2008年7月11日在盈科绿洲与花寨子荒漠加密观测区进行了红外广角双模式成像仪WiDAS（Wide-angle Infrared Dual-mode line/area Array Scanner）飞行的地面同步观测。WiDAS由4个CCD相机、1个中红外热像仪（AGEMA 550）和1个热红外热像仪（S60）组成， 能同时获取可见光/近红外（CCD）波段5个角度、中红外波段（MIR）7个角度和热红外波段（TIR ）7个角度的数据。地面数据包括冠层辐射温度、植被光合作用速率、反照率、FPAR、热像仪数据、ASD光谱数据、冠层连续辐射温度、大气参数和大气水汽含量数据。\n
\n测量内容：\n
\n（1）CE318太阳分光光度计大气参数数据 本数据集为北师大CE318太阳分光光度计测量得到的大气参数。测量地点为花寨子荒漠样地2。 太阳分光光度计CE318通过直接太阳辐射测量数据，可以反演出非水汽通道的光学厚度、瑞利散射、气溶胶光学厚度，水汽通道936nm测量数据可以获得大气气柱的水汽含量，水平能见度也可从CE318数据导出。本次测量采用的北京师范大学的CE318，其可提供1020nm、936nm、870nm、670nm和440nm共5个波段的光学厚度，可以利用936nm测量数据反演大气柱水汽含量。 本数据包括原始数据和处理后的大气数据。原始数据以CE318特有文件格式*.k7存储，可用ASTPWin软件打开，并附带说明文件ReadMe.txt ；处理后文件包括利用原始数据反演获得光学厚度、瑞利散射、气溶胶光学厚度、水平能见度和近地表大气温度，以及参与计算的太阳方位角、天顶角、日地距离修正因子和大气柱质量数。 数据结果以Excel格式保存。
\n（2）热像仪测量地表辐射温度数据。测量仪器有遥感所热像仪和北师大热像仪，测量对象分别为盈科绿洲玉米地内的玉米、小麦和裸土的辐射温度以及花寨子荒漠样地2的植被和裸土的辐射温度。仪器获取组分辐射温度数据，并同时拍摄同视场的光学照片。热像仪拍摄高度约为1.2m。 本数据包括原始数据与记录、仪器黑体定标数据。原始数据可利用配套处理软件ThermaCAM Researcher 2001，也可将数据在该软件中转换为其他格式，自行编程读取。仪器黑体定标数据以Excel格式存储。
\n（3）LI-6400光合仪数据。 测量对象为盈科绿洲玉米地。作过程请参考联合试验操作规范。 其数据包括原始数据和处理数据。 原始数据以仪器自定义格式保存，可用记事本等常用软件打开。处理数据以Excel保存。
\n（4） ASD光谱仪数据。 利用ASD（Analytical Sepctral Devices）光谱仪测量盈科绿洲玉米地、花寨子玉米地、花寨子荒漠样地1和花寨子荒漠样地2的光谱数据。测量仪器为中国科学院遥感应用研究所的光谱仪（350-2500nm）和灰板。 数据包括原始数据与记录数据、处理后的反射率数据。 本数据的原始数据为ASD标准格式，可利用其自带软件ViewSpec打开。处理后的反射率数据以Excel格式保存。
\n（5）手持式红外温度计测量的辐射温度数据。测量对象为盈科绿洲玉米地和花寨子荒漠样地2，测量仪器分别为遥感所手持式红外温度计和北师大的手持式红外温度计。数据包括原始数据与记录数据、经过黑体定标后的温度数据。原始数据为Word的doc格式。处理后数据以Excel格式保存。
\n（6）光合有效辐射比率（FPAR：Fraction of Photosynthetically Active Radiation）数据 测量地点为盈科绿洲玉米地。测量仪器为SUNSCAN冠层分析仪、数码相机。分上，下三段测量，并同时测量入射和反射PAR。二者比值即为光合有效辐射比率。 本数据以Excel保存。
\n（7）固定自记点温计测量的辐射温度数据，仪器定标数据以及测量地点坐标。测量样地为花寨子荒漠玉米样地。仪器为北师大固定自记点温计。测量对象为玉米冠层。仪器的视场角约为10°，垂直向下观测，采样间隔为1s。架设高度见数据文档。仪器设定比辐射率为0.95。 本数据包括原始数据与经过黑体定标、比辐射率纠正后的处理数据。均以Excel格式保存。
\n（8）反照率数据，测量仪器为遥感所1号和2号短波辐射表，测量对象为盈科绿洲玉米地内的行播玉米。短波表的上表电压值，下表电压值，经过表的敏感系数转换成反照率数据。下表视场半径R与探头高度H的关系为：R =10H。本数据以Excel存储。
", "ds_source": "WiDAS由4个CCD相机、1个中红外热像仪（AGEMA 550）和1个热红外热像仪（S60）组成， 能同时获取可见光/近红外（CCD）波段5个角度、中红外波段（MIR）7个角度和热红外波段（TIR ）7个角度的数据。
", "ds_process_way": "测量内容：
\n\n（1）CE318太阳分光光度计大气参数数据 本数据集为北师大CE318太阳分光光度计测量得到的大气参数。测量地点为花寨子荒漠样地2。 太阳分光光度计CE318通过直接太阳辐射测量数据，可以反演出非水汽通道的光学厚度、瑞利散射、气溶胶光学厚度，水汽通道936nm测量数据可以获得大气气柱的水汽含量，水平能见度也可从CE318数据导出。本次测量采用的北京师范大学的CE318，其可提供1020nm、936nm、870nm、670nm和440nm共5个波段的光学厚度，可以利用936nm测量数据反演大气柱水汽含量。 本数据包括原始数据和处理后的大气数据。原始数据以CE318特有文件格式*.k7存储，可用ASTPWin软件打开，并附带说明文件ReadMe.txt ；处理后文件包括利用原始数据反演获得光学厚度、瑞利散射、气溶胶光学厚度、水平能见度和近地表大气温度，以及参与计算的太阳方位角、天顶角、日地距离修正因子和大气柱质量数。 数据结果以Excel格式保存。
\n\n（2）热像仪测量地表辐射温度数据。测量仪器有遥感所热像仪和北师大热像仪，测量对象分别为盈科绿洲玉米地内的玉米、小麦和裸土的辐射温度以及花寨子荒漠样地2的植被和裸土的辐射温度。仪器获取组分辐射温度数据，并同时拍摄同视场的光学照片。热像仪拍摄高度约为1.2m。 本数据包括原始数据与记录、仪器黑体定标数据。原始数据可利用配套处理软件ThermaCAM Researcher 2001，也可将数据在该软件中转换为其他格式，自行编程读取。仪器黑体定标数据以Excel格式存储。
\n（3）LI-6400光合仪数据。 测量对象为盈科绿洲玉米地。作过程请参考联合试验操作规范。 其数据包括原始数据和处理数据。 原始数据以仪器自定义格式保存，可用记事本等常用软件打开。处理数据以Excel保存。
