2008年6月01日在盈科绿洲与花寨子荒漠加密观测区进行了机载红外广角双模式成像仪WiDAS（Wide-angle Infrared Dual-mode line/area Array Scanner）航空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。地面同步观测数据包括ASD光谱仪数据、LAI、光合速率、FPAR、反照率、辐射温度、覆盖度和CE318太阳分光光度计大气参数数据。\n
\n测量内容：\n
\n（1）热像仪ThermaCAM SC2000测量得到的辐射温度。测量对象为盈科绿洲玉米地内的玉米、小麦和裸土以及花寨子荒漠样地1的辐射温度。仪器获取视场角为24°×18°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
\n（2）固定自记点温计测量的辐射温度数据。利用中科院遥感所固定自记点温计1号连续测量盈科绿洲玉米地的红外辐射温度数据。仪器的视场角约为10°，垂直向下观测，采样间隔高于1s。架设高度见数据文档。仪器设定比辐射率为1.0.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
\n（3）光合有效辐射比率（FPAR：Fraction of Photosynthetically Active Radiation）数据，测量对象为盈科绿洲玉米地样地内的玉米与小麦。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
\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、花寨子荒漠样地1的的光谱数据。其中，盈科绿洲玉米地测量仪器为北京大学的光谱仪（350-2500nm），采样方式为冠层垂直观测和条带观测；花寨子荒漠样地1测量仪器为中科院寒旱所光谱仪（350-2500nm），采样方式为东北-西南对角线，采样间隔30米，导出定标后原始数据，反射率需进一步计算。数据包括原始数据与记录数据、处理后的反射率数据。\n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
\n（5）反照率数据，测量对象为盈科绿洲玉米地内的行播玉米。测量仪器包含短波表的上表电压值，下表电压值，后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。 \n
\n（6）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、盈科绿洲小麦地的温度数据。玉米地的测量仪器为北师大的手持辐射计，采样方式为冠层垂直观测、条带观测、对角线观测。其中，度假村旁的玉米地利用手持式红外温度计和针式温度计测定了30米样方的玉米辐射温度和物理温度。小麦地使用寒旱所的一台手持式红外温度计测量小麦冠层及垄间裸土的条带温度。花寨子荒漠样地1采样方式为冠层垂直观测及冠层东北-西南对角线观测，垂直观测样方为30m宽。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。本数据的原始数据为Word的doc格式。处理后数据以Excel格式保存。\n
\n（7）CE318太阳分光光度计大气参数数据。利用法国CIMEL公司生产的太阳分光光度计测量得到的大气参数。测量地点为度假村活动室屋顶。下垫面主要覆盖类型：农作物和森林，Height = 1526m，文件中具体的坐标位置。\nCE318太阳分光光度计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。本次测量采用了北京师范大学的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（8）比辐射率数据。当日利用了W型比辐射率观测仪测量了花寨子荒漠样地1的裸土、植被比辐射率数据。该仪器在假设测量时间段内环境稳定的前提下，通过改变“冷热”辐射环境的四次测量来推算出地物的比辐射率。因此要获得地物比辐射率数据，需要依次测量：加盖加金板；不加盖加金板；加盖不加金板；不加盖不加金板。 数据类型以Word的表格格式存储。
", "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": "（1）热像仪ThermaCAM SC2000测量得到的辐射温度。测量对象为盈科绿洲玉米地内的玉米、小麦和裸土以及花寨子荒漠样地1的辐射温度。仪器获取视场角为24°×18°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。
\n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（2）固定自记点温计测量的辐射温度数据。利用中科院遥感所固定自记点温计1号连续测量盈科绿洲玉米地的红外辐射温度数据。仪器的视场角约为10°，垂直向下观测，采样间隔高于1s。架设高度见数据文档。仪器设定比辐射率为1.0. 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（3）光合有效辐射比率（FPAR：Fraction of Photosynthetically Active Radiation）数据，测量对象为盈科绿洲玉米地样地内的玉米与小麦。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（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、花寨子荒漠样地1的的光谱数据。其中，盈科绿洲玉米地测量仪器为北京大学的光谱仪（350-2500nm），采样方式为冠层垂直观测和条带观测；花寨子荒漠样地1测量仪器为中科院寒旱所光谱仪（350-2500nm），采样方式为东北-西南对角线，采样间隔30米，导出定标后原始数据，反射率需进一步计算。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）反照率数据，测量对象为盈科绿洲玉米地内的行播玉米。测量仪器包含短波表的上表电压值，下表电压值，后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。
\n（6）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、盈科绿洲小麦地的温度数据。玉米地的测量仪器为北师大的手持辐射计，采样方式为冠层垂直观测、条带观测、对角线观测。其中，度假村旁的玉米地利用手持式红外温度计和针式温度计测定了30米样方的玉米辐射温度和物理温度。小麦地使用寒旱所的一台手持式红外温度计测量小麦冠层及垄间裸土的条带温度。花寨子荒漠样地1采样方式为冠层垂直观测及冠层东北-西南对角线观测，垂直观测样方为30m宽。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。本数据的原始数据为Word的doc格式。处理后数据以Excel格式保存。
\n（7）CE318太阳分光光度计大气参数数据。利用法国CIMEL公司生产的太阳分光光度计测量得到的大气参数。测量地点为度假村活动室屋顶。下垫面主要覆盖类型：农作物和森林，Height = 1526m，文件中具体的坐标位置。
