TY - JOUR AU - Sun, Tong AU - Qi, Jianbo AU - Huang, Huaguo PY - 2020 DA - 2020/09/15 TI - Discovering forest height changes based on spaceborne lidar data of ICESat-1 in 2005 and ICESat-2 in 2019: a case study in the Beijing-Tianjin-Hebei region of China JO - Forest Ecosystems SP - 53 VL - 7 IS - 1 AB - The assessment of change in forest ecosystems, especially the change of canopy heights, is essential for improving global carbon estimates and understanding effects of climate change. Spaceborne lidar systems provide a unique opportunity to monitor changes in the vertical structure of forests. NASA’s Ice, Cloud and Land Elevation Satellites, ICESat-1 for the period 2003 to 2009, and ICESat-2 (available since 2018), have collected elevation data over the Earth’s surface with a time interval of 10 years. In this study, we tried to discover forest canopy changes by utilizing the global forest canopy height map of 2005 (complete global coverage with 1 km resolution) derived from ICESat-1 data and the ATL08 land and vegetation products of 2019 (sampling footprints with 17 m diameter) from ICESat-2. SN - 2197-5620 UR - https://doi.org/10.1186/s40663-020-00265-w DO - 10.1186/s40663-020-00265-w ID - Sun2020 ER -