2008年5月25日在临泽站加密观测区荒漠东西样带、荒漠南北样带和五里墩农田样方开展L&K波段机载微波辐射计地面同步观测，共进行了土壤水分，地表辐射温度和多角度反射率观测。\n
\n1．土壤水分观测；观测目标：0-5cm表层土壤。观测仪器：环刀（体积50cm^3），ML2X土壤水分速测仪。观测样方和采样次数：荒漠东西样带（包含40个子样方，每个子样方角点环刀各1次采样）、荒漠南北样带（包含9个子样方，每个子样方内环刀3次采样），农田样方中9个小样方中点采样，中心的5号样方加密，4个角点也测量（每个测点环刀1次采样，ML2X土壤水分速测仪1次观测）。预处理数据为土壤体积含水量。数据存储：Excel。\n
\n2．地表辐射温度观测；观测仪器：手持式红外温度计（寒旱所5#，寒旱所6#，地理所）；仪器均经过定标（请参考手持红外温度计定标数据.xls）。观测样方和观测次数：荒漠东西和南北样带内，在飞机过境时刻每个小样方采样数次； 五里墩农田样方在飞机过境时刻自东向西每间隔15米采样2次。预处理数据根据热红外定标数据（标准源为黑体），将各仪器的实测温度与相应黑体温度进行直线拟合，求得拟合方程，再利用上述拟合的方程，对观测的原始观测数据进行定标处理。数据存储：Excel。\n
\n3．BRDF观测；观测仪器：北师大ASD光谱仪，350～2 500 nm；参考板信息6月15日前使用40%参考板，之后改换成20%参考板；多角度观测架包括北京师范大学旧多角度观测架一台、北师大2008年新制多角度观测架一台、遥感所新制多角度观测架一台。观测样方：五里墩农田样方。样本类型：玉米。存储方式： 本数据集包括原始数据和处理后数据，原始数据由二进制文件和记录表构成，二进制文件可由ViewSpecPro软件读取；处理后的反射率和透射率是文本格式。\n
\n样方样带的分布和编号信息请参见元数据“黑河综合遥感联合试验：临泽站加密观测区样方样带布置”，样方位置见临泽站加密观测站样方样带坐标.xls。
", "ds_source": "2008年5月25日在临泽站加密观测区荒漠东西样带、荒漠南北样带和五里墩农田样方开展L&K波段机载微波辐射计地面同步观测，共进行了土壤水分，地表辐射温度和多角度反射率观测。
", "ds_process_way": "1．土壤水分观测。荒漠东西样带（包含40个子样方，每个子样方角点环刀各1次采样）、荒漠南北样带（包含9个子样方，每个子样方内环刀3次采样），农田样方中9个小样方中点采样，中心的5号样方加密，4个角点也测量（每个测点环刀1次采样，ML2X土壤水分速测仪1次观测）。\n
\n2．地表辐射温度观测。荒漠东西和南北样带内，在飞机过境时刻每个小样方采样数次； 五里墩农田样方在飞机过境时刻自东向西每间隔15米采样2次。预处理数据根据热红外定标数据（标准源为黑体），将各仪器的实测温度与相应黑体温度进行直线拟合，求得拟合方程，再利用上述拟合的方程，对观测的原始观测数据进行定标处理。\n
\n3．BRDF观测。北师大ASD光谱仪，350～2 500 nm；参考板信息6月15日前使用40%参考板，之后改换成20%参考板；多角度观测架包括北京师范大学旧多角度观测架一台、北师大2008年新制多角度观测架一台、遥感所新制多角度观测架一台。
", "ds_quality": "数据质量良好
", "ds_acq_start_time": "2008-06-06 00:00:00", "ds_acq_end_time": "2008-06-06 00:00:00", "ds_acq_place": "黑河流域", "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": 21693649, "ds_files_count": 2, "ds_format": "excel", "ds_space_res": null, "ds_time_res": "时", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "59d57c08-88af-477a-a3aa-4e2e503c44b6.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.db1852.2022", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2022-03-15 15:08:55", "last_updated": "2025-06-30 16:06:29", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.NIEER.2021.1798", "i18n": { "en": { "title": "Heihe integrated remote sensing joint test: ground synchronous observation data set of L & K-band airborne microwave radiometer in the encrypted observation area of Linze station (May 25, 2008)", "ds_format": "excel", "ds_source": "On May 25, 2008, L & amp was carried out in the desert East-West transect, desert north-south transect and wulidun farmland transect in the intensive observation area of Linze station; K-band airborne microwave radiometer ground synchronous observation was carried out to observe soil moisture, surface radiation temperature and multi angle reflectance
", "ds_quality": "Good data quality
", "ds_ref_way": "", "ds_abstract": "On May 25, 2008, L & amp was carried out in the desert East-West transect, desert north-south transect and wulidun farmland transect in the intensive observation area of Linze station; K-band airborne microwave radiometer ground synchronous observation was carried out to observe soil moisture, surface radiation temperature and multi angle reflectance.\n
\n1. Soil moisture observation; Observation target: 0-5cm topsoil. Observation instrument: ring knife (volume 50cm ^ 3), ml2x soil moisture rapid tester. Observation quadrats and sampling times: Desert East-West sample zone (including 40 sub quadrats, each sub quadrat corner point ring knife sampling), desert north-south sample zone (including 9 sub quadrats, each sub quadrat inner ring knife sampling for 3 times), midpoint sampling of 9 small quadrats in farmland quadrats, encryption of No. 5 quadrat in the center, and measurement of 4 corner points (each measuring point ring knife sampling for 1 time, Ml2x soil moisture meter (1 observation). The pretreatment data is soil volume water content. Data storage: Excel.\n
