{
  "kind": "ice",
  "englishTitle": "The changing edge of Arctic ice",
  "retrievedAt": "2026-09-20T03:44:32.114608+00:00",
  "sources": [
    {
      "url": "https://noaadata.apps.nsidc.org/NOAA/G02202_V6/north/monthly/sic_psn25_202509_am2_v06r00.nc",
      "sha256": "d312e4169ec1a236355cd4a61dfa9e9f04f172fb14304101e01634f3888bdd72",
      "start": "2025-09-01T00:00:00Z",
      "end": "2025-09-30T23:59:59Z",
      "license": "No constraints on data access or use"
    },
    {
      "url": "https://noaadata.apps.nsidc.org/NOAA/G02202_V6/north/monthly/sic_psn25_202510_am2_v06r00.nc",
      "sha256": "420511590bb943b7a725966d9c40abc3c128372bdabd4832a4fa6f676755013e",
      "start": "2025-10-01T00:00:00Z",
      "end": "2025-10-31T23:59:59Z",
      "license": "No constraints on data access or use"
    },
    {
      "url": "https://noaadata.apps.nsidc.org/NOAA/G02202_V6/north/monthly/sic_psn25_202511_am2_v06r00.nc",
      "sha256": "dd5ce728ffddac2f90f8368be3dc7b16b19149b84c91d439d9c2e71ad0bc4fc1",
      "start": "2025-11-01T00:00:00Z",
      "end": "2025-11-30T23:59:59Z",
      "license": "No constraints on data access or use"
    },
    {
      "url": "https://noaadata.apps.nsidc.org/NOAA/G02202_V6/north/monthly/sic_psn25_202512_am2_v06r00.nc",
      "sha256": "29d1123867cb29d3c4922580dc814b6be0ae56d457e4bcd9c360786b23fb23c6",
      "start": "2025-12-01T00:00:00Z",
      "end": "2025-12-31T23:59:59Z",
      "license": "No constraints on data access or use"
    },
    {
      "url": "https://noaadata.apps.nsidc.org/NOAA/G02202_V6/north/monthly/sic_psn25_202601_am2_v06r00.nc",
      "sha256": "88ffd67691d30f03d1cceab6dcd9a57943e8c4f05099a9a68332326682e2d3df",
      "start": "2026-01-01T00:00:00Z",
      "end": "2026-01-31T23:59:59Z",
      "license": "No constraints on data access or use"
    },
    {
      "url": "https://noaadata.apps.nsidc.org/NOAA/G02202_V6/north/monthly/sic_psn25_202602_am2_v06r00.nc",
      "sha256": "3f3a198b9c279278fbdf952d45321bdee9e30ec3815747b207060649bc67712d",
      "start": "2026-02-01T00:00:00Z",
      "end": "2026-02-28T23:59:59Z",
      "license": "No constraints on data access or use"
    },
    {
      "url": "https://noaadata.apps.nsidc.org/NOAA/G02202_V6/north/monthly/sic_psn25_202603_am2_v06r00.nc",
      "sha256": "473d47f10a734136ac5652fd8c468d2486da9309b3a7f547f2a5767261fdbe09",
      "start": "2026-03-01T00:00:00Z",
      "end": "2026-03-31T23:59:59Z",
      "license": "No constraints on data access or use"
    },
    {
      "url": "https://noaadata.apps.nsidc.org/NOAA/G02202_V6/north/monthly/sic_psn25_202604_am2_v06r00.nc",
      "sha256": "a6ac3303f6d5723847b4416652178ce5c34d5c6e617e3c35235660fc0d69b9bc",
      "start": "2026-04-01T00:00:00Z",
      "end": "2026-04-30T23:59:59Z",
      "license": "No constraints on data access or use"
    },
    {
      "url": "https://noaadata.apps.nsidc.org/NOAA/G02202_V6/north/monthly/sic_psn25_202605_am2_v06r00.nc",
