碳酸盐沉积是湖泊中主要的无机碳汇，它随着气候变化和湖泊内部动态的变化而变化。对湖泊碳酸盐和气候之间关系的研究将有助于理解湖泊系统中碳循环的机制。猪野泽是中国干旱地区典型内陆流域的一个末端湖。本数据对猪野泽不同位置的沉积物样品的颗粒大小、碳酸盐含量和矿物学组成进行了测量。", "ds_source": "
实验数据。", "ds_process_way": "
TOC(%)和 TN(%)使用兰州大学化学化工学院分析测试中心的 Vario-III 元素分析仪测定。利用 X'Pert Pro MPD 测定了沉积物矿物成分；沉积物粒度通过Mastersizer 2000 激光衍射粒度分析仪测定；使用 Bartington MS2 型磁化率仪对每个样品进行低频磁化率(χlf)和高频磁化率(χhf)的测量，以上实验均在兰州大学西部环境教育部重点实验完成。", "ds_quality": "
TOC(%)和 TN(%)使用Vario-III 元素分析仪测定，分析误差<0.1%。X'Pert Pro MPD 衍射仪的X射线发生器最大输出功率3kw，最大管压60KV，最大管流60mA；测角仪半径为135-320mm；发散狭缝为固定狭缝。Mastersizer 2000 激光衍射粒度分析仪，测量范围0.02µm - 2000µm；光路为反傅立叶变换光学系统；光源为高稳定性红光主光源、高能量固体蓝光辅助光源；检测器为非均匀交叉排列主检测器，检测角度为0-135度。", "ds_acq_start_time": null, "ds_acq_end_time": null, "ds_acq_place": "祁连山地区", "ds_acq_lon_east": 104.0, "ds_acq_lat_south": 35.0, "ds_acq_lon_west": 92.0, "ds_acq_lat_north": 41.0, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 423936, "ds_files_count": 2, "ds_format": "excel", "ds_space_res": null, "ds_time_res": "", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "979a333d-cb48-4122-9882-e04f4ed2f555.png", "ds_thumb_from": 0, "ds_ref_way": "李育，祁连山下游湖泊环境演变数据集（10-0 ka BP），国家冰川冻土沙漠科学数据中心(www.ncdc.ac.cn)，2023，doi：10.12072/ncdc.nieer.db2732.2023", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "52109486-75ef-4764-a933-6380c6f42432", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967596", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "10.12072/ncdc.nieer.db2732.2023", "subject_codes": [ "170.99" ], "quality_level": 3, "publish_time": "2023-02-28 21:17:01", "last_updated": "2023-03-01 10:59:26", "protected": false, "protected_to": "2025-01-01 00:00:00", "lang": "zh", "cstr": "11738.11.ncdc.nieer.db2732.2023", "i18n": { "en": { "title": "Environmental evolution data of lakes in the lower reaches of Qilian Mountains", "ds_format": "", "ds_source": "
\n& emsp; Experimental data.", "ds_quality": "
\n& emsp; TOC (%) and TN (%) were determined with Vario-III element analyzer, and the analytical error was<0.1%. The maximum output power of X-ray generator of X'Pert Pro MPD diffractometer is 3kw, the maximum pipe pressure is 60KV, and the maximum pipe flow is 60mA; The radius of the goniometer is 135-320mm; The divergent slit is a fixed slit. Mastersizer 2000 laser diffraction particle size analyzer, measuring range 0.02 µ m - 2000 µ m; The optical path is an anti-Fourier transform optical system; The light source is a high stability red light main light source and a high energy solid blue light auxiliary light source; The detector is the main detector with non-uniform cross arrangement, and the detection angle is 0-135 degrees.", "ds_ref_way": "", "ds_abstract": "
\n& emsp; Carbonate deposition is the main inorganic carbon sink in lakes, which changes with climate change and dynamic changes in lakes. The study of the relationship between lake carbonate and climate will help to understand the mechanism of carbon cycle in the lake system. Juyeze is a terminal lake in a typical inland basin in China's arid region. This data measured the particle size, carbonate content and mineralogical composition of sediment samples at different locations of Juyeze.
", "ds_time_res": "", "ds_acq_place": "Qilian Mountain Region", "ds_space_res": "", "ds_projection": "", "ds_process_way": "\n& emsp; TOC (%) and TN (%) were determined by the Vario-III element analyzer of the Analysis and Test Center of the School of Chemistry and Chemical Engineering, Lanzhou University. The mineral composition of sediment was determined by X'Pert Pro MPD; The particle size of sediment was determined by Mastersizer 2000 laser diffraction particle size analyzer; Use Bartington MS2 magnetic susceptibility meter to measure the low frequency magnetic susceptibility of each sample（ χ Lf) and high frequency susceptibility（ χ Hf), the above experiments were completed in the key experiment of the Ministry of Environmental Education in the West of Lanzhou University.", "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": [ "祁连山", "全新世", "湖泊沉积" ], "ds_subject_tags": [ "地球科学其他学科" ], "ds_class_tags": [], "ds_locus_tags": [ "祁连山地区" ], "ds_time_tags": [], "ds_contributors": [ { "true_name": "李育", "email": "liyu@lzu.edu.cn", "work_for": "兰州大学资源环境学院", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "张占森", "email": "826872873@qq.com", "work_for": "兰州大学资源环境学院", "country": "中国" } ], "ds_managers": [ { "true_name": "李育", "email": "liyu@lzu.edu.cn", "work_for": "兰州大学资源环境学院", "country": "中国" } ], "category": "其他" }