\nCE318太阳分光光度计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。本次测量采用了北京师范大学的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（8）比辐射率数据。当日利用了W型比辐射率观测仪测量了花寨子荒漠样地1的裸土、植被比辐射率数据。该仪器在假设测量时间段内环境稳定的前提下，通过改变“冷热”辐射环境的四次测量来推算出地物的比辐射率。因此要获得地物比辐射率数据，需要依次测量：加盖加金板；不加盖加金板；加盖不加金板；不加盖不加金板。 数据类型以Word的表格格式存储。
", "ds_quality": "数据质量良好
", "ds_acq_start_time": "2008-06-01 00:00:00", "ds_acq_end_time": "2008-06-02 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": 176560112, "ds_files_count": 2, "ds_format": "excel,word", "ds_space_res": null, "ds_time_res": "时", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "f4257745-4394-4ea0-b96f-e8dda3542fda.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.db1767.2022", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2022-03-14 11:36:18", "last_updated": "2023-08-22 15:40:22", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.NIEER.2021.1738", "i18n": { "en": { "title": "Heihe River Integrated Remote Sensing joint experiment: Airborne widas ground synchronous observation data set in Yingke oasis and huazhaizi desert intensive observation area (June 1, 2008)", "ds_format": "excel,word", "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": "The ground synchronous observation data include ASD spectrometer data, Lai, photosynthetic rate, FPAR, albedo, radiation temperature, coverage and CE318 solar spectrophotometer atmospheric parameters data. On June 1, 2008, the ground synchronous observation of airborne wide-angle infrared dual-mode line / area array scanner (widas) was carried out in Yingke oasis and huazhaizi desert intensive observation area. Widas is composed of four CCD cameras, a mid infrared thermal imager (AGEMA 550) and a thermal infrared thermal imager (S60). It can simultaneously obtain data of 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.
\nMeasurement content:\n
\n(1) Radiant temperatures obtained from thermal camera ThermaCAM SC2000 measurements. Measurements were made on corn, wheat, and bare soil in the cornfield of the PCG Oasis and on radiation temperatures in sample plot 1 of the Huazhazi Desert. The instrument acquired radiant temperature data with a field of view of 24° x 18° components and simultaneously took optical photographs of the same field of view. The height of the thermal camera shot was approximately 1.2 m.
\nThis data includes raw data and records, instrument blackbody calibration data. Raw data can be utilized with the supporting processing software ThermaCAM Researcher 2001, or the data can be converted to other formats in this software and programmed to read by themselves. The instrument blackbody calibration data is stored in Excel format.
\n(2) Radiation temperature data measured by fixed self-recording point thermometer. The infrared radiation temperature data of the corn field in Yingke Oasis were measured continuously using the Fixed Self-Recording Point Thermometer No.1 of Remote Sensing Institute of Chinese Academy of Sciences. The field of view of the instrument was about 10°, vertical downward observation, and the sampling interval was higher than 1 s. The height of the setup is shown in the data file. The instrument was set to a specific emissivity of 1.0. This data consists of raw data and processed data corrected for blackbody calibration and specific emissivity. They are saved in Excel format.
