{
    "created": "2026-02-05 11:33:51",
    "updated": "2026-05-09 09:46:05",
    "id": "a77fc4bf-80e7-4495-ac2d-986fdd87ee71",
    "version": 3,
    "ds_topic": null,
    "title_cn": "天山乌鲁木齐河源1号冰川末端变化数据集（1980-2020年）",
    "title_en": "The dataset of changes at the end of Glacier No.1 at the source of the Urumqi River in Tianshan Mountains (1980-2020)",
    "ds_abstract": "<p>&emsp;&emsp;本数据集为1980-2020年天山乌鲁木齐河源1号冰川末端变化数据集。在1993年之前1号冰川为一宽尾山谷冰川，退缩距离为整体冰川值；1993年后分裂为两条独立的山谷冰川（习惯上称为1号冰川东支和西支），对两条分支分别进行观测。",
    "ds_source": "<p>&emsp;&emsp;自主产生。",
    "ds_process_way": "<p>&emsp;&emsp;标志点测量法：是确定末端（长度）变化的简单、有效的方法，通过卷尺等仪器重复测量冰舌末端到标志点的距离和角度来确定冰川末端的变化。",
    "ds_quality": "<p>&emsp;&emsp;严格按照世界冰川监测中心（WGMS）和国内相关冰川学观测调查方法、规范执行，每年在消融期末对天山乌鲁木齐河源1号冰川末端变化进行一次重复测量，获取每年一次的、能够进行比较的冰川末端进退资料，同时上报中国气候变化蓝皮书，用于表征我国大陆性冰川的长期退缩趋势。",
    "ds_acq_start_time": "1980-08-31 00:00:00",
    "ds_acq_end_time": "2020-08-31 00:00:00",
    "ds_acq_place": "天山乌鲁木齐河源1号冰川",
    "ds_acq_lon_east": 86.83055555555555,
    "ds_acq_lat_south": 43.10944444444445,
    "ds_acq_lon_west": 86.79944444444445,
    "ds_acq_lat_north": 43.12694444444445,
    "ds_acq_alt_low": 3780.0,
    "ds_acq_alt_high": 4250.0,
    "ds_share_type": "apply-access",
    "ds_total_size": 11062,
    "ds_files_count": 2,
    "ds_format": "excle",
    "ds_space_res": "",
    "ds_time_res": "年",
    "ds_coordinate": "无",
    "ds_projection": "",
    "ds_thumbnail": "a77fc4bf-80e7-4495-ac2d-986fdd87ee71.png",
    "ds_thumb_from": 2,
    "ds_ref_way": "",
    "paper_ref_way": "",
    "ds_ref_instruction": "",
    "ds_from_station": null,
    "organization_id": "76330c66-832b-46b3-b501-f5f6edb08dc2",
    "ds_serv_man": "敏玉芳",
    "ds_serv_phone": "09314967596",
    "ds_serv_mail": "ncdc@lzb.ac.cn",
    "doi_value": "",
    "subject_codes": [
        "170"
    ],
    "quality_level": 3,
    "publish_time": "2026-02-05 15:56:25",
    "last_updated": "2026-02-05 15:56:25",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "11738.11.NCDC.TIANSHAN.DB7118.2026",
    "i18n": {
        "en": {
            "title": "The dataset of changes at the end of Glacier No.1 at the source of the Urumqi River in Tianshan Mountains (1980-2020)",
            "ds_format": "excle",
            "ds_source": "<p>&emsp; &emsp; Independently generated.",
            "ds_quality": "<p>&emsp; &emsp; Strictly following the World Glacier Monitoring Center (WGMS) and relevant domestic glacier observation and survey methods and standards, a repeated measurement of the changes at the end of the melting period of the No.1 glacier at the source of the Urumqi River in the Tianshan Mountains is conducted every year to obtain annual and comparable glacier end retreat data. At the same time, it is reported to the Blue Book of Climate Change in China to characterize the long-term retreat trend of continental glaciers in China.",
            "ds_ref_way": "",
            "ds_abstract": "<p>&emsp; &emsp; This dataset is a dataset of changes in the end of Glacier No.1 at the source of the Urumqi River in the Tianshan Mountains from 1980 to 2020. Before 1993, Glacier No.1 was a wide tailed valley glacier with a retreat distance equal to the overall glacier value; After 1993, it split into two independent valley glaciers (commonly known as the eastern and western branches of Glacier 1), and observations were conducted on each branch separately.",
            "ds_time_res": "年",
            "ds_acq_place": "Tianshan Urumqi River Source No.1 Glacier",
            "ds_space_res": "",
            "ds_projection": "",
            "ds_process_way": "<p>&emsp; &emsp; Marking point measurement method: It is a simple and effective method to determine the change in the end (length) of a glacier by repeatedly measuring the distance and angle from the end of the ice tongue to the marking point using instruments such as a tape measure.",
            "ds_ref_instruction": ""
        }
    },
    "submit_center_id": "ncdc",
    "data_level": 0,
    "license_type": "https://creativecommons.org/licenses/by/4.0/",
    "doi_reg_from": "reg_local",
    "cstr_reg_from": "reg_local",
    "doi_not_reg_reason": null,
    "cstr_not_reg_reason": null,
    "is_paper_in_submitting": false,
    "ds_topic_tags": [
        "冰川末端变化",
        "河源1号",
        "天山"
    ],
    "ds_subject_tags": [
        "地球科学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "天山乌鲁木齐河源1号冰川"
    ],
    "ds_time_tags": [
        1980,
        1981,
        1982,
        1983,
        1984,
        1985,
        1986,
        1987,
        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,
        2019,
        2020
    ],
    "ds_contributors": [
        {
            "true_name": "牟建新",
            "email": "mujianxin@lzb.ac.cn",
            "work_for": "中国科学院西北生态环境资源研究院",
            "country": "中国"
        },
        {
            "true_name": "王璞玉",
            "email": "wangpuyu@lzb.ac.cn",
            "work_for": "天山冰川观测实验站",
            "country": ""
        }
    ],
    "ds_meta_authors": [
        {
            "true_name": "岳晓英",
            "email": "yuexiaoying@lzb.ac.cn",
            "work_for": "中国科学院西北生态环境资源研究院",
            "country": "中国"
        }
    ],
    "ds_managers": [
        {
            "true_name": "王飞腾",
            "email": "wangfeiteng@lzb.ac.cn",
            "work_for": "中国科学院西北生态环境资源研究院",
            "country": "中国"
        }
    ],
    "category": "冰川"
}