2008年7月7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）、Landsat TM同步观测，地面数据包括ASD光谱数据、热像仪数据、组分温度、定标相关辐射温度、冠层连续温度、反照率、覆盖度和CE318太阳分光光度计大气参数数据、FPAR、叶绿素荧光。 \n
\n测量内容：\n
\n（1）中国科学院遥感所热像仪测得的辐射温度。测量对象为盈科绿洲玉米地的玉米、小麦和裸土的辐射温度。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
\n（2）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（3）ASD光谱仪数据。利用中科院遥感所提供的光谱仪（350-1603nm），灰板测量盈科绿洲玉米地的光谱。利用北京农林科学院的光谱仪、灰板以及黑白布在飞机场测量了定标光谱。导出定标后的反射率的原始数据需进一步计算。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（4）手持辐射计测量的组分温度。测量地点为盈科绿洲玉米地、花寨子玉米地。当观测玉米时，组分温度指：①玉米垂直冠层温度：垂直观测光照玉米叶片辐射温度； ② 玉米裸土温度：玉米垄与垄之间光照裸土温度；③ 塑料薄膜温度：玉米垄中塑料薄膜 当观测小麦时，组分温度指：① 小麦垂直冠层温度：垂直观测小麦冠层温度；②小麦半高温度：小麦植株1/2处高度；③小麦底部温度：小麦植株1/3处高度；④小麦裸土温度：小麦根部所在裸土垂直观测温度（非光照）\n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
\n（5）手持辐射计测量的辐射温度数据。测量地点为盈科绿洲玉米地、花寨子荒漠玉米地、张掖飞机场跑道和花寨子荒漠样地2。数据内容具体包括：盈科绿洲玉米地的冠层平均温度、飞机场测量黑、白布得到的辐射温度定标数据、花寨子荒漠玉米地的条带温度、花寨子荒漠样地2对角线辐射温度以及样地内30m样方辐射温度。各个仪器的设定比辐射率为1.00。这天同时测量了组分温度。\n数据包括原始数据与处理数据，处理数据为经过黑体定标后的温度。原始数据为Word的doc格式。处理后的数据以Excel格式保存。\n
\n（6）盈科绿洲玉米地内大豆（C3），玉米（C4）叶片光谱，光合，荧光及叶绿素信息。用遥感所SPAD叶绿素仪测量了空气温度、大豆叶片温度、玉米叶片温度，单位均为：摄氏度℃。叶片叶绿素含量用SPAD测量。\n
\n（7）遥感所ASD光谱仪（编号64831）和遥感所50%灰板测了叶片光谱。遥感所50％灰板定标数据，利用光谱仪配套定标灯数据，将光谱DN值转换为辐亮度值，并转换成可读Excel文件。并根据参考板反射率将参考板辐亮度转换为太阳辐亮度。即太阳辐亮度＝参考板辐亮度/参考板反射率。\n
\n（8）叶片荧光。所用仪器为北京农林科学院ImagingPam成像荧光仪。其中F：光照下打开饱和脉冲前记录的荧光；m'：光照下打开饱和脉冲记录的最大荧光；YII =（Fm'-F）/Fm'，PSII实际量子产量。成像荧光数据格式为pim文件，需用ImagingPam软件打开（可从http://www.zealquest.com 下载安装程序及操作指南）。获取整幅图像荧光平均值（配套软件自动计算）。\n
\n（9）LI-6400光合仪测量叶片光合，数据参数见数据文件。 \n
\n（10）固定自记点温计测量数据。测量盈科绿洲玉米地和花寨子玉米地内辐射温度。仪器分别为：中国科学院遥感所测温仪和北京师范大学的固定自记点温计。 中国科学院遥感所仪器采样间隔为0.05s，仪器设定比辐射率为1.0。架设高度见数据文档。北京师范大学仪器的视场角约为10°，垂直向下观测，采样间隔为1s，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
\n（11）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样地。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。FPAR=（到达冠层PAR－地表透射PAR－冠层反射PAR+地表反射PAR）/到达冠层PAR APAR=FPAR×到达冠层PAR。本数据以Word格式的表格保存。\n
\n（12）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。测量地点为盈科绿洲玉米地。CE318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、瑞丽散射、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。处理数据以Excel格式保存。
", "ds_source": "2008年7月7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）、Landsat TM同步观测。
", "ds_process_way": "测量内容：
\n\n（1）中国科学院遥感所热像仪测得的辐射温度。测量对象为盈科绿洲玉米地的玉米、小麦和裸土的辐射温度。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（2）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（3）ASD光谱仪数据。利用中科院遥感所提供的光谱仪（350-1603nm），灰板测量盈科绿洲玉米地的光谱。利用北京农林科学院的光谱仪、灰板以及黑白布在飞机场测量了定标光谱。导出定标后的反射率的原始数据需进一步计算。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（4）手持辐射计测量的组分温度。测量地点为盈科绿洲玉米地、花寨子玉米地。当观测玉米时，组分温度指：①玉米垂直冠层温度：垂直观测光照玉米叶片辐射温度； ② 玉米裸土温度：玉米垄与垄之间光照裸土温度；③ 塑料薄膜温度：玉米垄中塑料薄膜 当观测小麦时，组分温度指：① 小麦垂直冠层温度：垂直观测小麦冠层温度；②小麦半高温度：小麦植株1/2处高度；③小麦底部温度：小麦植株1/3处高度；④小麦裸土温度：小麦根部所在裸土垂直观测温度（非光照）。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（5）手持辐射计测量的辐射温度数据。测量地点为盈科绿洲玉米地、花寨子荒漠玉米地、张掖飞机场跑道和花寨子荒漠样地2。数据内容具体包括：盈科绿洲玉米地的冠层平均温度、飞机场测量黑、白布得到的辐射温度定标数据、花寨子荒漠玉米地的条带温度、花寨子荒漠样地2对角线辐射温度以及样地内30m样方辐射温度。各个仪器的设定比辐射率为1.00。这天同时测量了组分温度。数据包括原始数据与处理数据，处理数据为经过黑体定标后的温度。原始数据为Word的doc格式。处理后的数据以Excel格式保存。
\n（6）盈科绿洲玉米地内大豆（C3），玉米（C4）叶片光谱，光合，荧光及叶绿素信息。用遥感所SPAD叶绿素仪测量了空气温度、大豆叶片温度、玉米叶片温度，单位均为：摄氏度℃。叶片叶绿素含量用SPAD测量。
\n（7）遥感所ASD光谱仪（编号64831）和遥感所50%灰板测了叶片光谱。遥感所50％灰板定标数据，利用光谱仪配套定标灯数据，将光谱DN值转换为辐亮度值，并转换成可读Excel文件。并根据参考板反射率将参考板辐亮度转换为太阳辐亮度。即太阳辐亮度＝参考板辐亮度/参考板反射率。
\n（8）叶片荧光。所用仪器为北京农林科学院ImagingPam成像荧光仪。其中F：光照下打开饱和脉冲前记录的荧光；m'：光照下打开饱和脉冲记录的最大荧光；YII =（Fm'-F）/Fm'，PSII实际量子产量。成像荧光数据格式为pim文件，需用ImagingPam软件打开（可从http://www.zealquest.com下载安装程序及操作指南）。获取整幅图像荧光平均值（配套软件自动计算）。
\n（9）LI-6400光合仪测量叶片光合，数据参数见数据文件。
