本数据集包括临泽草地、盈科绿洲、花寨子荒漠、大野口流域和张掖市几个加密观测区的地类实际调查数据，供包括两组数据。\n
\n（1）2008年5月27日知5月31日在临泽草地、盈科绿洲、花寨子荒漠、大野口流域和张掖市几个加密观测区的地表覆盖类型进行了调查。根据遥感影像在各个试验区中随机选择目视判读不确定类别的地块或感兴趣的地块进行实地调查。对这些地块做GPS定位、拍摄照片、描述属性。\n
\n（2）2008-7-7，2008-7-8，2008-7-10，2008-7-11，2008-7-12，2008-7-13，2008-7-14，2008-7-15调查盈科绿洲、花寨子荒漠、扁都口加密观测区的地类，做地类详细填图，以及GPS踩点，并完成地类补查。 \n
\n调查填图结果以shapefile数据格式、数据记录表格及JPGE影像格式按编号存储。
", "ds_source": "2008年5月27日知5月31日在临泽草地、盈科绿洲、花寨子荒漠、大野口流域和张掖市几个加密观测区的地表覆盖类型进行了调查。
", "ds_process_way": "根据遥感影像在各个试验区中随机选择目视判读不确定类别的地块或感兴趣的地块进行实地调查。对这些地块做GPS定位、拍摄照片、描述属性。
\n\n2008-7-7，2008-7-8，2008-7-10，2008-7-11，2008-7-12，2008-7-13，2008-7-14，2008-7-15调查盈科绿洲、花寨子荒漠、扁都口加密观测区的地类，做地类详细填图，以及GPS踩点，并完成地类补查。
", "ds_quality": "数据质量良好
", "ds_acq_start_time": "2008-07-07 00:00:00", "ds_acq_end_time": "2008-07-15 00:00:00", "ds_acq_place": "黑河流域,花寨子荒漠加密观测区,,大野口流域加密观测区,中游干旱区水文试验区,盈科绿洲加密观测区,临泽草地加密观测区,扁都口加密观测区", "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": 725399354, "ds_files_count": 2, "ds_format": "excel,jpg,shp", "ds_space_res": null, "ds_time_res": "日", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "d8bae87e-fff2-4a9a-8152-f4f213b02f4a.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.db1781.2022", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2022-03-14 15:02:16", "last_updated": "2023-08-18 15:39:12", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.NIEER.2021.1952", "i18n": { "en": { "title": "Integrated remote sensing joint experiment of Heihe River: data set of land use and land cover survey in arid and forest hydrological experimental areas in middle reaches", "ds_format": "excel,jpg,shp", "ds_source": "From May 27 to May 31, 2008, the surface cover types of several intensive observation areas in Linze grassland, Yingke oasis, huazhaizi desert, Dayekou watershed and Zhangye City were investigated.", "ds_quality": "
Good data quality
", "ds_ref_way": "", "ds_abstract": "This data set includes the actual survey data of land types in Linze grassland, Yingke oasis, huazhaizi desert, Dayekou watershed and Zhangye City.\n
\n（1) From May 27 to May 31, 2008, the surface cover types of several intensive observation areas in Linze grassland, Yingke oasis, huazhaizi desert, Dayekou watershed and Zhangye City were investigated. According to remote sensing images, plots with uncertain visual interpretation or plots of interest are randomly selected in each experimental area for field investigation. GPS positioning, taking photos and describing properties of these plots.\n
\n（2) On July 7, 2008, 2008-7-82008-7-102008-7-112008-7-122008-7-132008-7-142008-7-15, investigate the land types of Yingke oasis, huazhaizi desert and biandukou intensive observation area, make detailed land type mapping and GPS inspection points, and complete land type supplementary investigation.\n
\nThe survey and mapping results are stored by number in ShapeFile data format, data record form and JPGE image format.
", "ds_time_res": "日", "ds_acq_place": "Heihe River Basin, intensive observation area of huazhaizi desert, intensive observation area of Dayekou basin, hydrological test area of arid area in the middle reaches, intensive observation area of Yingke oasis, intensive observation area of Linze grassland and intensive observation area of biandukou", "ds_space_res": "", "ds_projection": "", "ds_process_way": "According to remote sensing images, plots with uncertain visual interpretation or plots of interest are randomly selected in each experimental area for field investigation. GPS positioning, taking photos and describing properties of these plots\n
On July 7, 2008, 2008-7-82008-7-102008-7-112008-7-122008-7-132008-7-142008-7-15, investigate the land types of Yingke oasis, huazhaizi desert and biandukou intensive observation area, make detailed land type mapping and GPS inspection points, and complete land type supplementary investigation.", "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, "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": [ "土地覆被", "土地利用", "土地资源" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "临泽草地加密观测区", "花寨子荒漠加密观测区", "黑河流域", "大野口流域加密观测区", "盈科绿洲加密观测区", "扁都口加密观测区", "中游干旱区水文试验区" ], "ds_time_tags": [ 2008 ], "ds_contributors": [ { "true_name": "任华忠", "email": "renhuazhong@pku.edu.cn", "work_for": "北京大学遥感与地理信息系统研究所", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "任华忠", "email": "renhuazhong@pku.edu.cn", "work_for": "北京大学遥感与地理信息系统研究所", "country": "中国" } ], "ds_managers": [ { "true_name": "任华忠", "email": "renhuazhong@pku.edu.cn", "work_for": "北京大学遥感与地理信息系统研究所", "country": "中国" } ], "category": "遥感及产品" }