-limiting for natural conditions, such as in glaciers and ice sheets.
Data
Output from compaction tests (compaction.csv) and pressure-density profiles (site-name.csv) are contained in the data/ subfolder.
Paper Figures
Figure 1: From (a) Breant et al. (2017) (their Figure 3) and (b) Faria et al. (2014) (their Figure 7).
Figure 2: Photographs taken in the laboratory and diagram made with PowerPoint
Figure 3: flow_law_fiting.py
Figure 4: mechanism_maps.py
Table S1: calc_dens_rates.py
Workflow
The programming workflow is available in Firn_notebook.ipynb, where each .py script is ran in an easy to follow sequence.
Owner
- Name: Daniel Furman
- Login: daniel-furman
- Kind: user
- Location: San Francisco
- Company: @twosixcapital
- Repositories: 6
- Profile: https://github.com/daniel-furman
Master’s student, UC Berkeley School of Information. University of Pennsylvania alum. DS @twosixcapital. Prev MLE @understory.ai.
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Top Committers
| Name | Commits | |
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| Daniel Furman | d****n@g****m | 137 |