降水中的稳定同位素在气候和水文系统中都起着至关重要的作用，对时间和空间的变化都表现出敏感性。该数据集包含1961—2022年欧亚大陆降水稳定同位素数据，它总共包括 842 个站点，共有 51,752 条数据记录，可以提供更详细的气候和水文信息。旨在为气候研究、地球系统研究、水循环研究和古气候重建提供更全面的数据支持。", "ds_source": "
该数据集使用了δ18O 和δ21961 年至 2022 年欧亚大陆 842 个采样点降水的 H 稳定同位素数据。
\n该数据集包括测量数据和从各种来源收集的数据。收集的数据主要来自水同位素网站（https://wateriso.utah.edu/waterisotopes/index.html） 和原子能机构运营的全球降水稳定同位素网络。在这项研究中，我们共收集了45782条数据记录，其中包括3676条来自文献来源的记录。实测数据由西北师范大学石羊河流域综合观测站采集、分析整理，共计2297条数据记录。此外，本研究中使用的气象数据来自 CRUTS v. 4.07 数据集 （https://crudata.uea.ac.uk/cru/data/hrg/）、 NCEP-NCAR 再分析数据集（https://psl.noaa.gov/data/gridded/data.ncep.reanalysis.html） 和 Köppen 的全球气候分类数据。", "ds_process_way": "
1、对收集到的原始数据进行了预处理和数据清理。插入缺失的数据，删除无法完成的条目，并消除重复数据。
\n2、使用标准雨量计采集降水样本。\n
\n3、在分析之前，沉淀样品在室温下自然解冻。使用 0.45 μm 滤膜滤除杂质，并将样品转移到 2 mL 样品瓶中。使用液态水同位素分析仪（DLT-100，Los Gatos Research，USA）测量同位素值。对于任何异常值或未通过液态水同位素分析仪 （LWIA） 后分析软件检查的值，选择平行样品进行重新测量以确保数据准确性。
\n4、对两个气候带降水中稳定同位素的时间变化进行了Mann-Kendall（MK）检验。", "ds_quality": "
数据质量良好。
", "ds_acq_start_time": "1961-01-01 00:00:00", "ds_acq_end_time": "2022-12-31 00:00:00", "ds_acq_place": "亚欧大陆", "ds_acq_lon_east": 169.75, "ds_acq_lat_south": 10.75, "ds_acq_lon_west": 9.5, "ds_acq_lat_north": 77.71666666666667, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 3809976, "ds_files_count": 2, "ds_format": "xlsx", "ds_space_res": "", "ds_time_res": "月", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "54b81ad9-dce4-4951-b260-dd7e6083e2c3.png", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "17c60d5d-6b8a-462e-95c5-bc37a0641921", "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": "2024-04-25 15:21:19", "last_updated": "2026-01-14 10:09:11", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.NCDC.MENDELEY.DB6450.2024", "i18n": { "en": { "title": "Stable Isotope Dataset of Precipitation in Eurasia (1961-2022)", "ds_format": "xlsx", "ds_source": "This dataset uses δ< 18O and δ< H stable isotope data of precipitation at 842 sampling points in Eurasia from 1961 to 2022.
\nThis dataset includes measurement data and data collected from various sources. The collected data mainly comes from water isotope websites（ https://wateriso.utah.edu/waterisotopes/index.html ）The Global Precipitation Stable Isotope Network operated by the Atomic Energy Agency. In this study, we collected a total of 45782 data records, including 3676 records from literature sources. The measured data was collected, analyzed and organized by the Shiyang River Basin Comprehensive Observation Station of Northwest Normal University, with a total of 2297 data records. In addition, the meteorological data used in this study were from the CRUTS v.4.07 dataset（ https://crudata.uea.ac.uk/cru/data/hrg/ ）NCEP-NCAR reanalysis dataset（ https://psl.noaa.gov/data/gridded/data.ncep.reanalysis.html ）And K ö ppen's global climate classification data.", "ds_quality": "
The data quality is good.", "ds_ref_way": "", "ds_abstract": "
Stable isotopes in precipitation play a crucial role in both climate and hydrological systems, exhibiting sensitivity to changes in time and space. This dataset contains stable isotope data of precipitation in the Eurasian continent from 1961 to 2022. It includes a total of 842 stations and 51752 data records, providing more detailed climate and hydrological information. Intended to provide more comprehensive data support for climate research, Earth system research, water cycle research, and paleoclimate reconstruction.
", "ds_time_res": "月", "ds_acq_place": "Eurasian continent", "ds_space_res": "", "ds_projection": "", "ds_process_way": "1. The collected raw data was preprocessed and cleaned up. Insert missing data, delete incomplete entries, and eliminate duplicate data
\n2. Collect precipitation samples using standard rain gauges.\n
\n3. Before analysis, the precipitated sample is naturally thawed at room temperature. Use 0.45 μ Filter impurities through the membrane and transfer the sample to a 2 mL sample bottle. Measure isotope values using a liquid water isotope analyzer (DLT-100, Los Gatos Research, USA). For any abnormal values or values that have not been checked by the liquid water isotope analyzer (LWIA) post analysis software, parallel samples are selected for re measurement to ensure data accuracy
\n4. Mann Kendall (MK) tests were conducted on the temporal variations of stable isotopes in precipitation from two climate zones.", "ds_ref_instruction": "" } }, "submit_center_id": "ncdc", "data_level": 0, "license_type": "CC BY 4.0", "doi_reg_from": "reg_outside", "cstr_reg_from": "reg_outside", "doi_not_reg_reason": null, "cstr_not_reg_reason": null, "is_paper_in_submitting": false, "ds_topic_tags": [ "亚欧大陆", "降水", "稳定同位素" ], "ds_subject_tags": [ "地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "亚欧大陆" ], "ds_time_tags": [ 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 ], "ds_contributors": [ { "true_name": "朱国峰", "email": "zhugf@nwnu.edu.cn", "work_for": "西北师范大学地理与环境科学学院", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "朱国峰", "email": "zhugf@nwnu.edu.cn", "work_for": "西北师范大学地理与环境科学学院", "country": "中国" } ], "ds_managers": [ { "true_name": "朱国峰", "email": "zhugf@nwnu.edu.cn", "work_for": "西北师范大学地理与环境科学学院", "country": "中国" } ], "category": "气象" }