本数据集包含2008年黑河上游青海祁连县阿柔乡（具有高海拔和复杂地形特征）的车载双偏振多普勒雷达观测数据。\n观测内容是250m×250m水平网格上每10分钟的双线偏振多普勒雷达高质量连续估测数据。\n观测地点：青海省海北藏族自治州祁连县阿柔乡（39.06°N，100.44°E，3002m）观测时间从2008年3月14日开始到2008年4月12日结束。\n观测试验的目的是利用同时进行的降水粒子滴谱仪观测和地面降水加密观测来探索在高寒区利用雷达联合观测并反演地面降水类型和强度的方法，建立系统化和连续的雷达观测数据集。\n所获得回波参量强度有：速度V、谱宽W、强度反射率差 、差传输相移 、比相差、相关系数和线性退偏振比Ldr。
", "ds_source": "自主生产（仪器观测）
", "ds_process_way": "原始数据，未经加工处理
", "ds_quality": "双偏振多普勒雷达波长为3cm、发射脉宽1us或2us可选、接收机灵敏度为-109dBm、发射波形水平或45度线偏振波可选，强度信号精度 为0.5dB，相位信号精度 0.1º。
", "ds_acq_start_time": "2008-03-14 00:00:00", "ds_acq_end_time": "2008-04-12 00:00:00", "ds_acq_place": "青海省海北藏族自治州祁连县阿柔乡", "ds_acq_lon_east": 92.72055555555556, "ds_acq_lat_south": 34.46055555555556, "ds_acq_lon_west": 92.72888888888889, "ds_acq_lat_north": 34.47888888888889, "ds_acq_alt_low": 3002.0, "ds_acq_alt_high": 3002.0, "ds_share_type": "login-access", "ds_total_size": 24357488255, "ds_files_count": 27, "ds_format": "rar", "ds_space_res": "150.0m", "ds_time_res": "分", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "f61aa744-a647-48f3-b3ac-fcbb53c09fe1.jpg", "ds_thumb_from": 2, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "None", "ds_from_station": null, "organization_id": "ac14d22b-55f5-400c-8452-3bc4e6373736", "ds_serv_man": "赵果", "ds_serv_phone": "0931-4967695", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [ "170.1540" ], "quality_level": 3, "publish_time": "2020-12-24 10:42:21", "last_updated": "2023-09-04 13:50:25", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.LASON-PL.2020.224", "i18n": { "en": { "title": "Observation data of Qinghai Arjun dual polarization Doppler Weather Radar in 2008", "ds_format": "rar", "ds_source": "Self production (instrument observation)
", "ds_quality": "The dual polarization Doppler radar is 3cm in wavelength, 1US or 2us in transmitting pulse width, 109dbm in receiver sensitivity, 45 degree linear polarization wave in transmitting waveform level, 0.5dB in intensity signal accuracy and 0.1 in phase signal accuracy.
", "ds_ref_way": "", "ds_abstract": "This data set contains the vehicle borne dual polarization Doppler radar observation data of aruo Township, Qilian County, Qinghai Province (with high altitude and complex terrain characteristics) in 2008.\nThe observation content is the high-quality continuous estimation data of dual polarization Doppler radar every 10 minutes on a 250 m × 250 m horizontal grid.\nObservation location: aruo township (39.06 ° n, 100.44 ° e, 3002m) of Qilian County, Haibei Tibetan Autonomous Prefecture, Qinghai Province. The observation time started on March 14, 2008 and ended on April 12, 2008.\nThe purpose of the observation experiment is to explore the method of joint radar observation and inversion of surface precipitation type and intensity in high and cold regions by using simultaneous precipitation particle drop spectrometer observation and intensive surface precipitation observation, and to establish a systematic and continuous radar observation data set.\nThe intensity of echo parameters obtained include velocity V, spectral width W, intensity reflectivity difference, differential transmission phase shift, phase contrast, correlation coefficient and linear depolarization ratio LDR.
", "ds_time_res": "分", "ds_acq_place": "A rou Township, Qilian County, Haibei Tibetan Autonomous Prefecture, Qinghai Province", "ds_space_res": "150.0m", "ds_projection": "", "ds_process_way": "Raw data, unprocessed
", "ds_ref_instruction": "In order to protect the rights and interests of the platform's scientific and technological resources, expand the service of the platform center, and enhance the application potential of the scientific and technological resources, resource users are requested to clearly indicate the resource sources and resource authors in the research results (including published papers, works, data products and unpublished research reports, data products and other results) produced by using the resources." } }, "submit_center_id": "ncdc", "data_level": 0, "license_type": "CC BY 4.0", "ds_topic_tags": [ "云物理", "气象", "双偏振多普勒气象雷达" ], "ds_subject_tags": [ "云与降水物理学" ], "ds_class_tags": [], "ds_locus_tags": [ "海北藏族自治州", "阿柔乡", "祁连县", "青海省" ], "ds_time_tags": [ 2008 ], "ds_contributors": [ { "true_name": "张彤", "email": "zhangt@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "张彤", "email": "zhangt@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" } ], "ds_managers": [ { "true_name": "张彤", "email": "zhangt@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" } ], "category": "气象" }