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12.5 m分辨率数字高程模型（DEM）。", "ds_source": "
数据来源于NASA EARTHDATA ：https://search.asf.alaska.edu/#/
", "ds_process_way": "利用Python程序，将分幅数据进行格式转换、拼接、裁剪等处理，得到12.5m分辨率DEM数据。
", "ds_quality": "数据质量良好。
", "ds_acq_start_time": "2023-08-11 00:00:00", "ds_acq_end_time": "2023-08-11 00:00:00", "ds_acq_place": "陕西省西安市长安区滦镇街道喂子坪村鸡窝子组", "ds_acq_lon_east": 110.99277777777777, "ds_acq_lat_south": 32.05583333333333, "ds_acq_lon_west": 106.67, "ds_acq_lat_north": 35.661944444444444, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 1478815421, "ds_files_count": 2, "ds_format": "tiff", "ds_space_res": "12.5m", "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "4372631e-2e37-4330-b123-7302d4257a52.png", "ds_thumb_from": 2, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "b64adc85-6f0d-4baa-83cd-4008320aa8b5", "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": "2024-05-27 17:00:53", "last_updated": "2025-06-30 14:53:13", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.NCDC.NCDC.DB6476.2024", "i18n": { "en": { "title": "Jiwozi Formation debris flow disaster in Heziping Village, Luanzhen Street, Chang'an District, Xi'an City, Shaanxi Province, with a range of 200km and a resolution of 12.5m digital elevation model (DEM) data", "ds_format": "tiff", "ds_source": "The data is sourced from NASA EARTHDATA: https://search.asf.alaska.edu/#/
", "ds_quality": "The data quality is good.
", "ds_ref_way": "", "ds_abstract": "This dataset uses the surveying results of ALOS satellite, and after image stitching, projection conversion, cropping and other processing, generates a 12.5-meter resolution digital elevation model (DEM).
", "ds_time_res": "", "ds_acq_place": "Jiwozi Group, Heiziping Village, Luanzhen Street, Chang'an District, Xi'an City, Shaanxi Province", "ds_space_res": "12.5m", "ds_projection": "", "ds_process_way": "Using Python programs, perform format conversion, concatenation, cropping, and other processing on the segmented data to obtain 12.5m resolution DEM data.
", "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": [ "DEM", "12.5m", "西安市", "长安区", "滦镇街道", "喂子坪村", "鸡窝子组", "陕西省" ], "ds_subject_tags": [ "地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "西安市", "长安区", "滦镇街道", "喂子坪村", "鸡窝子组", "陕西省" ], "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": "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" }