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lidar

A tree-lined valley in Switzerland with a deep channel cutting through the beige ground.
Posted inResearch Spotlights

Scientists Just Measured a Debris Flow in Unprecedented Detail

Sarah Derouin, Science Writer by Sarah Derouin 13 March 202313 March 2023

This research team used a laser sensor originally designed for autonomous vehicles to track debris flow surges.

Photo of a forest floor with several downed trees. Exposed roots and dirt from a large tree are in the center.
Posted inNews

Roughed-Up Hillsides Reveal Tree-Toppling Winds

by Carolyn Wilke 7 February 20237 February 2023

Researchers are reading pockmarks in the forest floor to study the uprooting of trees in southern Indiana and estimate how fast winds howled through the forest in the past.

Woods and wetlands in the Chequamegon-Nicolet National Forest.
Posted inResearch Spotlights

How Forest Structure Drives Productivity

by Jack Lee 20 July 202227 September 2022

Data from northern Wisconsin forest sites uncovered that vertical heterogeneity metrics are the most influential factors underlying rates of photosynthesis.

Aerial view created of a forest with lidar—with trees artificially colored in many colors—as well as buildings and open spaces in part of Yosemite National Park
Posted inFeatures

A Lidar’s-Eye View of How Forests Are Faring

by Van R. Kane, Liz Van Wagtendonk and Andrew Brenner 29 April 202222 December 2022

Success in Yosemite is driving the wider use of lidar surveys to support forest health and wildfire resilience, study wildlife habitats, and monitor water resources.

Comparison of channels extracted from a high-resolution Digital Elevation Model using a traditional flow routing method and using the new method based on a Riverlab flow simulation (Elder Creek catchment, California, USA).
Posted inEditors' Highlights

Running Water on Topographic Data to Better Delineate Channels

by Mikaël Attal 25 April 202227 April 2022

Two-dimensional hydraulic simulations are a powerful tool to identify process domains such as channels, hillslopes, and floodplains in high-resolution topographic data.

In the foreground, the GEDI instrument appears as a large white box. In the background, an astronaut climbs along the space station’s external scaffolding.
Posted inNews

Scientists Fight to Keep Lidar on the Space Station

by Saima May Sidik 6 April 20226 July 2022

Remote sensing experts may lose a key tool in the fight against climate change.

La pirámide del Sol en Teotihuacan al frente con un cerro y el cielo despejado detrás.
Posted inNews

Mapeando el pasado, presente y futuro de Teotihuacan

by Humberto Basilio 14 March 202227 March 2023

Un nuevo proyecto con tecnología lidar revela cómo la minería y la expansión urbana han puesto en riesgo a uno de los sitios del patrimonio cultural más icónicos de México.

The Pyramid of the Sun at Teotihuacan
Posted inNews

Mapping Teotihuacan’s Past, Present, and Future

by Humberto Basilio 6 January 20229 May 2023

A new lidar project reveals how mining and urban expansion have put one of Mexico’s most iconic cultural heritage sites at risk.

Side view of individual trees generated in a lidar image
Posted inNews

The Bigger They Are, the Harder They Fall

Richard Sima, freelance science writer by Richard J. Sima 18 October 201924 March 2023

New research tracking 1.8 million trees found that tall trees died at more than twice the rate of smaller ones toward the end of extreme and persistent drought.

Seated man in a hard hat assesses sediment patterns in a dug trench
Posted inNews

Secrets from the New Madrid Seismic Zone’s Quaking Past

Rachel Crowell, Science Writer by R. Crowell 9 April 20198 December 2022

High-resolution lidar topography reveals a long history of ancient earthquakes.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
Geophysical Research Letters
“Neural Networks Map the Ebb and Flow of Tiny Ponds”
By Sarah Derouin

EDITORS' HIGHLIGHTS
Community Science
“Collaboration Helps Overcome Challenges in Air Quality Monitoring”
By Muki Haklay

EDITORS' VOX
Reviews of Geophysics
“What We Know and Don’t Know About Climate Tipping Elements”
By Seaver Wang

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