      "sha256": "9563bee29d5eef34834127f4d080e67a28df4288edf89d88d31db64202bfbd2c",
      "start": "2026-05-01T00:00:00Z",
      "end": "2026-05-31T23:59:59Z",
      "license": "No constraints on data access or use"
    },
    {
      "url": "https://noaadata.apps.nsidc.org/NOAA/G02202_V6/north/monthly/sic_psn25_202606_am2_v06r00.nc",
      "sha256": "ca1de4c116497aff202a13a8ec814ed4f563c31b474ae9072d5ee9121da28203",
      "start": "2026-06-01T00:00:00Z",
      "end": "2026-06-30T23:59:59Z",
      "license": "No constraints on data access or use"
    },
    {
      "url": "https://noaadata.apps.nsidc.org/NOAA/G02202_V6/north/monthly/sic_psn25_202607_am2_v06r00.nc",
      "sha256": "989048d90d3f62e63ae29e5a0e23333e6ed5897ba247e36875ef909cd3e60662",
      "start": "2026-07-01T00:00:00Z",
      "end": "2026-07-31T23:59:59Z",
      "license": "No constraints on data access or use"
    },
    {
      "url": "https://noaadata.apps.nsidc.org/NOAA/G02202_V6/north/monthly/sic_psn25_202608_am2_v06r00.nc",
      "sha256": "2f6c7c4e0ab17b0fbc3e0b910bccb2633c813f74ec2a27d7b6a7e8c0ccd642c2",
      "start": "2026-08-01T00:00:00Z",
      "end": "2026-08-31T23:59:59Z",
      "license": "No constraints on data access or use"
    }
  ],
  "frames": [
    {
      "timestamp": "2025-09-01T00:00:00Z",
      "label": "2025年9月",
      "file": "frames/00.png",
      "metric": 23.6,
      "detail": "北緯60°以北の共通有効海域 26,939 セルの平均",
      "validCells": 67403,
      "iceCells": 7623,
      "missingCells": 68789,
      "clippedCells": 0
    },
    {
      "timestamp": "2025-10-01T00:00:00Z",
      "label": "2025年10月",
      "file": "frames/01.png",
      "metric": 33.1,
      "detail": "北緯60°以北の共通有効海域 26,939 セルの平均",
      "validCells": 67403,
      "iceCells": 11162,
      "missingCells": 68789,
      "clippedCells": 0
    },
    {
      "timestamp": "2025-11-01T00:00:00Z",
      "label": "2025年11月",
      "file": "frames/02.png",
      "metric": 47.3,
      "detail": "北緯60°以北の共通有効海域 26,939 セルの平均",
      "validCells": 67403,
      "iceCells": 14202,
      "missingCells": 68789,
      "clippedCells": 0
    },
    {
      "timestamp": "2025-12-01T00:00:00Z",
      "label": "2025年12月",
      "file": "frames/03.png",
      "metric": 58.4,
      "detail": "北緯60°以北の共通有効海域 26,939 セルの平均",
      "validCells": 67403,
      "iceCells": 18840,
      "missingCells": 68789,
      "clippedCells": 0
    },
    {
      "timestamp": "2026-01-01T00:00:00Z",
      "label": "2026年1月",
      "file": "frames/04.png",
      "metric": 66.1,
      "detail": "北緯60°以北の共通有効海域 26,939 セルの平均",
      "validCells": 67403,
      "iceCells": 21371,
      "missingCells": 68789,
      "clippedCells": 0
    },
    {
      "timestamp": "2026-02-01T00:00:00Z",
      "label": "2026年2月",
      "file": "frames/05.png",
      "metric": 69.6,
      "detail": "北緯60°以北の共通有効海域 26,939 セルの平均",
      "validCells": 67403,
      "iceCells": 23016,
      "missingCells": 68789,
      "clippedCells": 0
    },
    {
      "timestamp": "2026-03-01T00:00:00Z",
