本数据集由黑河综合遥感联合试验产生，2008年3月24日和3月25日在冰沟流域大冬树山垭口进行的两次积雪地基微波（6.925H/V，18.7H/V，36.5H/V）辐射观测。\n
\n该数据集包括5个子文件夹，分别为：亮温数据、积雪剖面含水量数据、雪粒径数据（3月25日）、积雪剖面密度、雪层温度。\n
\n观测内容包括：\n
\n1）亮温数据（微波辐射计测量）。\n
\n2）积雪参数观测，观测变量包括雪剖面温度（针式温度计和手持式红外温度计）；雪粒径（手持式显微镜）、湿度、密度；介电常数等（雪特性分析仪）。", "ds_source": "
2008年3月24日和3月25日在冰沟流域大冬树山垭口进行的两次积雪地基微波（6.925H/V，18.7H/V，36.5H/V）辐射观测，可以为机载－星载微波遥感的积雪参数反演和验证提供基本的数据集。\n
\n观测地点位于10°左右的缓坡上。雪为陈雪，有明显的积雪层和冰层交替现象。3月24日进行了长时间的连续观测，时间范围是北京时间（BJT）2008年3月24日11:42至17:28。3月25日只进行了多角度短时观测（同一山坡不同位置处）。辐射计波束的高度角（水平为0度）设定为-20°至-55°，5°步长。", "ds_process_way": "
观测内容包括：\n
\n1）亮温数据（微波辐射计测量）。两种格式：一种是由车载微波辐射计（TMMR）自带软件打开，后缀为.BRT；另外一种是文本文件（ASCII格式），文件中按列依次为：年、月、日、时、分、秒、6.925GHz(h)、6.925GHz(v)、10.65GHz(h)、10.65GHz(v) 、18.7GHz(h)、18.7GHz(v)、36.5GHz(h)、36.5GHz(v)、高度角、方位角。由于6.925GHz和10.65GHz 的故障问题没有参加试验，故数据中该四列的值均为0。\n
\n2）积雪参数观测，观测变量包括雪剖面温度（针式温度计和手持式红外温度计）；雪粒径（手持式显微镜）、湿度、密度；介电常数等（雪特性分析仪）。", "ds_quality": "
数据质量良好", "ds_acq_start_time": "2008-03-24 00:00:00", "ds_acq_end_time": "2008-03-25 00:00:00", "ds_acq_place": "黑河流域,冰沟流域加密观测区,上游寒区水文实验站", "ds_acq_lon_east": 100.44305555555556, "ds_acq_lat_south": 38.04333333333333, "ds_acq_lon_west": 100.58972222222222, "ds_acq_lat_north": 38.973888888888894, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 271454, "ds_files_count": 2, "ds_format": "doc", "ds_space_res": null, "ds_time_res": "日", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "3ab965b2-72d8-4a35-9f25-50d42e4bf1c6.png", "ds_thumb_from": 0, "ds_ref_way": "", "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": "10.12072/ncdc.NIEER.db1764.2022", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2022-03-14 11:36:57", "last_updated": "2025-06-30 16:06:26", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.NIEER.2021.1861", "i18n": { "en": { "title": "Heihe River Integrated Remote Sensing joint experiment: snow observation data set of rpg-8ch-dp ground-based microwave radiometer in intensive observation area of Binggou basin (March 24 and 25, 2008)", "ds_format": "doc", "ds_source": "
The two snow based microwave (6.925h/v, 18.7h/v, 36.5h / V) radiation observations at dadongshushan pass in Binggou basin on March 24 and March 25, 2008 can provide a basic data set for the inversion and verification of snow parameters by airborne satellite microwave remote sensing.\n
\nThe observation site is located on a gentle slope of about 10 °. The snow is old snow, with obvious alternation of snow layer and ice layer. A long-time continuous observation was conducted on March 24, 2008, from 11:42 to 17:28 Beijing time (BJT). On March 25, only multi angle short-time observation was carried out (at different positions on the same hillside). The height angle of the radiometer beam (0 degrees horizontally) is set to - 20 ° to - 55 ° steps.", "ds_quality": "
Good data quality", "ds_ref_way": "", "ds_abstract": "
This data set is generated by the joint experiment of Heihe comprehensive remote sensing. Two snow foundation microwave (6.925h/v, 18.7h/v, 36.5h / V) radiation observations were carried out at dadongshushan pass in Binggou basin on March 24 and March 25, 2008.\n
\nThe data set includes five subfolders: brightness temperature data, snow profile water content data, snow particle size data (March 25), snow profile density and snow layer temperature.\n
\nObservation contents include:\n
\n1) Brightness temperature data (measured by microwave radiometer).\n
\n2) Observation of snow parameters, including snow profile temperature (needle thermometer and hand-held infrared thermometer); Snow particle size (hand-held microscope), humidity and density; Dielectric constant, etc. (snow characteristic analyzer).
", "ds_time_res": "日", "ds_acq_place": "Heihe River Basin, Binggou River Basin, intensive observation area, upstream cold area hydrological experimental station", "ds_space_res": "", "ds_projection": "", "ds_process_way": "Observation contents include:\n
\n1) Brightness temperature data (measured by microwave radiometer). Two formats: one is opened by the onboard microwave radiometer (tmmr) with the suffix. BRT; The other is a text file (ASCII format), which is listed as follows: year, month, day, hour, minute, second, 6.925ghz (H), 6.925ghz (V), 10.65ghz (H), 10.65ghz (V), 18.7ghz (H), 18.7ghz (V), 36.5ghz (H), 36.5ghz (V), elevation angle and azimuth angle. Since the fault problems of 6.925ghz and 10.65ghz did not participate in the test, the values of the four columns in the data are 0.\n
\n2) Observation of snow parameters, including snow profile temperature (needle thermometer and hand-held infrared thermometer); Snow particle size (hand-held microscope), humidity and density; Dielectric constant, etc. (snow characteristic analyzer).", "ds_ref_instruction": "This data was generated by the \"Heihe Comprehensive Remote Sensing Joint Experiment\". When using the data, please clearly state the source of the data in the main text and cite the citation provided by this metadata in the reference section." } }, "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": [ "雪密度", "雪湿度", "雪层温度", "RPG-8CH-DP地基微波辐射计", "雪深", "亮度温度", "雪粒径" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "冰沟流域加密观测区", "上游寒区水文试验区", "黑河流域" ], "ds_time_tags": [ 2008 ], "ds_contributors": [ { "true_name": "赵少杰", "email": "geo_zhao@126.com", "work_for": "北京师范大学", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "赵少杰", "email": "geo_zhao@126.com", "work_for": "北京师范大学", "country": "中国" } ], "ds_managers": [ { "true_name": "赵少杰", "email": "geo_zhao@126.com", "work_for": "北京师范大学", "country": "中国" } ], "category": "遥感及产品" }