该数据集包括：①张掖绿洲-荒漠过度带MODIS_NDVI格局分析源数据：数据时间为2017年至2018年，每年的5至9月的栅格数据；②TCI与NDVI_栅格源数据：3种不同分辨率的栅格数据，数据空间分辨率为30m、100m、250m；③边界宽度_源数据：荒漠、沙漠、石质裸山和梭梭的边界数据以及3月、5月、7月、9月、11月的平均值和标准差栅格数据；④研究范围_矢量源数据。\n
\nMODIS数据采用的源数据为MOD09GQ数据，选择条件为5-9月有效降水后逐日云量为0的数据。\n
\nLandsat 8 OLI数据选择条件为云量0，植被生长旺盛期，先大气辐射校正后进行波段计算分析。", "ds_source": "
MODIS数据采用的源数据为MOD09GQ数据，选择条件为5-9月有效降水后逐日云量为0的数据。\n
\nLandsat 8 OLI数据选择条件为云量0，植被生长旺盛期，先大气辐射校正后进行波段计算分析。", "ds_process_way": "
先大气辐射校正后进行波段计算分析。", "ds_quality": "
MODIS数据质量完全可以满足空间生产力格局分析需要；Landsat 8 OLI数据可以满足空间尺度效应分析需要。", "ds_acq_start_time": "2015-08-28 00:00:00", "ds_acq_end_time": "2018-09-30 00:00:00", "ds_acq_place": "张掖市临泽县", "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": 23119001, "ds_files_count": 2, "ds_format": "tiff;shp", "ds_space_res": "30m,100m,250m", "ds_time_res": "", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "ca6350e9-2afd-40db-9f64-ebea1762aafa.png", "ds_thumb_from": 0, "ds_ref_way": "何志斌，中国荒漠-绿洲过渡带边界范围与对应TCI、NDVI数据（2015年8月、2017-2018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.db0001.2021", "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 09:01:16", "last_updated": "2022-01-14 17:10:25", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.STXF.2021.1", "i18n": { "en": { "title": "Boundary range of desert oasis transition zone in China and corresponding TCI and NDVI data (August 2015, 2017-2018)", "ds_format": "", "ds_source": "
\nThe source data used for MODIS data is mod09gq data, and the selection condition is the data with daily cloud amount of 0 after effective precipitation from May to September.\n
\nLandsat 8 oli data selection conditions are cloud amount 0, vegetation growth period, atmospheric radiation correction first, and then band calculation and analysis.", "ds_quality": "
\nMODIS data quality can fully meet the needs of spatial productivity pattern analysis; Landsat 8 oli data can meet the needs of spatial scale effect analysis.", "ds_ref_way": " ", "ds_abstract": "
\nThe data set includes: ① MODIS of Zhangye oasis desert transition zone_ NDVI pattern analysis source data: grid data from May to September of each year from 2017 to 2018; ② TCI and NDVI_ Grid source data: three kinds of grid data with different resolutions, with spatial resolutions of 30m, 100m and 250m; ③ Boundary width_ Source data: boundary data of desert, desert, rocky bare mountain and Haloxylon ammodendron, as well as average and standard deviation grid data in March, may, July, September and November; ④ Research scope_ Vector source data.\n
\nThe source data used for MODIS data is mod09gq data, and the selection condition is the data with daily cloud amount of 0 after effective precipitation from May to September.\n
\nLandsat 8 oli data selection conditions are cloud amount 0, vegetation growth period, atmospheric radiation correction first, and then band calculation and analysis.
", "ds_time_res": "", "ds_acq_place": "Linze County, Zhangye City", "ds_space_res": "30m,100m,250m", "ds_projection": "", "ds_process_way": "\nAfter atmospheric radiation correction, band calculation and analysis are carried out.", "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": [ "张掖", "绿洲-荒漠带", "Landsat 8 OLI", "NDVI", "TCI", "MOD09GQ" ], "ds_subject_tags": [ "地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "张掖市临泽县" ], "ds_time_tags": [ 2015, 2017, 2018 ], "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": "常学礼", "email": "xlchang@126.com", "work_for": "鲁东大学", "country": "中国" }, { "true_name": "苏永中", "email": "suyzh@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" }