      "label": "2026年3月",
      "file": "frames/06.png",
      "metric": 69.0,
      "detail": "北緯60°以北の共通有効海域 26,939 セルの平均",
      "validCells": 67403,
      "iceCells": 23183,
      "missingCells": 68789,
      "clippedCells": 0
    },
    {
      "timestamp": "2026-04-01T00:00:00Z",
      "label": "2026年4月",
      "file": "frames/07.png",
      "metric": 67.8,
      "detail": "北緯60°以北の共通有効海域 26,939 セルの平均",
      "validCells": 67403,
      "iceCells": 21910,
      "missingCells": 68789,
      "clippedCells": 0
    },
    {
      "timestamp": "2026-05-01T00:00:00Z",
      "label": "2026年5月",
      "file": "frames/08.png",
      "metric": 61.3,
      "detail": "北緯60°以北の共通有効海域 26,939 セルの平均",
      "validCells": 67403,
      "iceCells": 19517,
      "missingCells": 68789,
      "clippedCells": 0
    },
    {
      "timestamp": "2026-06-01T00:00:00Z",
      "label": "2026年6月",
      "file": "frames/09.png",
      "metric": 51.9,
      "detail": "北緯60°以北の共通有効海域 26,939 セルの平均",
      "validCells": 67403,
      "iceCells": 17069,
      "missingCells": 68789,
      "clippedCells": 0
    },
    {
      "timestamp": "2026-07-01T00:00:00Z",
      "label": "2026年7月",
      "file": "frames/10.png",
      "metric": 38.6,
      "detail": "北緯60°以北の共通有効海域 26,939 セルの平均",
      "validCells": 67403,
      "iceCells": 13027,
      "missingCells": 68789,
      "clippedCells": 0
    },
    {
      "timestamp": "2026-08-01T00:00:00Z",
      "label": "2026年8月",
      "file": "frames/11.png",
      "metric": 26.1,
      "detail": "北緯60°以北の共通有効海域 26,939 セルの平均",
      "validCells": 67403,
      "iceCells": 9224,
      "missingCells": 68789,
      "clippedCells": 0
    }
  ],
  "projectionLabel": "EPSG:3411",
  "shortAttribution": "NOAA/NSIDC CDR v6 | Natural Earth | Visualization: SORAH",
  "metricLabel": "海域の平均海氷濃度",
  "metricUnit": "%",
  "intervalLabel": "月平均 · 12か月",
  "legend": [
    "0 %",
    "50.0 %",
    "100 %"
  ],
  "legendColors": [
    "#15253a",
    "#32495b",
    "#748694",
    "#bec8cf",
    "#f3f5f7"
  ],
  "legendStops": [
    0.0,
    0.25,
    0.5,
    0.75,
    1.0
  ],
  "sourceUrl": "https://nsidc.org/data/g02202/versions/6",
  "resolution": "25 km 格子 / 月平均",
  "observationPeriod": "2025年9月〜2026年8月",
  "notes": [
    "海氷濃度は、各25 km格子に占める氷の割合です。海氷の厚さではありません。",
    "数値は北緯60°以北・全12か月で有効な海域の格子平均です。海氷面積・海氷域面積ではありません。",
    "陸は塗らず海岸線で示します。斜線は海域の欠測・対象外で、海氷0%とは区別します。長期減少や過去の最小記録との比較は含みません。",
    "表示は数値の空間補間です。再生中は隣接する2時期の数値を補間し、欠測の穴を埋めません。元の格子値と表示値は区別して読めます。",
    "月平均間の移り変わりを示す補間であり、日々の海氷を観測したものではありません。",
    "海岸線のみの地図。 配色と地図はEarth Language 1.0.0に固定しています。",
    "地図を選ぶと元データの値を確認できます。拡大は画像の確認用で、観測データの解像度は変わりません。"
  ],
  "data": {
    "file": "observations.u8",
    "type": "uint8",
    "shape": [
      12,
      448,
      304
    ],
    "order": "frame-row-column",
    "noData": 255,
    "validRange": [
      0,
      100
    ],
    "xFirst": -3837500.0,
    "yFirst": 5837500.0,
    "stepMeters": 25000,
    "commonOceanCells": 26939,
