ndvidata_r

Download and process NDVI data from www.ncei.noaa.gov

Flyer.pdf

url_path <- 'https://www.ncei.noaa.gov/data/avhrr-land-normalized-difference-vegetation-index/access/'

Meta

• netcdf files (.nc)
• resolution 0.05 degrees (3-5 km)
• daily time step
• ndvi value is scaled with a factor = 0.0001 (e.g. 54356 = 0.54356)
• time:units = "days since 1981-01-01 00:00:00"

dimensions: latitude = 3600 ; longitude = 7200 ; time = 1 ; nv = 2 ; ncrs = 1 ;

Notes

2018 is so far (2019-10-22) priliminary data.

Example (Germany)