本数据集包含以下基础地理数据：\n
\n①渭河流域边界数据：数据格式为Shape；\n
\n②渭河流域省界数据：流经的三大省份（甘肃省、陕西省、宁夏回族自治区），数据格式为Shape；\n
\n③渭河流域省会城市；\n
\n④渭河流域地级市：流经的地级市有：固原市，吴忠市，榆林市，延安市，渭南市，商洛市，西安市，咸阳市，铜川市，宝鸡市，平凉市，庆阳市，天水市，定西市，白银市等；\n
\n⑤渭河流域湖泊数据：数据格式为Shape；\n
\n⑥渭河流域县界数据；\n
\n⑦渭河流域主要河流数据；\n
\n⑧渭河流域公路，铁路数据。", "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，形成渭河流域基础地理数据。", "ds_process_way": "
利用GIS，ENVI等遥感软件，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": "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": 1548767298, "ds_files_count": 5, "ds_format": "shp", "ds_space_res": null, "ds_time_res": "", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "8c139c95-3de0-4055-8d1b-589baa6e13dd.png", "ds_thumb_from": 2, "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 17:36:46", "last_updated": "2025-05-29 11:36:27", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.WRiver.2021.10", "i18n": { "en": { "title": "Weihe River Basin Basic Geographic Dataset", "ds_format": "shp", "ds_source": "
The original data comes from the National Center for Basic Geographic Information, and the basic geographic data of the Weihe River Basin is formed by splicing and cropping the data in separate frames.", "ds_quality": "
Data sets are quality controlled through rigorous manual review.", "ds_ref_way": "", "ds_abstract": "
This dataset contains the following underlying geographic data:\n
\n① Weihe River Basin boundary data: data format is Shape;\n
\n② Weihe River Basin Provincial Boundary Data: The three major provinces (Gansu, Shaanxi, and Ningxia Hui Autonomous Region) through which the river flows, with the data format of Shape;\n
\n③ The capital city of the Weihe River Basin;\n
\n④ Weihe River Basin prefecture-level cities: the flow through the prefecture-level cities are: Guyuan City, Wuzhong City, Yulin City, Yan'an City, Weinan City, Shangluo City, Xi'an City, Xianyang City, Tongchuan City, Baoji City, Pingliang City, Qingyang City, Tianshui City, Dingxi City, Baiyin City and so on;\n
\n⑤ Data on lakes in the Weihe River Basin: the data format is Shape;\n
\n⑥ County boundary data for the Weir River Basin;\n
\n⑦ DData on the main rivers of the Weihe River Basin;\n
\n⑧ Highway and railroad data for the Weihe River Basin.
", "ds_time_res": "", "ds_acq_place": "Weihe River Basin", "ds_space_res": "", "ds_projection": "", "ds_process_way": "Using remote sensing software such as GIS, ENVI, etc., the required images are fine-corrected to ensure that the error of adjacent images is less than one pixel, and then digitized, spatial and attribute data are extracted, sorted, and trimmed.", "ds_ref_instruction": "" } }, "submit_center_id": "ncdc", "data_level": 0, "recommendation_value": 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": [ "省界", "渭河流域", "湖泊", "县界", "道路" ], "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" }