\"本数据集是塔克拉玛干沙漠地表沙漠物质的磁化率数据，测定的样本数量共有250个，使用的仪器为Bartington磁化率仪，实验分析在中国科学院新疆生态与地理研究所中心实验室完成。该数据反映了塔克拉玛干沙漠地表物质磁化率参数的空间特征，对于塔克拉玛干沙漠古环境等方面的研究具有重要意义。\n本数据集塔克拉玛干沙漠中部不同类型表土沉积粒度组成和TOC、TN含量数据由中国科学院西北生态环境资源研究院分析完成。粒度分析仪器为Mastersizer 2000激光粒度分析仪器，测试范围为0.02-2000 μm；TOC和TN采用重铬酸钾分光光度法和凯氏定氮法。该数据反映了塔克拉玛干沙漠中部地区不同类型表土沉积的物质组成和土壤养分特征，对表土沉积现代过程和过去绿洲沙漠演化等方面的研究具有重要意义。\"
", "ds_source": "该数据通过对塔克拉玛干沙漠中部不同类型表土沉积进行样品进行采集，利用专业仪器测量获得。
", "ds_process_way": "\"本数据集磁化率数据共有250个，使用的仪器为Bartington磁化率仪，实验分析在中国科学院新疆生态与地理研究所中心实验室完成。\n粒度分析仪器为Mastersizer 2000激光粒度分析仪器，测试范围为0.02-2000 μm；TOC和TN采用重铬酸钾分光光度法和凯氏定氮法。\"
", "ds_quality": "来源于塔克拉玛干沙漠地表沙漠物质，使用仪器为Bartington磁化率仪，实验分析在中国科学院新疆生态与地理研究所中心实验室完成；来源于塔克拉玛干沙漠中部表土沉积，以不同类型沉积采集，包括冲洪积扇、河流沉积、河漫滩、芦苇湿地、草地、胡杨林、灌丛沙丘、流动沙丘和人工草方格，粒度分析仪器为Mastersizer 2000激光粒度分析仪器，测试范围为0.02-2000 μm；TOC和TN采用重铬酸钾分光光度法和凯氏定氮法测定。
", "ds_acq_start_time": null, "ds_acq_end_time": null, "ds_acq_place": "塔克拉玛干沙漠", "ds_acq_lon_east": null, "ds_acq_lat_south": null, "ds_acq_lon_west": null, "ds_acq_lat_north": null, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 268415, "ds_files_count": 5, "ds_format": "电子表格", "ds_space_res": null, "ds_time_res": "", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "dd7ac256-f4df-4b90-9336-0e47f05c564b.jpg", "ds_thumb_from": 2, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "a5877b42-96ea-4f13-af7e-246f355413d6", "doi_value": "", "subject_codes": [ "170.50" ], "quality_level": 1, "publish_time": "2024-09-25 11:53:17", "first_publish_time": "2024-09-25 11:53:17", "last_updated": "2025-03-07 15:35:05", "protected": false, "protected_to": null, "lang": "zh", "cstr": "33110.11.XIEG.xjsedata.2022.00000058", "license": null, "extra": null, "files_shape": [ { "name": "实体数据", "size": null, "is_dir": true }, { "name": "附件", "size": null, "is_dir": true } ], "features": null, "data_level": 0, "i18n": { "en": { "title": "Magnetic susceptibility and grain size data set of Taklimakan Desert topsoil samples (2022)", "ds_abstract": "\"This dataset is the magnetic susceptibility data of desert materials on the surface of the Taklimakan Desert. A total of 250 samples were measured. The instrument used is a Bartington magnetic susceptibility meter. The experimental analysis was completed in the Central Laboratory of Xinjiang Institute of Ecology and Geography, China Academy of Sciences. This data reflects the spatial characteristics of the magnetic susceptibility parameters of surface materials in the Taklimakan Desert, and is of great significance for the study of the palaeoenvironment of the Taklimakan Desert.\nThe grain size composition and TOC and TN content data of different types of topsoil sediments in the central Taklimakan Desert in this dataset were analyzed and completed by the Northwest Institute of Ecology, Environmental Resources, China Academy of Sciences. The particle size analysis instrument is a Mastersizer 2000 laser particle size analysis instrument with a test range of 0.02-2000 μm;TOC and TN use potassium dichromate spectrophotometry and Kjeldahl nitrogen determination method. This data reflects the material composition and soil nutrient characteristics of different types of topsoil sediments in the central Taklimakan Desert, and is of great significance for the study of the modern process of topsoil sedimentation and the evolution of oases and deserts in the past. \"
", "ds_source": "The data was obtained by collecting samples of different types of topsoil sediments in the central Taklimakan Desert and measuring them using professional instruments.
", "ds_process_way": "\"There are 250 magnetic susceptibility data in this dataset. The instrument used is a Bartington magnetic susceptibility meter. The experimental analysis was completed in the Central Laboratory of the Xinjiang Institute of Ecology and Geography, China Academy of Sciences.\nThe particle size analysis instrument is a Mastersizer 2000 laser particle size analysis instrument with a test range of 0.02-2000 μm;TOC and TN use potassium dichromate spectrophotometry and Kjeldahl nitrogen determination method. \"
", "ds_quality": "Material derived from the surface desert of the Taklimakan Desert, the instrument used was a Bartington magnetic susceptibility meter, and the experimental analysis was completed in the Central Laboratory of the Xinjiang Institute of Ecology and Geography, China Academy of Sciences; The topsoil sediments are derived from the central Taklimakan Desert and are collected from different types of sediments, including alluvial fans, river sediments, floodplains, reed wetlands, grassland, Populus euphratica forest, shrub sand dunes, mobile sand dunes and artificial grass grids. The particle size analysis instrument is Mastersizer 2000 laser particle size analysis instrument, with a test range of 0.02-2000 μm;TOC and TN are determined by potassium dichromate spectrophotometry and Kjeldahl nitrogen determination method.
", "ds_acq_place": "taklimakan desert", "ds_format": "spreadsheet" } }, "license_type": null, "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": [ "地貌", "磁化率", "土壤粒径" ], "ds_subject_tags": [ "地质学" ], "ds_class_tags": [], "ds_locus_tags": [ "塔克拉玛干沙漠" ], "ds_time_tags": [ 2022 ], "ds_contributors": [ "高鑫", "周杰", "赵永成" ], "ds_meta_authors": [ "周杰" ], "ds_managers": [ "刘冰" ], "category": "沙漠与荒漠化" }