2008年6月6日至6月29日，在临泽草地加密观测区样方A（芦苇地）、样方B（盐碱地）、样方D（苜蓿地）、样方E（大麦地），使用手持光量子计测量了芦苇、盐碱禾草、苜蓿、孜然、大麦等地物的冠顶入射辐射、冠顶反射辐射、地表入射辐射以及地表反射辐射；并得到不同地表类型的PAR和Fpar日内连续变化，为航空和卫星的地表Fpar反演算法的发展和验证提供数据。\n
\n每次观测的时间、地点及地表类型如下：\n
\n2008年6月6日 样方E（大麦地） 样方E附近孜然地；2008年6月11日 样方D（苜蓿地） 样方E（大麦地）；2008年6月15日 样方D（苜蓿地） 样方E（大麦地）；2008年6月16日 样方E（大麦地）\n
\n2008年6月20日 样方A（芦苇地）\n
\n2008年6月22日 样方B（盐碱地）\n
\n2008年6月23日 样方D（苜蓿地）样方E（大麦地）2008年6月24日 样方B（盐碱地）\n
\n2008年6月29日 样方A（芦苇地） 样方E（大麦地）\n
\n本数据集包括14个光量子计测量数据Excel表格，一原始数据说明Word文档和一数据问题记录txt文档。\n
\n样方样带的分布信息请参见元数据“黑河综合遥感联合试验：临泽草地加密观测区样方样带布置”。", "ds_source": "
2008年6月6日至6月29日，在临泽草地加密观测区样方A（芦苇地）、样方B（盐碱地）、样方D（苜蓿地）、样方E（大麦地）。", "ds_process_way": "
2008年6月6日至6月29日，在临泽草地加密观测区样方A（芦苇地）、样方B（盐碱地）、样方D（苜蓿地）、样方E（大麦地），使用手持光量子计测量了芦苇、盐碱禾草、苜蓿、孜然、大麦等地物的冠顶入射辐射、冠顶反射辐射、地表入射辐射以及地表反射辐射；并得到不同地表类型的PAR和Fpar日内连续变化，为航空和卫星的地表Fpar反演算法的发展和验证提供数据。", "ds_quality": "
\n数据质量良好
", "ds_acq_start_time": "2008-06-06 00:00:00", "ds_acq_end_time": "2008-06-29 00:00:00", "ds_acq_place": "黑河流域,中游干旱区水文试验区,临泽草地加密观测区", "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": 1280894, "ds_files_count": 30, "ds_format": "excel", "ds_space_res": null, "ds_time_res": "日", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "e03a9369-df6c-43a5-931e-1a2171ca296e.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.db1808.2022", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2022-03-14 17:17:17", "last_updated": "2025-06-30 16:07:33", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.NIEER.2021.1820", "i18n": { "en": { "title": "Heihe River comprehensive remote sensing joint experiment: observation data set of daily variation of photosynthesis effective radiation ratio (FPAR) in Linze grassland intensive observation area (2008)", "ds_format": "excel", "ds_source": "From June 6 to June 29, 2008, in the intensive observation area of Linze grassland, quadrat a (reed land), quadrat B (saline alkali land), quadrat D (alfalfa land) and quadrat e (barley land).", "ds_quality": "
\nGood data quality
", "ds_ref_way": "", "ds_abstract": "From June 6 to June 29, 2008, in the intensive observation area of Linze grassland, the crown top incident radiation, crown top reflected radiation, surface incident radiation and surface reflected radiation of reed, saline grass, alfalfa, cumin and barley were measured by hand-held optical quantum meter in quadrat a (reed land), quadrat B (saline alkali land), quadrat D (alfalfa land) and quadrat e e e e e e e (barley land); The daily continuous changes of PAR and FPAR of different surface types are obtained, which provides data for the development and verification of surface FPAR inversion algorithms of aviation and satellite.\n
\nThe time, place and surface type of each observation are as follows:\n
\nCumin land near sample e (barley land) on June 6, 2008; On June 11, 2008, quadrat D (alfalfa field) and quadrat e (barley field); On June 15, 2008, quadrat D (alfalfa field) and quadrat e (barley field); Sample e (barley field) on June 16, 2008\n
\nSample a (reed land) on June 20, 2008\n
\nSample B (saline alkali land) on June 22, 2008\n
\nJune 23, 2008 sample D (alfalfa land) sample e (barley land) June 24, 2008 sample B (saline alkali land)\n
\nJune 29, 2008 sample a (reed land) sample e (barley land)\n
\nThis data set includes 14 optical quantum meter measurement data excel tables, a word document of original data description and a TXT document of data problem record.\n
\nSee metadata \"Heihe integrated remote sensing joint experiment: layout of quadrat transects in Linze grassland densified observation area\" for the distribution information of quadrat transects.
", "ds_time_res": "日", "ds_acq_place": "Heihe River Basin, arid area in the middle reaches, hydrological experimental area, Linze grassland intensive observation area", "ds_space_res": "", "ds_projection": "", "ds_process_way": "From June 6 to June 29, 2008, in the intensive observation area of Linze grassland, the crown top incident radiation, crown top reflected radiation, surface incident radiation and surface reflected radiation of reed, saline grass, alfalfa, cumin and barley were measured by hand-held optical quantum meter in quadrat a (reed land), quadrat B (saline alkali land), quadrat D (alfalfa land) and quadrat e e e e e e e (barley land); The daily continuous changes of PAR and FPAR of different surface types are obtained, which provides data for the development and verification of surface FPAR inversion algorithms of aviation and satellite.", "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, "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": [ "光合作用", "比辐射率", "大气辐射", "植被", "冠顶反射辐射", "光量子计", "PAR", "FPAR", "地表入射辐射", "地表反射辐射", "冠顶入射辐射" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "黑河流域", "中游干旱区水文试验区", "临泽草地加密观测区" ], "ds_time_tags": [ 2008 ], "ds_contributors": [ { "true_name": "胡晓利", "email": "huxiaoli@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "" }, { "true_name": "盖春梅", "email": "Gechm@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": "黄春林", "email": "huangcl@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": "梁继", "email": "leung@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": "年雁云", "email": "yynian@lzu.edu.cn", "work_for": "兰州大学", "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" } ], "ds_meta_authors": [ { "true_name": "胡晓利", "email": "huxiaoli@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": "胡晓利", "email": "huxiaoli@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" }