\n（10）固定自记点温计测量数据。测量盈科绿洲玉米地和花寨子玉米地内辐射温度。仪器分别为：中国科学院遥感所测温仪和北京师范大学的固定自记点温计。 中国科学院遥感所仪器采样间隔为0.05s，仪器设定比辐射率为1.0。架设高度见数据文档。北京师范大学仪器的视场角约为10°，垂直向下观测，采样间隔为1s，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（11）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样地。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。FPAR=（到达冠层PAR－地表透射PAR－冠层反射PAR+地表反射PAR）/到达冠层PAR APAR=FPAR×到达冠层PAR。本数据以Word格式的表格保存。
\n（12）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。测量地点为盈科绿洲玉米地。CE318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。\n
\n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、瑞丽散射、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。处理数据以Excel格式保存。
", "ds_quality": "数据质量良好
", "ds_acq_start_time": "2008-07-07 00:00:00", "ds_acq_end_time": "2008-07-08 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": 158098960, "ds_files_count": 2, "ds_format": "excel,txt,dat", "ds_space_res": null, "ds_time_res": "时", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "53f07c10-9a33-47a4-bf82-49cdc7cf34c0.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.db1763.2022", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2022-03-14 11:37:04", "last_updated": "2023-08-22 17:10:32", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.NIEER.2021.1746", "i18n": { "en": { "title": "Integrated remote sensing joint experiment of Heihe River: Airborne widas and Landsat TM ground synchronous observation data set of Yingke oasis and huazhaizi desert intensive observation area (July 7, 2008)", "ds_format": "excel,txt,dat", "ds_source": "On July 7, 2008, the infrared wide-angle dual-mode line / area array scanner (widas) and Landsat TM were simultaneously observed in the dense observation area of Yingke oasis and huazhaizi desert.", "ds_quality": "
Good data quality
", "ds_ref_way": "", "ds_abstract": "On July 7, 2008, the infrared wide-angle dual-mode line / area array scanner (widas) and Landsat TM were simultaneously observed in the dense observation area of Yingke oasis and huazhaizi desert. The ground data include ASD spectral data, thermal imager data, component temperature, calibration related radiation temperature, canopy continuous temperature, albedo Coverage and CE318 solar spectrophotometer atmospheric parameter data, FPAR, chlorophyll fluorescence. Measurement content:\n(1) The radiation temperature measured by the thermal imager of the Institute of remote sensing, Chinese Academy of Sciences. The radiation temperature of corn, wheat and bare soil in Yingke oasis was measured. The instrument obtains the component radiation temperature data and takes optical photos in the same field of view at the same time. The shooting height of the thermal imager is about 1.2m.\nThis data includes original data and records, instrument blackbody calibration data. The original data can be processed by using the supporting processing software thermacam research 2001, or the data can be converted into other formats in the software for self programming and reading. The blackbody calibration data of the instrument is stored in Excel format.\n(2) Albedo data, the measurement object is row sowing corn in Yingke oasis corn field. The measuring instrument includes the voltage value in the upper table and the voltage value in the lower table of the shortwave meter, which is converted into albedo data through the sensitivity coefficient of the meter. The relationship between field radius R and probe height h in the following table is: r = 10h. This data is stored in Excel.