{ "created": "2021-10-18 10:44:54", "updated": "2026-05-05 05:01:03", "id": "aa06cc0e-e464-4b1c-945d-ffd4278f1287", "version": 2, "ds_topic": null, "title_cn": "中国典型区绿洲土地覆被数据集（1975-2015年）", "title_en": "Oasis land cover data set in typical areas of China (1975-2015)", "ds_abstract": "

  本数据利用landsat系列数据，采用易康和arcgis软件，基于面向对象分类方法，自动指定分类和目视修改，制作1975-2015年张掖、武威、石河子和阿拉尔四个典型绿洲土地覆被数据。数据时间为1975年、1990年、1995年、2000年、2005年、2010年、2015年。", "ds_source": "

  Landsat MSS，TM，ETM+，OLI", "ds_process_way": "

  采用易康和arcgis软件，基于面向对象分类方法制作完成，自动指定分类和目视修改。", "ds_quality": "

  经野外验证一级类精度在92%以上，二级类精度在85%以上。", "ds_acq_start_time": "1975-01-01 00:00:00", "ds_acq_end_time": "2015-12-31 00:00:00", "ds_acq_place": "张掖市;武威市;石河子;阿拉尔", "ds_acq_lon_east": null, "ds_acq_lat_south": null, "ds_acq_lon_west": null, "ds_acq_lat_north": null, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 60574075, "ds_files_count": 2, "ds_format": "shp", "ds_space_res": "30米", "ds_time_res": "年", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "aa06cc0e-e464-4b1c-945d-ffd4278f1287.png", "ds_thumb_from": 0, "ds_ref_way": "何志斌，中国典型区绿洲土地覆被数据集（1975-2015年），国家冰川冻土沙漠科学数据中心(www.ncdc.ac.cn)，2021，doi：10.12072/ncdc.STXF.db0012.2021", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "fbb3064a-7571-4312-8d84-f04332fed16b", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967596", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [ "170.45" ], "quality_level": 3, "publish_time": "2021-10-22 09:35:32", "last_updated": "2022-01-14 16:59:55", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.STXF.2021.9", "i18n": { "en": { "title": "Oasis land cover data set in typical areas of China (1975-2015)", "ds_format": "", "ds_source": "

\n
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  Landsat MSS，TM，ETM+，OLI", "ds_quality": "

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  Through field verification, the accuracy of class I is more than 92%, and that of class II is more than 85%.", "ds_ref_way": " ", "ds_abstract": "

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  Using Landsat series data and ArcGIS software, this data automatically specifies classification and visual modification based on object-oriented classification method, and produces land cover data of Four Typical Oases in Zhangye, Wuwei, Shihezi and alar from 1975 to 2015. The data dates are 1975, 1990, 1995, 2000, 2005, 2010 and 2015.

", "ds_time_res": "年", "ds_acq_place": "Zhangye City; Wuwei City; Shihezi; Alar", "ds_space_res": "30米", "ds_projection": "", "ds_process_way": "
\n
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  Using the software of Yikang and ArcGIS and based on the object-oriented classification method, the classification is automatically specified and visually modified.", "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": [ "植被覆盖", "土地覆被", "目视解译" ], "ds_subject_tags": [ "地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "张掖", "武威", "石河子", "阿拉尔" ], "ds_time_tags": [ 1975, 1990, 1995, 2000, 2002, 2010, 2015 ], "ds_contributors": [ { "true_name": "何志斌", "email": "hzbmail@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": "李森", "email": "lisen@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": "张志山", "email": "zszhang@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": "蔺鹏飞", "email": "linpengfei@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": "蔺鹏飞", "email": "linpengfei@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": "生态" }