Zobrazeno 1 - 10
of 196
pro vyhledávání: '"Jay Gao"'
Autor:
Shuhong Qin, Hong Wang, Xiuneng Li, Jay Gao, Jiaxin Jin, Yongtao Li, Jinbo Lu, Pengyu Meng, Jing Sun, Zhenglin Song, Petar Donev, Zhangfeng Ma
Publikováno v:
Geo-spatial Information Science, Vol 27, Iss 5, Pp 1475-1488 (2024)
There is a growing interest in leveraging LiDAR-generated forest Aboveground Biomass (LG-AGB) data as a reference to retrieve AGB from satellite observations. However, the biases arising from the upscaling process and the impact of the sampling strat
Externí odkaz:
https://doaj.org/article/8fd104c63c64403a9403478e3cf09aea
Autor:
Xuying Ma, Bin Zou, Jun Deng, Jay Gao, Ian Longley, Shun Xiao, Bin Guo, Yarui Wu, Tingting Xu, Xin Xu, Xiaosha Yang, Xiaoqi Wang, Zelei Tan, Yifan Wang, Lidia Morawska, Jennifer Salmond
Publikováno v:
Environment International, Vol 183, Iss , Pp 108430- (2024)
Land use regression (LUR) models are widely used in epidemiological and environmental studies to estimate humans’ exposure to air pollution within urban areas. However, the early models, developed using linear regressions and data from fixed monito
Externí odkaz:
https://doaj.org/article/4283f08c07984b72b41528ac172996f6
Autor:
Yan Shi, Gary Brierley, George L. W. Perry, Jay Gao, Xilai Li, Alexander V. Prishchepov, Jiexia Li, Meiqin Han
Publikováno v:
Remote Sensing, Vol 16, Iss 11, p 1991 (2024)
Accurate estimation of livestock carrying capacity (LCC) and implementation of an appropriate actual stocking rate (ASR) are key to the sustainable management of grazing adapted alpine grassland ecosystems. The reliable determination of aboveground b
Externí odkaz:
https://doaj.org/article/a54dca2e1e1247bebe52f4ebf217e4d6
Autor:
Pengyu Meng, Hong Wang, Shuhong Qin, Xiuneng Li, Zhenglin Song, Yicong Wang, Yi Yang, Jay Gao
Publikováno v:
International Journal of Digital Earth, Vol 15, Iss 1, Pp 712-729 (2022)
The Yellow River Delta (YRD) has China's largest artificial Robinia pseudoacacia forest, which was planted in the late 1970s and suffered extensive dieback in the 1990s. The health grade of the R.pseudoacacia forest (named canopy vigor grade, CVG) co
Externí odkaz:
https://doaj.org/article/cd913af377a74d03a79237e578317a2a
Publikováno v:
Ecological Indicators, Vol 149, Iss , Pp 110144- (2023)
Wetlands serve as a critical habitat for many plants and animals. However, with urban expansion and other processes, the wetlands in China are lost at an alarming rate in recent decades. This study quantifies the pace of wetland loss in the past two
Externí odkaz:
https://doaj.org/article/ad02d09207294ddc8e21fd0f7f69df57
Publikováno v:
Geo-spatial Information Science, Vol 24, Iss 4, Pp 580-603 (2021)
Reliable estimation of region-wide rice yield is vital for food security and agricultural management. Field-scale models have increased our understanding of rice yield and its estimation under theoretical environmental conditions. However, they offer
Externí odkaz:
https://doaj.org/article/47bd9c3cea0a42cdaee2cda8e793f52a
Publikováno v:
Geo-spatial Information Science, Vol 24, Iss 4, Pp 695-710 (2021)
Paddy rice agriculture is practiced in both rain-fed and irrigated ecosystems in the Philippines. However, small farms are prevalent in the region, and current satellite-based mapping techniques do not distinguish between the two ecosystems at farm s
Externí odkaz:
https://doaj.org/article/6578d08930df4d6fbe54a0a0e2993fbb
Publikováno v:
Ecology and Evolution, Vol 11, Iss 9, Pp 3901-3916 (2021)
Abstract The hummock–depression micro‐topography characteristics of the alpine marshy wetland in Sanjiangyuan are indicative of wetland degradation and the process by which healthy wetlands are transformed into flat grasslands. The aim of the pre
Externí odkaz:
https://doaj.org/article/fd6c0b4d15ca4e979a61f1b1f1924433
Publikováno v:
Land, Vol 12, Iss 1, p 249 (2023)
The Defense Meteorological Satellite Program Operational Linescan System (DMSP/OLS) and the Suomi National Polar-Orbiting Partnership satellite’s Visible Infrared Imaging Radiometer Suite (NPP/VIIRS) nighttime light (NTL) data provide an adequate p
Externí odkaz:
https://doaj.org/article/6473d659701046c2b70405b98b18ba53
Publikováno v:
Land, Vol 12, Iss 1, p 80 (2022)
The swampy meadows atop the vast Qinghai–Tibet Plateau in West China fall into alpine, pediment, valley, floodplain, terrace, lacustrine, and riverine types according to their hydro-geomorphic properties. They have suffered degradation to various l
Externí odkaz:
https://doaj.org/article/f18aee737d394a8b9b2742fc88bc3e42