\n(3) ASD spectrometer data. Using the spectrometer (350-1603nm) provided by the Institute of remote sensing of Chinese Academy of Sciences, the spectrum of corn field in Yingke oasis was measured by gray plate. The calibration spectra were measured at the airport by spectrometer, gray plate and black-and-white cloth of Beijing Academy of agricultural and Forestry Sciences. The original data of reflectance after calibration need to be further calculated. The data includes original data, recorded data and processed reflectance data.\nThe original data of this data is in ASD standard format and can be opened with its own software viewspec. The processed reflectance data is saved in Excel format.\n(4) Component temperature measured by hand-held radiometer. The survey sites are Yingke oasis corn field and huazhaizi corn field. When observing maize, the component temperature refers to: ① maize vertical canopy temperature: the radiation temperature of maize leaves under vertical light; ② Bare soil temperature of corn: bare soil temperature of light between corn ridges; ③ Plastic film temperature: plastic film in corn ridge. When observing wheat, the component temperature refers to: ① wheat vertical canopy temperature: vertically observing wheat canopy temperature; ② Half high temperature of wheat: 1 / 2 height of wheat plant; ③ Wheat bottom temperature: 1 / 3 height of wheat plant; ④ Wheat bare soil temperature: the vertical observation temperature of the bare soil where the wheat root is located (non light)\nThe data includes original data, recorded data and temperature data after blackbody calibration. The original data is in doc format of word. After processing, the data is saved in Excel format.\n(5) Radiation temperature data measured by hand-held radiometer. The survey sites are Yingke oasis corn field, huazhaizi desert corn field, Zhangye airport runway and huazhaizi desert sample field 2. The data content specifically includes: canopy average temperature of Yingke oasis corn field, radiation temperature calibration data obtained from airport measurement of black and white cloth, strip temperature of huazhaizi desert corn field, 2 diagonal radiation temperature of huazhaizi desert sample land and 30 m quadrat radiation temperature in the sample land. The set specific emissivity of each instrument is 1.00. The component temperature was measured at the same time.\nThe data includes original data and processing data, and the processing data is the temperature after blackbody calibration. The original data is in doc format of word. The processed data is saved in Excel format.\n(6) Spectral, photosynthetic, fluorescence and chlorophyll information of Soybean (C3) and maize (C4) leaves in Yingke oasis maize field. The air temperature, soybean leaf temperature and corn leaf temperature were measured by SPAD chlorophyll meter of Remote Sensing Institute. The unit is Celsius ℃. Leaf chlorophyll content was measured by SPAD.\n(7) ASD spectrometer (No. 64831) and 50% gray plate of Remote Sensing Institute measured the leaf spectrum. The 50% gray plate calibration data of Remote Sensing Institute is used to convert the spectral DN value into radiance value and into readable excel file by using the calibration lamp data of spectrometer. The radiance of the reference plate is converted into solar radiance according to the reflectivity of the reference plate. That is, solar radiance = radiance of reference plate / reflectivity of reference plate.