    "commonMask": "common-ocean-mask.u8"
  },
  "version": 2,
  "sceneVersion": 3,
  "releaseId": "ab42a78f-65ab-4b05-959c-b4b158092ee6",
  "sceneSlug": "arctic-sea-ice",
  "heroFrame": 11,
  "dimensions": {
    "width": 1800,
    "height": 1600
  },
  "artwork": "artwork.png",
  "assets": [
    {
      "file": "artwork.png",
      "bytes": 267621,
      "sha256": "87bba9a3579fe5ebaade4b6192a6159d3c6bd6823d956d8f982c463bfd24c9bc",
      "contentType": "image/png"
    },
    {
      "file": "cell-coordinates.f32.gz",
      "bytes": 846975,
      "sha256": "baa84dc475f0135ff379baea986bf28035e6cc0c81bab0c43915c65d109e801f",
      "contentType": "application/gzip"
    },
    {
      "file": "common-ocean-mask.u8",
      "bytes": 136192,
      "sha256": "96836d7210d421fcf343324439438d79dcaafe047043b305cfdffccdec6b7f7c",
      "contentType": "application/octet-stream"
    },
    {
      "file": "earth-language.json",
      "bytes": 21709,
      "sha256": "c51ab2781ebb574483c7c7a01324d91ebd7f7c49b7152e4718b096aeab014baf",
      "contentType": "application/json"
    },
    {
      "file": "field-context.png",
      "bytes": 73167,
      "sha256": "68704d0e3c61b0e1aefe190a523a13a8eef740033bef2c4697e7676206b6cb5a",
      "contentType": "image/png"
    },
    {
      "file": "fields/00.u16.gz",
      "bytes": 227858,
      "sha256": "182ee1367d6e4ac8d0a951b72e3c40c1c23007808726ba59ea24da34577077eb",
      "contentType": "application/gzip"
    },
    {
      "file": "fields/01.u16.gz",
      "bytes": 282830,
      "sha256": "889f61bf50e7a0f77019bd776582b1abfa73476a10168aa8926b4e0e0321d1fd",
      "contentType": "application/gzip"
    },
    {
      "file": "fields/02.u16.gz",
      "bytes": 279383,
      "sha256": "2326d88715936f740c2d22059fd74f6f7d3e9fc058e5b7093d7a2e77dd6fbef8",
      "contentType": "application/gzip"
    },
    {
      "file": "fields/03.u16.gz",
      "bytes": 334168,
      "sha256": "0014df590fcdec12a1051abbe7225dd2f92b156f18a36f6ae96706caa140e2ae",
      "contentType": "application/gzip"
    },
    {
      "file": "fields/04.u16.gz",
      "bytes": 330941,
      "sha256": "5dc6518fa98bc735aaa095e8b4477212cd5188cf78448cae207501a9943e079e",
      "contentType": "application/gzip"
    },
    {
      "file": "fields/05.u16.gz",
      "bytes": 342105,
      "sha256": "6f75273ed7e9384de094d5d782957d63562e2830682915e0fb0247015a9c3dae",
      "contentType": "application/gzip"
    },
    {
      "file": "fields/06.u16.gz",
      "bytes": 331902,
      "sha256": "0e51098b1769871f2ad4e70ba8968fc02f0c989f9c3e64700c958039c9b7c0a8",
      "contentType": "application/gzip"
    },
    {
      "file": "fields/07.u16.gz",
      "bytes": 346547,
      "sha256": "a8e88883dcfd57aa876ec512ff88e41a6df66d486043f9995b88146e6d2df9ea",
      "contentType": "application/gzip"
    },
    {
      "file": "fields/08.u16.gz",
      "bytes": 372101,
      "sha256": "6bcf185e76de8d2071fc255e2f1c2a92e64904754ec913ed60e08fcbfb480971",
