12 zonal statistics

Uncomment the following line to install geemap if needed.

In [ ]:

# !pip install geemap

# !pip install geemap

In [ ]:

import ee
import geemap
import os

import ee import geemap import os

In [ ]:

geemap.show_youtube("ou-Xm3CLitM")

geemap.show_youtube("ou-Xm3CLitM")

In [ ]:

Map = geemap.Map()
Map

Map = geemap.Map() Map

In [ ]:

# Add Earth Engine dataset
dem = ee.Image("USGS/SRTMGL1_003")

# Set visualization parameters.
dem_vis = {
    "min": 0,
    "max": 4000,
    "palette": ["006633", "E5FFCC", "662A00", "D8D8D8", "F5F5F5"],
}

# Add Earth Engine DEM to map
Map.addLayer(dem, dem_vis, "SRTM DEM")

# Add Landsat data to map
landsat = ee.Image("LANDSAT/LE7_TOA_5YEAR/1999_2003")

landsat_vis = {"bands": ["B4", "B3", "B2"], "gamma": 1.4}
Map.addLayer(landsat, landsat_vis, "LE7_TOA_5YEAR/1999_2003")

states = ee.FeatureCollection("TIGER/2018/States")
Map.addLayer(states, {}, "US States")

# Add Earth Engine dataset dem = ee.Image("USGS/SRTMGL1_003") # Set visualization parameters. dem_vis = { "min": 0, "max": 4000, "palette": ["006633", "E5FFCC", "662A00", "D8D8D8", "F5F5F5"], } # Add Earth Engine DEM to map Map.addLayer(dem, dem_vis, "SRTM DEM") # Add Landsat data to map landsat = ee.Image("LANDSAT/LE7_TOA_5YEAR/1999_2003") landsat_vis = {"bands": ["B4", "B3", "B2"], "gamma": 1.4} Map.addLayer(landsat, landsat_vis, "LE7_TOA_5YEAR/1999_2003") states = ee.FeatureCollection("TIGER/2018/States") Map.addLayer(states, {}, "US States")

In [ ]:

out_dir = os.path.join(os.path.expanduser("~"), "Downloads")
out_dem_stats = os.path.join(out_dir, "dem_stats.csv")

if not os.path.exists(out_dir):
    os.makedirs(out_dir)

# Allowed output formats: csv, shp, json, kml, kmz
# Allowed statistics type: MEAN, MAXIMUM, MINIMUM, MEDIAN, STD, MIN_MAX, VARIANCE, SUM
geemap.zonal_stats(dem, states, out_dem_stats, stat_type="MEAN", scale=1000)

out_dir = os.path.join(os.path.expanduser("~"), "Downloads") out_dem_stats = os.path.join(out_dir, "dem_stats.csv") if not os.path.exists(out_dir): os.makedirs(out_dir) # Allowed output formats: csv, shp, json, kml, kmz # Allowed statistics type: MEAN, MAXIMUM, MINIMUM, MEDIAN, STD, MIN_MAX, VARIANCE, SUM geemap.zonal_stats(dem, states, out_dem_stats, stat_type="MEAN", scale=1000)

In [ ]:

out_landsat_stats = os.path.join(out_dir, "landsat_stats.csv")
geemap.zonal_stats(landsat, states, out_landsat_stats, stat_type="SUM", scale=1000)

out_landsat_stats = os.path.join(out_dir, "landsat_stats.csv") geemap.zonal_stats(landsat, states, out_landsat_stats, stat_type="SUM", scale=1000)

In [ ]:

geemap.create_download_link(out_dem_stats)

geemap.create_download_link(out_dem_stats)

In [ ]:

geemap.create_download_link(out_landsat_stats)

geemap.create_download_link(out_landsat_stats)