该数据集主要内容为林地、灌木和草地样地调查数据。固定样地位于甘肃省水源涵养林研究院水文观测试验场所在的祁连山排露沟流域和大野口流域，样方信息如下：\n编号 海拔 样方大小 经度 纬度 地表类型\nG1 2715 20×20 100°17′12″ 38°33′29″ 青海云杉林\nG2 2800 20×36 100°17′07″ 38°33′27″ 苔藓云杉林\nG3 2840 20×20 100°17′37″ 38°33′05″ 苔藓云杉林\nG4 2952 20×20 100°17′59″ 38°32′47″ 青海云杉林\nG5 3015 20×20 100°18′06″ 38°32′42″ 青海云杉林\nG6 3100 20×20 100°18′13″ 38°32′31″ 灌丛青海云杉林\nG7 3300 23.5×20 灌丛青海云杉林\nG8 2800 20×20 100°13′30″ 38°33′29″ 苔藓云杉林\nB1 2700 12.8×25 苔藓云杉林\nB2 2800 20×20 100°17′38″ 38°32′59″ 苔藓云杉林\nB3 2900 20×20 100°17′59″ 38°32′51″ 草类云杉林\nB4 3028 20×20 100°17′59″ 38°32′39″ 苔藓云杉林\nB5 3097 20×20 100°18′02″ 38°32′32″ 苔藓云杉林\nB6 3195 20×20 100°18′06″ 38°32′25″ 青海云杉林\nB7 2762 20×20 100°17′08″ 38°33′21″ 青海云杉林\n\nB8 2730 20×20 100°17′06″ 38°33′27″ 苔藓云杉林\nGM1 3690 5×5 100°18′02″ 38°32′02″ 锦鸡儿灌丛（中）\nGM2 3690 5×5 100°18′02″ 38°32′02″ 锦鸡儿灌丛（稀）\nGM3 3700 5×5 100°18′03″ 38°32′03″ 锦鸡儿+吉拉柳灌丛（密）\nGM4 3600 5×5 100°18′10″ 38°32′06″ 锦鸡儿+吉拉柳灌丛（中）\nGM5 3600 5×5 100°18′10″ 38°32′06″ 锦鸡儿+吉拉柳灌丛（稀）\nGM6 3600 5×5 100°18′10″ 38°32′06″ 锦鸡儿+吉拉柳灌丛（密）\nGM7 3500 5×5 100°18′14″ 38°32′08″ 锦鸡儿+吉拉柳灌丛（中）\nGM8 3500 5×5 100°18′14″ 38°32′08″ 锦鸡儿+吉拉柳灌丛（密）\nGM9 3500 5×5 100°18′14″ 38°32′08″ 锦鸡儿+吉拉柳灌丛（稀）\nGM10 3400 5×5 100°18′18″ 38°32′12″ 锦鸡儿灌丛（稀）\nGM11 3400 5×5 100°18′18″ 38°32′12″ 锦鸡儿+金露梅灌丛（密）\nGM12 3400 5×5 100°18′18″ 38°32′12″ 锦鸡儿灌丛（稀）\nGM13 3300 5×5 100°18′21″ 38°32′21″ 吉拉柳灌丛\nGM14 3300 5×5 100°18′21″ 38°32′21″ 锦鸡儿+吉拉柳灌丛\nGM15 3300 5×5 100°18′21″ 38°32′21″ 锦鸡儿+吉拉柳灌丛\nYC3 2700 1×1 100°17′14″ 38°33′33″ 针茅草地\nYC4 2750 1×1 100°17′18″ 38°33′32″ 针茅草地\nYC5 2800 1×1 100°17′21″ 38°33′33″ 针茅草地\nYC6 2850 1×1 100°17′25″ 38°33′33″ 针茅草地\nYC7 2900 1×1 100°17′31″ 38°33′32″ 紫菀+针茅草地\nYC8 2950 1×1 100°17′44″ 38°33′23″ 针茅草地\nYC9 2980 1×1 100°17′48″ 38°33′25″ 针茅草地\n样地测树数据是于2007年7月-8月调查。调查内容包括：\n1. 排露沟流域样地调查基本概况：\na） 样地设置情况：样地号，海拔，坡向，坡位，坡度，土层厚度，样地大小，经纬度，群落类型，土壤类型，经营状况，年龄\nb） 样地每木调查：样地号，树号，树种，林木分级，胸径，树高，枝下高，树冠半径\n2. 土壤剖面调查记录表\n包括森林/植被情况，主要树种，林龄，土壤名称，地表土壤侵蚀情况，母岩及母质，排水条件，土地利用历史，土壤剖面记载（土层，湿度，颜色，质地，结构，根系，石砾含量）\n3. 标准地封面因子\n标准地面积，优势树种，林分/植被起源，海拔，坡向，坡位，坡度，采伐利用方式，造林整地类型，调查方法，冠层盖度，活地被物层覆盖度，死地被物层覆盖度，枯落物厚度（未分阶层，半分解层，已分解层）\n4. 郁闭度调查：利用鱼眼相机测量\n5. 草本样方（1m×1m）调查记录表\n包括种名，数量，盖度，平均高\n6. 祁连山水源林土壤物理性质测定结果（样地调查）\n包含土层物理性质测算过程（铝盒+湿土重，铝盒重，土壤含水量，突然容重等），灌草生物量测定（灌木和草本的总鲜重，样品鲜重，样品干重等），枯落物（含苔藓）层干重及最大持水量测算过程（苔藓及枯落物厚，总鲜重，样品鲜重，样品干重，浸泡24h后重，最大持水量，最大持水深，最大持水率，最大持水量）\n7. 灌木样方调查：\n包括种名，数量，盖度，平均高\n8. 标准样地设置及每木检尺调查表\n包括树种，林木分级，年龄，胸径，数高，枝下高，树冠半径\n9. 枯落物层调查记录表\n包括枯落物（分解层、半分解层 、已分解层）厚度\n10. 更新调查记录：\n包括树种，天然更新（高<30cm，高31-50cm，高>51cm），人工更新（高<30cm，高31-50cm，高>51cm）\n11. TRAC测量叶面积\n
", "ds_source": "固定样地位于甘肃省水源涵养林研究院水文观测试验场所在的祁连山排露沟流域和大野口流域。
