本数据集包含以下基础地理数据:
\n（1）甘肃省省级边界数据；\n
（2）甘肃省市级边界数据；\n
（3）甘肃省县级边界数据；\n
（4）甘肃省道路数据；\n
（5）甘肃省河流数据；\n
（6）甘肃省湖泊数据。", "ds_source": "
原始数据来源于国家基础地理信息中心，通过分幅数据拼接裁剪，形成甘肃省基础地理数据。", "ds_process_way": "
利用ARCGIS，ENVI等软件，对所需影像进行精纠正，确保相邻影像的误差小于一个像元，然后经过数字化，提取、整理和修编空间数据和属性数据。", "ds_quality": "
数据集通过严格的人工审核控制质量。", "ds_acq_start_time": null, "ds_acq_end_time": null, "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": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 54012142, "ds_files_count": 5, "ds_format": "Shp", "ds_space_res": null, "ds_time_res": "", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "87cef5db-305c-4cd6-86be-163c557cbaa2.jpg", "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": "526ff655-4cd4-4650-bb86-6fd3481dfb65", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967596", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [ "170.45" ], "quality_level": 3, "publish_time": "2023-08-23 17:25:32", "last_updated": "2025-06-30 16:30:16", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.NCDC.GSEER.DB3981.2023", "i18n": { "en": { "title": "Gansu Province Basic Geographic Dataset", "ds_format": "Shp", "ds_source": "
The original data is sourced from the National Basic Geographic Information Center, and the basic geographic data of Gansu Province is formed by splicing and cropping the segmented data.", "ds_quality": "
The dataset undergoes strict manual review to control its quality.", "ds_ref_way": "", "ds_abstract": "
This dataset contains the following basic geographic data:
\n(1) Provincial boundary data of Gansu Province;\n
(2) City level boundary data in Gansu Province;\n
(3) County level boundary data in Gansu Province;\n
(4) Road data in Gansu Province;\n
(5) River data in Gansu Province;\n
(6) Lake data in Gansu Province.
", "ds_time_res": "", "ds_acq_place": "Gansu Province", "ds_space_res": "", "ds_projection": "", "ds_process_way": "Using software such as ARCGIS and ENVI, the required images are finely corrected to ensure that the error between adjacent images is less than one pixel. Then, after digitization, spatial data and attribute data are extracted, organized, and edited.", "ds_ref_instruction": "\r\nWhen using data, users should clearly declare the source of the data in the main text and cite the citation method provided by this metadata in the reference 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": [ "甘肃省", "行政边界", "道路", "河流", "湖泊" ], "ds_subject_tags": [ "地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "甘肃省" ], "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" }