\n2. Surface radiation temperature observation; Observation instrument: hand held infrared thermometer (cold and drought Institute 5#, cold and drought Institute 6#, Geography Institute); All instruments have been calibrated (please refer to the calibration data of handheld infrared thermometer. XLS). Observation quadrat and observation times: in the east-west and North-South transects of the desert, each small quadrat shall be sampled several times at the time of aircraft transit; Wulidun farmland quadrat shall be sampled twice every 15m from east to west at the time of aircraft transit. Preprocessing data according to the thermal infrared calibration data (the standard source is blackbody), the measured temperature of each instrument is linearly fitted with the corresponding blackbody temperature to obtain the fitting equation, and then the above fitted equation is used to calibrate the observed original observation data. Data storage: Excel.\n
\n3. BRDF observation; Observation instrument: ASD spectrometer of Beijing Normal University, 350 ~ 2500 nm; Reference plate information: 40% reference plate shall be used before June 15, and then replaced with 20% reference plate; The multi angle observation frame includes an old multi angle observation frame of Beijing Normal University, a new multi angle observation frame made by Beijing Normal University in 2008 and a new multi angle observation frame made by Remote Sensing Institute. Observation quadrat: wulidun farmland quadrat. Sample type: corn. Storage mode: this data set includes original data and processed data. The original data is composed of binary files and record tables, and the binary files can be read by viewspecpro software; The processed reflectivity and transmittance are in text format.\n
\nSee the metadata \"Heihe integrated remote sensing joint test: layout of quadrat transects in the densified observation area of Linze station\" for the distribution and number of quadrat transects, and see the quadrat transect coordinates.xls of the densified observation station of Linze station for the quadrat location
", "ds_time_res": "时", "ds_acq_place": "Heihe River Basin", "ds_space_res": "", "ds_projection": "", "ds_process_way": "1. Soil moisture observation. Desert East-West sample zone (including 40 sub quadrats, each sub quadrat corner point is sampled once by ring knife), desert north-south sample zone (including 9 sub quadrats, each sub quadrat inner ring knife is sampled three times), the midpoint of 9 small quadrats in the farmland quadrat is sampled, the No. 5 quadrat in the center is encrypted, and 4 corner points are also measured (each measuring point is sampled once by ring knife, and ml2x soil moisture velocity meter is observed once).\n
\n2. Observation of surface radiation temperature. In the east-west and North-South transects of the desert, each small transect is sampled several times at the time of aircraft transit; Wulidun farmland quadrat shall be sampled twice every 15m from east to west at the time of aircraft transit. Preprocessing data according to the thermal infrared calibration data (the standard source is blackbody), the measured temperature of each instrument is linearly fitted with the corresponding blackbody temperature to obtain the fitting equation, and then the above fitted equation is used to calibrate the observed original observation data.\n
\n3. BRDF observation. ASD spectrometer of Beijing Normal University, 350 ~ 2500 nm; Reference plate information: 40% reference plate shall be used before June 15, and then replaced with 20% reference plate; The multi angle observation frame includes an old multi angle observation frame of Beijing Normal University, a new multi angle observation frame made by Beijing Normal University in 2008 and a new multi angle observation frame made by Remote Sensing Institute
", "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": [ "环刀", "地表辐射温度", "地面同步观测", "多角度观测架", "手持式红外温度计", "BRDF", "ML2X土壤水分速测仪", "ASD光谱仪", "L波段机载微波辐射计", "反射率", "土壤水分", "K波段机载微波辐射计", "土壤", "植被", "地表辐射特性", "机载", "地面遥感", "地面验证信息" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "临泽站加密观测区", "中游干旱区水文试验区", "黑河流域" ], "ds_time_tags": [ 2008 ], "ds_contributors": [ { "true_name": "孙青松", "email": "qso_sun@qq.com", "work_for": "北京师范大学", "country": "中国" }, { "true_name": "汪洋", "email": "wangyang@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "" } ], "ds_meta_authors": [ { "true_name": "孙青松", "email": "qso_sun@qq.com", "work_for": "北京师范大学", "country": "中国" } ], "ds_managers": [ { "true_name": "孙青松", "email": "qso_sun@qq.com", "work_for": "北京师范大学", "country": "中国" } ], "category": "遥感及产品" }