{
    "created": "2022-04-15 11:54:31",
    "updated": "2026-05-09 11:52:53",
    "id": "54b364a0-6795-49cf-93b3-bd17b7ff4517",
    "version": 5,
    "ds_topic": null,
    "title_cn": "甘肃省兰州市地形可视性分析数据集（2020年）",
    "title_en": "Terrain visibility analysis data set of Lanzhou City, Gansu Province (2020)",
    "ds_abstract": "<p>&emsp;&emsp;该数据为研究团队基于升轨和降轨的Sentinel-1A影像，运用SBAS-InSAR技术获取的甘肃省兰州市地形可视性数据，主要字段内容包括好可视区、透视收缩区、低敏感区、阴影区和叠掩区。\n</p>\n<p>&emsp;&emsp;原始雷达数据来源于欧洲航空航天局，方位向和距离向分辨率为5×20米，适用于具有雷达影像覆盖的陆地表面的地表形变监测；以ArcGIS为基础平台,通过计算雷达影像入射角与斜坡坡度和坡向的关系获取兰州市地形可视性数据。",
    "ds_source": "<p>&emsp;&emsp;该数据为研究团队基于升轨和降轨的Sentinel-1A影像，运用SBAS-InSAR技术获取的甘肃省兰州市地形可视性数据。",
    "ds_process_way": "<p>&emsp;&emsp;以ArcGIS为基础平台,利用坡度、坡向和栅格计算工具，计算雷达影像入射角与地形之间的关系，最终得到兰州市地形可视性分布图（好可视性、透视收缩、阴影区、叠掩区、低敏感区）。",
    "ds_quality": "<p>&emsp;&emsp;数据质量良好。",
    "ds_acq_start_time": "2020-01-01 00:00:00",
    "ds_acq_end_time": "2020-12-31 00:00:00",
    "ds_acq_place": "甘肃省兰州市主城区",
    "ds_acq_lon_east": 104.57444444444444,
    "ds_acq_lat_south": 35.57138888888889,
    "ds_acq_lon_west": 102.59944444444444,
    "ds_acq_lat_north": 36.99861111111111,
    "ds_acq_alt_low": null,
    "ds_acq_alt_high": null,
    "ds_share_type": "apply-access",
    "ds_total_size": 110530057,
    "ds_files_count": 2,
    "ds_format": "矢量",
    "ds_space_res": null,
    "ds_time_res": "",
    "ds_coordinate": "WGS84",
    "ds_projection": "",
    "ds_thumbnail": "54b364a0-6795-49cf-93b3-bd17b7ff4517.png",
    "ds_thumb_from": 0,
    "ds_ref_way": "曾润强，甘肃省兰州市地形可视性分析数据集（2020年），国家冰川冻土沙漠科学数据中心(www.ncdc.ac.cn)，2022，doi：10.12072/ncdc.LANDSLIDE.db2058.2022",
    "paper_ref_way": "",
    "ds_ref_instruction": "",
    "ds_from_station": null,
    "organization_id": "3e397ebe-36ab-4e95-9b1b-dfce93031c18",
    "ds_serv_man": "敏玉芳",
    "ds_serv_phone": "0931-4967596",
    "ds_serv_mail": "ncdc@lzb.ac.cn",
    "doi_value": "10.12072/ncdc.LANDSLIDE.db2058.2022",
    "subject_codes": [
        "170.4510"
    ],
    "quality_level": 3,
    "publish_time": "2022-04-20 09:30:44",
    "last_updated": "2022-04-20 17:25:24",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "11738.11.ncdc.LANDSLIDE.db2058.2022",
    "i18n": {
        "en": {
            "title": "Terrain visibility analysis data set of Lanzhou City, Gansu Province (2020)",
            "ds_format": "",
            "ds_source": "<pre><code>\n</code></pre>\n<p>&emsp; The data is the terrain visibility data of Lanzhou City, Gansu Province obtained by the research team using sbas-insar technology based on sentinel-1a images of orbit ascending and descending.",
            "ds_quality": "<pre><code>\n</code></pre>\n<p>&emsp; Good data quality.",
            "ds_ref_way": "",
            "ds_abstract": "<pre><code>\n</code></pre>\n<p>  The data is the terrain visibility data of Lanzhou City, Gansu Province obtained by the research team based on sentinel-1a images of orbit lifting and descending and using sbas-insar technology. The main fields include good visibility area, perspective shrinkage area, low sensitivity area, shadow area and overlay area.\n</p>\n<p>  The original radar data is from the European Aeronautics and space agency, with azimuth and range resolution of 5 × 20m, suitable for monitoring the surface deformation of the land surface covered by radar images; Based on ArcGIS, the terrain visibility data of Lanzhou city is obtained by calculating the relationship between the incidence angle of radar image and the slope gradient and aspect.</p>",
            "ds_time_res": "",
            "ds_acq_place": "Main urban area of Lanzhou City, Gansu Province",
            "ds_space_res": "",
            "ds_projection": "",
            "ds_process_way": "<pre><code>\n</code></pre>\n<p>&emsp; Taking ArcGIS as the basic platform, using slope, aspect and grid calculation tools, calculate the relationship between radar image incidence angle and terrain, and finally obtain the terrain visibility distribution map of Lanzhou City (good visibility, perspective shrinkage, shadow area, overlapping area and low sensitive area).",
            "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": [
        "升轨55轨道地形可视性",
        "降轨62轨道地形可视性",
        "升降轨融合地形可视性"
    ],
    "ds_subject_tags": [
        "自然地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "甘肃省兰州市主城区"
    ],
    "ds_time_tags": [
        2020
    ],
    "ds_contributors": [
        {
            "true_name": "曾润强",
            "email": "zengrq@lzu.edu.cn",
            "work_for": "兰州大学地质科学与矿产资源学院",
            "country": "中国"
        }
    ],
    "ds_meta_authors": [
        {
            "true_name": "曾润强",
            "email": "zengrq@lzu.edu.cn",
            "work_for": "兰州大学地质科学与矿产资源学院",
            "country": "中国"
        }
    ],
    "ds_managers": [
        {
            "true_name": "曾润强",
            "email": "zengrq@lzu.edu.cn",
            "work_for": "兰州大学地质科学与矿产资源学院",
            "country": "中国"
        }
    ],
    "category": "遥感及产品"
}