water: Water indices

Description Usage Arguments Details Value Author(s) References Examples

View source: R/water.R

Description

Identify the presence of water, and related indices from remote sensing data.

Usage

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ndwi(green, nir) 
nddi(ndvi, ndwi)
mndwi(green, swir) 
drought(ndvi, ndwi)
lswi(nir, swir) 
water(ndvi, albedo) 
waterModis(ndvi, band7) 

Arguments

green

Value of the GREEN satellite band

nir

Value of the NIR satellite band

swir

Value of the SWIR satellite band

ndvi

NDVI values

ndwi

NDWI values

band7

MODIS Band7 satellite band values

albedo

albedo layer

Details

lswi is the Land Surface Water Index

Value

Areas that are likely covered with water

Author(s)

Yann Chemin

References

Roy D.P., Jin Y., Lewis P.E., Justice C.O. (2005). Prototyping a global algorithm for systematic fire-affected area mapping using MODIS time series data. Remote Sensing of Environment 97:137-162. Xiao X., Boles S., Liu J., Zhuang D., Frokling S., Li C., Salas W., Moore III B. (2005). Mapping paddy rice agriculture in southern China using multi-temporal MODIS images. Remote Sensing of Environment 95:480-492.

Examples

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	nir <- runif(10)
	swir <- runif(10)
	ndvi <- runif(10)
	band7 <- runif(10)
	albedo <- runif(10)
	
	water1 <- lswi(nir, swir) 
	water2 <- water(ndvi, albedo) 
	water3 <- waterModis(ndvi, band7) 

RemoteSensing documentation built on Feb. 7, 2020, 3 p.m.