{
    "created": "2025-04-15 12:35:29",
    "updated": "2026-05-09 12:45:14",
    "id": "a8cd5360-0b12-4e65-808f-1f7210d42fca",
    "version": 2,
    "ds_topic": null,
    "title_cn": "1880-2018年哈萨克斯坦巴尔喀什湖水位-面积",
    "title_en": "",
    "ds_abstract": "<p>本数据集包含1880—2000年文献记载的巴尔喀什湖年平均水位数据、和1992-2018年来自1972年9月至2017年10月TM遥感卫星分析提取的年平均水位和湖水表面面积数据，共148条数据。</p>",
    "ds_source": "<p>文献记录来自中亚哈萨克斯坦、乌兹别克斯坦和吉尔吉斯斯坦公布的数据（网站下载）和直接从中亚购买统计年鉴、相关专业书籍等。遥感分析数据来自对1972年9月至2017年10月TM遥感卫星的分析提取结果。</p>",
    "ds_process_way": "<p>文献数据的采集是对数据源中的信息进行中文翻译、数据筛选和整理。\n遥感分析数据是基于1972—2018年间的Landsat影像，采用全域-局部自适应迭代的阈值分割方法提取湖泊面积信息。</p>",
    "ds_quality": "<p>文献记录数据整理过程未做改动。遥感分析结果与文献记录数据平均误差0.18%。</p>",
    "ds_acq_start_time": "2019-01-01 00:00:00",
    "ds_acq_end_time": "2020-09-20 00:00:00",
    "ds_acq_place": "巴尔喀什湖",
    "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": 15158,
    "ds_files_count": 1,
    "ds_format": "xls",
    "ds_space_res": "无",
    "ds_time_res": "无",
    "ds_coordinate": "无",
    "ds_projection": "无",
    "ds_thumbnail": "a8cd5360-0b12-4e65-808f-1f7210d42fca.png",
    "ds_thumb_from": 0,
    "ds_ref_way": "",
    "paper_ref_way": "",
    "ds_ref_instruction": "",
    "ds_from_station": null,
    "organization_id": "a5877b42-96ea-4f13-af7e-246f355413d6",
    "doi_value": "",
    "subject_codes": [
        "170.55"
    ],
    "quality_level": 1,
    "publish_time": "2025-04-15 12:37:07",
    "first_publish_time": null,
    "last_updated": "2025-05-28 16:57:26",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "33110.11.ariddc.00360",
    "license": null,
    "extra": null,
    "files_shape": [
        {
            "name": "Lake Balkhash water level dataset, 1880-2018.xlsx",
            "size": 15158,
            "is_dir": false
        }
    ],
    "features": null,
    "data_level": 0,
    "ds_topic_tags": [
        "水位",
        "面积"
    ],
    "ds_subject_tags": [
        "水文学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "巴尔喀什湖"
    ],
    "ds_time_tags": [
        1988,
        1989,
        1990,
        1991,
        1992,
        1993,
        1994,
        1995,
        1996,
        1997,
        1998,
        1999,
        2000,
        2001,
        2002,
        2003,
        2004,
        2005,
        2006,
        2007,
        2008,
        2009,
        2010,
        2011,
        2012,
        2013,
        2014,
        2015,
        2016,
        2017,
        2018
    ],
    "ds_contributors": [
        "吉力力·阿不都外力",
        "罗毅",
        "黄粤",
        "刘铁"
    ],
    "ds_meta_authors": [
        "李锦"
    ],
    "ds_managers": [
        "刘铁"
    ],
    "category": "水文"
}