{
    "created": "2021-09-24 15:20:47",
    "updated": "2026-05-03 05:43:55",
    "id": "67087ea7-f70b-49d0-8748-62d8f38b4b82",
    "version": 3,
    "ds_topic": null,
    "title_cn": "渭河流域90米分辨率数字高程模型（DEM）数据",
    "title_en": "Digital Elevation Model (DEM) data with 90-meter resolution for the Weihe 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，生成渭河流域90 m分辨率数字高程模型（DEM）。",
    "ds_source": "<p>&emsp;&emsp;渭河流域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，按照渭河流域区域掩膜提取得到90 m分辨率DEM数据。",
    "ds_quality": "<p>&emsp;&emsp;SRTM DEM数据的垂直误差小于16 m。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": "渭河流域",
    "ds_acq_lon_east": 110.27444444444444,
    "ds_acq_lat_south": 33.69611111111111,
    "ds_acq_lon_west": 103.9713888888889,
    "ds_acq_lat_north": 37.40833333333333,
    "ds_acq_alt_low": null,
    "ds_acq_alt_high": null,
    "ds_share_type": "login-access",
    "ds_total_size": 32983304,
    "ds_files_count": 2,
    "ds_format": "tif",
    "ds_space_res": "90",
    "ds_time_res": "",
    "ds_coordinate": "WGS84",
    "ds_projection": "",
    "ds_thumbnail": "67087ea7-f70b-49d0-8748-62d8f38b4b82.png",
    "ds_thumb_from": 0,
    "ds_ref_way": "",
    "paper_ref_way": "",
    "ds_ref_instruction": "",
    "ds_from_station": null,
    "organization_id": "0d5fea4e-6fd7-4c70-b28b-3f91204c579a",
    "ds_serv_man": "敏玉芳",
    "ds_serv_phone": "0931-4967596",
    "ds_serv_mail": "ncdc@lzb.ac.cn",
    "doi_value": "",
    "subject_codes": [
        "170.4510"
    ],
    "quality_level": 3,
    "publish_time": "2021-09-28 17:34:39",
    "last_updated": "2025-05-29 11:35:55",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "11738.11.ncdc.WRiver.2021.8",
    "i18n": {
        "en": {
            "title": "Digital Elevation Model (DEM) data with 90-meter resolution for the Weihe River Basin",
            "ds_format": "tif",
            "ds_source": "<p>&emsp; The 90 m resolution DEM data for the Weihe River Basin are from NASA's SRTM v41 3s data, which is currently distributed free of charge by the USGS and can be downloaded for free from the USGS FTP site.",
            "ds_quality": "<p>&emsp; The vertical error of the SRTM DEM data is less than 16 m. The data quality is good.",
            "ds_ref_way": "",
            "ds_abstract": "<p>  This dataset adopts SRTM v41 binned data, and after data splicing, projection transformation, cropping and other processing, a 90 m resolution digital elevation model (DEM) of the Weihe River Basin is generated.</p>",
            "ds_time_res": "",
            "ds_acq_place": "Weihe River Basin",
            "ds_space_res": "90",
            "ds_projection": "",
            "ds_process_way": "<p>&emsp;Using the Python program, the SRTM v41 3s binned data were formatted, spliced, and cropped to obtain 90 m resolution DEM data extracted according to the Weihe River Basin regional mask.",
            "ds_ref_instruction": ""
        }
    },
    "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": [
        "渭河流域",
        "DEM90米"
    ],
    "ds_subject_tags": [
        "自然地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "渭河流域"
    ],
    "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"
}