NDVI Mean and Trend Analysis (C2) — indicator_carbon_ndvi • nemeton

Extracts mean NDVI from Sentinel-2 or equivalent satellite imagery. Optionally calculates NDVI trend over multiple dates (requires temporal rasters).

Usage

indicator_carbon_ndvi(units, layers, ndvi_layer = "ndvi", trend = FALSE)

Arguments

units: nemeton_units object
layers: nemeton_layers object containing NDVI raster(s)
ndvi_layer: Character. Name of NDVI layer in layers object
trend: Logical. Calculate temporal trend if multiple dates available? Default FALSE.

Value

Numeric vector of NDVI mean values (0-1 scale), or list with mean and trend if trend = TRUE

Examples

if (FALSE) { # \dontrun{
# Single-date NDVI
layers <- nemeton_layers(rasters = list(ndvi = "sentinel2_ndvi.tif"))
results <- indicator_carbon_ndvi(units, layers, ndvi_layer = "ndvi")

# Multi-date NDVI with trend
results <- indicator_carbon_ndvi(units, layers, ndvi_layer = "ndvi", trend = TRUE)
} # }