Category Archives: Forestry

Lidar Dating Landslides

The Oso landslide in Washington state is the subject of research to better understand the likelihood of this kind of event happening again. A team of scientists from the University of Washington has published a new study concluding that the … Continue reading

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NH Gets Lidar

Since New Hampshire has been my home for the past 40 years I had to take note of this article in a local paper explaining to the public how lidar is being used to 3D map 80% of the state. … Continue reading

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Tree Map for Minnesota

EarthDefine, a provider of high-resolution spatial data products, has created a seamless tree canopy dataset that maps Minnesota’s trees in unprecedented detail. The Minnesota SpatialCover Tree Canopy dataset maps trees with 98% accuracy and 30 times the resolution of existing … Continue reading

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Illegal Tree Removal

The District of Columbia is using airborne lidar data to automatically identify trees that have been illegally removed by landowners. Trees are needed to process carbon gases which can improve air quality and reduce greenhouse gases. Collecting LIDAR data annually … Continue reading

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Finnish Forests to be Completely Mapped in 3D

In May, the extent of data on privately-owned forest stands surpassed the 10 million-hectare mark. Continue reading

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Comparing Single Tree Detection Methods

The study provides new insight regarding the potential and limits of tree detectio Continue reading

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Coloring the Points

After classification, useful information on these different vegetation strata can be extracted, making it easier to interpret vegetation information hidden in the point clouds. Continue reading

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Adjusting Canopy Height for Slope

n treetop detection, a highest crown return located in the downhill part may prove to be a “false” local maximum that is distant from the true treetop.” Continue reading

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Mapping Forests’ Carbon

laser technology that is flown over the tropics to measure how much carbon is trapped in the forests, and where deforestation, illegal logging and mining activities are releasing it. Continue reading

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Where to Trim Trees?

We could measure this entire area without even looking at it or taking a picture if we just drive the LiDAR system Continue reading

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