\n(3) Photosynthetically Active Radiation Ratio (FPAR: Fraction of Photosynthetically Active Radiation) data, the measurement object for the corn and wheat in the Yingke Oasis Cornfield sample plot. 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 ratio of photosynthetically active radiation (PAR). The data were saved in Excel.
\n(4) ASD spectrometer data. ASD (Analytical Sepctral Devices) spectrometer was used to measure the spectral data of Yingke Oasis corn field and Huazhazi Desert Sample Plot 1. The measurement instrument of Yingke Oasis Cornfield was the spectrometer of Peking University (350-2500nm), and the sampling mode was canopy vertical observation and strip observation; the measurement instrument of Huazhazi Desert Sample Plot 1 was the spectrometer of the Institute of Cold and Drought Research of the Chinese Academy of Sciences (350-2500nm), and the sampling mode was the Northeast -Southwest diagonal, with a sampling interval of 30 meters, and the raw data were exported after calibration and reflectance needed to be further calculated. The data include raw data and recorded data, processed reflectance data. The raw data is in ASD standard format, which can be opened with its own software ViewSpec. The processed reflectance data is saved in Excel format.
\n(5) Albedo data, measured for row sown corn within the PCG Oasis corn field. Measuring instrument contains a short-wave table of the upper table voltage value, the lower table voltage value, after the table's sensitivity coefficient is converted into albedo data. The relationship between the radius of the field of view R and the height of the probe H in the table below is: R = 10H. This data is stored in Excel.
\n(6) Radiant temperature data measured by a handheld infrared thermometer. The measurement object is the temperature data of the corn field and the wheat field of the PCG Oasis. The measuring instrument for the corn field was a hand-held radiometer from NNU, and the sampling methods were canopy vertical observation, strip observation, and diagonal observation. In particular, the corn field next to the resort used handheld infrared thermometers and needle thermometers to determine the radiant and physical temperatures of the corn in a 30-meter sample plot. The wheat plot used a handheld infrared thermometer from the Cold and Drought Research Institute to measure the strip temperature of the wheat canopy and bare soil between the rows. The sampling method in Huazhazi Desert Sample Plot 1 was canopy vertical observation and canopy northeast-southwest diagonal observation, and the vertical observation sample square was 30m wide. The data include raw data and recorded data, temperature data after blackbody calibration. The raw data of this data are in Word's doc format. The processed data are saved in Excel format.
\n(7) CE318 solar spectrophotometer atmospheric parameter data. Atmospheric parameters obtained from measurements using a solar spectrophotometer manufactured by CIMEL, France. Measurements were made on the roof of the activity room of the resort. The main types of cover of the underlayment: crops and forests, Height = 1526m, the specific coordinates of the location in the file.
\nCE318 solar spectrophotometer through direct solar radiation measurement data, can be inverse performance of non-water vapor channel optical thickness, Rayleigh scattering, aerosol optical thickness, water vapor channel 936nm measurement data can be obtained from the atmospheric air column of the water vapor content, the level of visibility can also be derived from the CE318 data. The CE318 from Beijing Normal University was 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 water vapor content of the atmospheric column using 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(8) Specific radiance data. On that day, the W-type specific radiance observer was utilized to measure the bare soil and vegetation specific radiance data of Huazhazi Desert Sample Plot 1. Under the assumption that the environment was stable during the measurement time, the instrument was used to derive the specific radiance of the feature by changing the \"hot and cold\" radiation environment for four measurements. Therefore, to obtain the specific emissivity data for a feature, it is necessary to take the following measurements: Covered and gold plate; Uncovered and gold plate; Covered and no gold plate; Uncovered and no gold plate. The data type is stored in a tabular format in Word.
", "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": "(1) Radiant temperatures obtained from thermal camera ThermaCAM SC2000 measurements. Measurements were made on corn, wheat, and bare soil in the cornfield of the PCG Oasis and on radiation temperatures in sample plot 1 of the Huazhazi Desert. The instrument acquired radiant temperature data with a field of view of 24° x 18° components and simultaneously took optical photographs of the same field of view. The height of the thermal camera shot was approximately 1.2 m.
\nThis data includes raw data and records, instrument blackbody calibration data. Raw data can be utilized with the supporting processing software ThermaCAM Researcher 2001, or the data can be converted to other formats in this software and programmed to read by themselves. The instrument blackbody calibration data is stored in Excel format.
