本数据集包含了2002年塔里木河干流盐渍化数据和2004年塔里木河干流盐渍化数据；包含2个矢量数据文件ZTG04026F2212204003A:2002;ZTG04026F2212204003A:2004 ；此数据集反映了塔里木河干流N 40.3°，E 81.5°;N 41.4°，E 84.0°空间范围内的土壤盐渍化情况；按照土壤盐渍化类型编码对两期（2002,2004）TM遥感影像数据进行预处理和人工解译分类，并加以实地验证和高精度验证所得的结果, 所得到的解译结果，经过实地验证和高精度验证，误差经过多次修正，验证率高达90%。该数据反映塔里木河上流因常年灌溉、洪水漫溢等原因导致的土壤盐碱化分布情况
", "ds_source": "2002年和2004年7月下旬TM遥感影像数据
", "ds_process_way": "本数据是由数据解译人员按照植被分类编码对所获得的TM遥感影像数据进行预处理和人工解译分类，最后加以实地验证和高精度验证所得的结果
", "ds_quality": "所得到的解译结果，经过实地验证和高精度验证，误差经过多次修正，验证率高达90%。
", "ds_acq_start_time": "2002-01-01 00:00:00", "ds_acq_end_time": "2004-01-01 00:00:00", "ds_acq_place": "新疆维吾尔自治区，塔里木河干流", "ds_acq_lon_east": 84.0, "ds_acq_lat_south": 40.5, "ds_acq_lon_west": 81.76666666666667, "ds_acq_lat_north": 41.666666666666664, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 3893972, "ds_files_count": 4, "ds_format": "矢量", "ds_space_res": null, "ds_time_res": "年", "ds_coordinate": "WGS84", "ds_projection": "GCS_Xian_1980", "ds_thumbnail": "76c2e64f-5809-4ad2-9853-d2269b9e87de.jpg", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "None", "ds_from_station": null, "organization_id": "52b7b79b-860c-49a5-9083-9a70cf8bed5a", "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": "2020-12-21 17:34:45", "last_updated": "2023-08-23 17:03:47", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.nieer.2020.1306", "i18n": { "en": { "title": "1:100000 Salinization Data in Upper Reaches of Tarim River (2002, 2004)", "ds_format": "Vector", "ds_source": "TM remote sensing image data in 2002 and late July 2004.
", "ds_quality": "After field verification and high-precision verification, the error has been corrected many times, and the verification rate is as high as 90%.
", "ds_ref_way": "", "ds_abstract": "This data set includes the salinization data of the main stream of Tarim River in 2002 and 2004, two vector data files ztg04026f21220403a: 2002, ztg040226f21224003a: 2004, which reflect N40.3° and E81.5° of the main stream of Tarim River; Soil salinization in the spatial range of N41.4° and E84.0°; according to the soil salinization type code, the TM remote sensing image data of two periods (20022004) were preprocessed and manually interpreted and classified, and the results of field verification and high-precision verification were carried out. After field verification and high-precision verification, the error was corrected many times, and the verification rate was up to 90%. This data reflects the distribution of soil salinization and alkalization in the upper reaches of Tarim River caused by perennial irrigation and flood.
", "ds_time_res": "年", "ds_acq_place": "Xinjiang Uygur Autonomous Region, Main Stream of Tarim River", "ds_space_res": "", "ds_projection": "GCS_Xian_1980", "ds_process_way": "This data is the result of preprocessing and manual interpretation and classification of TM remote sensing image data obtained by data interpreters according to vegetation classification codes, and finally undergoing on-site verification and high-precision verification
", "ds_ref_instruction": "In order to respect intellectual property rights, protect the rights and interests of data authors, expand the services of data centers, and evaluate the application potential of data, data users are requested to clearly indicate the data source and data authors in the research results (including published papers, works, data products and unpublished research reports, data products, etc.) produced by using data. For data reprinted (secondary or multiple releases), the author must also indicate the source of the original data." } }, "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": [ "新疆", "盐碱化", "自然资源数据库\\荒漠化", "盐渍化", "盐漠化", "塔里木河" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "塔里木河干流", "新疆维吾尔自治区" ], "ds_time_tags": [ 2002, 2004 ], "ds_contributors": [ { "true_name": "方晖", "email": "fanghui@ms.xjb.ac.cn", "work_for": "新疆生态与地理研究所", "country": "中国" }, { "true_name": "李锦", "email": "lijin@ms.xjb.ac.cn", "work_for": "新疆生态与地理研究所", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "李锦", "email": "lijin@ms.xjb.ac.cn", "work_for": "新疆生态与地理研究所", "country": "中国" } ], "ds_managers": [ { "true_name": "李锦", "email": "lijin@ms.xjb.ac.cn", "work_for": "新疆生态与地理研究所", "country": "中国" }, { "true_name": "方晖", "email": "fanghui@ms.xjb.ac.cn", "work_for": "新疆生态与地理研究所", "country": "中国" } ], "category": "沙漠与荒漠化" }