本数据为2008年6月23日，在阿柔样方2和阿柔样方3开展的针对PROBA CHRIS数据的地面同步观测试验，观测项目包括样方调查、粗糙度、BRDF、鱼眼相机测量LAI。本数据可为发展和验证高光谱遥感反演生物物理参数提供基本的地面数据集。\n
\n1. 样方调查：阿柔样方2和阿柔样方3。数据存储：Excel格式表格。调查内容：GPS位置、物种、数量、高度、物候、盖度、叶绿素。\n
\n（1）GPS点号，用GARMIN GPS 76记录。\n
\n（2）物种采用人工识别的方法。\n
\n（3）数量采用人工数的方法。\n
\n（4）自然高度用卷尺测量，4－5个重复。\n
\n（5）物候采样用人工估计的方法。\n
\n（6）盖度采用50cm×50cm的网格，网格大小为5cm×5cm，人工估计的方法。\n
\n（7）叶绿素含量用SPAD 502 叶绿素仪测量，多个重复。\n
\n2. 粗糙度测量：自制粗糙度板和照相机。处理后数据为文本格式。\n
\n3. BRDF观测：ASD FieldSpec光谱仪，350～2500 nm；参考板信息：20%参考板；北师大2008年新制多角度观测架一台。存储方式： 处理后的反射率和透射率是文本格式。\n
\n4. 鱼眼相机测量LAI：佳能EOS40D相机和佳能EF15/28鱼眼镜头以及相机支架观测对象：狼毒、牧草。拍摄方法：大部分照片为从上向下拍摄，较高的作物拍摄时采取从下向上拍摄，特殊情况下，比如光线太强时，采取向下倾斜45度拍摄。具体拍摄情况见数据说明文档。存储方式：该数据包括拍摄的原始照片，以及用can_eye5.0软件处理以后的结果。原始照片格式为JPG，处理结果文件格式为Excel表格。\n
\n本数据集包括：\n
\n（1）阿柔样方2波谱仪观测数据\n
\n（2）阿柔样方2和阿柔样方3多角度观测数据\n
\n（3）阿柔样地2和阿柔样地3粗糙度照片\n
\n（4）鱼眼相机观测数据\n
（5）阿柔样方2和阿柔样方3样方调查记录表
", "ds_source": "在阿柔样方2和阿柔样方3开展的针对PROBA CHRIS数据的地面同步观测试验，观测项目包括样方调查、粗糙度、BRDF、鱼眼相机测量LAI。本数据可为发展和验证高光谱遥感反演生物物理参数提供基本的地面数据集。", "ds_process_way": "
粗糙度测量：自制粗糙度板和照相机。处理后数据为文本格式。\n
\nBRDF观测：ASD FieldSpec光谱仪，350～2500 nm；参考板信息：20%参考板；北师大2008年新制多角度观测架一台。存储方式： 处理后的反射率和透射率是文本格式。\n
鱼眼相机测量LAI：佳能EOS40D相机和佳能EF15/28鱼眼镜头以及相机支架观测对象：狼毒、牧草。拍摄方法：大部分照片为从上向下拍摄，较高的作物拍摄时采取从下向上拍摄，特殊情况下，比如光线太强时，采取向下倾斜45度拍摄。具体拍摄情况见数据说明文档。存储方式：该数据包括拍摄的原始照片，以及用can_eye5.0软件处理以后的结果。原始照片格式为JPG，处理结果文件格式为Excel表格。
", "ds_quality": "\n数据质量良好
", "ds_acq_start_time": "2008-06-23 00:00:00", "ds_acq_end_time": "2008-06-24 00:00:00", "ds_acq_place": "黑河流域,阿柔加密观测站,上游寒区水文实验站", "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": 351443769, "ds_files_count": 2, "ds_format": "excel", "ds_space_res": null, "ds_time_res": "时", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "ee09f967-4742-40a0-b68d-a809ab925a78.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.db1906.2022", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2022-03-15 18:13:00", "last_updated": "2025-06-30 16:05:45", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.NIEER.2021.1927", "i18n": { "en": { "title": "Heihe River Integrated Remote Sensing joint experiment: proba Chris ground synchronous observation data set in ARW encrypted observation area (June 23, 2008)", "ds_format": "excel", "ds_source": "The ground synchronous observation test for proba Chris data was carried out in a rou quadrat 2 and a rou quadrat 3. The observation items include quadrat investigation, roughness, BRDF and fish eye camera measurement Lai. This data can provide a basic ground data set for the development and verification of biophysical parameters retrieved by hyperspectral remote sensing.", "ds_quality": "
\nGood data quality
", "ds_ref_way": "", "ds_abstract": "This data is the ground synchronous observation test for proba Chris data carried out in a rou quadrat 2 and a rou quadrat 3 on June 23, 2008. The observation items include quadrat survey, roughness, BRDF and fish eye camera measurement Lai. This data can provide a basic ground data set for the development and verification of biophysical parameters retrieved by hyperspectral remote sensing.\n
\n1. Quadrat survey: a rou quadrat 2 and a rou quadrat 3. Data storage: Excel format table. Survey contents: GPS location, species, quantity, height, phenology, coverage and chlorophyll.\n
\n（ 1) GPS point number, recorded with Garmin GPS 76.\n
\n（ 2) Species were identified manually.\n
\n（ 3) The quantity adopts the method of labor quantity.\n
\n（ 4) The natural height shall be measured with a tape measure, with 4-5 repetitions.\n
\n（ 5) Phenological sampling is estimated manually.\n
\n（ 6) The coverage is 50cm × 50cm grid, the grid size is 5cm × 5cm, manual estimation method.\n