\n（4） ASD光谱仪数据。 利用ASD（Analytical Sepctral Devices）光谱仪测量盈科绿洲玉米地、花寨子玉米地、花寨子荒漠样地1和花寨子荒漠样地2的光谱数据。测量仪器为中国科学院遥感应用研究所的光谱仪（350-2500nm）和灰板。 数据包括原始数据与记录数据、处理后的反射率数据。 本数据的原始数据为ASD标准格式，可利用其自带软件ViewSpec打开。处理后的反射率数据以Excel格式保存。
\n（5）手持式红外温度计测量的辐射温度数据。测量对象为盈科绿洲玉米地和花寨子荒漠样地2，测量仪器分别为遥感所手持式红外温度计和北师大的手持式红外温度计。数据包括原始数据与记录数据、经过黑体定标后的温度数据。原始数据为Word的doc格式。处理后数据以Excel格式保存。
\n（6）光合有效辐射比率（FPAR：Fraction of Photosynthetically Active Radiation）数据 测量地点为盈科绿洲玉米地。测量仪器为SUNSCAN冠层分析仪、数码相机。分上，下三段测量，并同时测量入射和反射PAR。二者比值即为光合有效辐射比率。 本数据以Excel保存。
\n（7）固定自记点温计测量的辐射温度数据，仪器定标数据以及测量地点坐标。测量样地为花寨子荒漠玉米样地。仪器为北师大固定自记点温计。测量对象为玉米冠层。仪器的视场角约为10°，垂直向下观测，采样间隔为1s。架设高度见数据文档。仪器设定比辐射率为0.95。 本数据包括原始数据与经过黑体定标、比辐射率纠正后的处理数据。均以Excel格式保存。
\n（8）反照率数据，测量仪器为遥感所1号和2号短波辐射表，测量对象为盈科绿洲玉米地内的行播玉米。短波表的上表电压值，下表电压值，经过表的敏感系数转换成反照率数据。下表视场半径R与探头高度H的关系为：R =10H。本数据以Excel存储。
", "ds_quality": "数据质量良好
", "ds_acq_start_time": "2008-07-11 00:00:00", "ds_acq_end_time": "2008-07-12 00:00:00", "ds_acq_place": "黑河流域,花寨子荒漠加密观测区,中游干旱区水文试验区,盈科绿洲加密观测区", "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": 292926513, "ds_files_count": 2, "ds_format": "excel", "ds_space_res": null, "ds_time_res": "时", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "383ce15e-e907-4540-901b-2c84c7df14ba.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.db1759.2022", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2022-03-14 09:35:56", "last_updated": "2023-08-22 15:40:25", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.NIEER.2021.1950", "i18n": { "en": { "title": "Integrated remote sensing joint experiment of Heihe River: Airborne widas ground synchronous observation data set of Yingke oasis and huazhaizi desert intensive observation area (July 11, 2008)", "ds_format": "excel", "ds_source": "Widas is composed of 4 CCD cameras, 1 mid infrared thermal imager (AGEMA 550) and 1 thermal infrared thermal imager (S60). It can simultaneously obtain data of 5 angles of visible / near infrared (CCD) band, 7 angles of mid infrared band (MIR) and 7 angles of thermal infrared band (TIR).", "ds_quality": "
Good data quality
", "ds_ref_way": "", "ds_abstract": "On July 11, 2008, ground-based simultaneous observations of the Wide-angle Infrared Dual-mode line/area Array Scanner (WiDAS) flight were conducted in the Yingke Oasis and Huazhazi Desert encrypted observation area. WiDAS consists of four CCD cameras, a mid-infrared camera (AGEMA 550), and a thermal infrared camera (S60), and is capable of acquiring data from five angles in the visible/near-infrared (CCD) band, seven angles in the mid-infrared (MIR) band, and seven angles in the thermal infrared (TIR) band simultaneously. Ground data include canopy radiation temperature, vegetation photosynthesis rate, albedo, FPAR, thermal camera data, ASD spectral data, canopy continuous radiation temperature, atmospheric parameters and atmospheric water vapor content data.\n
\nMeasurement content:\n
