Results 281 to 290 of about 1,220,175 (393)

Hyperspectral imaging has a limited ability to remotely sense the onset of beech bark disease

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
Although hyperspectral imaging is a powerful remote sensing tool, it proved ineffective in predicting the progression of beech bark disease, except in its later stages, both at the canopy and leaf levels. While some alterations in chlorophyll, water content, and canopy structure may have influenced foliar reflectance at the canopy scale, as suggested ...
Guillaume Tougas   +3 more
wiley   +1 more source

Eigenfeature‐enhanced deep learning: advancing tree species classification in mixed conifer forests with lidar

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
Workflow for tree species classification using lidar data. Steps include preprocessing (normalization, noise removal, CHM creation), tree segmentation, eigenfeature extraction, and 2D CNN training/validation. Blue, yellow, and red indicate training, validation, and testing image sets, respectively.
Ryan C. Blackburn   +5 more
wiley   +1 more source

Critical assessment of emissions from aircraft piston engines : final report [PDF]

open access: green, 2000
William. Mirsky   +4 more
openalex  

Emission of ions and charged soot particles by aircraft engines

open access: green, 2002
A. A. Sorokin   +2 more
openalex   +1 more source

Measurement of Aircraft Engine Non-Volatile PM Emissions: Results of the Aviation-Particle Regulatory Instrumentation Demonstration Experiment (A-PRIDE) 4 Campaign

open access: yes, 2015
P. Lobo   +16 more
semanticscholar   +1 more source

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