\n(2) Radiation temperature data measured by fixed self-recording point thermometer. The infrared radiation temperature data of the corn field in Yingke Oasis were measured continuously using the Fixed Self-Recording Point Thermometer No.1 of Remote Sensing Institute of Chinese Academy of Sciences. The field of view of the instrument was about 10°, vertical downward observation, and the sampling interval was higher than 1 s. The height of the setup is shown in the data file. The instrument was set to a specific emissivity of 1.0. This data consists of raw data and processed data corrected for blackbody calibration and specific emissivity. They are saved in Excel format.
\n(3) Photosynthetically Active Radiation Ratio (FPAR: Fraction of Photosynthetically Active Radiation) data, the measurement object for the corn and wheat in the Yingke Oasis Cornfield sample plot. 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 ratio of photosynthetically active radiation (PAR). The data were saved in Excel.
\n(4) ASD spectrometer data. ASD (Analytical Sepctral Devices) spectrometer was used to measure the spectral data of Yingke Oasis corn field and Huazhazi Desert Sample Plot 1. The measurement instrument of Yingke Oasis Cornfield was the spectrometer of Peking University (350-2500nm), and the sampling mode was canopy vertical observation and strip observation; the measurement instrument of Huazhazi Desert Sample Plot 1 was the spectrometer of the Institute of Cold and Drought Research of the Chinese Academy of Sciences (350-2500nm), and the sampling mode was the Northeast -Southwest diagonal, with a sampling interval of 30 meters, and the raw data were exported after calibration and reflectance needed to be further calculated. The data include raw data and recorded data, processed reflectance data. The raw data is in ASD standard format, which can be opened with its own software ViewSpec. The processed reflectance data is saved in Excel format.
\n(5) Albedo data, measured for row sown corn within the PCG Oasis corn field. Measuring instrument contains a short-wave table of the upper table voltage value, the lower table voltage value, after the table's sensitivity coefficient is converted into albedo data. The relationship between the radius of the field of view R and the height of the probe H in the table below is: R = 10H. This data is stored in Excel.
\n(6) Radiant temperature data measured by a handheld infrared thermometer. The measurement object is the temperature data of the corn field and the wheat field of the PCG Oasis. The measuring instrument for the corn field was a hand-held radiometer from NNU, and the sampling methods were canopy vertical observation, strip observation, and diagonal observation. In particular, the corn field next to the resort used handheld infrared thermometers and needle thermometers to determine the radiant and physical temperatures of the corn in a 30-meter sample plot. The wheat plot used a handheld infrared thermometer from the Cold and Drought Research Institute to measure the strip temperature of the wheat canopy and bare soil between the rows. The sampling method in Huazhazi Desert Sample Plot 1 was canopy vertical observation and canopy northeast-southwest diagonal observation, and the vertical observation sample square was 30m wide. The data include raw data and recorded data, temperature data after blackbody calibration. The raw data of this data are in Word's doc format. The processed data are saved in Excel format.
\n(7) CE318 solar spectrophotometer atmospheric parameter data. Atmospheric parameters obtained from measurements using a solar spectrophotometer manufactured by CIMEL, France. Measurements were made on the roof of the activity room of the resort. The main types of cover of the underlayment: crops and forests, Height = 1526m, the specific coordinates of the location in the file.
\nCE318 solar spectrophotometer through direct solar radiation measurement data, can be inverse performance of non-water vapor channel optical thickness, Rayleigh scattering, aerosol optical thickness, water vapor channel 936nm measurement data can be obtained from the atmospheric air column of the water vapor content, the level of visibility can also be derived from the CE318 data. The CE318 from Beijing Normal University was 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 water vapor content of the atmospheric column using 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\n(8) Specific radiance data. On that day, the W-type specific radiance observer was utilized to measure the bare soil and vegetation specific radiance data of Huazhazi Desert Sample Plot 1. Under the assumption that the environment was stable during the measurement time, the instrument was used to derive the specific radiance of the feature by changing the \"hot and cold\" radiation environment for four measurements. Therefore, to obtain the specific emissivity data for a feature, it is necessary to take the following measurements: Covered and gold plate; Uncovered and gold plate; Covered and no gold plate; Uncovered and no gold plate. The data type is stored in a tabular format in Word.
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