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GCOM-C/SGLI L3 Binned Enhanced Vegetation Index (EVI) (1-Day,1/24 deg)

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fedeo.ceos.org2023-02-14 更新2025-03-23 收录
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GCOM-C/SGLI L3 Binned Enhanced Vegetation Index (EVI) (1-Day,1/24 deg) is obtained from the SGLI sensor onboard GCOM-C and produced by the Japan Aerospace Exploration Agency (JAXA). GCOM-C is Sun-synchronous sub-recurrent Orbit satellite launched on December 23, 2017, which mounts SGLI and conducts long-term global observations of geophysical variables related to the global climate system across 28 items including aerosol and vegetation over 4 areas of atmosphere, land, ocean, and cryosphere. The data will be used to contribute to higher accuracy of global warming prediction. The SGLI has swath of 1150 km in the visible band and 1400 km in the infrared band. Level 3 products are defined to be products derived from Level 1B and Level 2 products by statistically processing the Level 1B and Level 2 products in time and space domains.This dataset is daily spatial binning statistics product by reducing the spatial resolution to 1/24 deg with EQA projection. This dataset includes EVI: Enhanced Vegetation Index and QA_flag. Physical quantity unit is dimensionless. The stored statistics values are average (AVE), root-mean-square (RMS), maximum value (MAX), minimum value (MIN), number of input data (Ninput), number of used data (Nused), date of observation (Date), and quality flag (QA_flag).The statistical period is 1 day, also 8 days and 1 month statistics are available. The projection method is EQA. The generation unit is Global. The current version of the product is Version 3. The Version 2 is also available.

GCOM-C/SGLI L3 分箱增强植被指数(EVI)(每日,1/24度)由搭载于GCOM-C卫星上的SGLI传感器获取,并由日本宇宙航空研究开发机构(JAXA)生产。GCOM-C为太阳同步次级回归轨道卫星,于2017年12月23日发射,搭载SGLI设备,对全球气候系统相关的地球物理变量进行长期全球观测,涵盖大气、陆地、海洋和冰冻圈四个区域,共计28项内容,包括气溶胶和植被。这些数据将被用于提高全球变暖预测的精确度。SGLI在可见光波段具有1150公里的扫描宽度,在红外波段具有1400公里的扫描宽度。第3级产品定义为通过对第1B级和第2级产品在时间和空间域内进行统计分析而得到的产品。本数据集是每日空间分箱统计产品,通过将空间分辨率降低至1/24度,采用EQA投影。本数据集包括增强植被指数(EVI)和QA标志。物理量单位为无量纲。存储的统计值包括平均值(AVE)、均方根(RMS)、最大值(MAX)、最小值(MIN)、输入数据数量(Ninput)、使用数据数量(Nused)、观测日期(Date)和质量标志(QA_flag)。统计周期为1天,同时提供8天和1个月的统计数据。投影方法为EQA。生成单位为全球。当前产品版本为版本3,版本2也可用。
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