{
    "created": "2025-04-01 16:44:30",
    "updated": "2026-05-09 12:45:37",
    "id": "fceab05c-47c4-4f75-8613-4a8982b9b4f5",
    "version": 5,
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    "title_cn": "2015年咸海流域锡尔河-阿姆河范围内300米土地覆被数据",
    "title_en": "",
    "ds_abstract": "<p>该数据为2015年咸海流域锡尔河-阿姆河范围内300米土地覆被栅格数据。该数据集是在欧洲航天局的气候变化倡议土地覆盖产品（2015年）的基础上，经过叠加咸海流域边界矢量数据进行掩膜处理、格式转换，保留了原数据产品土地利用二级类，投影坐标WGS-1984坐标系，数据以tiff格式存储，整体准确率达到80%。</p>",
    "ds_source": "<p>欧洲航天局的气候变化倡议土地覆盖地图（2015年）：http://maps.elie.ucl.ac.be/CCI </p>",
    "ds_process_way": "<p>在欧洲航天局的气候变化倡议土地覆盖产品（2015年）的基础上，经过叠加咸海流域边界矢量数据进行掩膜处理、格式转换，保留了原数据产品土地利用二级类。</p>",
    "ds_quality": "<p>空间分辨率为300m×300m，投影坐标为GCS_WGS_1984。</p>",
    "ds_acq_start_time": "2015-01-01 00:00:00",
    "ds_acq_end_time": null,
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    "ds_share_type": "离线申请",
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    "ds_space_res": "300",
    "ds_time_res": "年",
    "ds_coordinate": "WGS84",
    "ds_projection": "WGS84",
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    "organization_id": "a5877b42-96ea-4f13-af7e-246f355413d6",
    "doi_value": "",
    "subject_codes": [
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    ],
    "quality_level": 1,
    "publish_time": "2025-04-01 17:15:22",
    "first_publish_time": null,
    "last_updated": "2025-05-07 11:17:47",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "33110.11.ariddc.00323",
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    "ds_topic_tags": [
        "土地利用",
        "土地覆被"
    ],
    "ds_subject_tags": [
        "地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "咸海流域",
        "阿姆河",
        "锡尔河"
    ],
    "ds_time_tags": [
        2015
    ],
    "ds_contributors": [
        "陈朝亮",
        "钱静",
        "刘铁"
    ],
    "ds_meta_authors": [
        "陈朝亮"
    ],
    "ds_managers": [
        "刘铁"
    ],
    "category": "土地利用/土地覆被"
}