2008年5月25日至7月11日之间在临泽草地加密观测区样方A（芦苇地）、样方B（盐碱地）、样方C（盐碱地）、样方D（苜蓿地）、样方E（大麦地）、水泥地临时样点利用向上和向下两个短波辐射表（上表编号：071392、下表编号：071389）连续测量了不同下垫面的向上和向下辐照度，从而计算获得地表反照率。该数据集为机载－星载遥感数据的反照率反演提供验证数据。2008年6月6日及之前为人工观测方式，探头架设高度1.3m-1.46m不等；之后均为自动观测，探头架设高度为1.20m或1.30m。\n
\n每次观测的时间、地点及地表类型如下：\n
\n2008年5月25日 样方E（大麦地）\n
\n2008年5月26日 样方D（苜蓿地）\n
\n2008年5月27日 样方D（苜蓿地）\n
\n2008年5月28日 样方E（孜然裸地）\n
\n2008年5月30日 样方E（孜然裸地）\n
\n2008年6月1日 样方A（芦苇地）\n
\n2008年6月2日 样方B（盐碱地）\n
\n2008年6月3日 样方A（芦苇地）\n
\n2008年6月4日 院内水泥地临时样点\n
\n2008年6月6日 样方E附近孜然裸地\n
\n2008年6月20日 样方A（芦苇地）\n
\n2008年6月22日 样方A（芦苇地）\n
\n2008年6月23日 样方D（苜蓿地）\n
\n2008年6月24日 样方E（大麦地）\n
\n2008年7月11日 样方E（大麦地）\n
\n自记观测数据文件包含以下信息：\n
\nTIMESTAMP：观测时间\n
\nSOLAR_UP_AVG：下行短波辐射（由向上辐射表测得）\n
\nSOLAR_DOWN_AVG：上行短波辐射（由向下辐射表测得）\n
\nSOLAR_NET_AVG：净辐射 = SOLAR_UP_AVG - SOLAR_DOWN_AVG\n
\nalbedo_Avg：反照率 = SOLAR_DOWN_AVG / SOLAR_UP_AVG\n
\nbatt_volt_Min：电瓶电压\n
\nptemp：CR1000面板温度。\n
\n本数据集包括不同日期不同样区下测量的反照率文件夹，每个文件夹下包括测量点照片文件夹和测量反照率数据Excel表格；表头说明txt文档和数据质量说明txt文档。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5月25日至7月11日之间在临泽草地加密观测区样方A（芦苇地）、样方B（盐碱地）、样方C（盐碱地）、样方D（苜蓿地）、样方E（大麦地）、水泥地临时样点利用向上和向下两个短波辐射表（上表编号：071392、下表编号：071389）连续测量了不同下垫面的向上和向下辐照度，从而计算获得地表反照率。
", "ds_process_way": "2008年6月6日及之前为人工观测方式，探头架设高度1.3m-1.46m不等；之后均为自动观测，探头架设高度为1.20m或1.30m。
\n\n每次观测的时间、地点及地表类型如下：
\n\n2008年5月25日 样方E（大麦地）
\n\n2008年5月26日 样方D（苜蓿地）
\n\n2008年5月27日 样方D（苜蓿地）
\n\n2008年5月28日 样方E（孜然裸地）
\n\n2008年5月30日 样方E（孜然裸地）
\n\n2008年6月1日 样方A（芦苇地）
\n\n2008年6月2日 样方B（盐碱地）
\n\n2008年6月3日 样方A（芦苇地）
\n\n2008年6月4日 院内水泥地临时样点
\n\n2008年6月6日 样方E附近孜然裸地
\n\n2008年6月20日 样方A（芦苇地）
\n\n2008年6月22日 样方A（芦苇地）
\n\n2008年6月23日 样方D（苜蓿地）
\n\n2008年6月24日 样方E（大麦地）
\n\n2008年7月11日 样方E（大麦地）
\n\n自记观测数据文件包含以下信息：
\n\nTIMESTAMP：观测时间
\n\nSOLAR_UP_AVG：下行短波辐射（由向上辐射表测得）
\n\nSOLAR_DOWN_AVG：上行短波辐射（由向下辐射表测得）
\n\nSOLAR_NET_AVG：净辐射 = SOLAR_UP_AVG - SOLAR_DOWN_AVG
\n\nalbedo_Avg：反照率 = SOLAR_DOWN_AVG / SOLAR_UP_AVG
\n\nbatt_volt_Min：电瓶电压
\n\nptemp：CR1000面板温度。
", "ds_quality": "数据质量良好
", "ds_acq_start_time": "2008-05-25 00:00:00", "ds_acq_end_time": "2008-07-11 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": 143962828, "ds_files_count": 2, "ds_format": "excel", "ds_space_res": null, "ds_time_res": "日", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "12c34147-e822-4d44-824d-e89be9f0e86d.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.db1880.2022", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2022-03-15 17:04:28", "last_updated": "2025-06-30 16:08:06", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.NIEER.2021.1726", "i18n": { "en": { "title": "Heihe River comprehensive remote sensing joint experiment: surface albedo observation data set in Linze grassland intensive observation area (may July 2008)", "ds_format": "excel", "ds_source": "From May 25 to July 11, 2008, two upward and downward short wave radiation meters (above table No.: 071392) were used at the temporary sample points of sample a (reed land), sample B (saline alkali land), sample C (saline alkali land), sample D (alfalfa land), sample e (barley land) and cement land in the intensive observation area of Linze grassland The following table (No.: 071389) continuously measured the upward and downward irradiance of different underlying surfaces to calculate the surface albedo.", "ds_quality": "
Good data quality
