本数据为雅鲁藏布江流域冰湖数据根据2005年ETM遥感影像，参考Spot及GeoEye-1等高分辨率影像采集而来，数据集为雅鲁藏布江10万流域边界、冰湖、河流数据空间及属性数据，包括以下文件：Brahmaputra_Boundary, Brahmaputra_Glacical_Lakes，Brahmaputra_Rivers。
\n\n比例尺为1:100000
\n\nNingxia_City_point(城市居民点)属性字段
\n\na.名称解释
\n\n字段1：Basin_Code(流域名称)\n数据类型：String（254）\n字段2：gl_coad（冰湖编码）\n数据类型：String（254）\n字段3：Longitude（冰湖经度）\n数据类型：String（254）\n字段4：longitude (冰湖纬度)\n数据类型：String（254）\n字段5：altitude（高程点）\n数据类型：Number（19）\n字段6：gl_area（冰湖面积）\n数据类型：Number（19）\n字段7：gl_Length(冰湖长度)\n数据类型：Number（19）\n字段8：gl_class（冰湖等级）\n数据类型：String（254）\n字段9：datasource (影像)\n数据类型：String（254）\n字段10：gl_orient (冰湖朝向)\n数据类型：String（254）\n字段11：dist2gr (冰湖到冰川的距离)\n数据类型：Number（19）\n字段12：Ds_date1 (影像时间)\n数据类型：Date（8）
\n\nb. 量纲（度量单位）
\n\ngl_Length(冰湖长度)：公里；gl_area（冰湖面积）：平方公里；dist2gr (冰湖到冰川的距离)：公里
\n\n冰湖属性中，冰川到冰湖的距离（dist2gr）有些是没有对应冰川的，值是0;冰湖朝向（gl_orient）有些湖是没有朝向的在，值是0
", "ds_source": "TM/EMT,Spot、GeoEye-1遥感影像，地形图等
", "ds_process_way": "利用GIS，ENVI等遥感软件，对所需影像进行精纠正然后经过数字化，严格按照10万比例尺所需提取、整理和修编空间数据和属性数据
", "ds_quality": "数据源遥感影像，地形图等，经过精校正
", "ds_acq_start_time": "2005-01-01 00:00:00", "ds_acq_end_time": "2005-12-31 00:00:00", "ds_acq_place": "雅鲁藏布江流域", "ds_acq_lon_east": 97.775, "ds_acq_lat_south": 23.94, "ds_acq_lon_west": 82.01944444444445, "ds_acq_lat_north": 31.279166666666665, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 0, "ds_files_count": 1, "ds_format": "shp", "ds_space_res": null, "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "37484044-a6c8-4708-8a40-79c59b4ff5d1.jpg", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "9c4867b1-5cb1-4de0-abeb-df42547bf41e", "ds_serv_man": "李红星", "ds_serv_phone": "0931-4967592", "ds_serv_mail": "lihongxing@lzb.ac.cn", "doi_value": "", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2020-04-22 16:59:11", "last_updated": "2025-04-27 16:08:34", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.Westdc.2020.731", "i18n": { "en": { "title": "1:100000 Glacial Lake Distribution Data Set of the Yarlung Zangbo River Basin (2005)", "ds_format": "shp", "ds_source": "TM/EMT, Spot, GeoEye-1 remote sensing images, topographic maps, etc
", "ds_quality": "Data source remote sensing images, topographic maps, etc., finely calibrated
", "ds_ref_way": "", "ds_abstract": "This data is collected from the the Yarlung Zangbo River basin ice lake data based on the ETM remote sensing image in 2005, referring to the high-resolution images such as Spot and GeoEye-1. The data set is the the Yarlung Zangbo River 100000 basin boundary, ice lake, river data space and attribute data, including the following files: Brahmaputra_ Boundary, Brahmaputra_ Glacial_ Lakes, Brahmaputra_ Rivers
\nScale 1:100000
\nNingxia_ City_ Point (urban settlement) attribute field
\na. Name Explanation
\nField 1: Basin_ Code (Basin Name)\nData type: String (254)\nField 2: gl_ COAD (Ice Lake Code)\nData type: String (254)\nField 3: Longitude\nData type: String (254)\nField 4: Longitude (Ice Lake Latitude)\nData type: String (254)\nField 5: altitude\nData type: Number (19)\nField 6: gl_ Area (Ice Lake Area)\nData type: Number (19)\nField 7: gl_ Length\nData type: Number (19)\nField 8: gl_ Class (Ice Lake Level)\nData type: String (254)\nField 9: datasource (image)\nData type: String (254)\nField 10: gl_ Orientation\nData type: String (254)\nField 11: dist2Gr (distance from glacial lake to glacier)\nData type: Number (19)\nField 12: Ds_ Date 1 (image time)\nData type: Date (8)
\nB Dimension (unit of measurement)
\nGl_ Length: kilometers; Gl_ Area (Ice Lake Area): square kilometers; Dist2Gr (distance from glacial lake to glacier): kilometers
\nIn the attributes of glacial lakes, the distance from glaciers to glacial lakes (dist2gr) may not correspond to glaciers, with a value of 0; Glacier lake orientation (gl_orient) Some lakes are not oriented, with a value of 0
", "ds_time_res": "", "ds_acq_place": "The Yarlung Zangbo River Basin", "ds_space_res": "", "ds_projection": "", "ds_process_way": "Utilize remote sensing software such as GIS and ENVI to accurately correct the required images and then digitize them. Strictly extract, organize, and edit spatial and attribute data according to the 100000 scale requirements
", "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": [ "冰湖分布", "基础地理", "冰湖" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "雅鲁藏布江流域", "西藏" ], "ds_time_tags": [ 2005 ], "ds_contributors": [ { "true_name": "吴立宗", "email": "wulizong@pric.org.cn", "work_for": "国家极地科学数据中心", "country": "中国" } ], "ds_meta_authors": [ { "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" } ], "ds_managers": [ { "true_name": "吴立宗", "email": "wulizong@pric.org.cn", "work_for": "国家极地科学数据中心", "country": "中国" } ], "category": "基础地理" }