\n(8) Leaf fluorescence. The instrument used is the imaging PAM imaging fluorescence instrument of Beijing Academy of agricultural and Forestry Sciences. Where f: fluorescence recorded before opening saturation pulse under light; M ': maximum fluorescence recorded by opening saturation pulse under illumination; Yii = (FM '- F) / FM', PSII actual quantum yield. The imaging fluorescence data format is PIM file, which needs to be opened with imagingpam software (available from http://www.zealquest.com Download the installation program and operation guide). Obtain the average fluorescence value of the whole image (automatically calculated by the supporting software).\n(9) Li-6400 photosynthetic instrument measures leaf photosynthesis, and the data parameters are shown in the data file\n（10) Fixed self recording point thermometer measurement data. The radiation temperature in corn fields of Yingke oasis and huazhaizi was measured. The instruments are the thermometer of the Institute of remote sensing, Chinese Academy of Sciences and the fixed self recording point thermometer of Beijing Normal University. The sampling interval of the instrument in the Institute of remote sensing, Chinese Academy of Sciences is 0.05s, and the specific emissivity of the instrument is 1.0. See data document for erection height. The field angle of view of the instrument of Beijing Normal University is about 10 °, observed vertically downward, the sampling interval is 1s, and the specific emissivity of the instrument is set as 0.95. This data includes original data and processed data after blackbody calibration and specific emissivity correction. All are saved in Excel format.\n(11) According to the data of photosynthetic active radiation ratio (FPAR), the measurement location is the corn sample plot in Yingke oasis. The measuring instruments are SunScan canopy analyzer and digital camera. The measurement is divided into upper and lower sections, and the incident and reflected par are measured at the same time. FPAR = (reaching canopy par - surface transmission par - canopy reflection par + surface reflection PAR) / reaching canopy par apar = FPAR × Reach the canopy par. This data is saved in word format.\n(12) CE318 solar spectrophotometer atmospheric parameter data. The atmospheric parameters measured by the solar spectrophotometer produced by cimel company in France are used. The survey site is the corn field of Yingke oasis. CE318 solar spectrophotometer can inverse the optical thickness, Rayleigh scattering and aerosol optical thickness of non water vapor channel through direct solar radiation measurement data. The water vapor content of atmospheric column can be obtained from 936nm measurement data of water vapor channel, and the horizontal visibility can also be derived from CE318 data. CE318 of Beijing Normal University is used in this measurement, which can provide the optical thickness of five bands: 1020nm, 936nm, 870nm, 670nm and 440nm, and the water vapor content of the atmospheric column can be retrieved from the 936nm measurement data. This data includes original data and processed atmospheric data. The original data is stored in CE318 unique file format *. K7, which can be opened with astpwin software, and the description file readme.txt is attached; The processed documents include the optical thickness, Rayleigh scattering, aerosol optical thickness, horizontal visibility and near surface atmospheric temperature retrieved from the original data, as well as the solar azimuth, zenith angle, sun earth distance correction factor and atmospheric column mass number involved in the calculation. The processing data is saved in Excel format.
