114 dynamic world

Creating near real-time global 10-m land cover maps with geemap and Dynamic World

• App: https://www.dynamicworld.app
• App2: https://earthoutreach.users.earthengine.app/view/dynamicworld
• Paper: https://doi.org/10.1038/s41597-022-01307-4
• Model: https://github.com/google/dynamicworld
• Training data: https://doi.pangaea.de/10.1594/PANGAEA.933475
• Data: https://developers.google.com/earth-engine/datasets/catalog/GOOGLE_DYNAMICWORLD_V1
• JavaScript tutorial: https://developers.google.com/earth-engine/tutorials/community/introduction-to-dynamic-world-pt-1

In [ ]:

import ee
import geemap

import ee import geemap

In [ ]:

Map = geemap.Map()
Map.add_basemap("HYBRID")
Map

Map = geemap.Map() Map.add_basemap("HYBRID") Map

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# Set the region of interest by simply drawing a polygon on the map
region = Map.user_roi
if region is None:
    region = ee.Geometry.BBox(-89.7088, 42.9006, -89.0647, 43.2167)

Map.centerObject(region)

# Set the region of interest by simply drawing a polygon on the map region = Map.user_roi if region is None: region = ee.Geometry.BBox(-89.7088, 42.9006, -89.0647, 43.2167) Map.centerObject(region)

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# Set the date range
start_date = "2021-01-01"
end_date = "2022-01-01"

# Set the date range start_date = "2021-01-01" end_date = "2022-01-01"

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# Create a Sentinel-2 image composite
image = geemap.dynamic_world_s2(region, start_date, end_date)
vis_params = {"bands": ["B4", "B3", "B2"], "min": 0, "max": 3000}
Map.addLayer(image, vis_params, "Sentinel-2 image")

# Create a Sentinel-2 image composite image = geemap.dynamic_world_s2(region, start_date, end_date) vis_params = {"bands": ["B4", "B3", "B2"], "min": 0, "max": 3000} Map.addLayer(image, vis_params, "Sentinel-2 image")

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# Create Dynamic World land cover composite
landcover = geemap.dynamic_world(region, start_date, end_date, return_type="hillshade")
Map.addLayer(landcover, {}, "Land Cover")

# Create Dynamic World land cover composite landcover = geemap.dynamic_world(region, start_date, end_date, return_type="hillshade") Map.addLayer(landcover, {}, "Land Cover")

In [ ]:

# Add legend to the map
Map.add_legend(title="Dynamic World Land Cover", builtin_legend="Dynamic_World")
Map

# Add legend to the map Map.add_legend(title="Dynamic World Land Cover", builtin_legend="Dynamic_World") Map

In [ ]:

# Save Dynamic World class data in GeoTIFF format
output_path = "landcover.tif"
landcover = geemap.dynamic_world(region, start_date, end_date, return_type="class")
geemap.ee_export_image(
    landcover, filename=output_path, scale=10, region=region, file_per_band=False
)

# Save Dynamic World class data in GeoTIFF format output_path = "landcover.tif" landcover = geemap.dynamic_world(region, start_date, end_date, return_type="class") geemap.ee_export_image( landcover, filename=output_path, scale=10, region=region, file_per_band=False )