Results 21 to 30 of about 561,233 (305)

Ice storm effects on the canopy structure of a northern hardwood forest after 8 years [PDF]

, 2009
Ice storms can cause severe damage to forest canopies, resulting in differential mortality among tree species and size classes and leading to long-lasting changes in the vertical structure and composition of the forest.
Hamburg, Steven P., Vadeboncoeur, Matthew A., Weeks, Brian C.   +2 more
core   +3 more sources

Modeling Compatible Single-Tree Aboveground Biomass Equations of Masson Pine (Pinus massoniana) in South China [PDF]

, 2012
In the background of facing up to the global climate change, it is becoming the inevitable demand to add forest biomass estimation to national forest resource monitoring.
Shou Zheng Tang, Wei Sheng Zeng
core   +2 more sources

The BIOMASS Level 2 Prototype Processor: Design and Experimental Results of Above-Ground Biomass Estimation

Remote Sensing, 2020
BIOMASS is ESA’s seventh Earth Explorer mission, scheduled for launch in 2022. The satellite will be the first P-band SAR sensor in space and will be operated in fully polarimetric interferometric and tomographic modes.
Francesco Banda, Davide Giudici, Thuy Le Toan, Mauro Mariotti d’Alessandro, Kostas Papathanassiou, Shaun Quegan, Guido Riembauer, Klaus Scipal, Maciej Soja, Stefano Tebaldini, Lars Ulander, Ludovic Villard   +11 more
doaj   +1 more source

Forest Height Mapping Using Feature Selection and Machine Learning by Integrating Multi-Source Satellite Data in Baoding City, North China

Remote Sensing, 2022
Accurate estimation of forest height is crucial for the estimation of forest aboveground biomass and monitoring of forest resources. Remote sensing technology makes it achievable to produce high-resolution forest height maps in large geographical areas ...
Nan Zhang, Mingjie Chen, Fan Yang, Cancan Yang, Penghui Yang, Yushan Gao, Yue Shang, Daoli Peng   +7 more
doaj   +1 more source

Attraction of Acorn-Infesting \u3ci\u3eCydia Latiferreana\u3c/i\u3e (Lepidoptera: Tortricidae) to Pheromone-Baited Traps [PDF]

, 2017
Males of acorn-infesting Cydia latiferreana are attracted to an equilibrium mixture of the four isomers of 8, 10-dodecadien-l-ol acetate, the virgin female-produced pheromone. Trap height relative to the height of trees in which traps are placed seems to
Galford, J. R, Peacock, J. W, Wright, S. L   +2 more
core   +2 more sources

A Machine-Learning Approach to PolInSAR and LiDAR Data Fusion for Improved Tropical Forest Canopy Height Estimation Using NASA AfriSAR Campaign Data

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2018
This paper investigates the benefits of integrating multibaseline polarimetric interferometric SAR (PolInSAR) data with LiDAR measurements using a machine-learning approach in order to obtain improved forest canopy height estimates.
Maryam Pourshamsi, Mariano Garcia, Marco Lavalle, Heiko Balzter   +3 more
doaj   +1 more source

Light-related variation in sapling architecture of three shade-tolerant tree species of the Mexican rain forest [PDF]

, 2008
The crown architecture of three shade-tolerant tree species (two subcanopy and one mid-canopy) was analyzed in relation to the light regime of the forest understorey.
Bongers, F., Martinez-Sanchez, J.L., Meave, J.   +2 more
core   +2 more sources

Spaceborne PolSAR Tomography for Forest Height Retrieval

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2017
Synthetic aperture radar (SAR) data with polarization diversity and multibaseline acquisition has the capability to resolve the structural information of the target. Three-dimensional (3-D) imaging using SAR tomography is an advance and recent technology that focuses on backscattered echoes not only in the 2-D plane defined by the azimuth and range ...
Shashi Kumar, Sushil Kumar Joshi, Himanshu Govil   +2 more
openaire   +1 more source

Evaluating the Impacts of Using Different Digital Surface Models to Estimate Forest Height with TanDEM-X Interferometric Coherence Data

Leida xuebao, 2020
In our previous studies, we demonstrated the usefulness of TanDEM-X interferometric bistatic mode with single polarization to obtain forest heights for the purposes of large area mapping.
CHEN Hao, HILL David A., WHITE Joanne C., CLOUDE Shane R.   +3 more
doaj   +1 more source

Height-diameter allometry for tropical forest in northern Amazonia

PLOS ONE, 2021
Height measurements are essential to manage and monitor forest biomass and carbon stocks. However, accurate estimation of this variable in tropical ecosystems is still difficult due to species heterogeneity and environmental variability. In this article, we compare and discuss six nonlinear allometric models parameterized at different scales (local ...
Robson Borges de Lima, Eric Bastos Görgens, Fernando Elias, Jadson Coelho de Abreu, Aldine Luiza Baia, Cinthia Pereira de Oliveira, Diego Armando Silva da Silva, Anderson Pedro Bernardina Batista, Robson Carmo Lima, Eleneide Doff Sotta, Rinaldo Luiz Caraciolo Ferreira, José Antônio Aleixo da Silva, Marcelino Carneiro Guedes   +12 more
openaire   +4 more sources