基于Sentinel-1的10米空间尺度的湿润热带森林的近实时干扰数据集

Reiche J, Mullissa A, Slagter B, Gou Y, Tsendbazar N, Odongo-Braun C, Vollrath A, Weisse M, Stolle F, Pickens A, Donchyts G, Clinton N, Gorelick N &
Herold M, (2021), Forest disturbance alerts for the Congo Basin using Sentinel-1, Environmental Research Letters
https://doi.org/10.1088/1748-9326/abd0a8

var radd = ee.ImageCollection('projects/radar-wur/raddalert/v1');
var geography = 'sa';

// forest baseline mask
var forest_baseline = ee.Image(radd.filterMetadata('layer','contains','forest_baseline')
                            .filterMetadata('geography','equals',geography).first())

Map.addLayer(forest_baseline, {palette:['black'], opacity: 0.3},'Forest baseline')

var latest_radd_alert =  ee.Image(radd.filterMetadata('layer','contains','alert')
                            .filterMetadata('geography','equals',geography)
                            .sort('system:time_end', false).first());

Map.addLayer(latest_radd_alert.select('Alert'), {min:2,max:3,palette:['blue','coral']}, 'RADD alert')