2008年5月28日在临泽站加密观测区开展了ASTER卫星地面同步观测试验。观测内容包括土壤水分，地表辐射温度，地物光谱，BRDF。ASTER数据未获得。\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。观测样方和观测次数：荒漠东西样带（包含40个子样方，每个子样方角点环刀1次采样）、荒漠南北样带（包含9个子样方，每个子样方角点环刀1次采样）、五里墩农田样方9个小样方中点采样，中心的5号样方加密，4个角点也采样（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#），仪器均经过定标（请参考手持红外温度计定标数据.xls）。观测样方和采样次数：荒漠东西样带（包含40个子样方，每个子样方内14－30次观测）、荒漠南北样带（包含9个子样方，每个子样方内12－30次观测）。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．地物光谱；观测仪器：北师大ASD光谱仪，350-2 500 nm，40%参考板。观测地点：五里墩农田样方和荒漠过渡带。观测目标：玉米地、土壤、含水量已知的土壤等地物光谱。数据存储：数据包括原始数据和预处理后的数据。原始数据是光谱仪直接产生的二进制文件，用ViewSpecPro软件可以打开，详细观测记录见数据文件每天的观测记录；预处理得到的为反射率数据，格式为文本格式。\n
\n4．BRDF；观测仪器：北师大ASD光谱仪，350-2 500 nm； 40%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。观测地点：五里墩农田样方和荒漠过渡带。样本类型：玉米，荒漠过渡带灌丛。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
\n5. 手工测量LAI；观测地点：五里墩农田样方和临泽站内样方。观测项目：LAI，株高，间距。LAI测量方案：（1）利用直尺和三角板，抽样测量和记录叶片长和宽，样方作物总株数，样方大小，计算出作物的平均叶片面积，乘上样方内总株数，得出估算的作物总的叶片面积后，除以样方面积，得到的是观测样方每天的LAI测量平均值；（2）利用LI-3100测量LAI。株高测量方案：用卷尺测量样方内制种玉米的父本和母本的高度。间距测量方案：用卷尺分别测量制种玉米父本和母本的行距，株距和垄距。存储方式：此数据为处理后数据，文件格式为Excel表格。\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28日在临泽站加密观测区开展了ASTER卫星地面同步观测试验。观测内容包括土壤水分，地表辐射温度，地物光谱，BRDF。ASTER数据未获得。
", "ds_process_way": "1．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。观测样方和观测次数：荒漠东西样带（包含40个子样方，每个子样方角点环刀1次采样）、荒漠南北样带（包含9个子样方，每个子样方角点环刀1次采样）、五里墩农田样方9个小样方中点采样，中心的5号样方加密，4个角点也采样（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#），仪器均经过定标（请参考手持红外温度计定标数据.xls）。观测样方和采样次数：荒漠东西样带（包含40个子样方，每个子样方内14－30次观测）、荒漠南北样带（包含9个子样方，每个子样方内12－30次观测）。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。
\n3．地物光谱；观测仪器：北师大ASD光谱仪，350-2 500 nm，40%参考板。观测地点：五里墩农田样方和荒漠过渡带。观测目标：玉米地、土壤、含水量已知的土壤等地物光谱。数据存储：数据包括原始数据和预处理后的数据。原始数据是光谱仪直接产生的二进制文件，用ViewSpecPro软件可以打开，详细观测记录见数据文件每天的观测记录；预处理得到的为反射率数据，格式为文本格式。
\n4．BRDF；观测仪器：北师大ASD光谱仪，350-2 500 nm； 40%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。观测地点：五里墩农田样方和荒漠过渡带。样本类型：玉米，荒漠过渡带灌丛。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手工测量LAI；观测地点：五里墩农田样方和临泽站内样方。观测项目：LAI，株高，间距。LAI测量方案：（1）利用直尺和三角板，抽样测量和记录叶片长和宽，样方作物总株数，样方大小，计算出作物的平均叶片面积，乘上样方内总株数，得出估算的作物总的叶片面积后，除以样方面积，得到的是观测样方每天的LAI测量平均值；（2）利用LI-3100测量LAI。株高测量方案：用卷尺测量样方内制种玉米的父本和母本的高度。间距测量方案：用卷尺分别测量制种玉米父本和母本的行距，株距和垄距。存储方式：此数据为处理后数据，文件格式为Excel表格。
", "ds_quality": "数据质量良好
\n\n4．BRDF；观测仪器：北师大ASD光谱仪，350-2 500 nm； 40%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。观测地点：五里墩农田样方和荒漠过渡带。样本类型：玉米，荒漠过渡带灌丛。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
\n5. 手工测量LAI；观测地点：五里墩农田样方和临泽站内样方。观测项目：LAI，株高，间距。LAI测量方案：（1）利用直尺和三角板，抽样测量和记录叶片长和宽，样方作物总株数，样方大小，计算出作物的平均叶片面积，乘上样方内总株数，得出估算的作物总的叶片面积后，除以样方面积，得到的是观测样方每天的LAI测量平均值；（2）利用LI-3100测量LAI。株高测量方案：用卷尺测量样方内制种玉米的父本和母本的高度。间距测量方案：用卷尺分别测量制种玉米父本和母本的行距，株距和垄距。存储方式：此数据为处理后数据，文件格式为Excel表格。\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_acq_start_time": "2008-06-12 00:00:00", "ds_acq_end_time": "2008-06-12 00:00:00", "ds_acq_place": "黑河流域, 中游干旱区水文试验区, 临泽站加密观测区", "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": 1193763078, "ds_files_count": 8, "ds_format": "excel", "ds_space_res": null, "ds_time_res": "时", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "273d0b2d-e0a8-4700-a004-afc80c40196b.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.db1861.2022", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2022-03-15 15:34:16", "last_updated": "2025-06-30 16:07:30", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.nieer.2020.1547", "i18n": { "en": { "title": "Heihe integrated remote sensing joint test: aster ground synchronous observation data set in the encrypted observation area of Linze station (May 28, 2008)", "ds_format": "excel", "ds_source": "On May 28, 2008, the aster satellite ground synchronous observation test was carried out in the encrypted observation area of Linze station. The observation contents include soil moisture, surface radiation temperature, surface feature spectrum and BRDF. ASTER data not obtained
