{"slug": "nasa-srtm-30m", "name": "NASA SRTM 30 m (Global)", "tagline": "30 meter digital elevation model", "source": "NASA / USGS", "category": {"slug": "dem", "name": "DEM", "icon": "mountain", "tone": "slate"}, "meta": ["30 m", "2000", "Global"], "thumb": "/static/catalog/thumbs/nasa-srtm-30m.d7c9d4f06ef7.jpg", "bbox": [-180.0, -56.0, 180.0, 60.0], "global": true, "access": "login", "url": "/datasets/nasa-srtm-30m/", "subtitle": "Shuttle Radar Topography Mission (SRTM)", "summary": "The void-filled SRTM Global 1 arc-second product (SRTMGL1 v3), flown on the Space Shuttle Endeavour in February 2000. It remains the most widely used near-global DEM for watershed delineation, stream network extraction and hydrological model setup. Tiles are 1° × 1° and named by their south-west corner.", "categories": [{"slug": "dem", "name": "DEM", "icon": "mountain", "tone": "slate"}], "sources": [{"slug": "nasa", "name": "National Aeronautics and Space Administration", "label": "NASA", "url": "https://www.earthdata.nasa.gov/", "page": "/sources/nasa/"}, {"slug": "usgs", "name": "U.S. Geological Survey", "label": "USGS", "url": "https://www.usgs.gov/", "page": "/sources/usgs/"}], "facts": [["Source", "NASA / USGS"], ["Resolution", "30 m (1 arc-second)"], ["Time span", "2000"], ["Temporal", "Static (11 to 22 February 2000)"], ["Access type", "Download with free login"], ["Formats", "HGT (zipped), GeoTIFF through OpenTopography"], ["Coverage", "56°S – 60°N"]], "access_note": "Free NASA Earthdata login for file downloads", "coverage": "56°S – 60°N", "license": {"name": "Public domain (U.S. Government work)", "url": "https://lpdaac.usgs.gov/data/data-citation-and-policies/"}, "citation": "NASA JPL (2013). NASA Shuttle Radar Topography Mission Global 1 arc second. NASA EOSDIS Land Processes DAAC. https://doi.org/10.5067/MEaSUREs/SRTM/SRTMGL1.003", "doi": "10.5067/MEaSUREs/SRTM/SRTMGL1.003", "landing_url": "https://lpdaac.usgs.gov/products/srtmgl1v003/", "provider_url": "https://earthexplorer.usgs.gov/", "methods": [{"type": "cmr", "label": "SRTMGL1 v003 tiles from NASA Earthdata (login required)"}, {"type": "api", "label": "Clipped GeoTIFF from the OpenTopography Global DEM API (free API key)"}], "preview": {"type": "gibs", "layer": "SRTM_Color_Index", "label": "SRTM color index (NASA GIBS)"}, "thumb_credit": "Relief rendered from AWS Terrain Tiles", "selection": [-75.0, -20.0, -50.0, 5.0], "selection_text": "-75,-20,-50,5", "snippets": {"curl": "# Earthdata login in ~/.netrc:\n# machine urs.earthdata.nasa.gov login USER password PASS\ncurl -fsSL \"https://hydrological.org/api/v1/datasets/nasa-srtm-30m/links.txt?bbox=-75,-20,-50,5\" \\\n  | xargs -n 1 curl -fLO --netrc -b ~/.urs_cookies -c ~/.urs_cookies", "python": "import earthaccess  # pip install earthaccess\n\nearthaccess.login()\nresults = earthaccess.search_data(short_name=\"SRTMGL1\", version=\"003\",\n                                  bounding_box=(-75, -20, -50, 5))\nearthaccess.download(results, \"data\")", "javascript": "const res = await fetch(\"https://hydrological.org/api/v1/datasets/nasa-srtm-30m/links?bbox=-75,-20,-50,5\");\nconst { groups } = await res.json();\nfor (const g of groups) g.links.forEach(l => console.log(l.url));"}, "api": {"links": "/api/v1/datasets/nasa-srtm-30m/links?bbox=-75,-20,-50,5", "manifest": "/api/v1/datasets/nasa-srtm-30m/manifest?bbox=-75,-20,-50,5"}}