{
    "created": "2021-09-24 15:50:20",
    "updated": "2026-05-01 09:19:22",
    "id": "00998dc2-09f6-4dc6-a735-f8b135c86e52",
    "version": 4,
    "ds_topic": null,
    "title_cn": "渭河流域12.5米分辨率数字高程模型（DEM）数据 ",
    "title_en": "12.5m resolution digital elevation model (DEM) data of Weihe River Basin",
    "ds_abstract": "<p>&emsp;&emsp;该数据集采用ALOS卫星的测绘成果，经过图像拼接、投影转化、裁剪等处理，生成渭河流域12.5 m分辨率数字高程模型（DEM）。",
    "ds_source": "<p>&emsp;&emsp;数据来源于NASA EARTHDATA ：https://search.asf.alaska.edu/#/。",
    "ds_process_way": "<p>&emsp;&emsp;利用Python程序，将分幅数据进行格式转换、拼接、裁剪等处理，按照渭河流域区域得到12.5m分辨率DEM数据。",
    "ds_quality": "<p>&emsp;&emsp;数据质量良好。",
    "ds_acq_start_time": null,
    "ds_acq_end_time": null,
    "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": 696326536,
    "ds_files_count": 2,
    "ds_format": "tif",
    "ds_space_res": "12.5",
    "ds_time_res": "",
    "ds_coordinate": "WGS84",
    "ds_projection": "UTM",
    "ds_thumbnail": "00998dc2-09f6-4dc6-a735-f8b135c86e52.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 17:32:48",
    "last_updated": "2025-05-29 11:35:55",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "11738.11.ncdc.WRiver.2021.6",
    "i18n": {
        "en": {
            "title": "12.5m resolution digital elevation model (DEM) data of Weihe River Basin",
            "ds_format": "tif",
            "ds_source": "<p>&emsp; Data from NASA EARTHDATA : https://search.asf.alaska.edu/#/.",
            "ds_quality": "<p>&emsp;&emsp; Data quality is good.",
            "ds_ref_way": "",
            "ds_abstract": "<p>  The dataset adopts the mapping results from ALOS satellites, and generates a 12.5 m resolution digital elevation model (DEM) of the Weihe River Basin after image splicing, projection transformation, cropping and other processes.</p>",
            "ds_time_res": "",
            "ds_acq_place": "Weihe River Basin",
            "ds_space_res": "12.5",
            "ds_projection": "UTM",
            "ds_process_way": "<p>&emsp; Using Python program, the binned data were processed by format conversion, splicing and cropping to obtain 12.5m resolution DEM data according to the Weihe River Basin region.",
            "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",
        "DEM12.5米"
    ],
    "ds_subject_tags": [
        "自然地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "渭河流域"
    ],
    "ds_time_tags": [],
    "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"
}