\n(1) CE318 Solar Spectrophotometer Atmospheric Parameter Data This dataset is the atmospheric parameters obtained from measurements made by the CE318 solar spectrophotometer at NNU. The measurement location is Hua Zhai Zi desert sample plot 2. The solar spectrophotometer CE318 can inversely perform the optical thickness, Rayleigh scattering, and aerosol optical thickness of the non-water vapor channel through the direct solar radiation measurement data, and the water vapor content of the atmospheric air column can be obtained by the 936 nm measurement data of the water vapor channel, and the horizontal visibility can also be derived from the CE318 data. The CE318 of Beijing Normal University used in this measurement, which can provide the optical thickness in five bands, 1020nm, 936nm, 870nm, 670nm and 440nm, and can be used to invert the atmospheric column water vapor content with the 936nm measurement data. This data includes raw data and processed atmospheric data. The raw data are stored in the CE318 specific file format *.k7, which can be opened by ASTPWin software and accompanied by the description file ReadMe.txt; the processed file includes the optical thickness, Rayleigh scattering, aerosol optical thickness, horizontal visibility, and near-surface atmospheric temperature obtained by using the inversion of the raw data, as well as the solar azimuth, zenith angle, sun-earth distance correction factor and the mass number of the atmospheric column. atmospheric column mass number. The data results are saved in Excel format.
\n(2) Thermal imaging camera to measure surface radiation temperature data. The measuring instruments are thermal imaging camera of Remote Sensing Institute and thermal imaging camera of North Normal University, and the measurement objects are the radiation temperatures of corn, wheat and bare soil in the corn field of Yingke Oasis, and the radiation temperatures of vegetation and bare soil in Huazhazaizi Desert Sample Plot 2, respectively. The instrument acquired component radiant temperature data and simultaneously took optical photographs of the same field of view. The height of the thermal camera shot is about 1.2 m. This data includes raw data and records, and instrument blackbody calibration data. The raw data can be read using the accompanying processing software ThermaCAM Researcher 2001, or the data can be converted to other formats in this software and programmed to be read by the user. The instrument blackbody calibration data is stored in Excel format.
\n(3) LI-6400 photosynthesizer data. Measurement object is Yingke Oasis corn field. Please refer to the operation specification of the joint experiment for the operation process. The data include raw data and processed data. The raw data were saved in the customized format of the instrument and could be opened by common software such as Notepad. The processed data are saved in Excel.
