该数据是对青藏公路沿线多年冻土图（1：60万）（童伯良 等，1983）的数字化，青藏公路沿线多年冻土图是1981年由中国科学院寒区旱区环境与工程研究所（原中国科学院兰州冰川冻土研究所）童伯良、李数德、卜觉英、邱国庆等编制的，其目的在于反映公路沿线多年冻土层分布的基本规律及其与主要自然环境因素的生成关系总貌。
\n\n编制该图的基础资料包括有：青藏公路沿线1：200000水文地质和工程地质调查和图件（青海省第一水文地质工程地质大队、地质科学院地质力学所）；中国科学院冰川冰土研究所自1960年以来在青藏公路沿线的西大滩、昆仑山垭口盆地、清水河、风火山、沱沱河、桑马盆地、布曲河、土门格拉、两道河等九个地点的冻土研究成果；格尔木—拉萨输油管线的钻探资料以及工作区的航测地形资料。以1：200000万地形图当工作底图，编绘成多年冻土图，再缩编成1：600000的成图，以保证图的精确性。为了弥补沿线更大范围内资料的不足，把公路沿线九个冻土研究点上探明的冻土特征规律应用于地质地理条件类同的地段，同时利用航片补充编图区的冻融地质作用和冻土特征。
\n\n青藏公路沿线多年冻土图（1：60万）包括青藏公路沿线年平均气温等值线图（1：720万）和青藏公路沿线多年冻土图（1：60万），其中青藏公路沿线多年冻土图中又包含多年冻土类型、岩性、冻土现象、贯通融区类型、冻土工程分类、地质构造断裂等信息。本数据仅对多年冻土信息进行了数字化，其空间范围北起青藏公路的大西滩，南至桑雄，长达近800公里，宽约40-50公里。
\n\n本数据集包括：矢量化的青藏公路沿线多年冻土图和《青藏公路沿线多年冻土图》扫描图，其中青藏公路沿线多年冻土图的属性信息如下：
\n\nA-1;Continuous permafrost;大片多年冻土区;>0°C;残留多年冻土层、隔年层
\n\nA-2;Continuous permafrost;大片多年冻土区;0~-0.5°C;0-25m
\n\nA-3;Continuous permafrost;大片多年冻土区;-0.5~-1.5°C;25-60m
\n\nA-4;Continuous permafrost;大片多年冻土区;-1.5~-3.5°C;60-120m
\n\nA-5;Continuous permafrost;大片多年冻土区;<-3.5°C;>120m
\n\nB-1;Isoland permafrost ground;岛状多年冻土;季节冻土(Seasonal Frozen Ground);
\n\nB-2;Continuous permafrost;大片多年冻土区;>0°C;残留多年冻土层、隔年层
\n\nB-3;Island permafrost extent;岛状多年冻土区;0~-0.5°C;0-25m
\n\nB-4;Island permafrost extent;岛状多年冻土区;-0.5~-1.5°C;25-60m
\n\nB-5;Island permafrost extent;岛状多年冻土区;-1.5~-3.5°C;60-120m
", "ds_source": "编制该图的基础资料包括有：青藏公路沿线1：200000水文地质和工程地质调查和图件（青海省第一水文地质工程地质大队、地质科学院地质力学所）；中国科学院冰川冰土研究所自1960年以来在青藏公路沿线的西大滩、昆仑山垭口盆地、清水河、风火山、沱沱河、桑马盆地、布曲河、土门格拉、两道河等九个地点的冻土研究成果；格尔木—拉萨输油管线的钻探资料以及工作区的航测地形资料。以1：200000万地形图当工作底图，编绘成多年冻土图，再缩编成1：600000的成图，以保证图的精确性。为了弥补沿线更大范围内资料的不足，把公路沿线九个冻土研究点上探明的冻土特征规律应用于地质地理条件类同的地段，同时利用航片补充编图区的冻融地质作用和冻土特征。
", "ds_process_way": "数字矢量化
", "ds_quality": "数据集通过严格的人工审核控制质量
", "ds_acq_start_time": "1981-01-01 00:00:00", "ds_acq_end_time": null, "ds_acq_place": "青藏高原，青藏铁路", "ds_acq_lon_east": 94.9, "ds_acq_lat_south": 30.75, "ds_acq_lon_west": 91.0, "ds_acq_lat_north": 36.0, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 3207449, "ds_files_count": 4, "ds_format": "矢量", "ds_space_res": "6000.0m", "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "Transverse_Mercator", "ds_thumbnail": "645a0ef8-0586-46f1-bb3e-591efdac6f5f.png", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "None", "ds_from_station": null, "organization_id": "9c4867b1-5cb1-4de0-abeb-df42547bf41e", "ds_serv_man": "国家冰川冻土沙漠科学数据中心", "ds_serv_phone": "0931-4967592", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2021-01-07 09:34:24", "last_updated": "2023-08-23 16:46:57", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.Westdc.2020.304", "i18n": { "en": { "title": "1:600 000 Permafrost Map along the Qinghai-Tibet Highway", "ds_format": "Vector", "ds_source": "The basic data for the preparation of the map include: 1:200000 hydrogeological and engineering geological survey and map along the Qinghai Tibet highway (the first hydrogeological and engineering geological team of Qinghai Province, Institute of geomechanics, Academy of Geosciences); Institute of glacial and glacial soil, Chinese Academy of Sciences, since 1960, in Xidatan, kunlunshanyakou basin, Qingshuihe, Fenghuoshan, Tuotuohe and sanglun along the Qinghai Tibet highway The research results of permafrost in nine places including Ma basin, Buqu River, tumengra and Liangdao River, the drilling data of Golmud Lhasa oil pipeline and the aerial topographic data of the working area. With 1:20000000 topographic map as working base map, the permafrost map is compiled, and then reduced to 1:600000 to ensure the accuracy of the map. In order to make up for the lack of data in a wider range along the road, the characteristics of frozen soil on nine frozen soil research points along the road are applied to the sections with similar geological and geographical conditions, and the geological process of freezing and thawing and the characteristics of frozen soil in the mapping area are supplemented by aerial photos.