", "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(1) The radiation temperature measured by the thermal imager of the Institute of remote sensing, Chinese Academy of Sciences. The radiation temperature of corn, wheat and bare soil in Yingke oasis was measured. The instrument obtains the component radiation temperature data and takes optical photos in the same field of view at the same time. The shooting height of the thermal imager is about 1.2m.\nThis data includes original data and records, instrument blackbody calibration data. The original data can be processed by using the supporting processing software thermacam research 2001, or the data can be converted into other formats in the software for self programming and reading. The blackbody calibration data of the instrument is stored in Excel format.\n(2) Albedo data, the measurement object is row sowing corn in Yingke oasis corn field. The measuring instrument includes the voltage value in the upper table and the voltage value in the lower table of the shortwave meter, which is converted into albedo data through the sensitivity coefficient of the meter. The relationship between field radius R and probe height h in the following table is: r = 10h. This data is stored in Excel.\n(3) ASD spectrometer data. Using the spectrometer (350-1603nm) provided by the Institute of remote sensing of Chinese Academy of Sciences, the spectrum of corn field in Yingke oasis was measured by gray plate. The calibration spectra were measured at the airport by spectrometer, gray plate and black-and-white cloth of Beijing Academy of agricultural and Forestry Sciences. The original data of reflectance after calibration need to be further calculated. The data includes original data, recorded data and processed reflectance data.\nThe original data of this data is in ASD standard format and can be opened with its own software viewspec. The processed reflectance data is saved in Excel format.\n(4) Component temperature measured by hand-held radiometer. The survey sites are Yingke oasis corn field and huazhaizi corn field. When observing maize, the component temperature refers to: ① maize vertical canopy temperature: the radiation temperature of maize leaves under vertical light; ② Bare soil temperature of corn: bare soil temperature of light between corn ridges; ③ Plastic film temperature: plastic film in corn ridge. When observing wheat, the component temperature refers to: ① wheat vertical canopy temperature: vertically observing wheat canopy temperature; ② Half high temperature of wheat: 1 / 2 height of wheat plant; ③ Wheat bottom temperature: 1 / 3 height of wheat plant; ④ Wheat bare soil temperature: the vertical observation temperature of the bare soil where the wheat root is located (non light)\nThe data includes original data, recorded data and temperature data after blackbody calibration. The original data is in doc format of word. After processing, the data is saved in Excel format.\n(5) Radiation temperature data measured by hand-held radiometer. The survey sites are Yingke oasis corn field, huazhaizi desert corn field, Zhangye airport runway and huazhaizi desert sample field 2. The data content specifically includes: canopy average temperature of Yingke oasis corn field, radiation temperature calibration data obtained from airport measurement of black and white cloth, strip temperature of huazhaizi desert corn field, 2 diagonal radiation temperature of huazhaizi desert sample land and 30 m quadrat radiation temperature in the sample land. The set specific emissivity of each instrument is 1.00. The component temperature was measured at the same time.\nThe data includes original data and processing data, and the processing data is the temperature after blackbody calibration. The original data is in doc format of word. The processed data is saved in Excel format.\n(6) Spectral, photosynthetic, fluorescence and chlorophyll information of Soybean (C3) and maize (C4) leaves in Yingke oasis maize field. The air temperature, soybean leaf temperature and corn leaf temperature were measured by SPAD chlorophyll meter of Remote Sensing Institute. The unit is Celsius ℃. Leaf chlorophyll content was measured by SPAD.\n(7) ASD spectrometer (No. 64831) and 50% gray plate of Remote Sensing Institute measured the leaf spectrum. The 50% gray plate calibration data of Remote Sensing Institute is used to convert the spectral DN value into radiance value and into readable excel file by using the calibration lamp data of spectrometer. The radiance of the reference plate is converted into solar radiance according to the reflectivity of the reference plate. That is, solar radiance = radiance of reference plate / reflectivity of reference plate.