中国区域250米EVI侯合成产品（AQUA星）
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产品介绍：MYDEV1F 中国250M EVI五天合成产品（TERRA星）是由MYDEV1D计算得到，计算方法为取月内每五天最大值。命名规范如下：AAABBCD. EEEEEEEEE. CN.FFF.GG****，比如：中国每日温度合成命名为：MYDLT1D.20010101.CN.LTD.V1.TIF；AAA：卫星（MOD&MYD）；BB：参量（地表温度(LT)、NDV(ND)、EVI(EV)、SR（地表反射率））；C：分辨率（Q（250米）、H（500米）、1（1000米））；D：合成周期（D（每日）、F（5天合成），T（10天合成）、M（月合成）） l 注意：遇2月或大月，每月最后一个合成产品利用本月所有剩余天内的每日数据为输入。（比如平二月的5天合成产品实际数据输入为2月26、27、28三天）；CN：中国区域合成 EEEEEEE：年年年年天天天（2010001） 注意：合成产品以每个合成产品输入数据的第一天作为产品对应时间；FFF：参量 LTD：白天地表温度 LTN：夜间地表温度 QCD：白天质量评价文件 QCN：夜间质量评价文件；GG：版本号；****：文件类型（TIF、jpg、txt）。
Product Introduction: The MYDEV1F China 250m 5-day composite EVI product (Terra satellite) is derived from MYDEV1D, with the calculation method adopting the maximum value composited over each 5-day window within a calendar month.
The naming convention is as follows: AAABBCD. EEEEEEEEE. CN.FFF.GG****. For example, the China daily land surface temperature composite product is named MYDLT1D.20010101.CN.LTD.V1.TIF.
The meaning of each segment in the naming convention is explained below:
1. AAA: Satellite platform (MOD&MYD)
2. BB: Parameter (Land Surface Temperature (LT), NDV (ND), EVI (EV), Surface Reflectance (SR))
3. C: Spatial resolution (Q (250m), H (500m), 1 (1000m))
4. D: Synthesis cycle (D (Daily), F (5-day composite), T (10-day composite), M (Monthly composite))
Note: For February or months with insufficient remaining days at the end of the month, the final synthesis product of the month will use all remaining daily data of that month as input. For instance, the 5-day composite product of a non-leap February actually uses the data from February 26, 27 and 28 as input.
- CN: China regional composite product
- EEEEEEE: Date in the format of YYYYDDD (e.g., 2010001, representing the 1st day of the year 2010). Note that the corresponding timestamp of each synthesis product is set as the first day of the input data used for generating this product.
- FFF: Parameter identifier: LTD stands for daytime land surface temperature, LTN stands for nighttime land surface temperature, QCD stands for daytime quality assessment file, QCN stands for nighttime quality assessment file
- GG: Version number
- ****: File type (TIF, JPG, TXT)
提供机构：
中国科学院计算机网络信息中心