", "ds_quality": "Good data quality
", "ds_ref_way": "", "ds_abstract": "On May 28, 2008, the aster satellite ground synchronous observation test was carried out in the encrypted observation area of Linze station. The observation contents include soil moisture, surface radiation temperature, surface feature spectrum and BRDF. ASTER data not obtained.\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 observation times: Desert East-West sample belt (including 40 sub quadrats, each sub quadrat corner point is sampled once), desert north-south sample belt (including 9 sub quadrats, each sub quadrat corner point is sampled once), wulidun farmland sample is sampled at the midpoint of 9 small quadrats, sample No. 5 in the center is encrypted, and 4 corner points are also sampled (each measuring point is sampled once with a ring knife), 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#), and the instruments have been calibrated (please refer to the calibration data of hand-held infrared thermometer. XLS). Observation quadrats and sampling times: Desert East-West sample zone (including 40 sub quadrats, 14-30 observations in each sub quadrat), desert north-south sample zone (including 9 sub quadrats, 12-30 observations in each sub quadrat). 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. Ground feature spectrum; Observation instrument: ASD spectrometer of Beijing Normal University, 350-2500 nm, 40% reference plate. Observation site: wulidun farmland quadrat and desert transition zone. Observation target: spectrum of surface features such as corn field, soil and soil with known water content. Data storage: data includes original data and preprocessed data. The original data is the binary file directly generated by the spectrometer, which can be opened with viewspecpro software. See the daily observation records in the data file for detailed observation records; The reflectance data obtained by preprocessing is in text format.\n
4．BRDF； Observation instrument: ASD spectrometer of Beijing Normal University, 350-2500 nm; 40% 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 site: wulidun farmland quadrat and desert transition zone. Sample type: maize, shrub in desert transition zone. 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
5. Manually measure Lai; Observation site: wulidun farmland quadrat and Linze station quadrat. Observation items: Lai, plant height and spacing. Lai measurement scheme: (1) use a ruler and a triangular plate to sample, measure and record the leaf length and width, the total number of crops in the quadrat and the quadrat size, calculate the average leaf area of the crop, multiply by the total number of plants in the quadrat, obtain the estimated total leaf area of the crop, and divide it by the quadrat area to obtain the average Lai measurement value of the observed quadrat every day（ 2) Lai was measured using li-3100. Plant height measurement scheme: measure the height of male and female parents of seed Maize in the quadrat with a tape measure. Spacing measurement scheme: measure the row spacing, plant spacing and ridge spacing of male and female parents of seed maize with tape. Storage method: this data is processed data, and the file format is excel.\n