      "contentType": "application/gzip"
    },
    {
      "file": "fields/09.u16.gz",
      "bytes": 402808,
      "sha256": "e46e0ab8a3b56d0e6126a09ffa4e74225f092186fe6ac401d12625f2c88acea3",
      "contentType": "application/gzip"
    },
    {
      "file": "fields/10.u16.gz",
      "bytes": 342123,
      "sha256": "6d0cb50651ee3795b030aa44234c77e5efc9cc2c1effe97a62597e67fcc6adad",
      "contentType": "application/gzip"
    },
    {
      "file": "fields/11.u16.gz",
      "bytes": 282309,
      "sha256": "cf78f351c46028f7c4b0868a3e3fde607d3df48404963e023e126cf75ee59958",
      "contentType": "application/gzip"
    },
    {
      "file": "frames/00.png",
      "bytes": 202460,
      "sha256": "f632d92e5d45d030b48e33dfbc4333e44b6404686db733efdaef8429d5e15fe4",
      "contentType": "image/png"
    },
    {
      "file": "frames/01.png",
      "bytes": 231682,
      "sha256": "81eeb150e6cf485430d1f91813112b03ba5313bbdb530869f9dfaa96f008105e",
      "contentType": "image/png"
    },
    {
      "file": "frames/02.png",
      "bytes": 227886,
      "sha256": "1547e755b80afe90bbad8992ffa049e325da3a16908d1a6629b4f2db86f75692",
      "contentType": "image/png"
    },
    {
      "file": "frames/03.png",
      "bytes": 266694,
      "sha256": "12a9fbd683fe75e642f5282b8f3dc65d4553b080067f4e16d87f81ac40e77be1",
      "contentType": "image/png"
    },
    {
      "file": "frames/04.png",
      "bytes": 271094,
      "sha256": "63917cfd6f885e477e39f4c675ab9353c894d5fec4c88418fd02c4578f3d7ec4",
      "contentType": "image/png"
    },
    {
      "file": "frames/05.png",
      "bytes": 282674,
      "sha256": "fe2e1745a581ddc7f98763bd6fae0698ca6be5a8f64823456864336aa0cc246b",
      "contentType": "image/png"
    },
    {
      "file": "frames/06.png",
      "bytes": 277226,
      "sha256": "6f623c8b92a1689bb151e78cb72e3bbe298a4b06e743afbc43f4c0dfd33ffb86",
      "contentType": "image/png"
    },
    {
      "file": "frames/07.png",
      "bytes": 280858,
      "sha256": "7cba843f04e8690d666d69ca507fd1345418628ae51a5c55de5f3b8617e46c20",
      "contentType": "image/png"
    },
    {
      "file": "frames/08.png",
      "bytes": 314757,
      "sha256": "b271a73b8f033a1ab0817cf4f1d8c6e771e4e4fde2f16768f20dac27679f11b3",
      "contentType": "image/png"
    },
    {
      "file": "frames/09.png",
      "bytes": 332168,
      "sha256": "27dd734e1cef9094bdf577f9c22596f5f68814c15fbf237b8244624be7e7363a",
      "contentType": "image/png"
    },
    {
      "file": "frames/10.png",
      "bytes": 290343,
      "sha256": "ad2375daaed24dac9dc1ae9e6db232145b02a530f575a6f614df81db32a3bc2c",
      "contentType": "image/png"
    },
    {
      "file": "frames/11.png",
      "bytes": 244344,
      "sha256": "1b54c74a5713426a186905d45fa9049228406b561fe469b05865607ea9fcc72f",
      "contentType": "image/png"
    },
    {
      "file": "geography/ne_50m_coastline.geojson",
      "bytes": 1640858,
      "sha256": "271f1c4c1908312bac6b29d158ea1356544beafc129f260005300913aa5ea283",
