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HSPF Land Cover Type

Land cover classified by categories used in HSPF/WWHM

Description

This layer provides land cover classifications corresponding to default categories used in the Western Washington Hydrology Model.

Land cover was derived from the Nature Conservancy’s high-resolution land cover data set and remapped according to the table below:

Derived Land CoverHSPF Land cover class
Fine VegetationGrass
Medium VegetationGrass
Coarse VegetationForest
Dirt/BarrenGrass
WaterWater
Impervious OtherImpervious
Impervious Roofs (roofs were designated impervious/flat slope)Impervious
NLCD CroplandPasture

Layer Access in Earth Engine

The javascript commands below can be used to access this layer within the Google Earth Engine Code Editor. A Google Earth Engine account is required.

// Import the layer data dictionary
var data = require('users/stormwaterheatmap/apps:data/public')

// To view data dictionary, print to the console:
print('Data:', data)

//Get this layer from the layer data dictionary:
var layer_name = data.rasters["HSPF Land Cover Type"]

Viewing

Individual objects contain all the info used in the stormwater heatmap. To add it to the map, add the layer object.

var display_image = layer_name.layer
Map.addLayer(display_image)

Analysis

To get the raw image data for analysis, access the eeObject key.

var raw_image = layer_name.layer.eeObject
Map.addLayer(raw_image,{},'HSPF Land Cover Type')

Visualization

Palette

LabelRaster valueColors
Forest/Trees0#55775e#55775e
Pasture1#dacd7f#dacd7f
Grass2#7e9e87#7e9e87
Water3#b3caff#b3caff
Impervious-roof4#844c8b#844c8b
Impervious-nonRoof5#ead1ff#ead1ff

Source

The Nature Conservancy