\n（ 7) The chlorophyll content was measured with SPAD 502 chlorophyll meter, with multiple repetitions.\n
\n2. Roughness measurement: self made roughness board and camera. The processed data is in text format.\n
\n3. BRDF observation: ASD FieldSpec spectrometer, 350 ~ 2500 nm; Reference plate information: 20% reference plate; Beijing Normal University made a new multi angle observation frame in 2008. Storage method: the processed reflectivity and transmittance are in text format.\n
\n4. Fish eye camera measures Lai: Canon eos40d camera, Canon ef15 / 28 fish eye lens and camera support. Observation objects: Stellera chamaejasme and herbage. Shooting method: most photos are taken from top to bottom. For higher crops, they are taken from bottom to top. Under special circumstances, such as when the light is too strong, they are taken at a downward tilt of 45 degrees. See the data description document for specific shooting conditions. Storage method: the data includes the original photos taken and can_ The results after eye5.0 software processing. The original photo format is JPG, and the processing result file format is excel.\n
\nThis dataset includes:\n
\n（ 1) Observation data of a flexible quadrat 2 spectrometer\n
\n（ 2) Multiple angle observation data of a-rou quadrat 2 and a-rou quadrat 3\n
\n（ 3) Roughness photos of flexible sample plot 2 and flexible sample plot 3\n
\n（ 4) Fish eye camera observation data\n
（ 5) Investigation record of a rou quadrat 2 and a rou quadrat 3
", "ds_time_res": "时", "ds_acq_place": "Heihe River Basin, a rou densification observation station, upstream cold region hydrological Experiment Station", "ds_space_res": "", "ds_projection": "", "ds_process_way": "Roughness measurement: self made roughness board and camera. The processed data is in text format.\n
\nBRDF observation: ASD FieldSpec spectrometer, 350 ~ 2500 nm; Reference plate information: 20% reference plate; Beijing Normal University made a new multi angle observation frame in 2008. Storage method: the processed reflectivity and transmittance are in text format.\n
Fish eye camera measures Lai: Canon eos40d camera, Canon ef15 / 28 fish eye lens and camera support. Observation objects: Stellera chamaejasme and grass. Shooting method: most photos are taken from top to bottom. For higher crops, they are taken from bottom to top. Under special circumstances, such as when the light is too strong, they are taken at a downward tilt of 45 degrees. See the data description document for specific shooting conditions. Storage method: the data includes the original photos taken and can_ The results after eye5.0 software processing. The original photo format is JPG, and the processing result 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": "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": [ "SRDF", "黑河流域", "样方调查", "粗糙度", "航天遥感", "叶面积指数", "地表粗糙度", "植被", "叶绿素", "鱼眼相机", "植被盖度", "可见光遥感", "地面验证信息", "机载地面遥感", "大地测量" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "黑河流域", "上游寒区水文试验区", "阿柔加密观测区" ], "ds_time_tags": [ 2008 ], "ds_contributors": [ { "true_name": "晋锐", "email": "jinrui@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": "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": "屈永华", "email": "qyh@bnu.edu.cn", "work_for": "北京师范大学", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "晋锐", "email": "jinrui@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": "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" } ], "ds_managers": [ { "true_name": "晋锐", "email": "jinrui@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" } ], "category": "遥感及产品" }