", "ds_quality": "Data set quality control through strict manual audit
", "ds_ref_way": "", "ds_abstract": "The data are a digitized permafrost map along the Qinghai-Tibet Highway (1:600,000) (Boliang Tong, et al. 1983), which was compiled by Boliang Tong, shude Li, Jueying bu, and Guoqing Qiu from the Cold and Arid Regions Environmental and Engineering Research Institute of the Chinese Academy of Sciences (originally called the Lanzhou Institute of Glaciology and Cryopedology, Chinese Academy of Sciences) in 1981. The map aims to reflect the basic laws of permafrost distribution along the highway and its relationship with the main natural environmental factors.
\nThe basic data for the compilation of the map include hydrogeological and engineering geological survey results and maps along the Qinghai-Tibet Highway(1:200000) (First Hydrogeological Engineering Geological Brigade of Qinghai Province, Institute of Geomechanics of the Academy of Geological Science), the cryopedological research results of the Institute of Glaciology and Cryopedology of Chinese Academy of Sciences since 1960 in nine locations along the Qinghai-Tibet Highway (West Datan, Kunlun pass basin, Qingshuihe, Fenghuohe, Tuotuohe, the Sangma Basin, Buquhe, Tumengela, and Liangdaohe) and drilling data of the Golmud-Lhasa oil pipeline and aerial topographic data of the work area. Taking the 1:200000 topographic map as the working base map, a permafrost map was compiled, which was then downscaled to a 1:600000 map to ensure the accuracy of the map. To make up for the lack of data in a larger area along the line, the characteristics and principles of the frozen soils found in the nine frozen soil research points along the highway were applied to areas with the same geologic and geographical conditions; meanwhile, aerial photographs were used as supplements to the freeze-thaw geology and frozen soil characteristics.
\nThe permafrost map along the Qinghai-Tibet Highway (1:600,000) includes the annual average temperature contour map along the Qinghai-Tibet Highway (1:7,200,000) and the permafrost map along the Qinghai-Tibet Highway (1:600,000). The permafrost map along the Qinghai-Tibet Highway also contains information on permafrost types, lithology, frozen soil phenomena, types of through-melting zones, classification of frozen soil engineering, and geological structural fractures. These data contain only digitized permafrost information. The spatial coverage is from Daxitan on the Qinghai-Tibet Highway in the north to Sangxiong in the south and is nearly 800 kilometers long and 40-50 kilometers wide.
\nThe data set includes a vectorized and a scanned map of the permafrost map along the Qinghai-Tibet Highway. The attribute information of the map is as follows.
\nA-1; Continuous permafrost; >0°C; remained as a frozen soil layer and isolation layer
\nA-2; Continuous permafrost; 0~-0.5°C; 0-25 m
\nA-3; Continuous permafrost; -0.5~-1.5°C; 25-60 m
\nA-4; Continuous permafrost; -1.5~-3.5°C; 60-120 m
\nA-5;Continuous permafrost;<-3.5°C;>120 m
\nB-1; Island permafrost ground; Seasonal Frozen Ground;
\nB-2; Continuous permafrost; >0°C; remained as a frozen soil layer and isolation layer
\nB-3; Island permafrost extent; 0~-0.5°C; 0-25 m
\nB-4; Island permafrost extent; -0.5~-1.5°C; 25-60 m
\nB-5; Island permafrost extent; -1.5~-3.5°C; 60-120 m
", "ds_time_res": "", "ds_acq_place": "Qinghai–Tibet railway", "ds_space_res": "6000.0m", "ds_projection": "Transverse_Mercator", "ds_process_way": "Digital Vectorization
", "ds_ref_instruction": "In order to respect intellectual property rights, protect the rights and interests of data authors, expand the services of data centers, and evaluate the application potential of data, data users are invited to use the data.Students' research results (including published papers, treatises, data products and unpublished research reports, data products, etc.) shall be clearly indicated with data source and data author. For data reprinted (secondary or multiple releases), the author must also indicate the source of the original data. The results published in Chinese refer to the following specifications\r\n: the data comes from the achievements published by \"Heihe plan data management center\" (http://westdc.westgis.ac.cn) in English, which are indicated according to the following specifications: the\r\ndata set is provided by Cold and Arid Regions Sciences Data Center at Lanzhou\r\n(http://westdc.westgis.ac.cn)" } }, "submit_center_id": "ncdc", "data_level": 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, "ds_topic_tags": [ "冻土类型", "冻土厚度" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "青藏铁路", "青藏公路", "西藏", "青藏高原", "青海省" ], "ds_time_tags": [ 1981 ], "ds_contributors": [ { "true_name": "李新", "email": "lixin@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": "吴立宗", "email": "wulizong@pric.org.cn", "work_for": "国家极地科学数据中心", "country": "中国" } ], "ds_managers": [ { "true_name": "敏玉芳", "email": "myf@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": "冻土" }