GEE 下载MODIS/006/MCD12Q1多年LC

//500m比较粗糙
//只保留roi的几何形状
var roi = ee.FeatureCollection("projects/your geofile").geometry();//将显示的图层缩放到研究区中心
Map.centerObject(roi,5) 
Map.addLayer(roi)for(var i = 2005;i<=2010;i++){
var dataset = ee.ImageCollection("MODIS/006/MCD12Q1").filterDate(i+'-01-01', i+'-12-31').select('LC_Type1')
var classification = dataset.mosaic().clip(roi)//在窗口展示一下classification图像
//配置显示参数
var igbpLandCoverVis = {min: 1.0,max: 17.0,palette: ['05450a', '086a10', '54a708', '78d203', '009900', 'c6b044', 'dcd159','dade48', 'fbff13', 'b6ff05', '27ff87', 'c24f44', 'a5a5a5', 'ff6d4c','69fff8', 'f9ffa4', '1c0dff'],
};
print(classification)
//图像展示
Map.addLayer(classification, igbpLandCoverVis, i+"MCD12Q1 LC_Type1");Export.image.toDrive({image: classification,description: i+'land',region: roi,scale: 500,maxPixels: 1e13,crs: "EPSG:32648",folder: 'LUCC'})   
}

var modisLandcover =  ee.ImageCollection('MODIS/006/MCD12Q1');
for(var i=2001;i<=2020;i++){var data_collection = modisLandcover.filterDate(i+'-01-01',i+'-12-31').select('LC_Type1').first().clip(roi);       //将波段排序从0开始排列// print(data_collection)Export.image.toDrive({image: data_collection,description: i+"LC",fileNamePrefix: i+"LC",scale: 500,crs:"EPSG:4326",region: geo.geometry().bounds(),maxPixels: 1e13,folder: 'Modis_LC'});
}