基于MODIS 的NDVI产品（MYD13A2和MOD13A2）利用改进的HANTS算法去云重建得到了2001-2011每天、1公里分辨率NDVI数据集。产品坐标系统为经纬度投影，空间范围为：96.5E-102.5E, 37.5N-43N。每天的数据存储为一个GEOTIFF文件，命名方式：heihe_yyyy_NDVI_recon.ddd.tif，其中yyyy是年份，ddd表示特定年份中的某一天。每年默认有365天的输出数据。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_source": "", "ds_process_way": "", "ds_quality": "", "ds_acq_start_time": "2001-01-01 00:00:00", "ds_acq_end_time": "2011-12-31 00:00:00", "ds_acq_place": "黑河流域", "ds_acq_lon_east": 102.5, "ds_acq_lat_south": 37.5, "ds_acq_lon_west": 86.5, "ds_acq_lat_north": 43.0, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 1546346994, "ds_files_count": 14, "ds_format": "栅格", "ds_space_res": null, "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "+proj=longlat +datum=WGS84 +no_defs", "ds_thumbnail": "bd5630e4-5ac9-44c5-84c2-30d32da6040d.png", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "9c4867b1-5cb1-4de0-abeb-df42547bf41e", "ds_serv_man": "黑河计划数据管理中心", "ds_serv_phone": "0931-4967287", "ds_serv_mail": "westdc@lzb.ac.cn", "doi_value": "", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2020-04-08 17:23:42", "last_updated": "2023-08-23 16:46:59", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.Westdc.2020.453", "i18n": { "en": { "title": "Spatiotemporal continuous NDVI dataset in the Heihe River Basin from 2001 to 2011", "ds_format": "Raster", "ds_source": "", "ds_quality": "", "ds_ref_way": "", "ds_abstract": "NDVI products based on MODIS (myd13a2 and mod13a2) use the improved Hants algorithm to remove the cloud and reconstruct the 2001-2011 daily and 1km resolution NDVI data set. The product coordinate system is longitude and latitude projection, and the spatial range is 96.5e-102.5e, 37.5n-43n. Every day's data is stored as a geotif file. The name is Heihe ﹣ YYY ﹣ NDVI ﹣ recon.ddd.tif, where yyyy is the year and DDD represents a certain day in a specific year. There are 365 days of output data by default every year. The data type is 16bit shaping, the pixel filling value of invalid value is - 3000, the effective data range is - 2000-10000, and the scaling factor is 0.0001.
", "ds_time_res": "", "ds_acq_place": "Heihe River Basin", "ds_space_res": "", "ds_projection": "+proj=longlat +datum=WGS84 +no_defs", "ds_process_way": "", "ds_ref_instruction": "In order to respect intellectual property rights, protect the rights and interests of data authors, expand the services of data centers, and evaluate the application potential of data, data users are requested to clearly indicate the data source and data authors in the research results (including published papers, works, data products and unpublished research reports, data products, etc.) produced by using data. For data reprinted (secondary or multiple releases), the author must also indicate the source of the original data." } }, "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": [ "MYD13A2", "NDVI", "植被指数", "MOD13A2", "MODIS" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "黑河流域" ], "ds_time_tags": [ 2001, 2011 ], "ds_contributors": [ { "true_name": "贾立", "email": "jiali@radi.ac.cn", "work_for": "中国科学院遥感与数字地球研究所", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "贾立", "email": "jiali@radi.ac.cn", "work_for": "中国科学院遥感与数字地球研究所", "country": "中国" } ], "ds_managers": [ { "true_name": "贾立", "email": "jiali@radi.ac.cn", "work_for": "中国科学院遥感与数字地球研究所", "country": "中国" } ], "category": "遥感及产品" }