{"slug": "smap-l3", "name": "SMAP L3 Soil Moisture", "tagline": "Daily surface soil moisture from L-band radiometry", "source": "NASA / NSIDC", "category": {"slug": "observations", "name": "Observations", "icon": "pin", "tone": "slate"}, "meta": ["36 km", "2015–present", "Global"], "thumb": "/static/catalog/thumbs/smap-l3.d3dea344a621.jpg", "bbox": [-180.0, -85.0, 180.0, 85.0], "global": true, "access": "login", "url": "/datasets/smap-l3/", "subtitle": "SMAP L3 Radiometer Global Daily 36 km", "summary": "Surface (0–5 cm) soil moisture retrieved from the SMAP L-band radiometer. The enhanced 9 km product (SPL3SMP_E) and model-assimilated root-zone moisture (SPL4SMGP) are also available.", "categories": [{"slug": "observations", "name": "Observations", "icon": "pin", "tone": "slate"}, {"slug": "soils", "name": "Soils", "icon": "stack", "tone": "amber"}], "sources": [{"slug": "nasa", "name": "National Aeronautics and Space Administration", "label": "NASA", "url": "https://www.earthdata.nasa.gov/", "page": "/sources/nasa/"}], "facts": [["Source", "NASA / NSIDC"], ["Resolution", "36 km (9 km enhanced)"], ["Time span", "2015–present"], ["Temporal", "Daily (morning and evening passes)"], ["Access type", "Download with free login"], ["Formats", "HDF5"], ["Coverage", "Global"]], "access_note": "Free NASA Earthdata login", "coverage": "Global", "license": {"name": "Public domain (U.S. Government work)", "url": "https://nsidc.org/data/data-policies"}, "citation": "", "doi": "", "landing_url": "https://nsidc.org/data/spl3smp", "provider_url": "https://nsidc.org/data/spl3smp", "methods": [{"type": "cmr", "label": "SPL3SMP daily files (latest first) from NASA Earthdata"}], "preview": {"type": "gibs", "layer": "SMAP_L4_Analyzed_Root_Zone_Soil_Moisture", "label": "SMAP L4 root-zone soil moisture (NASA GIBS)"}, "thumb_credit": "SMAP L4 root-zone soil moisture (NASA GIBS)", "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/smap-l3/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=\"SPL3SMP\",\n                                  bounding_box=(-75, -20, -50, 5))\nearthaccess.download(results, \"data\")", "javascript": "const res = await fetch(\"https://hydrological.org/api/v1/datasets/smap-l3/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/smap-l3/links?bbox=-75,-20,-50,5", "manifest": "/api/v1/datasets/smap-l3/manifest?bbox=-75,-20,-50,5"}}