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The Global Ecosystem Dynamics Investigation (GEDI) instrument is a full-waveform lidar installed on the International Space Station that produces detailed observations of the 3D structure of Earth’s surface. GEDI's three lasers precisely measure forest canopy height, canopy vertical structure, and surface elevation.

The Global Ecosystem Dynamics Investigation (GEDI) aims to characterize the effects of changing climate and land use on Earth. Specifically, GEDI helps researchers study ecosystem structure and dynamics to enable radically improved quantification and understanding of Earth's carbon cycle and variability of life.

2020年6月1日 · GEDI is the first spaceborne lidar optimized to measure ecosystem structure. GEDI has a 2 year mission length on the International Space Station. GEDI data are used to create data sets on canopy structure, biomass and topography. GEDI helps quantify the net carbon impact of forest loss and subsequent regrowth.

2024年6月7日 · GEDI 仪器是一种大地测量级光探测和测距（lidar）激光系统，由 3 个激光器组成，可产生 8 个平行的观测轨迹。 每个激光器每秒发射 242 次，并在测量 25D 结构的表面上照亮 3 m 的光斑（足迹）。 每个轨迹沿轨道相隔 60 米，即 600 条轨道之间的跨轨道距离约为 8 米。 GEDI预计在10个月任务长度内将产生约24亿次无云观测。 GEDI观测覆盖范围为51.6°S~51.6°N，获取的观测数据可以量化和了解地球植被中的生物量，从而估算植被中的碳 …

2022年4月28日 · 全球生态系统动态调查（gedi）任务的目的是描述生态系统的结构和动态，以便从根本上改善对地球碳循环和生物多样性的量化和理解。 附属于国际空间站（ISS）的GEDI仪器在全球范围内收集北纬51.6°和南纬51.6°之间的数据，对地球的三维结构进行最高分辨率和最 ...

Launched December 5, 2018, the scientific goal of the Global Ecosystem Dynamics Investigation Lidar (GEDI) is to characterize the effects of changing climate and land use on ecosystem structure and dynamics to enable radically improved quantification and understanding of the Earth's carbon cycle and biodiversity.

2021年8月10日 · The Global Ecosystem Dynamics Investigation (GEDI) is a full-waveform lidar instrument that produces detailed observations of the 3-dimensional structure of the Earth’s surface. GEDI precisely measures forest canopy height, canopy vertical structure, and surface elevation which enhances our understanding of global carbon and water cycle ...

The rGEDI package provides functions for i) downloading, ii) visualizing, iii) clipping, iv) gridding, iv) simulating and v) exporting GEDI data. # Herein, we are using only a GEDI sample dataset for this tutorial. sf::st_as_sf( level1bGeo, coords = c("longitude_bin0", "latitude_bin0"), crs = "epsg:4326") addCircleMarkers(level1bGeo$longitude_bin0,

2022年1月15日 · Conditional Language Model 和 Plug and Play Language Model 可以说是让受控文本生成的里程碑式模型。 如下图是两种模型的根据。 2021年的GEDI取得了很好的控制生成效果，感兴趣的可以读一下原文* GeDi: Generative Discriminator Guided Sequence Generation *