\n(4) ASD spectrometer data. ASD (Analytical Sepctral Devices) spectrometer was used to measure the spectral data of Yingke Oasis cornfield, Huazhazi cornfield, Huazhazi Desert Sample Plot 1 and Huazhazi Desert Sample Plot 2. The measuring instruments were spectrometer (350-2500 nm) and gray plate from Institute of Remote Sensing Application, Chinese Academy of Sciences. The data include raw and recorded data, and processed reflectance data. The raw data of this data are in ASD standard format, which can be opened with its own software ViewSpec. The processed reflectance data is saved in Excel format.
\n(5) Radiant temperature data measured by handheld infrared thermometer. Measurement objects were Yingke Oasis cornfield and Huazhazi Desert Sample Plot 2, and the measurement instruments were handheld infrared thermometers from the Institute of Remote Sensing (IRS) and the handheld infrared thermometers from the Northern Normal University (NNU), respectively. The data include raw and recorded data, and temperature data after blackbody calibration. The raw data are in Word in doc format. The processed data are saved in Excel format.
\n(6) Photosynthetically Active Radiation Ratio (FPAR: Fraction of Photosynthetically Active Radiation) data Measurement location is Yingke Oasis corn field. The measuring instruments were SUNSCAN canopy analyzer and digital camera. Measurements were made in three sections, upper and lower, and both incident and reflected PAR were measured, the ratio of which is the Fraction of Photosynthetically Active Radiation (FPAR). This data is saved in Excel.
\n(7) Radiation temperature data measured by a fixed self-registering point thermometer, instrument calibration data and coordinates of the measurement site. Measurement sample site is the Huazhazi Desert corn sample site. The instrument was a fixed self-registering point thermometer from North Division University. The measurement object was the corn canopy. The field of view of the instrument was about 10°, and the sampling interval was 1 s. The setup height is shown in the data file. The instrument was set to have a specific emissivity of 0.95. This data consists of raw data and processed data corrected for blackbody calibration and specific emissivity. They are saved in Excel format.
\n(8) Albedo data, measuring instruments for the Institute of Remote Sensing, No. 1 and No. 2 short-wave radiation table, the measurement object for the row sowing corn in the corn field of Yingke Oasis. The voltage value of the upper table of the short-wave table and the voltage value of the lower table were converted into albedo data by the sensitivity coefficient of the table. The relationship between the radius of the field of view R of the table below and the height of the probe H is: R = 10H. This data is stored in Excel.
", "ds_time_res": "时", "ds_acq_place": "Heihe River Basin, intensive observation area of huazhaizi desert, hydrological test area of arid area in the middle reaches, intensive observation area of Yingke oasis", "ds_space_res": "", "ds_projection": "", "ds_process_way": "Measurement content:\n
\n(1) CE318 Solar Spectrophotometer Atmospheric Parameter Data This dataset is the atmospheric parameters obtained from measurements made by the CE318 solar spectrophotometer at NNU. The measurement location is Hua Zhai Zi desert sample plot 2. The solar spectrophotometer CE318 can inversely perform the optical thickness, Rayleigh scattering, and aerosol optical thickness of the non-water vapor channel through the direct solar radiation measurement data, and the water vapor content of the atmospheric air column can be obtained by the 936 nm measurement data of the water vapor channel, and the horizontal visibility can also be derived from the CE318 data. The CE318 of Beijing Normal University used in this measurement, which can provide the optical thickness in five bands, 1020nm, 936nm, 870nm, 670nm and 440nm, and can be used to invert the atmospheric column water vapor content with the 936nm measurement data. This data includes raw data and processed atmospheric data. The raw data are stored in the CE318 specific file format *.k7, which can be opened by ASTPWin software and accompanied by the description file ReadMe.txt; the processed file includes the optical thickness, Rayleigh scattering, aerosol optical thickness, horizontal visibility, and near-surface atmospheric temperature obtained by using the inversion of the raw data, as well as the solar azimuth, zenith angle, sun-earth distance correction factor and the mass number of the atmospheric column. atmospheric column mass number. The data results are saved in Excel format.
\n(2) Thermal imaging camera to measure surface radiation temperature data. The measuring instruments are thermal imaging camera of Remote Sensing Institute and thermal imaging camera of North Normal University, and the measurement objects are the radiation temperatures of corn, wheat and bare soil in the corn field of Yingke Oasis, and the radiation temperatures of vegetation and bare soil in Huazhazaizi Desert Sample Plot 2, respectively. The instrument acquired component radiant temperature data and simultaneously took optical photographs of the same field of view. The height of the thermal camera shot is about 1.2 m. This data includes raw data and records, and instrument blackbody calibration data. The raw data can be read using the accompanying processing software ThermaCAM Researcher 2001, or the data can be converted to other formats in this software and programmed to be read by the user. The instrument blackbody calibration data is stored in Excel format.