\n(8) Leaf fluorescence. The instrument used is the imaging PAM imaging fluorescence instrument of Beijing Academy of agricultural and Forestry Sciences. Where f: fluorescence recorded before opening saturation pulse under light; M ': maximum fluorescence recorded by opening saturation pulse under illumination; Yii = (FM '- F) / FM', PSII actual quantum yield. The imaging fluorescence data format is PIM file, which needs to be opened with imagingpam software (available from http://www.zealquest.com Download the installation program and operation guide). Obtain the average fluorescence value of the whole image (automatically calculated by the supporting software).\n(9) Li-6400 photosynthetic instrument measures leaf photosynthesis, and the data parameters are shown in the data file\n（10) Fixed self recording point thermometer measurement data. The radiation temperature in corn fields of Yingke oasis and huazhaizi was measured. The instruments are the thermometer of the Institute of remote sensing, Chinese Academy of Sciences and the fixed self recording point thermometer of Beijing Normal University. The sampling interval of the instrument in the Institute of remote sensing, Chinese Academy of Sciences is 0.05s, and the specific emissivity of the instrument is 1.0. See data document for erection height. The field angle of view of the instrument of Beijing Normal University is about 10 °, observed vertically downward, the sampling interval is 1s, and the specific emissivity of the instrument is set as 0.95. This data includes original data and processed data after blackbody calibration and specific emissivity correction. All are saved in Excel format.\n(11) According to the data of photosynthetic active radiation ratio (FPAR), the measurement location is the corn sample plot in Yingke oasis. The measuring instruments are SunScan canopy analyzer and digital camera. The measurement is divided into upper and lower sections, and the incident and reflected par are measured at the same time. FPAR = (reaching canopy par - surface transmission par - canopy reflection par + surface reflection PAR) / reaching canopy par apar = FPAR × Reach the canopy par. This data is saved in word format.\n(12) CE318 solar spectrophotometer atmospheric parameter data. The atmospheric parameters measured by the solar spectrophotometer produced by cimel company in France are used. The survey site is the corn field of Yingke oasis. CE318 solar spectrophotometer can inverse the optical thickness, Rayleigh scattering and aerosol optical thickness of non water vapor channel through direct solar radiation measurement data. The water vapor content of atmospheric column can be obtained from 936nm measurement data of water vapor channel, and the horizontal visibility can also be derived from CE318 data. CE318 of Beijing Normal University is used in this measurement, which can provide the optical thickness of five bands: 1020nm, 936nm, 870nm, 670nm and 440nm, and the water vapor content of the atmospheric column can be retrieved from the 936nm measurement data. This data includes original data and processed atmospheric data. The original data is stored in CE318 unique file format *. K7, which can be opened with astpwin software, and the description file readme.txt is attached; The processed documents include the optical thickness, Rayleigh scattering, aerosol optical thickness, horizontal visibility and near surface atmospheric temperature retrieved from the original data, as well as the solar azimuth, zenith angle, sun earth distance correction factor and atmospheric column mass number involved in the calculation. The processing data is saved in Excel format.
\n", "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": "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": [ "叶绿素", "气溶胶光学深度", "冠层光谱", "红外广角双模式成像仪WiDAS", "植被", "气溶胶", "机载地面遥感", "冠层反射辐射", "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": [ "盈科绿洲加密观测区", "黑河流域", "中游干旱区水文试验区", "花寨子荒漠加密观测区" ], "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": "郝晓华", "email": "haoxh@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": "王树果", "email": "sgwang@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": "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" }