Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Weisheng Zeng"'
Autor:
Cancan Yang, Daoli Peng, Kai Deng, Ling Jiang, Mingwei Zhao, Weisheng Zeng, Yakui Shao, Ni Wang
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 18012-18024 (2024)
The global ecosystem dynamics investigation (GEDI) mission aims to provide large-scale, high-precision, and high-frequency measurements of the Earth's three-dimensional structures. However, uncertain geolocation error may hinder or restrict the furth
Externí odkaz:
https://doaj.org/article/533d73f0d1fe429087e2ace54ad47039
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-11 (2023)
Abstract In the realm of forest resource inventory and monitoring, stand-level biomass carbon models are especially crucial. In China, their importance is underscored as they form the bedrock for estimating national and international forest carbon st
Externí odkaz:
https://doaj.org/article/de136a58bf4b4287aa90fee07b7b27d5
Publikováno v:
Forests, Vol 15, Iss 8, p 1305 (2024)
Forest biomass and carbon storage models are crucial for inventorying, monitoring, and assessing forest resources. This study develops models specific to China’s diverse forests, offering a methodological foundation for national carbon storage esti
Externí odkaz:
https://doaj.org/article/ed1ea9d60f4c441fbea543edd81a322d
Autor:
Yan Zheng, Zhengyang Hou, Göran Ståhl, Ronald E. McRoberts, Weisheng Zeng, Erik Næsset, Terje Gobakken, Bo Li, Qing Xu
Publikováno v:
Forest Ecosystems, Vol 11, Iss , Pp 100245- (2024)
Remote sensing (RS) facilitates forest inventory across a wide range of variables required by the UNFCCC as well as by other agreements and processes. The Conventional model-based (CMB) estimator supports wall-to-wall RS data, while Hybrid estimators
Externí odkaz:
https://doaj.org/article/641ccdbe5a0a4b2399a731dbdd6d429d
Publikováno v:
Forests, Vol 15, Iss 5, p 775 (2024)
This study aimed to develop simultaneous models with universal applicability for the estimation of the main factors of forest stands based on airborne LiDAR data and to provide a reference for standardizing the approach and evaluation indices of main
Externí odkaz:
https://doaj.org/article/1deb907d9dee4089a453118d241589d1
Autor:
Hanyue Zhang, Zhongke Feng, Chaoyong Shen, Yudong Li, Zemin Feng, Weisheng Zeng, Guosheng Huang
Publikováno v:
Ecological Indicators, Vol 138, Iss , Pp 108814- (2022)
Forests play an important role in the global carbon cycle, and the growth of forest trees is essential to forest carbon sinks. It is necessary to explore the diameter at breast height (DBH) growth of trees and to quantify the effects of different fac
Externí odkaz:
https://doaj.org/article/bc9d13ddfea448c8a604b8372dc7636b
Publikováno v:
Forests, Vol 13, Iss 6, p 882 (2022)
Forest inventory data (FID) are important resources for understanding the dynamics of forest carbon cycling at regional and global scales. Developing carbon storage growth models and analyzing the difference and climate effect on carbon sequestration
Externí odkaz:
https://doaj.org/article/7cfb9219f57540d8ba453a6f6e3cdb35
Publikováno v:
Forests, Vol 13, Iss 3, p 468 (2022)
Tree height–diameter relationship is very important in forest investigation, describing forest structure and estimating carbon storage. Climate change may modify the relationship. However, our understanding of the effects of climate change on the h
Externí odkaz:
https://doaj.org/article/3ff7fc5ec4ce42ada989252e8e44eb33
Publikováno v:
Remote Sensing, Vol 14, Iss 6, p 1477 (2022)
Timely, accurate estimates of forest aboveground carbon density (AGC) are essential for understanding the global carbon cycle and providing crucial reference information for climate-change-related policies. To date, airborne LiDAR has been considered
Externí odkaz:
https://doaj.org/article/f49bf0f8a40047de8ecff85a5e246beb
Publikováno v:
Forests, Vol 11, Iss 11, p 1216 (2020)
Crown ratio (CR) and height to crown base (HCB) are important crown characteristics influencing the behavior of forest canopy fires. However, the labor-intensive and costly measurement of CR and HCB have hindered their wide application to forest fire
Externí odkaz:
https://doaj.org/article/9ad9531ada044821b419381c9b30dc86