Results 11 to 20 of about 20,649 (261)

Fusion of sentinel-1 SAR and sentinel-2 MSI data for accurate Urban land use-land cover classification in Gondar City, Ethiopia

open access: yesEnvironmental Systems Research, 2023
Effective urban planning and management rely on accurate land cover mapping, which can be achieved through the combination of remote sensing data and machine learning algorithms.
Shimelis Sishah Dagne   +4 more
doaj   +1 more source

Quantitative estimation of sentinel-1A interferometric decorrelation using vegetation index

open access: yesFrontiers in Earth Science, 2022
Sentinel-1A data are widely used in interferometric synthetic aperture radar (InSAR) studies due to the free and open access policy. However, the short wavelength (C-band) of Sentinal-1A data leads to decorrelation in numerous applications, especially in
Jianping Pan   +4 more
doaj   +1 more source

SYNTHETIC APERTURE RADAR (SAR) BASED CLASSIFIERS FOR LAND APPLICATIONS IN GERMANY [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
Land cover information is essential for urban planning and for land cover change monitoring. This paper presents an overview of the work conducted at the Federal Agency for Cartography and Geodesy (BKG) with respect to Synthetic Aperture Radar (SAR ...
G. Suresh   +3 more
doaj   +1 more source

CLASSIFICATION OF ORCHARD CROP USING SENTINEL-1A SYNTHETIC APERTURE RADAR DATA [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018
A study was conducted in Saharanpur District of Uttar Pradesh to asses the potential of Sentinel-1A SAR Data in orchard crop classification. The objective of the study was to evaluate three different classifiers that are maximum likelihood classifier ...
H. Sahu, D. Haldar, A. Danodia, S. Kumar
doaj   +1 more source

Hubungan Dual Polametric SAR Band – C dan Landsat 8 untuk Identifikasi Potensi Kekeringan

open access: yesGeoid, 2021
Kekeringan merupakan salah satu bencana krusial dan kompleks yang dapat menimbulkan kerugian material dan immaterial. Kekeringan di indonesia dikategorikan beberapa jenis meliputi Kekeringan Pertanian, Kekeringan Meterologis, dan kekeringan Hidrologi ...
Hikmah Fajar Assidiq   +1 more
doaj   +1 more source

Sentinel-1A Product Geolocation Accuracy: Commissioning Phase Results [PDF]

open access: yesRemote Sensing, 2015
Sentinel-1A (S1A) is an Earth observation satellite carrying a state-of-the-art Synthetic Aperture Radar (SAR) imaging instrument. It was launched by the European Space Agency (ESA) on 3 April 2014. With the end of the in-orbit commissioning phase having been completed at the end of September 2014, S1A data products are already consistently providing ...
Adrian Schubert   +4 more
openaire   +2 more sources

Characteristics of Surface Deformation in Lanzhou with Sentinel-1A TOPS [PDF]

open access: yesGeosciences, 2020
While surface deformations and their impact on buildings have been observed in the city of Lanzhou, it is difficult to find studies of surface deformation and the influential factors in the recent decades. This study was designed to detect the spatial position of these surface deformations and to understand the mechanism behind them.
Yi He   +5 more
openaire   +2 more sources

Exploring the Impact of Seasonality on Urban Land-Cover Mapping Using Multi-Season Sentinel-1A and GF-1 WFV Images in a Subtropical Monsoon-Climate Region

open access: yesISPRS International Journal of Geo-Information, 2017
The objective of this research was to investigate the impact of seasonality on urban land-cover mapping and to explore better classification accuracy by using multi-season Sentinel-1A and GF-1 wide field view (WFV) images, and the combinations of both ...
Tao Zhou   +3 more
doaj   +1 more source

Sentinel-1A/B SAR calibration and performance status

open access: yes, 2021
Sentinel-1 (S-1) is the European flagship SAR mission initiated by European Space Agency and the European Commission. It is a constellation of two C-band twins satellite providing backscatter globally. The calibration and overall SAR performance of the mission is continuously assessed by the S-1 Mission Performance Center being a joint venture of ...
Miranda, Nuno   +10 more
openaire   +2 more sources

Mapping CORINE Land Cover from Sentinel-1A SAR and SRTM Digital Elevation Model Data using Random Forests

open access: yesRemote Sensing, 2015
The European CORINE land cover mapping scheme is a standardized classification system with 44 land cover and land use classes. It is used by the European Environment Agency to report large-scale land cover change with a minimum mapping unit of 5 ha every
Heiko Balzter   +3 more
doaj   +1 more source

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