{ "created": "2021-10-18 14:50:25", "updated": "2026-05-02 02:22:11", "id": "2ee6aa92-0747-4e00-abbe-c48c60f84737", "version": 2, "ds_topic": null, "title_cn": "中国干旱区绿洲时空分布数据集（2000-2019年）", "title_en": "Spatial and temporal distribution data set of oasis in arid areas of China (2000-2019)", "ds_abstract": "

  本数据利用MODIS MOD13系列数据，采用易康和arcgis软件，自动指定分类和目视修改，基于多尺度分割及NDVI阈值法制作完成2000-2019年干旱区绿洲时空分布数据。数据采集地点为西北干旱区，经野外验证精度在90%以上。", "ds_source": "

  在完成的2015年30米干旱区绿洲空间分布的基础上，采用易康和arcgis软件，基于多尺度分割及NDVI阈值法制作完成。", "ds_process_way": "

  自动指定分类和目视修改。", "ds_quality": "

  经野外验证精度在90%以上。", "ds_acq_start_time": "2000-01-01 00:00:00", "ds_acq_end_time": "2019-12-31 00:00:00", "ds_acq_place": "西北干旱区", "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": 164263133, "ds_files_count": 2, "ds_format": "shp", "ds_space_res": "250m", "ds_time_res": "年", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "2ee6aa92-0747-4e00-abbe-c48c60f84737.png", "ds_thumb_from": 0, "ds_ref_way": "何志斌，中国干旱区绿洲时空分布数据集（2000-2019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.db0011.2021", "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 09:35:24", "last_updated": "2022-01-14 16:53:36", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.STXF.2021.3", "i18n": { "en": { "title": "Spatial and temporal distribution data set of oasis in arid areas of China (2000-2019)", "ds_format": "", "ds_source": "

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  On the basis of the spatial distribution of oases in the 30m arid area in 2015, it is made based on multi-scale segmentation and NDVI threshold method by using Yikang and ArcGIS software.", "ds_quality": "

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  After field verification, the accuracy is more than 90%.", "ds_ref_way": " ", "ds_abstract": "

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  Using MODIS mod13 series data, Yikang and ArcGIS software, this data automatically specifies classification and visual modification, and completes the spatial-temporal distribution data of oasis in arid area from 2000 to 2019 based on multi-scale segmentation and NDVI threshold method. The data acquisition site is the arid area of Northwest China, and the accuracy is more than 90% after field verification.

", "ds_time_res": "年", "ds_acq_place": "Northwest Arid Area", "ds_space_res": "250m", "ds_projection": "", "ds_process_way": "
\n
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  Automatically assign classification and visual modification.", "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": [ "西北干旱区", "绿洲", "时空分布", "2000-2019年" ], "ds_subject_tags": [ "地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "西北干旱区" ], "ds_time_tags": [ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 ], "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" }