sampled-ndvi-MODIS-MOD13Q1.csv: Raw MODIS MOD13Q1 NDVI data

In irg: Instantaneous Rate of Green Up

Description

A CSV containing NDVI samples for seven points over ten years (2005-2010). Data extracted using Earth Engine with the example script provided by the use_example_ee_script() function with sensor set to 'MODIS'.

Format

A data.table with 805 rows and 5 variables:

• id - individual identifier

• NDVI - sampled value

• SummaryQA - Summary quality assessment value, see details below

• DayOfYear - julian day/day of year of sample

• yr - year of sample

SummaryQA details:

• 0 - Good data, use with confidence

• 1 - Marginal data, useful but look at detailed QA for more information

• 2 - Pixel covered with snow/ice

• 3 - Pixel is cloudy

Details

Note: these are the same locations as in the example 'Landsat' data.

Examples

# Load data.table
library(data.table)

# Read example data
ndvi <- fread(system.file('extdata', 'sampled-ndvi-MODIS-MOD13Q1.csv', package = 'irg'))

irg documentation built on Dec. 22, 2021, 9:06 a.m.