Results 81 to 90 of about 88,563,041 (168)
Google Earth Engine was utilised to assess snow cover area (SCA) across eight Upper Indus Basin (UIB) subbasins, employing ARIMA for prediction and comparing MODIS datasets using Dunn's test. Spatiotemporal changes were analysed using MK, Sen's slope, and other statistical tests.
Hafsa Muzammal +4 more
wiley +1 more source
This study proposes a Gated and Cross‐Dynamically Enhanced Network (GCD‐Net) for accurate extraction of offshore raft aquaculture from Sentinel‐2 imagery. GCD‐Net integrates novel gated residual blocks, cross‐guided attention, and dynamic attention ASPP modules to enhance feature representation and boundary precision.
Yu Wang +4 more
wiley +1 more source
Pre-Launch Radiometric Characterization of EMI-2 on the GaoFen-5 Series of Satellites
The environmental trace gas monitoring instrument (EMI) is a space-borne imaging spectrometer onboard GaoFen-5, which was launched in May 2018, covering wavelengths in the range of 240–710 nm to measure NO2, O3, HCHO, and SO2.
Haijin Zhou +7 more
core +1 more source
Error Source Analysis and Correction of GF-3 Polarimetric Data
The GaoFen-3 (GF-3) satellite is the first polarimetric synthetic aperture radar (PolSAR) satellite in China. With a designed in-orbit life of 8 years, it will provide large amounts of PolSAR data for ocean monitoring, disaster reduction, and many other ...
Sha Jiang +4 more
doaj +1 more source
Distribution map of peaks in mountainous area of the Yesanpo National Park.
(Republished from [https://directory.eoportal.org/web/eoportal/satellite-missions/g/gaofen-2] under a CC BY license, with permission from [Hebei Zhongke Sino Star Information Technology Co., Ltd], original copyright [2018]).
Anchen Qin (12475863), Zhe Jia (408491)
core +1 more source
Remote sensing image of the Yesanpo National Park.
(Republished from [https://directory.eoportal.org/web/eoportal/satellite-missions/g/gaofen-2] under a CC BY license, with permission from [Hebei Zhongke Sino Star Information Technology Co., Ltd], original copyright [2018]).
Anchen Qin (12475863), Zhe Jia (408491)
core +1 more source
Decimeter-Level Geolocation Accuracy Updated by a Parametric Tropospheric Model with GF-3
GaoFen-3 (GF-3) is a multi-polarization C-band synthetic aperture radar (SAR) satellite in China with a resolution of up to 1 m. Up to now, the geolocation accuracy of GF-3 could be improved to 3 m. According to the current study, there still exist meter-
Wentao Wang, Jiayin Liu, Xiaolan Qiu
doaj +1 more source
Utilizing Gaofen-3 InSAR time series to reveal land subsidence in Beijing (China)
Various applications have been achieved by Gaofen-3 images, while the time series interferometric synthetic aperture radar (TS-InSAR) analysis was rare due to the issues with baseline instability.
Yakun Han (17880577) +7 more
core +1 more source
Block Adjustment without GCPs for Chinese Spaceborne SAR GF-3 Imagery
The Gaofen-3 (GF-3) satellite is the first C-band multi-polarization synthetic aperture radar (SAR) with the ability of high-accuracy mapping in China. However, the Ground Control Points (GCPs) are essential to ensure the accuracy of mapping for GF-3 SAR
Guo Zhang +9 more
doaj +1 more source
DSM Quality Assessment of GF-7 Satellite [PDF]
The Gaofen-7 (GF-7) satellite was launched on November 3, 2019. It can achieve 1:10000 scale stereo mapping and serve the application needs of basic surveying and mapping, natural resources monitoring and geographic information resource construction ...
Y. Li +5 more
core +2 more sources

