{
 "schema_version": 1,
 "metric_id": "L2",
 "name": "Nitrogen deposition on nature",
 "domain": "L",
 "tier": "v1",
 "grade": "A",
 "frequency": "A",
 "harmonized_international": false,
 "caveats": "OPS model recalculations revise history; break 2005; CLO page has no API.",
 "methodology_notes": "Discovered 6 Jul 2026: RIVM GCN/GDN annual ZIP downloads, pattern https://data.rivm.nl/data/gcn/depo_NTOT_{year}.zip (deposition maps ~July); WCS endpoint https://data.rivm.nl/geo/gcn/wcs. Automatable via manual-drop-style fetcher; national mean must be derived from grid — document formula.",
 "owner_review_required": false,
 "sources": [
  {
   "org": "manual:RIVM",
   "dataset_code": "manual:L2",
   "url": "https://www.clo.nl/indicatoren/nl018922",
   "licence": "RIVM/PBL publication"
  }
 ],
 "breaks": [
  {
   "period": "2005",
   "note": "OPS model recalculation basis"
  }
 ],
 "primary": {
  "key": "manual:RIVM|manual:L2|NL|mol N/ha/yr|metric=national_avg_GDN",
  "dataset_code": "manual:L2",
  "source_org": "manual:RIVM",
  "geography": "NL",
  "unit_code": "mol N/ha/yr",
  "dimensions": {
   "metric": "national_avg_GDN"
  },
  "frequency": "A",
  "points": [
   {
    "period": "2022",
    "value": 1375.0
   },
   {
    "period": "2023",
    "value": 1315.0,
    "status": "e"
   }
  ]
 },
 "series": [
  {
   "key": "manual:RIVM|manual:L2|NL|mol N/ha/yr|metric=national_avg_GDN",
   "dataset_code": "manual:L2",
   "source_org": "manual:RIVM",
   "geography": "NL",
   "unit_code": "mol N/ha/yr",
   "dimensions": {
    "metric": "national_avg_GDN"
   },
   "frequency": "A",
   "points": [
    {
     "period": "2022",
     "value": 1375.0
    },
    {
     "period": "2023",
     "value": 1315.0,
     "status": "e"
    }
   ]
  }
 ],
 "peers": [],
 "derived": [],
 "trend": {
  "direction": "insufficient",
  "method": "OLS over last 8 annual observations, 5% significance (MBW convention)"
 },
 "deltas": {
  "y1": -60.0,
  "latest_period": "2023",
  "latest_value": 1315.0
 },
 "generated_at": "2026-07-07T09:46:03+00:00"
}