该数据集包括明朝、清朝和民国三个时期的古居民点、渠道及绿洲分布矢量数据。
\n\n共包括15个矢量数据、15个图及1个绿洲面积统计表\n（1）明前居民点、渠道及绿洲分布矢量数据\n（2）明后居民点、渠道及绿洲分布矢量数据\n（3）清初居民点、渠道及绿洲分布矢量数据\n（4）清末居民点、渠道及绿洲分布矢量数据\n（5）民国居民点、渠道及绿洲分布矢量数据\n（6）明前居民点、渠道及绿洲分布图\n（7）明后居民点、渠道及绿洲分布图\n（8）清初居民点、渠道及绿洲分布图\n（9）清末居民点、渠道及绿洲分布图\n（10）民国居民点、渠道及绿洲分布图\n
数据集旨在研究黑河流域绿洲化、荒漠化过程及其驱动机制，数据的空间范围为黑河流域，投影方式为横轴墨卡托投影系统，可用ArcGIS等GIS软件打开。
", "ds_source": "黑河流域古绿洲重建结果
", "ds_process_way": "本数据通过查阅历史文献及前人研究、借助遥感目视解译手段进行解译，利用ArcGIS绘制成图并对各典型区绿洲面积进行统计
", "ds_quality": "室内解译判读、野外考证
", "ds_acq_start_time": "2013-01-01 00:00:00", "ds_acq_end_time": "2013-12-31 00:00:00", "ds_acq_place": "黑河流域", "ds_acq_lon_east": 102.0, "ds_acq_lat_south": 37.766666666666666, "ds_acq_lon_west": 98.0, "ds_acq_lat_north": 42.7, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 45046816, "ds_files_count": 4, "ds_format": "矢量", "ds_space_res": null, "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "Transverse Mercator 投影", "ds_thumbnail": "fe62fdea-1225-4927-8074-4e1d0e938795.png", "ds_thumb_from": 2, "ds_ref_way": "颉耀文，明清及民国各典型时期黑河流域古绿洲分布图集，国家冰川冻土沙漠科学数据中心(www.ncdc.ac.cn)，2020，doi：10.12072/ncdc.973Desert.db0028.2020", "paper_ref_way": "None", "ds_ref_instruction": "使用本数据集时，请在文章中引用以下文献：石亮.明清及民国时期黑河流域中游地区绿洲化荒漠化时空过程研究[D]，兰州大学，兰州：2011", "ds_from_station": null, "organization_id": "eb2b3ac4-919d-433d-b987-bcee1ae83c9e", "ds_serv_man": "李红星", "ds_serv_phone": "0931-4967592", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": null, "quality_level": 0, "publish_time": "2020-07-23 10:13:33", "last_updated": "2020-07-23 10:13:33", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.973Desert.2020.139", "i18n": { "en": { "title": "Atlas of the distribution of ancient oases in the Heihe River Basin during various typical periods of the Ming, Qing, and Republic of China", "ds_format": "vector", "ds_source": "Reconstruction Results of Ancient Oasis in Heihe River Basin
", "ds_quality": "Indoor interpretation and interpretation, field verification
", "ds_ref_way": "Jie Yaowen, Atlas of Ancient Oasis Distribution in the Heihe River Basin during Typical Periods of the Ming, Qing, and Republic of China, National Glacier, Frozen Desert Science Data Center (www.ncdc. ac.cn), 2020, doi: 10.12072/ncdc.973Desert.db0028.2020", "ds_abstract": "This dataset includes vector data on the distribution of ancient settlements, channels, and oases from the Ming, Qing, and Republic of China periods", "ds_time_res": "", "ds_acq_place": "Heihe River Basin", "ds_space_res": "", "ds_projection": "Trans Mercator projection", "ds_process_way": "
This data was interpreted by reviewing historical literature and previous research, using remote sensing visual interpretation methods. ArcGIS was used to create a map and statistical analysis was conducted on the area of oases in each typical region
", "ds_ref_instruction": "When using this dataset, please cite the following literature in the article: Shi Liang Research on the spatiotemporal process of oasis desertification in the middle reaches of the Heihe River Basin during the Ming, Qing, and Republic of China periods [D], Lanzhou University, Lanzhou: 2011" } }, "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": [ "民国", "古绿洲", "明朝", "居民点", "清朝" ], "ds_subject_tags": [ "地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "黑河流域" ], "ds_time_tags": [ 1368, 1644, 1949 ], "ds_contributors": [ { "true_name": "颉耀文", "email": "xieyw@lzu.edu.cn", "work_for": "兰州大学", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "颉耀文", "email": "xieyw@lzu.edu.cn", "work_for": "兰州大学", "country": "中国" } ], "ds_managers": [ { "true_name": "王涛", "email": "wangtao@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": "颉耀文", "email": "xieyw@lzu.edu.cn", "work_for": "兰州大学", "country": "中国" } ], "category": "基础地理" }