Zobrazeno 1 - 10
of 706
pro vyhledávání: '"forest height"'
Publikováno v:
Geo-spatial Information Science, Vol 27, Iss 3, Pp 811-821 (2024)
Accurate estimation of forest terrain and canopy height is crucial for timely understanding of forest growth. Gao Fen-7 (GF-7) Satellite is China’s first sub-meter-level three-dimensional (3D) mapping satellite for civilian use, which was equipped
Externí odkaz:
https://doaj.org/article/b672973c7e574a06a3682fff1c4918f8
Publikováno v:
Geo-spatial Information Science, Vol 27, Iss 2, Pp 311-326 (2024)
ABSTRACTDue to the strong penetrability, long-wavelength synthetic aperture radar (SAR) can provide an opportunity to reconstruct the three-dimensional structure of the penetrable media. SAR tomography (TomoSAR) technology can resynthesize aperture p
Externí odkaz:
https://doaj.org/article/c8d812754c234c2baa97a1e9fd9339d1
Publikováno v:
International Journal of Applied Earth Observations and Geoinformation, Vol 130, Iss , Pp 103886- (2024)
Forest height, as a measure of the quantity and quality of forest resources, plays a significant role in the study of the ecological functions performed by forests. Although the polarimetric synthetic aperture radar interferometry (PolInSAR) techniqu
Externí odkaz:
https://doaj.org/article/42c8c1302671407a9dc1e7dd0197c884
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 17876-17889 (2024)
Accurate estimation of forest aboveground biomass (AGB) is crucial for research on terrestrial carbon cycling and global climate change. In this study, we introduce an improved approach for estimating forest AGB combining P-band and X-band interferom
Externí odkaz:
https://doaj.org/article/644e9d688a4c4999a75d67dbe824cabe
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 10252-10265 (2024)
The model-based polarimetric interferometric synthetic aperture radar forest height inversion is inherently affected by nonideal system parameters, including channel imbalance, crosstalk, and noise. To investigate the impact of nonideal system parame
Externí odkaz:
https://doaj.org/article/066ba0c2c9f64f8c9cd61288e49c1cd7
Autor:
Tao Zhang, Haiqiang Fu, Jianjun Zhu, Juan M. Lopez-Sanchez, Cristina Gomez, Changcheng Wang, Wenjie He, Zhiwei Liu
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 5484-5499 (2024)
TanDEM-X interferometric synthetic aperture radar (InSAR) data have demonstrated promising advantages and potential in recent years for the inversion of forest height. InSAR coherence becomes the primary input feature when a precise digital terrain m
Externí odkaz:
https://doaj.org/article/62faa9404a724e39bd65d17e79254ee9
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 5001-5014 (2024)
This work presents the first results of canopy height mapping with L-Band SAOCOM data by means of Polarimetric SAR Interferometry (PolInSAR). For this study case, a colocated temporal series of SAOCOM fully polarimetric images covering the year 2021
Externí odkaz:
https://doaj.org/article/8b5f77285f6a4356abc6e0a27a260b78
Publikováno v:
International Journal of Digital Earth, Vol 16, Iss 2, Pp 4831-4847 (2023)
ABSTRACTIce, Cloud, and land Elevation Satellite-2 (ICESat-2) provides effective photon-counting light detection and ranging (LiDAR) data for estimating forest height across extensive geographical areas. Although prior studies have illustrated canopy
Externí odkaz:
https://doaj.org/article/fbfad4bbf6834bc292c44b9a88d39af0
Publikováno v:
Forests, Vol 15, Iss 9, p 1496 (2024)
As an important parameter of forest biomass, forest height is of great significance for the calculation of forest carbon stock and the study of the carbon cycle in large-scale regions. The main idea of the current forest height inversion methods usin
Externí odkaz:
https://doaj.org/article/067da8f105f9415fa37d941befe98f2c
Autor:
Martin Schwartz, Philippe Ciais, Catherine Ottlé, Aurelien De Truchis, Cedric Vega, Ibrahim Fayad, Martin Brandt, Rasmus Fensholt, Nicolas Baghdadi, François Morneau, David Morin, Dominique Guyon, Sylvia Dayau, Jean-Pierre Wigneron
Publikováno v:
International Journal of Applied Earth Observations and Geoinformation, Vol 128, Iss , Pp 103711- (2024)
In intensively managed forests in Europe, where forests are divided into stands of small size and may show heterogeneity within stands, a high spatial resolution (10–––20 m) is needed to capture the differences in canopy height. In this work, w
Externí odkaz:
https://doaj.org/article/f7a1ae044eb142aea4876509614d5c51