{
    "created": "2022-03-25 09:17:40",
    "updated": "2026-05-05 01:43:29",
    "id": "031dcc6d-71bc-4f76-972f-8829cf65135a",
    "version": 9,
    "ds_topic": null,
    "title_cn": "泾河流域90米分辨率数字高程模型（DEM）数据",
    "title_en": "Data of 90 meter resolution digital elevation model (DEM) in Jinghe River Basin",
    "ds_abstract": "<p>&emsp;&emsp;本数据集采用SRTM v41分幅数据，经过数据拼接、投影转换、裁剪等处理，生成泾河流域90 m分辨率数字高程模型（DEM）。",
    "ds_source": "<p>&emsp;&emsp;泾河流域90 m分辨率DEM数据来自NASA的SRTM v41 3s数据，该数据目前由USGS免费分发，可以从USGS FTP站点免费下载。",
    "ds_process_way": "<p>&emsp;&emsp;使用Python程序，将SRTM v41 3s分幅数据进行格式转换、拼接、裁剪等处理，按照泾河流域区域掩膜提取得到90 m分辨率DEM数据。",
    "ds_quality": "<p>&emsp;&emsp;数据质量良好。",
    "ds_acq_start_time": "2000-01-01 00:00:00",
    "ds_acq_end_time": "2000-12-31 00:00:00",
    "ds_acq_place": "泾河流域,甘肃省,陕西省,宁夏回族自治区",
    "ds_acq_lon_east": 108.86583333333333,
    "ds_acq_lat_south": 34.65,
    "ds_acq_lon_west": 106.19166666666668,
    "ds_acq_lat_north": 37.39888888888889,
    "ds_acq_alt_low": null,
    "ds_acq_alt_high": null,
    "ds_share_type": "login-access",
    "ds_total_size": 10182094,
    "ds_files_count": 2,
    "ds_format": "tif",
    "ds_space_res": "90米",
    "ds_time_res": "年",
    "ds_coordinate": "WGS84",
    "ds_projection": "UTM",
    "ds_thumbnail": "031dcc6d-71bc-4f76-972f-8829cf65135a.png",
    "ds_thumb_from": 2,
    "ds_ref_way": "",
    "paper_ref_way": "",
    "ds_ref_instruction": "用户在使用数据时请在正文中明确声明数据的来源，并在参考文献部分引用本元数据提供的引用方式。",
    "ds_from_station": null,
    "organization_id": "bf1ae243-c102-4b2d-a2f6-b698468f4401",
    "ds_serv_man": "敏玉芳",
    "ds_serv_phone": "0931-4967596",
    "ds_serv_mail": "ncdc@lzb.ac.cn",
    "doi_value": "10.12072/ncdc.JRiver.db1986.2022",
    "subject_codes": [
        "170.4510"
    ],
    "quality_level": 3,
    "publish_time": "2022-04-08 10:20:13",
    "last_updated": "2025-06-30 15:52:28",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "11738.11.ncdc.JRiver.db1986.2022",
    "i18n": {
        "en": {
            "title": "Data of 90 meter resolution digital elevation model (DEM) in Jinghe River Basin",
            "ds_format": "tif",
            "ds_source": "<p>&emsp;The 90 m resolution DEM data of Jinghe River Basin comes from the SRTM V41 3S data of NASA. The data is currently distributed free by USGS and can be downloaded free from USGS FTP site.",
            "ds_quality": "<p>&emsp;Good data quality.",
            "ds_ref_way": "",
            "ds_abstract": "<p> This data set adopts SRTM V41 framing data and generates a 90 m resolution digital elevation model (DEM) of Jinghe River basin after data splicing, projection conversion, clipping and other processing.</p>",
            "ds_time_res": "年",
            "ds_acq_place": "Jinghe River Basin, Gansu Province, Shaanxi Province, Ningxia Hui Autonomous Region",
            "ds_space_res": "90米",
            "ds_projection": "UTM",
            "ds_process_way": "<p>&emsp;Using Python program, the SRTM V41 3S framing data is processed by format conversion, splicing and clipping, and the 90 m resolution DEM data is extracted according to the regional mask of Jinghe River Basin.",
            "ds_ref_instruction": "When using the data, users should clearly state the source of the data in the text and quote the reference method provided by this metadata in the References section."
        }
    },
    "submit_center_id": "ncdc",
    "data_level": 0,
    "license_type": "CC 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": [
        "泾河流域",
        "DEM",
        "90米"
    ],
    "ds_subject_tags": [
        "自然地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "泾河流域",
        "甘肃省",
        "宁夏回族自治区",
        "陕西省"
    ],
    "ds_time_tags": [
        2000
    ],
    "ds_contributors": [
        {
            "true_name": "张耀南",
            "email": "yaonan@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_meta_authors": [
        {
            "true_name": "李红星",
            "email": "lihongxing@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": "敏玉芳",
            "email": "myf@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": "基础地理"
}