本数据集包含内蒙古巴丹吉林沙漠MODIS的NDVI产品MOD13Q1，数据来源于美国国家航空航天局。MODIS的NDVI产品（MOD13Q1）利用Band Math算法重建得到了2000~2012年生长季（6、7、8、9月份）每旬的实测NDVI数据集。经重投影后产品坐标系统为经纬度投影，空间分辨率为250m，时间分辨率为16天，数据存储类型为GEOTIFF文件：MOSAIC_TMP_yyyyddd.hdfout.250m_16_days_NDVI_roi.tif\n其中yyyy是年份，ddd表示特定年份中的某一天，如177表示在该年份的第177天。
", "ds_source": "数据来源于美国国家航空航天局MOD13Q1
", "ds_process_way": "原始影像在沙漠区进行裁剪
", "ds_quality": "数据类型为16bit整形，无效值像元填充值为-3000，有效的数据范围为-2000-10000， 缩放因子为0.0001.
", "ds_acq_start_time": "2002-01-01 00:00:00", "ds_acq_end_time": "2012-12-31 00:00:00", "ds_acq_place": "巴丹吉林沙漠", "ds_acq_lon_east": 98.2, "ds_acq_lat_south": 39.36666666666667, "ds_acq_lon_west": 103.17, "ds_acq_lat_north": 41.35, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 99846134, "ds_files_count": 2, "ds_format": "Geotiff", "ds_space_res": "250.0m", "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "9a0a0414-4ae8-45c1-9d00-53b25da866ce.jpg", "ds_thumb_from": 2, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "9c4867b1-5cb1-4de0-abeb-df42547bf41e", "ds_serv_man": "李红星", "ds_serv_phone": "0931-4967592", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [ "170.45" ], "quality_level": 3, "publish_time": "2022-09-15 09:52:44", "last_updated": "2023-08-23 16:46:04", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.Westdc.2021.830", "i18n": { "en": { "title": "NDVI data set of Badain Jaran Desert (2000-2012)", "ds_format": "", "ds_source": "Data from NASA mod13q1
", "ds_quality": "The data type is 16bit shaping, the invalid pixel filling value is - 3000, the effective data range is - 2000-10000, and the scaling factor is 0.0001
", "ds_ref_way": "", "ds_abstract": "This dataset includes MODIS NDVI product mod13q1 of Badain Jaran Desert in Inner Mongolia, and the data is from NASA. MODIS NDVI product (mod13q1) uses band math algorithm to reconstruct the measured NDVI data sets of every ten days in the growing season (June, July, August and September) from 2000 to 2012. After the re projection, the product coordinate system is longitude and latitude projection, the spatial resolution is 250m, the time resolution is 16 days, and the spatial range is 39.40n-41.35n, 98.2e-103.17e.\nThe data storage type is geotif file\nThe data naming method is as follows:\nMOSAIC_ TMP_ yyyyddd.hdfout .250m_ 16_ days_ NDVI_ roi.tif\nWhere yyyy is the year and DDD is a day in a specific year, for example, 177 is the 177th day of the year.
", "ds_time_res": "", "ds_acq_place": "Badain Jaran Desert", "ds_space_res": "250.0m", "ds_projection": "", "ds_process_way": "The original image is cropped in desert area
", "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, "ds_topic_tags": [ "归一化植被指数", "NDVI" ], "ds_subject_tags": [ "地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "巴丹吉林沙漠" ], "ds_time_tags": [ 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 ], "ds_contributors": [ { "true_name": "胡晓农", "email": "wxsh@cugb.edu.cn", "work_for": "中国地质大学(北京)", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "金晓媚", "email": "jxm@cugb.edu.cn", "work_for": "中国地质大学(北京)水资源与环境学院", "country": "中国" } ], "ds_managers": [ { "true_name": "胡晓农", "email": "wxsh@cugb.edu.cn", "work_for": "中国地质大学(北京)", "country": "中国" } ], "category": "沙漠与荒漠化" }