同步积雪参数观测，可以为机载－星载遥感数据的雪温度反演和验证提供基本的数据集。\n
\n观测内容包括：\n
\n1）积雪参数观测，观测时间为卫星过境时时刻北京时间（BJT）2008年3月19日（12:40-13:00）。该观测在BG-B样地展开，分为4个观测小组，每组测量16个点，共计64个观测点。观测变量包括：雪深（尺子测量，每个点随机观测5个雪深数据）；雪表面温度（手持式红外温度计测量，随机多次观测）；分层雪深温度（针式温度计测量，按照10cm分层观测，每个测量点重复观测2次）；雪粒径（手持式显微镜测量，按照10cm分层观测，每个测量点重复观测3次）。\n
\n2）雪特性分析仪观测，观测变量包括有雪密度、雪复介电常数、雪体积含水量、雪重量含水量等。该测量在BG-A样地展开，一个自动观测点，配合光谱仪观测。\n
\n3）积雪光谱观测（ASD光谱仪），观测点位置见GPS记录文件。\n
\n4）积雪反照率观测（便携式反照率表测量），在BG-A样地进行。\n
\n本数据集包括原始数据和预处理数据2个文件夹。", "ds_source": "
2008年3月19日在冰沟流域加密观测试验区开展的MODIS地面同步积雪参数观测，可以为机载－星载遥感数据的雪温度反演和验证提供基本的数据集。", "ds_process_way": "
观测内容包括：\n
\n1）积雪参数观测，观测时间为卫星过境时时刻北京时间（BJT）2008年3月19日（12:40-13:00）。该观测在BG-B样地展开，分为4个观测小组，每组测量16个点，共计64个观测点。观测变量包括：雪深（尺子测量，每个点随机观测5个雪深数据）；雪表面温度（手持式红外温度计测量，随机多次观测）；分层雪深温度（针式温度计测量，按照10cm分层观测，每个测量点重复观测2次）；雪粒径（手持式显微镜测量，按照10cm分层观测，每个测量点重复观测3次）。\n
\n2）雪特性分析仪观测，观测变量包括有雪密度、雪复介电常数、雪体积含水量、雪重量含水量等。该测量在BG-A样地展开，一个自动观测点，配合光谱仪观测。\n
\n3）积雪光谱观测（ASD光谱仪），观测点位置见GPS记录文件。\n
\n4）积雪反照率观测（便携式反照率表测量），在BG-A样地进行。", "ds_quality": "
数据质量良好", "ds_acq_start_time": "2008-03-19 00:00:00", "ds_acq_end_time": "2008-03-20 00:00:00", "ds_acq_place": "黑河流域", "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": "apply-access", "ds_total_size": 240176595, "ds_files_count": 2, "ds_format": "excel,txt", "ds_space_res": null, "ds_time_res": "时", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "ab2c1d40-1203-40fa-8cd2-61dfc0e17079.png", "ds_thumb_from": 0, "ds_ref_way": "郝晓华, 白云洁, 盖春梅, 梁继, 马明国, 舒乐乐, 王旭峰，黑河综合遥感联合试验：冰沟流域加密观测区MODIS地面同步观测数据集（2008年3月19日），国家冰川冻土沙漠科学数据中心(www.ncdc.ac.cn)，2019，doi：10.12072/ncdc.NIEER.db1846.2022", "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.db1846.2022", "subject_codes": null, "quality_level": 3, "publish_time": "2022-03-15 15:09:43", "last_updated": "2022-03-15 15:09:43", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.NIEER.2021.1828", "i18n": { "en": { "title": "Heihe River Integrated Remote Sensing joint experiment: MODIS ground synchronous observation data set in intensive observation area of Binggou basin (March 19, 2008)", "ds_format": "", "ds_source": "
The MODIS ground synchronous snow parameter observation carried out in the intensive observation experimental area of Binggou basin on March 19, 2008 can provide a basic data set for snow temperature inversion and verification of airborne satellite remote sensing data.", "ds_quality": "
Good data quality", "ds_ref_way": "", "ds_abstract": "
Synchronous snow parameter observation can provide a basic data set for snow temperature inversion and verification of airborne satellite remote sensing data.\n
\nObservation contents include:\n
\n1) Snow parameters were observed at the time of satellite transit, Beijing time (BJT) on March 19, 2008 (12:40-13:00). The observation is carried out in bg-b sample plot, which is divided into 4 observation groups, with 16 points in each group, a total of 64 observation points. Observation variables include: snow depth (ruler measurement, 5 snow depth data are randomly observed at each point); Snow surface temperature (measured by hand-held infrared thermometer and observed at random for many times); Layered snow depth temperature (measured by needle thermometer, observed in layers according to 10cm, and observed twice at each measuring point); Snow particle size (measured by hand-held microscope, observed in layers of 10cm, and repeated observation for 3 times at each measuring point).\n
\n2) The observed variables include snow density, snow complex dielectric constant, snow volume water content, snow weight water content, etc. The measurement is carried out in bg-a sample plot, with an automatic observation point to cooperate with spectrometer observation.\n
\n3) Snow spectral observation (ASD spectrometer), see GPS record file for the location of observation points.\n
\n4) Snow albedo observation (measured by portable albedo meter) was carried out in bg-a sample plot.\n
\nThis data set includes two folders: original data and preprocessed data.
", "ds_time_res": "时", "ds_acq_place": "", "ds_space_res": "", "ds_projection": "", "ds_process_way": "Observation contents include:\n
\n1) Snow parameters were observed at the time of satellite transit, Beijing time (BJT) on March 19, 2008 (12:40-13:00). The observation is carried out in bg-b sample plot, which is divided into 4 observation groups, with 16 points in each group, a total of 64 observation points. Observation variables include: snow depth (ruler measurement, 5 snow depth data are randomly observed at each point); Snow surface temperature (measured by hand-held infrared thermometer and observed at random for many times); Layered snow depth temperature (measured by needle thermometer, observed in layers according to 10cm, and observed twice at each measuring point); Snow particle size (measured by hand-held microscope, observed in layers of 10cm, and repeated observation for 3 times at each measuring point).\n
\n2) The observed variables include snow density, snow complex dielectric constant, snow volume water content, snow weight water content, etc. The measurement is carried out in bg-a sample plot, with an automatic observation point to cooperate with spectrometer observation.\n
\n3) Snow spectral observation (ASD spectrometer), see GPS record file for the location of observation points.\n
\n4) Snow albedo observation (measured by portable albedo meter) was carried out in bg-a sample plot.", "ds_ref_instruction": " " } }, "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": [ "雪反照率", "雪复介电常数", "雪层温度", "雪表面温度", "雪体积含水量", "地面同步观测", "雪深", "雪密度", "MODIS", "雪光谱", "雪粒径", "雪重量含水量" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "冰沟流域加密观测区", "黑河流域", "上游寒区水文试验区" ], "ds_time_tags": [ 2008 ], "ds_contributors": [ { "true_name": "郝晓华", "email": "haoxh@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": "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": "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": "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": "舒乐乐", "email": "lele.shu@gmail.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" } ], "ds_meta_authors": [ { "true_name": "郝晓华", "email": "haoxh@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": "郝晓华", "email": "haoxh@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": "遥感及产品" }