2008年6月22日在盈科绿洲与花寨子荒漠加密观测区进行了星载高光谱传感器PROBA CHRIS同步测量。在盈科绿洲玉米地测量了行播玉米的BRDF光谱数据和CE318太阳分光光度计大气参数数据；在花寨子荒漠样地2测量了荒漠植被与裸土混合BRDF光谱数据、反照率Albedo数据。\n
\n测量内容：\n
\n（1）花寨子荒漠样地2测量的Albedo数据。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（2）盈科绿洲玉米地行播玉米和花寨子荒漠样地2的BRDF光谱数据。行播玉米的测量仪器为北京大学的ASD光谱仪（350-2500nm）和北京师范大学自制的光谱多角度观测架，该观测架可以最高在距离地面5m的高度，方位角0~360°，天顶角-60°~60°之间进行光谱测量。在行播玉米的BRDF测量时，选择了主平面与垂直主平面，垂直垄平面和顺垄平面进行观测。每次观测以10°为间隔。主平面上前向观测角为正，后向观测角为负。垂直观测为0°，向两侧角度值逐渐增大。 荒漠BRDF测量的仪器为中国科学院遥感应用研究所的ASD光谱仪和其自制多角度观测架。该观测架最高高度为2m，天顶角为-70°~70°，并插入了±45°。方位角通过移动基座来实现改变。 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。导出原始数据，反射率需进一步计算。处理后的反射率数据以Excel格式保存。\n
\n（3） CE318太阳分光光度计大气参数数据。本数据集为利用法国CIMEL公司生产的太阳分光光度计测量得到的大气参数。测量地点为花寨子荒漠样地2。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。
", "ds_source": "2008年6月22日在盈科绿洲与花寨子荒漠加密观测区进行了星载高光谱传感器PROBA CHRIS同步测量。在盈科绿洲玉米地测量了行播玉米的BRDF光谱数据和CE318太阳分光光度计大气参数数据；在花寨子荒漠样地2测量了荒漠植被与裸土混合BRDF光谱数据、反照率Albedo数据。
", "ds_process_way": "测量内容：
\n（1）花寨子荒漠样地2测量的Albedo数据。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。\n
\n（2）盈科绿洲玉米地行播玉米和花寨子荒漠样地2的BRDF光谱数据。行播玉米的测量仪器为北京大学的ASD光谱仪（350-2500nm）和北京师范大学自制的光谱多角度观测架，该观测架可以最高在距离地面5m的高度，方位角0~360°，天顶角-60°~60°之间进行光谱测量。在行播玉米的BRDF测量时，选择了主平面与垂直主平面，垂直垄平面和顺垄平面进行观测。每次观测以10°为间隔。主平面上前向观测角为正，后向观测角为负。垂直观测为0°，向两侧角度值逐渐增大。 荒漠BRDF测量的仪器为中国科学院遥感应用研究所的ASD光谱仪和其自制多角度观测架。该观测架最高高度为2m，天顶角为-70°~70°，并插入了±45°。方位角通过移动基座来实现改变。
\n（3） CE318太阳分光光度计大气参数数据。本数据集为利用法国CIMEL公司生产的太阳分光光度计测量得到的大气参数。测量地点为花寨子荒漠样地2。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。
", "ds_quality": "数据质量良好
", "ds_acq_start_time": "2008-06-22 00:00:00", "ds_acq_end_time": "2008-06-23 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": 95887614, "ds_files_count": 2, "ds_format": "excel,word", "ds_space_res": null, "ds_time_res": "时", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "2d07d94c-b54b-4ed5-aaff-f1a240fa891f.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.db1758.2022", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2022-03-14 09:36:02", "last_updated": "2023-08-22 15:12:31", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.NIEER.2021.1949", "i18n": { "en": { "title": "Integrated remote sensing joint experiment of Heihe River: profichris ground synchronous observation data set of Yingke oasis and huazhaizi desert intensive observation area (June 22, 2008)", "ds_format": "excel,word", "ds_source": "On June 22, 2008, the spaceborne hyperspectral sensor proba Chris was synchronously measured in the dense observation area of Yingke oasis and huazhaizi desert. BRDF spectral data and CE318 solar spectrophotometer atmospheric parameter data of row sowing maize were measured in Yingke oasis maize field; BRDF spectral data and albedo data of desert vegetation and bare soil were measured in huazhaizi desert sample plot 2.", "ds_quality": "
Good data quality
", "ds_ref_way": "", "ds_abstract": "On June 22, 2008, the spaceborne hyperspectral sensor proba Chris was synchronously measured in the dense observation area of Yingke oasis and huazhaizi desert. BRDF spectral data and CE318 solar spectrophotometer atmospheric parameter data of row sowing maize were measured in Yingke oasis maize field; BRDF spectral data and albedo data of desert vegetation and bare soil were measured in huazhaizi desert sample plot 2.\n
\nMeasurement content:\n
\n（ 1) Albedo data measured in huazhaizi desert sample plot 2. 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
