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": "2022-09-05 00:00:00", "ds_acq_end_time": "2022-09-05 00:00:00", "ds_acq_place": "阿坝州,成都市,甘孜州,泸定县,乐山市,凉山州,眉山市,雅安市,宜宾市,昭通市", "ds_acq_lon_east": 104.14416666666668, "ds_acq_lat_south": 27.75, "ds_acq_lon_west": 100.01583333333333, "ds_acq_lat_north": 31.39388888888889, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 473519828, "ds_files_count": 2, "ds_format": "tiff", "ds_space_res": "12.5m", "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "b5888926-932e-4218-bd51-3d34b0dfe786.png", "ds_thumb_from": 2, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "2e613a39-e838-4157-bc8b-1fb06ce35c61", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967596", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "10.12072/ncdc.NIEER.db2410.2022", "subject_codes": [ "170.45" ], "quality_level": 3, "publish_time": "2022-09-06 16:46:04", "last_updated": "2025-06-30 12:11:32", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.NIEER.db2410.2022", "i18n": { "en": { "title": "12.5m resolution digital elevation model (DEM) data of 200 km extended epicenter of the m s6.8 earthquake in Luding County, Ganzi Prefecture, Sichuan", "ds_format": "tiff", "ds_source": "Data source: NASA earthdata: https://search.asf.alaska.edu/#/
", "ds_quality": "The data quality is good
", "ds_ref_way": "", "ds_abstract": "The data set adopts the surveying and mapping results of ALOS satellite, and generates a 12.5 m resolution digital elevation model (DEM) through image mosaic, projection transformation, clipping and other processing.
", "ds_time_res": "", "ds_acq_place": "Aba Prefecture, Chengdu City, Ganzi Prefecture, Luding County, Leshan City, Liangshan Prefecture, Meishan City, Ya'an City, Yibin City, Zhaotong City", "ds_space_res": "12.5m", "ds_projection": "", "ds_process_way": "Using Python program, format conversion, splicing, cutting and other processing are carried out on the divided data 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": [ "四川甘孜州泸定县", "DEM", "12.5m" ], "ds_subject_tags": [ "地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "阿坝州", "成都市", "甘孜州", "泸定县", "乐山市", "凉山州", "眉山市", "雅安市", "宜宾市", "昭通市" ], "ds_time_tags": [ 2022 ], "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" }