", "ds_process_way": "可为森林结构参数遥感反演方法研究提供地面实测数据
", "ds_quality": "数据质量良好
", "ds_acq_start_time": "2007-08-10 00:00:00", "ds_acq_end_time": "2007-09-05 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,排露沟流域加密观测区", "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": 1129367, "ds_files_count": 2, "ds_format": "excel", "ds_space_res": null, "ds_time_res": "日", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "081f1154-c176-4494-b184-49136f6cd06b.png", "ds_thumb_from": 2, "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": null, "quality_level": 3, "publish_time": "2021-08-17 11:33:02", "last_updated": "2023-08-23 16:47:50", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.NIEER.2021.1850", "i18n": { "en": { "title": "Heihe River comprehensive remote sensing joint experiment: fixed sample plot tree survey data set in dense observation area of Pailugou basin and Dayekou basin (2007)", "ds_format": "", "ds_source": "The fixed sample plots are located in Pailugou and Dayekou basins of Qilian mountain where the hydrological observation experimental site of Gansu Water Conservation Forest Research Institute is located.
", "ds_quality": "Good data quality
", "ds_ref_way": "", "ds_abstract": "", "ds_time_res": "日", "ds_acq_place": "Heihe River Basin, Dayekou River Basin intensive observation area, forest hydrology test area and Pailugou River Basin intensive observation area", "ds_space_res": "", "ds_projection": "", "ds_process_way": "It can provide ground measured data for remote sensing inversion of forest structure parameters
", "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": "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": [ "土壤", "叶面积指数", "植被", "生物量", "土壤剖面", "森林结构", "土壤持水能力" ], "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": "马明国", "email": "mmg@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": "白云洁", "email": "baiyj27@163.com", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" }, { "true_name": "王旭峰", "email": "wangxufeng@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": "谭俊磊", "email": "tanjunlei@163.com", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" }, { "true_name": "王树果", "email": "sgwang@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": "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" }, { "true_name": "王荣新", "email": "zywangrx@163.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": "马明国", "email": "mmg@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": "马明国", "email": "mmg@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": "生态" }