{
    "created": "2025-05-14 17:21:43",
    "updated": "2026-05-09 17:34:16",
    "id": "7ac0a1a5-3d6c-46d9-aa1e-3114fa8470f8",
    "version": 2,
    "ds_topic": null,
    "title_cn": "新疆1:25万湖泊与河流分布数据（2000年）",
    "title_en": "",
    "ds_abstract": "<p>本数据包括新疆湖泊和河流要素，采用Albers等面积割圆锥投影，以2010年度TM遥感影像，利用ENVI、eCognition软件分类提取湖泊和河流要素，生成新疆湖泊与河流分布数据。数据属性信息见本数据文档。该数据可作为调查新疆地区湖泊和河流分布概况提供科学数据支持。</p>",
    "ds_source": "<p>2010年度TM遥感数据。</p>",
    "ds_process_way": "<p>利用ENVI、eCognition软件，通过选取对水体反映强烈的绿波段和近红外波段进行叠加计算，在生成的矢量层下叠加TM数据，通过人工干预修正，生产最后的数据产品。\n1.  波段选取，选取对水体反映强烈的绿波段和近红外波段；\n2.  波段计算，水体提取公式：TM2+TM3-TM4-TM5\n3.  矢量叠加，在生成的矢量层下叠加TM数据，进行人工干预修正。</p>",
    "ds_quality": "<p>数据采集按照矢量化标准执行，参照google earth高精度数据进行修正。</p>",
    "ds_acq_start_time": "2013-01-01 00:00:00",
    "ds_acq_end_time": "2013-12-31 00:00:00",
    "ds_acq_place": "",
    "ds_acq_lon_east": null,
    "ds_acq_lat_south": null,
    "ds_acq_lon_west": null,
    "ds_acq_lat_north": null,
    "ds_acq_alt_low": null,
    "ds_acq_alt_high": null,
    "ds_share_type": "在线下载",
    "ds_total_size": 881000,
    "ds_files_count": 1,
    "ds_format": ".shp格式",
    "ds_space_res": "无",
    "ds_time_res": "无",
    "ds_coordinate": "WGS84",
    "ds_projection": "WGS84",
    "ds_thumbnail": "7ac0a1a5-3d6c-46d9-aa1e-3114fa8470f8.png",
    "ds_thumb_from": 2,
    "ds_ref_way": "",
    "paper_ref_way": "",
    "ds_ref_instruction": "",
    "ds_from_station": null,
    "organization_id": "a5877b42-96ea-4f13-af7e-246f355413d6",
    "doi_value": "",
    "subject_codes": [
        "170.45"
    ],
    "quality_level": 1,
    "publish_time": "2025-05-14 19:51:40",
    "first_publish_time": null,
    "last_updated": "2025-05-28 18:58:28",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "33110.11.ariddc.00608",
    "license": null,
    "extra": null,
    "files_shape": [
        {
            "name": "新疆1_25万湖泊与河流分布数据（2000年）_数据实体.rar",
            "size": 881000,
            "is_dir": false
        }
    ],
    "features": null,
    "data_level": 0,
    "ds_topic_tags": [
        "湖泊",
        "河流"
    ],
    "ds_subject_tags": [
        "地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "新疆"
    ],
    "ds_time_tags": [
        2000
    ],
    "ds_contributors": [
        "李均力"
    ],
    "ds_meta_authors": [
        "李锦"
    ],
    "ds_managers": [
        "李锦"
    ],
    "category": "水文"
}