本数据集采用SPA积雪观测系统在冬奥张家口赛区赛道附近进行自动观测得到。积雪观测系统水平传感器测量雪层深度；倾斜传感器测量距雪表5cm、20cm和40cm处密度、含水率、含冰率和雪水当量。\n
数据集共产生日值数据56组，分钟值数据8088组，以Microsoft Excel表格形式储存。数据要素详见说明信息表。", "ds_source": "
本数据通过SPA积雪观测系统直接观测所得。", "ds_process_way": "
SPA2积雪观测系统水平传感器测量雪层深度；倾斜传感器测量雪表、距雪表5cm、20cm和40cm处密度、含水率、含冰率和雪水当量。", "ds_quality": "
数据精度良好。", "ds_acq_start_time": "2021-02-17 00:00:00", "ds_acq_end_time": "2021-04-13 00:00:00", "ds_acq_place": "张家口冬奥赛场云顶滑雪公园B3018站点旁", "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": 1300851, "ds_files_count": 3, "ds_format": "*.xlsx", "ds_space_res": "", "ds_time_res": "天/10分钟", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "0d63f7b2-36f1-41fe-8820-e1f6289fe293.png", "ds_thumb_from": 2, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "“冬奥张家口赛区SPA雪质分析系统雪质逐分钟观测数据集（2021年）”来源于国家重点研发计划《冬奥雪场赛道雪质的判定、监测和预报》（项目编号：2020YFF0304401）。", "ds_from_station": null, "organization_id": "52f86cb3-7bfa-4b4b-ae86-0e38af374716", "ds_serv_man": "李红星", "ds_serv_phone": "0931-4967592", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [ "170.45" ], "quality_level": 3, "publish_time": "2023-07-10 10:41:50", "last_updated": "2026-05-20 17:22:42", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.NCDC.T-SNOW.DB2887.2023", "i18n": { "en": { "title": "Winter Olympics Zhangjiakou District SPA Snow Quality Analysis System Snow Quality Minute by Minute Observation Dataset (2021)", "ds_format": "*.xlsx", "ds_source": "
This data was directly observed through the SPA snow observation system.", "ds_quality": "
The data accuracy is good.", "ds_ref_way": "", "ds_abstract": "
This dataset was automatically observed using the SPA snow observation system near the Zhangjiakou Winter Olympics race track. The level sensor of the snow observation system measures the depth of the snow layer; Tilt sensors measure density, moisture content, ice content, and snow water equivalent at distances of 5cm, 20cm, and 40cm from the snow surface.\r\n
The dataset consists of 56 sets of birthday value data and 8088 sets of minute value data, stored in Microsoft Excel spreadsheet format. The data elements are detailed in the explanatory information table.", "ds_time_res": "", "ds_acq_place": "Next to Station B3018 of Yunding Ski Park at Zhangjiakou Winter Olympics Stadium", "ds_space_res": "", "ds_projection": "", "ds_process_way": "
SPA2 snow observation system horizontal sensor measures snow depth; Tilt sensors measure density, moisture content, ice content, and snow water equivalent at distances of 5cm, 20cm, and 40cm from the snow surface.", "ds_ref_instruction": "" } }, "submit_center_id": "ncdc", "data_level": 0, "recommendation_value": 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, "belong_to_nieer": false, "allow_update_data": false, "ds_topic_tags": [ "雪层密度", "雪层含水率", "雪层温度" ], "ds_subject_tags": [ "地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "冬奥张家口雪场" ], "ds_time_tags": [ 2021 ], "ds_contributors": [ { "true_name": "陈霞", "email": "chenxia1218@sina.com", "work_for": "河北省气候中心", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "陈霞", "email": "chenxia1218@sina.com", "work_for": "河北省气候中心", "country": "中国" } ], "ds_managers": [ { "true_name": "陈霞", "email": "chenxia1218@sina.com", "work_for": "河北省气候中心", "country": "中国" } ], "category": "积雪" }