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西半球的GOES-R陆地表面产品在状共变量塔的位置
Danielle Losos1, Sophie Hoffman2, Paul C Stoy2,3
1Department of Biological Systems Engineering, University of Wisconsin - Madison, Madison, WI, USA. losos@wisc.edu.
Scientific data
|March 7, 2024
概括
这项研究将陆地碳循环的快速变化与地球静止环境操作卫星 - R系列 (GOES-R) 的卫星数据联系起来. 它将卫星衍生的陆地表面特性与地面测量相结合,以更好地监测生态系统.
科学领域:
- 地球系统科学 地球系统科学
- 遥感 遥感 遥感 遥感
- 生态系统生态学生态学
背景情况:
- 陆地碳循环表现出快速,动态的变化 (每小时到每周),使直接观察变得复杂.
- 地静止卫星,如地静止环境操作卫星 - R系列 (GOES-R),提供高频 (10分钟) 图像.
- 在GOES-R上的高级基线成像器 (ABI) 收集适合估计土地表面特性和二氧化碳流量的光谱数据.
研究的目的:
- 为应对将GOES-R实时数据与陆地-大气二氧化碳交换的现场旋共变度测量联系在一起的挑战.
- 编制和分析GOES-R土地表面属性的三年时间序列.
- 展示结合卫星和现场数据集用于生态系统监测的有效方法.
主要方法:
- 编制了GOES-R陆地表面属性的三年时间序列 (反射,陆地表面温度,下降的短波辐射) 在314个具有状共变量塔的位置.
- 利用了来自ABI的可见和近红外光谱波段.
- 开发了将来自卫星的数据与地面的旋共变量流量数据集成的方法.
主要成果:
- 成功编制和分析了三年数据集,将GOES-R ABI属性与状共变量塔数据联系起来.
- 证明了与生态系统监测相关的ABI衍生属性的空间和时间变化.
- 建立了一个框架,将高频率卫星观测与现场测量相结合.
结论:
- 连接捕获快速碳循环变化的观测网络可以增强对生态系统过程的理解.
- 当将GOES-R ABI数据与地面测量集成时,可以提供有关动态的陆地碳循环的宝贵见解.
- 这种方法提高了我们监测和理解碳循环复杂控制的能力.
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