本数据集包含了2008-03-11至2012年4月11日阿柔冻融观测站的大孔径闪烁仪（LAS）观测数据，仪器型号为BLS450，产自德国。LAS发射端与接收端相距2390m ；LAS发射端经纬度为100°28′16.4″E，38°03′24.3″N；接收端经纬度为100°27′25.9E″，38°02′18.1N″；发射端离地高度为11.2m；接收端离地高度为11.5m；LAS有效高度为9.5m。\n观测内容为空气折射指数结构参数（Cn2）。LAS发射端发射频率为5Hz，接收端数据1分钟平均输出，数据最终处理为30分钟的平均周期。\n数据以csv格式存储，文件命名规则为WATER_LAS_阿柔_yyyymmdd-yyyymmdd（yyyymmdd-yyyymmdd为观测起止时间），缺值数据统一采用字符串None表示。\n数据更新至2012年4月，具体时间范围为：20080311-20081031，20090101-20120411。
", "ds_source": "仪器型号为BLS450，产自德国。LAS发射端与接收端相距2390m ；LAS发射端经纬度为100°28′16.4″E，38°03′24.3″N；接收端经纬度为100°27′25.9E″，38°02′18.1N″；发射端离地高度为11.2m；接收端离地高度为11.5m；LAS有效高度为9.5m。
", "ds_process_way": "观测内容为空气折射指数结构参数（Cn2）。LAS发射端发射频率为5Hz，接收端数据1分钟平均输出，数据最终处理为30分钟的平均周期
", "ds_quality": "数据质量良好
", "ds_acq_start_time": "2008-03-11 00:00:00", "ds_acq_end_time": "2012-04-11 00:00:00", "ds_acq_place": "黑河流域, 上游寒区水文试验区, 阿柔加密观测区, 阿柔冻融观测站", "ds_acq_lon_east": 100.45694444444445, "ds_acq_lat_south": 38.038333333333334, "ds_acq_lon_west": 100.47111111111111, "ds_acq_lat_north": 38.056666666666665, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 514810, "ds_files_count": 2, "ds_format": "txt", "ds_space_res": null, "ds_time_res": "日", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "66a61043-6e79-4364-8de7-f0e2c10f71ea.png", "ds_thumb_from": 0, "ds_ref_way": "刘绍民，黑河综合遥感联合试验：阿柔冻融观测站大孔径闪烁仪（LAS）数据集（2008-2012年），国家冰川冻土沙漠科学数据中心(www.ncdc.ac.cn)，2020，doi：10.12072/ncdc.NIEER.db0066.2020", "paper_ref_way": "", "ds_ref_instruction": "本数据由“黑河综合遥感联合试验”产生，用户在使用数据时请在正文中明确声明数据的来源，并在参考文献部分引用本元数据提供的引用方式。", "ds_from_station": null, "organization_id": "14df1d8b-6362-4c0f-b88e-b46d4abe5db9", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967596 ", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": null, "quality_level": 3, "publish_time": "2021-08-17 11:34:11", "last_updated": "2021-08-17 11:34:11", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.nieer.2020.1560", "i18n": { "en": { "title": "Heihe River comprehensive remote sensing joint test: large aperture scintillator (LAS) data set of aryo freeze-thaw observation station (2008-2012)", "ds_format": "", "ds_source": "The instrument model is bls450, made in Germany. The distance between the transmitter and receiver of LAS is 2390m; the longitude and latitude of Las transmitter is 100 ° 28 ′ 16.4 ″ e, 38 ° 03 ′ 24.3 ″ n; the longitude and latitude of receiver is 100 ° 27 ′ 25.9e ″, 38 ° 02 ′ 18.1n ″; the height of transmitter is 11.2m; the height of receiver is 11.5m; the effective height of LAS is 9.5m.
", "ds_quality": "Good data quality
", "ds_ref_way": "Large aperture scintillator (LAS) data set of arou freeze-thaw observation station (2008-2012), national glacier, frozen soil and desert scientific data center（ www.ncdc.ac.cn )，2020，doi：10.12072/ ncdc.NIEER.db0066 .2020", "ds_abstract": "This data set contains the observation data of large aperture scintillator (LAS) from March 11, 2008 to April 11, 2012. The instrument model is bls450, produced in Germany. The distance between Las transmitting end and receiving end is 2390m; The longitude and latitude of Las transmitting end are 100 ° 28 ′ 16.4 ″ e, 38 ° 03 ′ 24.3 ″ n; The longitude and latitude of the receiving end are 100 ° 27 ′ 25.9e ″, 38 ° 02 ′ 18.1n ″; The height of the transmitting end from the ground is 11.2m; The height from the receiving end to the ground is 11.5m; The effective height of LAS is 9.5m.\nThe observation content is the air refractive index structure parameter (cn2). The transmitting frequency of Las transmitter is 5Hz, the data at the receiver is output in 1 minute, and the final data processing is an average period of 30 minutes.\nThe data is stored in CSV format, and the file naming rule is water_ LAS_ Ah Rou_ Yyyymmdd yyyymmdd (yyyymmdd yyyymmdd is the observation start and end time). The missing value data is uniformly represented by the string none.\nThe data is updated to April 2012. The specific time range is 20080311-2008103120090101-20120411
", "ds_time_res": "日", "ds_acq_place": "Hydrological observation station in upper reaches of hanrou River Basin", "ds_space_res": "", "ds_projection": "", "ds_process_way": "The observation content is the air refractive index structure parameter (cn2). The transmitting frequency of Las transmitter is 5Hz, the average output of receiving data is 1 minute, and the final data processing is 30 minutes average cycle
", "ds_ref_instruction": " \nThis data is generated by the \"Heihe integrated remote sensing joint experiment\". When using the data, users should clearly state the source of the data in the text, and quote the reference mode provided by this metadata in the reference section." } }, "submit_center_id": "ncdc", "data_level": 0, "license_type": "CC 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": [ "大孔径闪烁仪", "气象水文", "蒸散发", "地表能量平衡", "显热通量" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "黑河流域", "上游寒区水文试验区", "阿柔冻融观测站", "阿柔加密观测区" ], "ds_time_tags": [ 2008, 2009, 2010, 2011, 2012 ], "ds_contributors": [ { "true_name": "刘绍民", "email": "smliu@bnu.edu.cn", "work_for": "北京师范大学", "country": "中国" }, { "true_name": "李新", "email": "lixin@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" }, { "true_name": "徐自为", "email": "xuzw@bnu.edu.cn", "work_for": "北京师范大学地理学与遥感科学学院", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "黄广辉", "email": "luckhgh@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": "徐自为", "email": "xuzw@bnu.edu.cn", "work_for": "北京师范大学地理学与遥感科学学院", "country": "中国" } ], "category": "遥感及产品" }