\n（ 2) BRDF spectral data of row sowing maize in Yingke oasis and huazhaizi desert sample plot 2. The measuring instruments for row sowing corn are ASD spectrometer of Peking University (350-2500nm) and spectral multi angle observation frame made by Beijing Normal University. The observation frame can carry out spectral measurement at the height of 5m from the ground, azimuth angle of 0 ~ 360 ° and zenith angle of - 60 ° ~ 60 °. In the BRDF measurement of row sowing maize, the main plane and vertical main plane, vertical ridge plane and along ridge plane were selected for observation. Each observation is made at 10 ° intervals. The forward observation angle on the main plane is positive and the backward observation angle is negative. The vertical observation is 0 °, and the angle value gradually increases to both sides. The instrument for desert BRDF measurement is ASD spectrometer of Institute of remote sensing application, Chinese Academy of Sciences and its self-made multi angle observation frame. The maximum height of the observation frame is 2m, the zenith angle is - 70 ° ~ 70 °, and ± 45 ° is inserted. The azimuth is changed by moving the base. The original data of this data is in ASD standard format and can be opened with its own software viewspec. The original data is exported, and the reflectivity needs further calculation. The processed reflectance data is saved in Excel format.\n
\n（ 3) CE318 solar spectrophotometer atmospheric parameter data. This data set is the atmospheric parameters measured by the solar spectrophotometer produced by cimel, France. The survey site is huazhaizi desert sample plot 2. 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 data results are 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) Albedo data measured in huazhaizi desert sample plot 2. 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.\n
\n（ 2) BRDF spectral data of row sowing maize in Yingke oasis and huazhaizi desert sample plot 2. The measuring instruments for row sowing corn are ASD spectrometer of Peking University (350-2500nm) and spectral multi angle observation frame made by Beijing Normal University. The observation frame can carry out spectral measurement at the height of 5m from the ground, azimuth angle of 0 ~ 360 ° and zenith angle of - 60 ° ~ 60 °. In the BRDF measurement of row sowing maize, the main plane and vertical main plane, vertical ridge plane and along ridge plane were selected for observation. Each observation is made at 10 ° intervals. The forward observation angle on the main plane is positive and the backward observation angle is negative. The vertical observation is 0 °, and the angle value gradually increases to both sides. The instrument for desert BRDF measurement is ASD spectrometer of Institute of remote sensing application, Chinese Academy of Sciences and its self-made multi angle observation frame. The maximum height of the observation frame is 2m, the zenith angle is - 70 ° ~ 70 °, and ± 45 ° is inserted. The azimuth is changed by moving the base\n
（ 3) CE318 solar spectrophotometer atmospheric parameter data. This data set is the atmospheric parameters measured by the solar spectrophotometer produced by cimel, France. The survey site is huazhaizi desert sample plot 2. 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.", "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": [ "航天遥感", "大气辐射", "地物光谱", "植被", "气溶胶", "反照率", "机载地面遥感", "气溶胶光学深度", "可见光遥感", "太阳分光光度计", "地面验证信息", "大气水汽" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "中游干旱区水文试验区", "黑河流域", "花寨子荒漠加密观测区", "盈科绿洲加密观测区" ], "ds_time_tags": [ 2008 ], "ds_contributors": [ { "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": "范闻捷", "email": "fanwj@pku.edu.cn", "work_for": "北京大学", "country": "中国" } ], "ds_meta_authors": [ { "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" } ], "ds_managers": [ { "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" } ], "category": "遥感及产品" }