      "contentType": "application/geo+json"
    },
    {
      "file": "geography/ne_50m_land.geojson",
      "bytes": 1636166,
      "sha256": "e874b27a51d146452be360cafb3cc50c86001074a67d534113e6534682f9826b",
      "contentType": "application/geo+json"
    },
    {
      "file": "ground.png",
      "bytes": 67761,
      "sha256": "1e8b1476acc6b1145697750f03bbe8ac836bf9ca221ab9cbf4b13308b64022a5",
      "contentType": "image/png"
    },
    {
      "file": "observations.u8",
      "bytes": 1634304,
      "sha256": "0d2756a348267235c2f0c5b8c5d69fc632b12995f9aab556def809a803ccefce",
      "contentType": "application/octet-stream"
    },
    {
      "file": "parity-samples.json",
      "bytes": 1768,
      "sha256": "e0a4abc4122bd3519faea8d51a9682d14656ad6385220931cabf9af0ad9b4947",
      "contentType": "application/json"
    },
    {
      "file": "pick-grid.u32.gz",
      "bytes": 132502,
      "sha256": "8274b954ced106a784b604323c93163f9573b7870857b69a6885a1c2de39c1dd",
      "contentType": "application/gzip"
    },
    {
      "file": "render-contract.json",
      "bytes": 5238,
      "sha256": "f1fe6c718c037d0a3910cacb028539686950de3c37af14879ef5c4b44cb303bb",
      "contentType": "application/json"
    }
  ],
  "field": {
    "width": 1800,
    "height": 1600,
    "encoding": "uint16-le-row-delta-normalized",
    "missing": 65535,
    "maximum": 65534,
    "contextFile": "field-context.png",
    "groundFile": "ground.png",
    "quantizationErrorMax": 0.0007629627368999298,
    "files": [
      "fields/00.u16.gz",
      "fields/01.u16.gz",
      "fields/02.u16.gz",
      "fields/03.u16.gz",
      "fields/04.u16.gz",
      "fields/05.u16.gz",
      "fields/06.u16.gz",
      "fields/07.u16.gz",
      "fields/08.u16.gz",
      "fields/09.u16.gz",
      "fields/10.u16.gz",
      "fields/11.u16.gz"
    ]
  },
  "readout": {
    "kind": "grid",
    "pickFile": "pick-grid.u32.gz",
    "coordinatesFile": "cell-coordinates.f32.gz",
    "width": 450,
    "height": 400,
    "dataFile": "observations.u8",
    "type": "uint8",
    "cellsPerFrame": 136192,
    "noData": 255,
    "validMaximum": 100,
    "unit": "%"
  },
  "artworkDimensions": {
    "width": 1800,
    "height": 1860
  },
  "renderContract": {
    "registryVersion": "1.0.0",
    "subject": "ICE",
    "mode": "night",
    "ground": "B4",
    "scale": "sequential",
    "interpolation": "srgb-channel-linear",
    "valueDomain": [
      0,
      100
    ],
    "background": "#15253a",
    "geography": "#22344a",
    "palette": [
      {
        "stop": 0.0,
        "color": "#15253a"
      },
      {
        "stop": 0.25,
        "color": "#32495b"
      },
      {
        "stop": 0.5,
        "color": "#748694"
      },
      {
        "stop": 0.75,
        "color": "#bec8cf"
      },
      {
        "stop": 1.0,
        "color": "#f3f5f7"
      }
    ],
    "thresholds": [],
    "missingColor": null,
    "lut": [
      "#15253a",
      "#15263b",