See 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, hydrological experimental area of arid area in the middle reaches, intensive observation area of Linze station", "ds_space_res": "", "ds_projection": "", "ds_process_way": "\n1. Soil moisture observation; Observation target: 0-5cm topsoil. Observation instrument: ring knife (volume 50cm ^ 3), ml2x soil moisture rapid tester. Observation quadrats and observation times: Desert East-West sample belt (including 40 sub quadrats, each sub quadrat corner point is sampled once), desert north-south sample belt (including 9 sub quadrats, each sub quadrat corner point is sampled once), wulidun farmland sample is sampled at the midpoint of 9 small quadrats, sample No. 5 in the center is encrypted, and 4 corner points are also sampled (each measuring point is sampled once with a ring knife), 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#), and the instruments have been calibrated (please refer to the calibration data of hand-held infrared thermometer. XLS). Observation quadrats and sampling times: Desert East-West sample zone (including 40 sub quadrats, 14-30 observations in each sub quadrat), desert north-south sample zone (including 9 sub quadrats, 12-30 observations in each sub quadrat). 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. Ground feature spectrum; Observation instrument: ASD spectrometer of Beijing Normal University, 350-2500 nm, 40% reference plate. Observation site: wulidun farmland quadrat and desert transition zone. Observation target: spectrum of surface features such as corn field, soil and soil with known water content. Data storage: data includes original data and preprocessed data. The original data is the binary file directly generated by the spectrometer, which can be opened with viewspecpro software. See the daily observation records in the data file for detailed observation records; The reflectance data obtained by preprocessing is in text format.\n
4．BRDF； Observation instrument: ASD spectrometer of Beijing Normal University, 350-2500 nm; 40% 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 site: wulidun farmland quadrat and desert transition zone. Sample type: maize, shrub in desert transition zone. 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
5. Manually measure Lai; Observation site: wulidun farmland quadrat and Linze station quadrat. Observation items: Lai, plant height and spacing. Lai measurement scheme: (1) use a ruler and a triangular plate to sample, measure and record the leaf length and width, the total number of crops in the quadrat and the quadrat size, calculate the average leaf area of the crop, multiply by the total number of plants in the quadrat, obtain the estimated total leaf area of the crop, and divide it by the quadrat area to obtain the average Lai measurement value of the observed quadrat every day（ 2) Lai was measured using li-3100. Plant height measurement scheme: measure the height of male and female parents of seed Maize in the quadrat with a tape measure. Spacing measurement scheme: measure the row spacing, plant spacing and ridge spacing of male and female parents of seed maize with tape. Storage method: this data is processed data, and the file format is excel.", "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": [ "LAI", "地面同步观测", "地表辐射温度", "ASD光谱仪", "反射率", "BRDF", "手持式红外温度计", "环刀", "ASTER", "多角度观测架", "ML2X土壤水分速测仪", "土壤水分" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "临泽站加密观测区", "黑河流域", "中游干旱区水文试验区" ], "ds_time_tags": [ 2008 ], "ds_contributors": [ { "true_name": "宋怡", "email": "songyi05@sohu.com", "work_for": "中国科学院西北生态环境资源研究院", "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": "" }, { "true_name": "潘小多", "email": "panxiaoduo@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": "李静", "email": "lijing01@radi.ac.cn", "work_for": "中国科学院遥感与数字地球研究所", "country": "中国" }, { "true_name": "屈永华", "email": "qyh@bnu.edu.cn", "work_for": "北京师范大学", "country": "中国" }, { "true_name": "孙青松", "email": "qso_sun@qq.com", "work_for": "北京师范大学", "country": "中国" } ], "ds_meta_authors": [ { "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_managers": [ { "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": "" } ], "category": "遥感及产品" }