该数据集主要内容为超级样地的每株树木的观测数据，观测时间为2008年6月2日至2008年6月10日.\n
\n超级样地围绕大野口关滩森林站设置。由于超级样地大小为100m×100m，为方便测树调查，将其划分成16个子样地，以子样地为单位进行每木测树调查，每木测量因子包括：胸径、树高、枝下高、横坡方向冠幅宽、顺坡方向冠幅宽和单木生长状况。测量仪器主要为：皮尺、胸径尺、激光测高仪、超声波测高仪、花杆、罗盘仪。该数据集也记录了16块子样地的中心点经纬度坐标（利用Z-MAX DGPS测量）.\n
\n该数据集可用于遥感森林结构参数提取算法的验证。该数据集和超级样地其他观测数据一起可用于森林3D场景的重建、主被动遥感机理模型建立、遥感影像的模拟等研究。
", "ds_source": "该数据集主要内容为超级样地的每株树木的观测数据，观测时间为2008年6月2日至2008年6月10日。超级样地围绕大野口关滩森林站设置。由于超级样地大小为100m×100m，为方便测树调查，将其划分成16个子样地，以子样地为单位进行每木测树调查。
", "ds_process_way": "以子样地为单位进行每木测树调查，每木测量因子包括：胸径、树高、枝下高、横坡方向冠幅宽、顺坡方向冠幅宽和单木生长状况。测量仪器主要为：皮尺、胸径尺、激光测高仪、超声波测高仪、花杆、罗盘仪。
", "ds_quality": "数据质量良好
", "ds_acq_start_time": "2008-12-14 00:00:00", "ds_acq_end_time": "2008-12-22 00:00:00", "ds_acq_place": "黑河流域, 大野口流域加密观测区, 森林水文试验区, 大野口关滩森林站超级样地", "ds_acq_lon_east": 100.22500000000001, "ds_acq_lat_south": 38.516666666666666, "ds_acq_lon_west": 100.30583333333333, "ds_acq_lat_north": 38.55916666666666, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 2343462, "ds_files_count": 4, "ds_format": "excel", "ds_space_res": null, "ds_time_res": "日", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "cb01f98c-363f-4ce3-b9d1-cfddabfcbaa7.png", "ds_thumb_from": 0, "ds_ref_way": "陈尔学, 杨永恬, 过志峰, 王顺利，黑河综合遥感联合试验：大野口关滩森林站超级样地测树调查数据集（2008年），国家冰川冻土沙漠科学数据中心(www.ncdc.ac.cn)，2021，doi：10.12072/ncdc.NIEER.db1735.2022", "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.db1735.2022", "subject_codes": null, "quality_level": 3, "publish_time": "2021-09-14 09:58:01", "last_updated": "2022-03-14 08:44:12", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.NIEER.2021.10", "i18n": { "en": { "title": "Joint experiment of Heihe River comprehensive remote sensing: Super sample tree survey data set of Dayekou guantan forest station", "ds_format": "", "ds_source": "The data set mainly includes the observation data of each tree in the super sample plot from June 2, 2008 to June 10, 2008. The super sample plot is set around dayaokou guantan forest station. Because the size of super plot is 100m × 100m. In order to facilitate the tree survey, it is divided into 16 sub sample plots, and the tree survey of each wood is carried out in the unit of sub sample plots", "ds_quality": "
Good data quality
", "ds_ref_way": "", "ds_abstract": "The data set mainly includes the observation data of each tree in the super sample plot from June 2, 2008 to June 10, 2008\n
\nThe super sample plot is set around dayaokou guantan forest station. Because the size of super plot is 100m × 100m. In order to facilitate the tree survey, it is divided into 16 sub sample plots. The tree survey of each tree is carried out in sub sample plots. The measurement factors of each tree include: DBH, tree height, height under branches, crown width in cross slope direction, crown width along slope direction and single tree growth. The main measuring instruments are: tape measure, DBH ruler, laser altimeter, ultrasonic altimeter, flower pole and compass. The data set also records the longitude and latitude coordinates of the center point of 16 sub plots (measured by z-max DGPS)\n
\nThe data set can be used to verify the extraction algorithm of forest structural parameters from remote sensing. Together with other observation data of super sample plot, this data set can be used for forest 3D scene reconstruction, active and passive remote sensing mechanism model establishment, remote sensing image simulation and so on
", "ds_time_res": "日", "ds_acq_place": "Heihe River Basin, Dayekou basin intensive observation area, forest hydrological test area, Dayekou guantan Forest Station Super sample plot", "ds_space_res": "", "ds_projection": "", "ds_process_way": "Each tree was surveyed by taking the sub sample plot as a unit. The measurement factors of each tree include: DBH, tree height, height under branches, crown width in cross slope direction, crown width in slope direction and single tree growth. The main measuring instruments are: tape measure, DBH ruler, laser altimeter, ultrasonic altimeter, flower pole and compass", "ds_ref_instruction": " This data is generated by \"Heihe integrated remote sensing joint test\". When using the data, users should clearly state the source of the data in the text and quote the reference method provided by this metadata in the reference part." } }, "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": [ "森林生态系统", "生态系统", "植被", "生物量", "森林" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "黑河流域", "大野口流域加密观测区", "森林水文试验区" ], "ds_time_tags": [ 2007 ], "ds_contributors": [ { "true_name": "陈尔学", "email": "chenerx@caf.ac.cn", "work_for": "中国林业科学院资源信息研究所", "country": "中国" }, { "true_name": "杨永恬", "email": "forevert@sina.com", "work_for": "中国林业科学研究院", "country": "中国" }, { "true_name": "过志峰", "email": "zhifeng_guo@hotmail.com", "work_for": "中国科学院遥感应用研究所", "country": "中国" }, { "true_name": "王顺利", "email": "61749724@qq.com", "work_for": "甘肃省祁连山水源涵养林研究院", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "陈尔学", "email": "chenerx@caf.ac.cn", "work_for": "中国林业科学院资源信息研究所", "country": "中国" } ], "ds_managers": [ { "true_name": "陈尔学", "email": "chenerx@caf.ac.cn", "work_for": "中国林业科学院资源信息研究所", "country": "中国" } ], "category": "遥感及产品" }