数据为天山北麓诸河流域10万沙漠分布图，本数据以2000年TM影像为数据源，进行解译、提取、修编，利用遥感与地理信息系统技术结合1:10万比例尺成图要求，对沙漠、沙地和砾质戈壁进行专题制图。数据属性表：area（面积）、perimeter（周长）、ashm_(序列码）、class（沙漠编码）、ashm_id（沙漠编码）其中沙漠编码如下：流动沙地 2341010、半流动沙地 2341020、半固定沙地 2341030、戈壁 2342000、盐碱地 2343000。
", "ds_source": "2000年Landsat TM影像
", "ds_process_way": "解译、提取、修编
", "ds_quality": "数据集通过严格的人工审核控制质量
", "ds_acq_start_time": "2000-01-01 00:00:00", "ds_acq_end_time": "2000-12-31 00:00:00", "ds_acq_place": "天山北麓诸河流域", "ds_acq_lon_east": 93.0, "ds_acq_lat_south": 42.266666666666666, "ds_acq_lon_west": 78.76666666666667, "ds_acq_lat_north": 48.166666666666664, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 13982479, "ds_files_count": 3, "ds_format": "矢量", "ds_space_res": "1000.0m", "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "+proj=longlat +datum=WGS84 +no_defs", "ds_thumbnail": "fc65cd2d-512c-4dd6-a393-43b6b01e59b6.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": "李红星 ", "ds_serv_phone": "0931-4967287", "ds_serv_mail": "westdc@lzb.ac.cn", "doi_value": "", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2020-12-21 16:48:17", "last_updated": "2023-08-23 16:46:24", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.Westdc.2020.615", "i18n": { "en": { "title": "Data of Distribution Of Desert For The North_Slope_of_Tianshan River Basin", "ds_format": "Vector", "ds_source": "Landsat TM image 2000
", "ds_quality": "Data set quality control through strict manual audit
", "ds_ref_way": "", "ds_abstract": "The data is the distribution map of 100000 deserts in the Zhuhe river basin at the northern foot of Tianshan Mountain. This data is based on the TM image of 2000, which is interpreted, extracted and edited. The special mapping of deserts, sandy land and Gravel Gobi is carried out by using remote sensing and geographic information system technology in combination with the mapping requirements of 1:100000 scale. Data attribute table: Area (area), perimeter (perimeter), ash_ (sequence code), class (desert code), ash_id (desert code). The desert code is as follows: mobile sand 2341010, semi mobile sand 2341020, semi fixed sand 2341030, Gobi 2342000, salt alkali land 2343000.
", "ds_time_res": "", "ds_acq_place": "The various river basins at the northern foot of the Tianshan Mountains", "ds_space_res": "1000.0m", "ds_projection": "+proj=longlat +datum=WGS84 +no_defs", "ds_process_way": "Interpretation, extraction and revision
", "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": [ "沙地", "沙漠", "沙漠与荒漠化" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "天山北麓诸河流域" ], "ds_time_tags": [ 2000 ], "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": "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": "沙漠与荒漠化" }