{
    "created": "2023-10-16 15:59:20",
    "updated": "2026-05-01 23:11:27",
    "id": "1472d68f-d56b-43a3-a25b-450ed9215a50",
    "version": 7,
    "ds_topic": null,
    "title_cn": "甘肃省12.5m分辨率数字高程模型(DEM)数据集",
    "title_en": "Gansu Province 12.5m Resolution Digital Elevation Model (DEM) Dataset",
    "ds_abstract": "<p>&emsp;&emsp;本数据集采用ALOS卫星的测绘成果，经过图像拼接、投影转化、裁剪等处理，生成甘肃省12.5 m分辨率数字高程模型（DEM）。数据可为甘肃省区域科学研究提供基础地理数据支持。</p>",
    "ds_source": "<p>&emsp;&emsp;数据来源于NASA EARTHDATA 网站：https://search.asf.alaska.edu/#/",
    "ds_process_way": "<p>&emsp;&emsp;利用ArcGIS软件，将分幅数据进行拼接、镶嵌等处理，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": "2023-10-09 00:00:00",
    "ds_acq_end_time": "2023-10-16 00:00:00",
    "ds_acq_place": "甘肃省",
    "ds_acq_lon_east": 108.7075,
    "ds_acq_lat_south": 32.596111111111114,
    "ds_acq_lon_west": 92.33777777777777,
    "ds_acq_lat_north": 42.79333333333333,
    "ds_acq_alt_low": 524.0,
    "ds_acq_alt_high": 5772.0,
    "ds_share_type": "login-access",
    "ds_total_size": 31713080164,
    "ds_files_count": 7,
    "ds_format": "tif",
    "ds_space_res": "12.5",
    "ds_time_res": "",
    "ds_coordinate": "WGS84",
    "ds_projection": "UTM",
    "ds_thumbnail": "1472d68f-d56b-43a3-a25b-450ed9215a50.jpg",
    "ds_thumb_from": 2,
    "ds_ref_way": "",
    "paper_ref_way": "",
    "ds_ref_instruction": "",
    "ds_from_station": null,
    "organization_id": "526ff655-4cd4-4650-bb86-6fd3481dfb65",
    "ds_serv_man": "敏玉芳",
    "ds_serv_phone": "09314967596",
    "ds_serv_mail": "ncdc@lzb.ac.cn",
    "doi_value": "",
    "subject_codes": [
        "170.45"
    ],
    "quality_level": 3,
    "publish_time": "2023-10-24 16:05:12",
    "last_updated": "2025-05-29 16:26:14",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "11738.11.NCDC.GSEER.DB4045.2023",
    "i18n": {
        "en": {
            "title": "Gansu Province 12.5m Resolution Digital Elevation Model (DEM) Dataset",
            "ds_format": "tif",
            "ds_source": "<p>&emsp;Data source: NASA EARTHDATA website: https://search.asf.alaska.edu/#/",
            "ds_quality": "<p>&emsp;The data quality is good.",
            "ds_ref_way": "",
            "ds_abstract": "<p> This dataset adopts the surveying and mapping results of ALOS satellite, and undergoes image stitching, projection transformation, cropping, and other processing to generate a 12.5 m resolution digital elevation model (DEM) for Gansu Province. The data can provide basic geographic data support for regional scientific research in Gansu Province</p>",
            "ds_time_res": "",
            "ds_acq_place": "Gansu Province",
            "ds_space_res": "12.5",
            "ds_projection": "UTM",
            "ds_process_way": "<p>&emsp;Using ArcGIS software, the segmented data is concatenated, embedded, and processed to obtain 12.5m resolution DEM data.",
            "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": [
        "甘肃省",
        "12.5m",
        "DEM"
    ],
    "ds_subject_tags": [
        "地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "甘肃省"
    ],
    "ds_time_tags": [
        2023
    ],
    "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": "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"
        }
    ],
    "ds_managers": [
        {
            "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"
        }
    ],
    "category": "遥感及产品"
}