{
    "created": "2024-09-24 11:43:13",
    "updated": "2026-05-09 12:45:51",
    "id": "905bd7a9-284b-4464-80c7-ebbda6691bed",
    "version": 10,
    "ds_topic": null,
    "title_cn": "1990、2000、2010年咸海流域土地利用矢量数据集",
    "title_en": "",
    "ds_abstract": "<p>本数据集为1990、2000、2010年咸海流域锡尔河、阿姆河流域范围的土地利用数据集，土地利用类型分为耕地，园地，林地， 牧草地，居民点集工矿用地，交通运输用地，水域，未利用地共8大类37个小类。数据以.shp矢量格式存储。\n</p>",
    "ds_source": "<p>由中国科学院战略性先导科技专项（A类）“泛第三极环境变化与绿色丝绸之路建设”（项目编号XDA20000000）提供。</p>",
    "ds_process_way": "<p>遥感自动解译与实地验证相结合。</p>",
    "ds_quality": "",
    "ds_acq_start_time": "1990-01-01 00:00:00",
    "ds_acq_end_time": "2010-12-31 00:00:00",
    "ds_acq_place": "咸海",
    "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": "离线申请",
    "ds_total_size": 1392457305,
    "ds_files_count": 3,
    "ds_format": "矢量数据",
    "ds_space_res": "无",
    "ds_time_res": "每10年",
    "ds_coordinate": "WGS84",
    "ds_projection": "WGS84",
    "ds_thumbnail": "905bd7a9-284b-4464-80c7-ebbda6691bed.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": "2025-05-06 13:40:53",
    "first_publish_time": null,
    "last_updated": "2025-05-06 13:40:53",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "33110.11.ariddc.00120",
    "license": null,
    "extra": null,
    "files_shape": [
        {
            "name": "aral_lucc_1990.rar",
            "size": 594831604,
            "is_dir": false
        },
        {
            "name": "aral_lucc_2000.rar",
            "size": 436988282,
            "is_dir": false
        },
        {
            "name": "aral_lucc_2010.rar",
            "size": 360637419,
            "is_dir": false
        }
    ],
    "features": null,
    "data_level": 0,
    "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"
    ],
    "ds_time_tags": [
        1990,
        2000,
        2010
    ],
    "ds_contributors": [
        "刘铁"
    ],
    "ds_meta_authors": [
        "李锦"
    ],
    "ds_managers": [
        "刘铁"
    ],
    "category": "土地利用/土地覆被"
}