      "#16263b",
      "#16273c",
      "#17273c",
      "#17283d",
      "#18283d",
      "#18293e",
      "#192a3e",
      "#192a3f",
      "#1a2b3f",
      "#1a2b40",
      "#1a2c40",
      "#1b2c41",
      "#1b2d41",
      "#1c2d42",
      "#1c2e42",
      "#1d2f43",
      "#1d2f43",
      "#1e3044",
      "#1e3044",
      "#1f3145",
      "#1f3145",
      "#1f3246",
      "#203346",
      "#203347",
      "#213447",
      "#213448",
      "#223548",
      "#223549",
      "#23364a",
      "#23374a",
      "#24374b",
      "#24384b",
      "#24384c",
      "#25394c",
      "#25394d",
      "#263a4d",
      "#263a4e",
      "#273b4e",
      "#273c4f",
      "#283c4f",
      "#283d50",
      "#293d50",
      "#293e51",
      "#293e51",
      "#2a3f52",
      "#2a4052",
      "#2b4053",
      "#2b4153",
      "#2c4154",
      "#2c4254",
      "#2d4255",
      "#2d4355",
      "#2e4356",
      "#2e4456",
      "#2e4557",
      "#2f4558",
      "#2f4658",
      "#304659",
      "#304759",
      "#31475a",
      "#31485a",
      "#32495b",
      "#32495b",
      "#334a5c",
      "#344b5d",
      "#354c5e",
      "#364d5f",
      "#374e60",
      "#384f61",
      "#3a5061",
      "#3b5162",
      "#3c5263",
      "#3d5364",
      "#3e5465",
      "#3f5566",
      "#405667",
      "#415768",
      "#425869",
      "#43596a",
      "#445a6a",
      "#455a6b",
      "#465b6c",
      "#475c6d",
      "#485d6e",
      "#495e6f",
      "#4a5f70",
      "#4b6071",
      "#4c6172",
      "#4d6272",
      "#4e6373",
      "#4f6474",
      "#506575",
      "#516676",
      "#526777",
      "#536878",
      "#546979",
      "#556a7a",
      "#566b7b",
      "#586c7b",
      "#596d7c",
      "#5a6e7d",
      "#5b6f7e",
      "#5c707f",
      "#5d7080",
      "#5e7181",
      "#5f7282",
      "#607383",
      "#617483",
      "#627584",
      "#637685",
      "#647786",
      "#657887",
      "#667988",
      "#677a89",
      "#687b8a",
      "#697c8b",
      "#6a7d8c",
      "#6b7e8c",
      "#6c7f8d",
      "#6d808e",
      "#6e818f",
      "#6f8290",
      "#708391",
      "#718492",
      "#728593",
      "#738694",
      "#758794",
      "#768895",
      "#778996",
      "#788a97",
      "#798b98",
      "#7a8c99",
      "#7c8d9a",
      "#7d8e9b",
      "#7e8f9c",
      "#7f909d",
      "#80919e",
      "#81929f",
      "#8393a0",
      "#8494a0",
      "#8595a1",
      "#8696a2",
      "#8797a3",
      "#8898a4",
      "#8999a5",
      "#8b9aa6",
      "#8c9ba7",
      "#8d9ca8",
      "#8e9da9",
      "#8f9eaa",
      "#909fab",
      "#92a0ac",
      "#93a1ad",
      "#94a2ad",
      "#95a4ae",
      "#96a5af",
      "#97a6b0",
      "#99a7b1",
      "#9aa8b2",
      "#9ba9b3",
      "#9caab4",
      "#9dabb5",
      "#9eacb6",
      "#a0adb7",
      "#a1aeb8",
      "#a2afb9",
      "#a3b0b9",
      "#a4b1ba",
      "#a5b2bb",
      "#a6b3bc",
      "#a8b4bd",
      "#a9b5be",
      "#aab6bf",
      "#abb7c0",
      "#acb8c1",