\n(3) LI-6400 photosynthesizer data. Measurement object is Yingke Oasis corn field. Please refer to the operation specification of the joint experiment for the operation process. The data include raw data and processed data. The raw data were saved in the customized format of the instrument and could be opened by common software such as Notepad. The processed data are saved in Excel.
\n(4) ASD spectrometer data. ASD (Analytical Sepctral Devices) spectrometer was used to measure the spectral data of Yingke Oasis cornfield, Huazhazi cornfield, Huazhazi Desert Sample Plot 1 and Huazhazi Desert Sample Plot 2. The measuring instruments were spectrometer (350-2500 nm) and gray plate from Institute of Remote Sensing Application, Chinese Academy of Sciences. The data include raw and recorded data, and processed reflectance data. The raw data of this data are in ASD standard format, which can be opened with its own software ViewSpec. The processed reflectance data is saved in Excel format.
\n(5) Radiant temperature data measured by handheld infrared thermometer. Measurement objects were Yingke Oasis cornfield and Huazhazi Desert Sample Plot 2, and the measurement instruments were handheld infrared thermometers from the Institute of Remote Sensing (IRS) and the handheld infrared thermometers from the Northern Normal University (NNU), respectively. The data include raw and recorded data, and temperature data after blackbody calibration. The raw data are in Word in doc format. The processed data are saved in Excel format.
\n(6) Photosynthetically Active Radiation Ratio (FPAR: Fraction of Photosynthetically Active Radiation) data Measurement location is Yingke Oasis corn field. The measuring instruments were SUNSCAN canopy analyzer and digital camera. Measurements were made in three sections, upper and lower, and both incident and reflected PAR were measured, the ratio of which is the Fraction of Photosynthetically Active Radiation (FPAR). This data is saved in Excel.
\n(7) Radiation temperature data measured by a fixed self-registering point thermometer, instrument calibration data and coordinates of the measurement site. Measurement sample site is the Huazhazi Desert corn sample site. The instrument was a fixed self-registering point thermometer from North Division University. The measurement object was the corn canopy. The field of view of the instrument was about 10°, and the sampling interval was 1 s. The setup height is shown in the data file. The instrument was set to have a specific emissivity of 0.95. This data consists of raw data and processed data corrected for blackbody calibration and specific emissivity. They are saved in Excel format.
\n(8) Albedo data, measuring instruments for the Institute of Remote Sensing, No. 1 and No. 2 short-wave radiation table, the measurement object for the row sowing corn in the corn field of Yingke Oasis. The voltage value of the upper table of the short-wave table and the voltage value of the lower table were converted into albedo data by the sensitivity coefficient of the table. The relationship between the radius of the field of view R of the table below and the height of the probe H is: R = 10H. This data is stored in Excel.
", "ds_ref_instruction": "\r\nThis 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": [ "冠层光谱", "气溶胶光学深度", "植被", "气溶胶", "机载地面遥感", "红外广角双模式成像仪WiDAS", "冠层反射辐射", "组分光谱", "太阳分光光度计", "地面验证信息" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "花寨子荒漠加密观测区", "中游干旱区水文试验区", "黑河流域", "盈科绿洲加密观测区" ], "ds_time_tags": [ 2008 ], "ds_contributors": [ { "true_name": "周梦维", "email": "mengweizhou@hotmail.com", "work_for": "中国科学院遥感应用研究所", "country": "中国" }, { "true_name": "任华忠", "email": "renhuazhong@pku.edu.cn", "work_for": "北京大学遥感与地理信息系统研究所", "country": "中国" }, { "true_name": "李丽", "email": "lili3982@radi.ac.cn", "work_for": "中国科学院遥感与数字地球研究所遥感科学国家重点实验室", "country": "中国" }, { "true_name": "历华", "email": "", "work_for": "中国科学院遥感应用研究所", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "周梦维", "email": "mengweizhou@hotmail.com", "work_for": "中国科学院遥感应用研究所", "country": "中国" } ], "ds_managers": [ { "true_name": "周梦维", "email": "mengweizhou@hotmail.com", "work_for": "中国科学院遥感应用研究所", "country": "中国" } ], "category": "遥感及产品" }