", "ds_ref_way": "", "ds_abstract": "From May 25 to July 11, 2008, two upward and downward short wave radiation meters (above table No.: 071392) were used at the temporary sample points of sample a (reed land), sample B (saline alkali land), sample C (saline alkali land), sample D (alfalfa land), sample e (barley land) and cement land in the intensive observation area of Linze grassland The following table (No.: 071389) continuously measured the upward and downward irradiance of different underlying surfaces to calculate the surface albedo. The data set provides validation data for albedo inversion of airborne spaceborne remote sensing data. On or before June 6, 2008, it was observed manually, and the probe erection height ranged from 1.3m to 1.46M; After that, it is automatic observation, and the probe erection height is 1.20m or 1.30M.\n
\nThe time, place and surface type of each observation are as follows:\n
\nSample e (barley field) on May 25, 2008\n
\nSample D (alfalfa field) on May 26, 2008\n
\nSample D (alfalfa field) on May 27, 2008\n
\nSample e (cumin bare land) on May 28, 2008\n
\nSample e (cumin bare land) on May 30, 2008\n
\nSample a (reed land) on June 1, 2008\n
\nSample B (saline alkali land) on June 2, 2008\n
\nSample a (reed land) on June 3, 2008\n
\nTemporary sample points of cement land in the hospital on June 4, 2008\n
\nCumin bare land near sample E on June 6, 2008\n
\nSample a (reed land) on June 20, 2008\n
\nSample a (reed land) on June 22, 2008\n
\nSample D (alfalfa field) on June 23, 2008\n
\nSample e (barley field) on June 24, 2008\n
\nSample e (barley field) on July 11, 2008\n
\nThe self recording observation data file contains the following information:\n
\nTimestamp: observation time\n
\nSOLAR_ UP_ AVG: downlink short wave radiation (measured by upward radiometer)\n
\nSOLAR_ DOWN_ AVG: uplink short wave radiation (measured by downward radiometer)\n
\nSOLAR_ NET_ AVG: net radiation = solar_ UP_ AVG - SOLAR_ DOWN_ AVG\n
\nalbedo_ AVG: albedo = solar_ DOWN_ AVG / SOLAR_ UP_ AVG\n
\nbatt_ volt_ Min: battery voltage\n
\nPTemp: CR1000 panel temperature.\n
\nThis data set includes albedo folders measured in different areas on different dates. Each folder includes photo folders of measurement points and excel tables of measured albedo data; Header description TXT document and data quality description TXT document.\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": "On or before June 6, 2008, it was observed manually, and the probe erection height ranged from 1.3m to 1.46M; After that, it is automatic observation, and the probe erection height is 1.20m or 1.30M
\nThe time, place and surface type of each observation are as follows:
\nSample e (barley field) on May 25, 2008
\nSample D (alfalfa field) on May 26, 2008
\nSample D (alfalfa field) on May 27, 2008
\nSample e (cumin bare land) on May 28, 2008
\nSample e (cumin bare land) on May 30, 2008
\nSample a (reed land) on June 1, 2008
\nSample B (saline alkali land) on June 2, 2008
\nSample a (reed land) on June 3, 2008
\nTemporary sample points of cement land in the hospital on June 4, 2008
\nCumin bare land near sample E on June 6, 2008
\nSample a (reed land) on June 20, 2008
\nSample a (reed land) on June 22, 2008
\nSample D (alfalfa field) on June 23, 2008
\nSample e (barley field) on June 24, 2008
\nSample e (barley field) on July 11, 2008
\nThe self recording observation data file contains the following information:
\nTimestamp: observation time
\nSOLAR_ UP_ AVG: downlink short wave radiation (measured by upward radiometer)
\nSOLAR_ DOWN_ AVG: uplink short wave radiation (measured by downward radiometer)
\nSOLAR_ NET_ AVG: net radiation = solar_ UP_ AVG - SOLAR_ DOWN_ AVG
\nalbedo_ AVG: albedo = solar_ DOWN_ AVG / SOLAR_ UP_ AVG
\nbatt_ volt_ Min: battery voltage
\nPTemp: CR1000 panel temperature", "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": [ "联合试验", "地表反照率", "综合遥感", "黑河流域", "地表辐射特性" ], "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": "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" }