{"slug": "alos-aw3d30", "name": "ALOS World 3D 30 m (AW3D30)", "tagline": "30 m surface model from PRISM optical stereo", "source": "JAXA", "category": {"slug": "dem", "name": "DEM", "icon": "mountain", "tone": "slate"}, "meta": ["30 m", "2006–2011", "Global"], "thumb": "/static/catalog/thumbs/alos-aw3d30.624d6edf5d80.jpg", "bbox": [-180.0, -82.0, 180.0, 82.0], "global": true, "access": "registration", "url": "/datasets/alos-aw3d30/", "subtitle": "ALOS Global Digital Surface Model", "summary": "A digital surface model resampled from JAXA's 5 m AW3D product, derived from the PRISM stereo camera on ALOS. It often beats SRTM in steep terrain; like all optical DEMs it has small voids under persistent cloud and snow.", "categories": [{"slug": "dem", "name": "DEM", "icon": "mountain", "tone": "slate"}], "sources": [{"slug": "jaxa", "name": "Japan Aerospace Exploration Agency", "label": "JAXA", "url": "https://global.jaxa.jp/", "page": "/sources/jaxa/"}], "facts": [["Source", "JAXA"], ["Resolution", "30 m (1 arc-second)"], ["Time span", "2006–2011"], ["Temporal", "Static (ALOS PRISM archive 2006 to 2011)"], ["Access type", "Registration with provider"], ["Formats", "GeoTIFF"], ["Coverage", "82°S – 82°N"]], "access_note": "Free registration with JAXA", "coverage": "82°S – 82°N", "license": {"name": "JAXA terms of use (free, attribution required)", "url": "https://earth.jaxa.jp/policy/en.html"}, "citation": "Tadono, T., et al. (2014). Precise Global DEM Generation by ALOS PRISM. ISPRS Annals, II-4, 71–76. https://doi.org/10.5194/isprsannals-II-4-71-2014", "doi": "", "landing_url": "https://www.eorc.jaxa.jp/ALOS/en/aw3d30/index.htm", "provider_url": "https://www.eorc.jaxa.jp/ALOS/en/aw3d30/index.htm", "methods": [{"type": "api", "label": "Clipped GeoTIFF from the OpenTopography Global DEM API (free API key)"}], "preview": {"type": "relief"}, "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": "curl -fL \"https://portal.opentopography.org/API/globaldem?demtype=AW3D30&south=-20&north=5&west=-75&east=-50&outputFormat=GTiff&API_Key=YOUR_KEY\" \\\n  -o response", "python": "import requests\n\nr = requests.get(\"https://portal.opentopography.org/API/globaldem?demtype=AW3D30&south=-20&north=5&west=-75&east=-50&outputFormat=GTiff&API_Key=YOUR_KEY\")\nr.raise_for_status()\nopen(\"response\", \"wb\").write(r.content)", "javascript": "const res = await fetch(\"https://portal.opentopography.org/API/globaldem?demtype=AW3D30&south=-20&north=5&west=-75&east=-50&outputFormat=GTiff&API_Key=YOUR_KEY\");\nconsole.log(res.status, res.headers.get(\"content-type\"));"}, "api": {"links": "/api/v1/datasets/alos-aw3d30/links?bbox=-75,-20,-50,5", "manifest": "/api/v1/datasets/alos-aw3d30/manifest?bbox=-75,-20,-50,5"}}