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https://github.com/abbylewis/model_evi

Repo for fitting double-log function to annual EVI data

https://github.com/abbylewis/model_evi

Science Score: 13.0%

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Repository

Repo for fitting double-log function to annual EVI data

Basic Info
  • Host: GitHub
  • Owner: abbylewis
  • License: mit
  • Language: HTML
  • Default Branch: main
  • Homepage:
  • Size: 98.3 MB
Statistics
  • Stars: 0
  • Watchers: 2
  • Forks: 0
  • Open Issues: 0
  • Releases: 0
Created over 1 year ago · Last pushed over 1 year ago
Metadata Files
Readme License

README.md

Model_EVI

Repo to fit a double-log function to annual EVI data, following Beck et al. (2006). Model fitting code is Code adapted by ASL from package greenbrown (Forkel and Wutzler, 2015), which is not maintained for the current version of R. We have also tried the model from Elmore et al. (2012), but fits seem to be worse than Beck et al. (2006) for these data.

Structure

Code/Model EVI.Rmd generates model fits from the data files in Raw_data. Model fits are then archived in Output. Note that raw EVI data from LUMCON are too large to push to GitHub, and are therefore not included in this repo.

References

Beck, P. S., Atzberger, C., Høgda, K. A., Johansen, B., & Skidmore, A. K. (2006). Improved monitoring of vegetation dynamics at very high latitudes: A new method using MODIS NDVI. Remote sensing of Environment, 100(3), 321-334.

Elmore, A. J., Guinn, S. M., Minsley, B. J. & Richardson, A.D. (2012): Landscape controls on the timing of spring, autumn, and growing season length in mid-Atlantic forests. Global Change Biology 18, 656-674.

Forkel, M. & Wutzler, T. (2015) greenbrown - land surface phenology and trend analysis. A package for the R software. Version 2.2, 2015-04-15, http://greenbrown.r-forge.r-project.org/.

Owner

  • Name: Abby Lewis
  • Login: abbylewis
  • Kind: user

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Last Year
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