Скачать с ютуб Calculate Land Surface Temperature Using Google Earth Engine || Time Series Analysis || MODIS || LST в хорошем качестве

Calculate Land Surface Temperature Using Google Earth Engine || Time Series Analysis || MODIS || LST

// Import country boundaries feature collection. var dataset = ee.FeatureCollection('USDOS/LSIB_SIMPLE/2017'); // Apply filter where country name equals Pakistan. var PakistanBorder = dataset.filter(ee.Filter.eq('country_na', 'Pakistan')); // Print new "PakistanBorder" object and explorer features and properties. // There should only be one feature representing Pakistan. print(PakistanBorder); // Add pakistan outline to the Map as a layer. Map.centerObject(PakistanBorder, 6); Map.addLayer(PakistanBorder); // Import LST image collection. var modis = ee.ImageCollection('MODIS/MOD11A2'); // Define a date range of interest; here, a start date is defined and the end // date is determined by advancing 1 year from the start date. var start = ee.Date('2015-01-01'); var dateRange = ee.DateRange(start, start.advance(1, 'year')); // Filter the LST collection to include only images intersecting the desired // date range. var mod11a2 = modis.filterDate(dateRange); // Select only the 1km day LST data band. var modLSTday = mod11a2.select('LST_Day_1km'); // Scale to Kelvin and convert to Celsius, set image acquisition time. var modLSTc = modLSTday.map(function(img) { return img .multiply(0.02) .subtract(273.15) .copyProperties(img, ['system:time_start']); }); // Chart time series of LST for pakistan in 2015. var ts1 = ui.Chart.image.series({ imageCollection: modLSTc, region: PakistanBorder, reducer: ee.Reducer.mean(), scale: 1000, xProperty: 'system:time_start'}) .setOptions({ title: 'LST 2015 Time Series', vAxis: {title: 'LST Celsius'}}); print(ts1); // Calculate 8-day mean temperature for Pakistan in 2015. var clippedLSTc = modLSTc.mean().clip(PakistanBorder); // Add clipped image layer to the map. Map.addLayer(clippedLSTc, { min: 10, max: 45, palette: ['blue', 'limegreen', 'yellow', 'darkorange', 'red']}, 'Mean temperature, 2015');