Hydrological, data for a better understanding of water

DEM

USGS 3DEP Elevation

3D Elevation Program
Lidar-based elevation for the United States, 1 m to 1/3 arc-second

Relief rendered from AWS Terrain Tiles

Source: USGS
Resolution: 1 m (lidar) to 10 m (1/3 arc-second)
Time span: Varies by project
Access type: API (external)
Formats: GeoTIFF, LAZ point clouds
Coverage: United States and territories
Provider: apps.nationalmap.gov/downloader/

curl -fL "https://tnmaccess.nationalmap.gov/api/v1/products?bbox=-123,43.5,-121,45.5&datasets=National%20Elevation%20Dataset%20(NED)%201/3%20arc-second&prodFormats=GeoTIFF&max=100" \
  -o response

import requests

r = requests.get("https://tnmaccess.nationalmap.gov/api/v1/products?bbox=-123,43.5,-121,45.5&datasets=National%20Elevation%20Dataset%20(NED)%201/3%20arc-second&prodFormats=GeoTIFF&max=100")
r.raise_for_status()
open("response", "wb").write(r.content)

const res = await fetch("https://tnmaccess.nationalmap.gov/api/v1/products?bbox=-123,43.5,-121,45.5&datasets=National%20Elevation%20Dataset%20(NED)%201/3%20arc-second&prodFormats=GeoTIFF&max=100");
console.log(res.status, res.headers.get("content-type"));

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