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henrique/gee_electricity_demand_nga.js

Last active January 4, 2020 11:56
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gee_electricity_demand_nga.js
// GRID3 population data
var img_pop3 = ee.ImageCollection('users/henrique/GRID3_NGA_PopEst_v1_1_mean_float')
// Nigerian nightlights (1Y median)
var nighttime = ee.ImageCollection('NOAA/VIIRS/DNB/MONTHLY_V1/VCMSLCFG')
.filter(ee.Filter.date('2018–09–01', '2019–09–30'))
.median()
.select('avg_rad')
.clipToCollection(nigeria);
// Demand layer
var demand = img_pop3.gte(pop_threshold) // threshold population
.multiply(nighttime.lte(light_threshold)) // population without lights
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