Zobrazeno 1 - 10
of 1 432
pro vyhledávání: '"ICESat‐2"'
Publikováno v:
Earth, Planets and Space, Vol 76, Iss 1, Pp 1-16 (2024)
Abstract The Ice, Cloud, and Land Elevation Satellite-2 (ICESat-2) has great potential for development due to its advantages of the use of multiple beams, low energy consumption, high repetition frequency, and high measurement sensitivity. However, t
Externí odkaz:
https://doaj.org/article/2a854f765f8c451fa9b03ea51a54eb30
Publikováno v:
International Journal of Digital Earth, Vol 17, Iss 1, Pp 1-30 (2024)
ABSTRACTSpaceborne photon-counting light detection and ranging (LiDAR) have been extensively applied in shallow-water bathymetry. The density of underwater topographic photons (UTP) varies and is discontinuous due to sunlight noise, beam intensity, a
Externí odkaz:
https://doaj.org/article/9eb3039446f24a94bd26aa05dd3ec9db
Publikováno v:
Remote Sensing in Ecology and Conservation, Vol 10, Iss 4, Pp 500-516 (2024)
Abstract Peatlands in the Canadian boreal forest are being negatively impacted by anthropogenic climate change, the effects of which are expected to worsen. Peatland types and sub‐classes vary in their ecohydrological characteristics and are expect
Externí odkaz:
https://doaj.org/article/99b8ccdce87442d48ccb2a4062cf4798
Publikováno v:
International Journal of Applied Earth Observations and Geoinformation, Vol 134, Iss , Pp 104232- (2024)
Accurate bathymetric data is crucial for various aspects such as marine resource exploitation and marine ecological conservation. Currently, satellite-derived bathymetry (SDB) based on empirical and physical models has been widely utilized in constru
Externí odkaz:
https://doaj.org/article/9cab6af055494d8495f58ef5378b336d
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 17739-17752 (2024)
Many current satellite-derived bathymetry methods usually rely on in-situ water depth, which limits their applications. In this study, an ICESat-2 assisted dual-band model (IDBM) is proposed, which can be used to derive bathymetry independent of in-s
Externí odkaz:
https://doaj.org/article/c231f7f604f24caaaa32a2bec1fcdcd7
Publikováno v:
International Journal of Applied Earth Observations and Geoinformation, Vol 135, Iss , Pp 104263- (2024)
Supervised classification methods can distinguish between noise and signal in ice, cloud, and land elevation satellite-2 (ICESat-2) data across various feature perspectives and autonomously optimize parameters. Nevertheless, model generalization rema
Externí odkaz:
https://doaj.org/article/35fc5dd97fee4923a9b36929c08db4ee
Publikováno v:
Journal of Hydrology X, Vol 25, Iss , Pp 100190- (2024)
Our understanding of the impact of climate change on water availability and natural hazards in high-mountain regions is limited due to the spatial and temporal scarcity of ground observations of precipitation and snow. Freely available, satellite-bas
Externí odkaz:
https://doaj.org/article/c1466ea1979a4b8d9b3e1ab37347688b
Publikováno v:
GIScience & Remote Sensing, Vol 61, Iss 1 (2024)
Forest canopy height (FCH) is one of the most important variables for carbon stock estimation. While many studies have focused on extracting FCH from spaceborne LiDAR in regions with spatially continuous and large patch sizes of forested lands, limit
Externí odkaz:
https://doaj.org/article/a60163866b394d60b7557a18c72a5960
Publikováno v:
International Journal of Digital Earth, Vol 17, Iss 1 (2024)
The accuracy of digital elevation models (DEMs) is crucial for practical applications in complex terrain. In this study, various correction models were employed to evaluate and correct the 90 m SRTM3 DEM and TanDEM-X DEM data in the Qinghai-Tibet Pla
Externí odkaz:
https://doaj.org/article/1a8a8462a160462c9bcd42e7f59173c8
Autor:
Binbin Li, Huan Xie, Shijie Liu, Yuanting Xi, Changda Liu, Yusheng Xu, Zhen Ye, Zhonghua Hong, Qihao Weng, Yuan Sun, Qi Xu, Xiaohua Tong
Publikováno v:
International Journal of Digital Earth, Vol 17, Iss 1 (2024)
The ICESat-2 satellite equipped with a new photon-counting laser altimeter has received much attention as a source of accurate elevation observations. However, in this research field, there is a lack of an open-source high-accuracy elevation control
Externí odkaz:
https://doaj.org/article/60153d0d9cdd473997f3eb7dd358145a