大野口流域森林超级样地调查数据说明_CAF数据包括包括胸径，树高，枝下高，横坡方向冠幅宽，顺坡方向冠幅宽等。样地每木调查数据：子样地内树木编号（整形）Tree NO，子样地内观测树木铁牌编号（整形），DBH, 林木胸径（浮点），Height，林木高（浮点），First Branch Height, 林木枝下高(米)，Crown A, 林木冠幅宽-东西方向（浮点）。
", "ds_source": "超级样地大小为100米乘100米，详情见说明文档，蓝色箭头表示飞行航线，北偏东115度，超级样地靠北的一条边与LIDAR飞行航线平行。样地被划分成25米乘25米的子样地16块（红色正方形），共有网格点25个。
", "ds_process_way": "皮尺，胸径尺、激光测高仪，微波测高仪，花杆，罗盘仪，Z-MAX GPS、全站仪
\n\n", "ds_quality": "数据质量优
", "ds_acq_start_time": "2008-06-01 00:00:00", "ds_acq_end_time": "2008-06-10 00:00:00", "ds_acq_place": "黑河大野口流域关滩森林观测站", "ds_acq_lon_east": 100.28666666666666, "ds_acq_lat_south": 38.46666666666667, "ds_acq_lon_west": 100.30333333333333, "ds_acq_lat_north": 38.666666666666664, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 2206208, "ds_files_count": 3, "ds_format": "excel", "ds_space_res": null, "ds_time_res": "分、日、次", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "516a5c31-ae70-4cd8-a143-83d5afbd2dd4.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": "", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2021-07-28 15:13:52", "last_updated": "2023-08-23 16:47:04", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.Westdc.2020.692", "i18n": { "en": { "title": "Integrated remote sensing joint experiment of Heihe River: investigation data of forest super sample plots in Dayekou basin (2008)", "ds_format": "Excel", "ds_source": "The size of the super sample plot is 100 meters by 100 meters. See the description document for details. The blue arrow indicates the flight route, 115 degrees north by East. The north side of the super sample plot is parallel to the lidar flight route. The plot was divided into 16 sub plots (Red Square) of 25m × 25m, with a total of 25 grid points.
", "ds_quality": "Excellent data quality
", "ds_ref_way": "", "ds_abstract": "Explanation of forest super sample plot survey data in Dayekou watershed_ Caf data include DBH, tree height, height under branch, crown width in cross slope direction, crown width along slope direction, etc. Survey data of each tree in the sample plot: tree no, Tiepai no, DBH, DBH, height, first branch height, height under branch, crown a, crown width East-West (floating point).
", "ds_time_res": "分、日、次", "ds_acq_place": "Guantan forest observation station in Dayekou watershed of Heihe River", "ds_space_res": "", "ds_projection": "", "ds_process_way": "Tape, DBH, laser altimeter, microwave altimeter, flower pole, compass, z-max GPS, total station
\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, "recommendation_value": 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, "belong_to_nieer": false, "ds_topic_tags": [ "枝下高", "横坡方向冠幅宽", "胸径", "顺坡方向冠幅宽", "树高" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "大野口流域", "关滩森林观测站" ], "ds_time_tags": [ 2008 ], "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" } ], "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": "生态" }