Mountains cover approximately 24%of the Earth’s land surface,providing crucial sources of the planet’s fresh water and supporting vital ecosystem services.However,under the pressures of climate change and human acti...Mountains cover approximately 24%of the Earth’s land surface,providing crucial sources of the planet’s fresh water and supporting vital ecosystem services.However,under the pressures of climate change and human activities,mountain ecosystems are rapidly transforming,acting as sentinels of global change.1 With the relentless advancement of satellite constellations,unmanned aerial vehicles(UAVs),and ground observation networks,we are entering a new era of stereoscopic Earth observation.Stereoscopic remote sensing combines observations from multi-altitude platforms and technologies like LiDAR and SAR to capture Earth’s information across various layers,altitudes,and depths.This approach enables the acquisition of multi-modal,multi-resolution,multiangle,multi-spectral,andmulti-temporal stereoscopic observation data,promoting a comprehensive understanding of the Earth’s surface and its dynamic processes.However,given the inherently complex three-dimensional(3D)nature of mountains,there is a pressing need for tailored observation methods and specific observation goals to effectively address the distinct challenges posed by these environments.展开更多
基金supported by the National Key Research and Development Program of China(no.2020YFA0608702)the National Natural Science Foundation Project of China(U23A2019,W2412146,and 42171382)+1 种基金the Science and Technology Research Program of Institute of Mountain Hazards and Environment,Chinese Academy of Sciences(IMHECXTD-03)the Chinese Academy of Sciences“Light of West China”Program。
文摘Mountains cover approximately 24%of the Earth’s land surface,providing crucial sources of the planet’s fresh water and supporting vital ecosystem services.However,under the pressures of climate change and human activities,mountain ecosystems are rapidly transforming,acting as sentinels of global change.1 With the relentless advancement of satellite constellations,unmanned aerial vehicles(UAVs),and ground observation networks,we are entering a new era of stereoscopic Earth observation.Stereoscopic remote sensing combines observations from multi-altitude platforms and technologies like LiDAR and SAR to capture Earth’s information across various layers,altitudes,and depths.This approach enables the acquisition of multi-modal,multi-resolution,multiangle,multi-spectral,andmulti-temporal stereoscopic observation data,promoting a comprehensive understanding of the Earth’s surface and its dynamic processes.However,given the inherently complex three-dimensional(3D)nature of mountains,there is a pressing need for tailored observation methods and specific observation goals to effectively address the distinct challenges posed by these environments.