      "#adb9c2",
      "#afbac3",
      "#b0bbc4",
      "#b1bcc5",
      "#b2bdc6",
      "#b3bec6",
      "#b4bfc7",
      "#b6c0c8",
      "#b7c2c9",
      "#b8c3ca",
      "#b9c4cb",
      "#bac5cc",
      "#bbc6cd",
      "#bdc7ce",
      "#bec8cf",
      "#bfc9cf",
      "#bfc9d0",
      "#c0cad1",
      "#c1cbd1",
      "#c2cbd2",
      "#c3ccd3",
      "#c4cdd3",
      "#c4cdd4",
      "#c5ced4",
      "#c6cfd5",
      "#c7d0d6",
      "#c8d0d6",
      "#c9d1d7",
      "#c9d2d8",
      "#cad2d8",
      "#cbd3d9",
      "#ccd4da",
      "#cdd5da",
      "#ced5db",
      "#ced6db",
      "#cfd7dc",
      "#d0d7dd",
      "#d1d8dd",
      "#d2d9de",
      "#d3d9df",
      "#d3dadf",
      "#d4dbe0",
      "#d5dce0",
      "#d6dce1",
      "#d7dde2",
      "#d8dee2",
      "#d8dee3",
      "#d9dfe4",
      "#dae0e4",
      "#dbe1e5",
      "#dce1e5",
      "#dde2e6",
      "#dde3e7",
      "#dee3e7",
      "#dfe4e8",
      "#e0e5e9",
      "#e1e5e9",
      "#e2e6ea",
      "#e2e7ea",
      "#e3e8eb",
      "#e4e8ec",
      "#e5e9ec",
      "#e6eaed",
      "#e7eaee",
      "#e7ebee",
      "#e8ecef",
      "#e9edef",
      "#eaedf0",
      "#ebeef1",
      "#eceff1",
      "#eceff2",
      "#edf0f3",
      "#eef1f3",
      "#eff1f4",
      "#f0f2f4",
      "#f1f3f5",
      "#f1f4f6",
      "#f2f4f6",
      "#f3f5f7"
    ],
    "transform": "linear",
    "missing": "separate",
    "clipping": "clamp-with-label",
    "quantization": "floor(clamp(t,0,1)*255+0.5)",
    "autoplay": false,
    "reducedMotion": "stop",
    "reliefOverlayDeltaLstar": 0,
    "unit": "%",
    "systemVersion": "1.2.0",
    "foundationsVersion": "6.0.0",
    "fieldRendering": {
      "kind": "continuous",
      "spatial": "bilinear-scalar",
      "missingPolicy": "preserve-nearest-mask",
      "colorOrder": "scalar-then-lut",
      "sourceResolution": "25 km 格子 / 月平均",
      "readout": "source-and-display",
      "temporal": {
        "method": "linear-scalar",
        "maxGapSeconds": 2764800,
        "missing": "both-valid",
        "loop": false,
        "label": "endpoints-and-fraction",
        "sourceStatistic": "monthly mean concentration"
      }
    }
  },
  "rendering": {
    "sampling": "bilinear scalar; preserve-nearest-mask; uint16 plane; 256-entry LUT",
    "reliefMeasuredMaxDeltaLstar": 0,
    "reliefAboveDataMaxDeltaLstar": 0,
    "coastline": "Natural Earth v5.1.2 1:50m",
    "terrain": null,
    "uiAppearanceIndependent": true
  },
  "acceptance": {
    "automatic": "passed",
    "browserInteraction": "blocked by unavailable browser security policy check",
    "humanPerceptualReview": "pending"
  },
  "provenance": {
    "previousRelease": "arctic-sea-ice-v1",
    "sourceDataSha256": "0d2756a348267235c2f0c5b8c5d69fc632b12995f9aab556def809a803ccefce",
    "registrySha256": "c51ab2781ebb574483c7c7a01324d91ebd7f7c49b7152e4718b096aeab014baf",
    "upstreamCommit": "5bde49f38dfeb1ff92d72089a98d5e64c8c9e1fa",
    "systemVersion": "1.2.0"
  }
}
