Results 11 to 20 of about 14,645 (100)

Application of Sntinel-1 radar interferometric images for the monitoring of vertical displacements of the earth’s surface affected by non-tidal atmospheric loading

open access: yesГеофизический журнал, 2023
The vertical movements of the Earth’s surface affected by non-tidal atmospheric loading (NTAL) are analyzed using satellite radar interferometry data. A clear relationship between deformation maps data derived from radar interferometry data and the GNSS ...
K.R. Tretyak, D.V. Kukhtar
doaj   +1 more source

The Copernicus EMS Validation service as a vector for improving the emergency mapping based on Sentinel data

open access: yesRevista de Teledetección, 2020
The Copernicus Emergency Management Service (CEMS) is coordinated by the European Commission and “provides all actors involved in the management of natural disasters, man-made emergency situations, and humanitarian crises with timely and accurate geo ...
U. Donezar-Hoyos   +13 more
doaj   +1 more source

Deep Forest classifier for wetland mapping using the combination of Sentinel-1 and Sentinel-2 data

open access: yesGIScience & Remote Sensing, 2021
Wetlands are among the most important, yet in danger ecosystems and play a vital role for the well-being of humans as well as flora and fauna. Over the past few years, state-of-the-art deep learning (DL) tools have gained attention for wetland ...
Ali Jamali   +5 more
doaj   +1 more source

Lithology classification of igneous rocks using C-band and L-band dual-polarization SAR data

open access: yesOpen Geosciences, 2023
Distinguishing different kinds of igneous rocks is difficult because of their subtle differences. Synthetic aperture radar (SAR) is sensitive to rock surface morphology, which can help a lot in classification. Dual-pol SAR data have the advantages of low
Guo Senmiao   +4 more
doaj   +1 more source

Sample-free automated mapping of double-season rice in China using Sentinel-1 SAR imagery

open access: yesFrontiers in Environmental Science, 2023
Introduction: Timely and accurately mapping the spatial distribution of rice is of great significance for estimating crop yield, ensuring food security and freshwater resources, and studying climate change.
Xi Zhang   +8 more
doaj   +1 more source

Crop NDVI Monitoring Based on Sentinel 1

open access: yesRemote Sensing, 2019
Monitoring agricultural crops is necessary for decision-making in the field. However, it is known that in some regions and periods, cloud cover makes this activity difficult to carry out in a systematic way throughout the phenological cycle of crops ...
Roberto Filgueiras   +4 more
doaj   +1 more source

Assessing the impact of drought stress on grasslands using multi-temporal SAR data of Sentinel-1: a case study in Eastern Cape, South Africa

open access: yesEuropean Journal of Remote Sensing, 2020
Grasslands are a major component of the natural vegetation in South Africa, it covers almost one-third of the country’s land surface. The current study focuses on assessing the impact of drought stress on communal and commercial grasslands in Eastern ...
Ayman Abdel-Hamid   +3 more
doaj   +1 more source

Three-dimensional movement inversion of Shisha Pangma glacier using Sentinel-1 and Landsat8 images

open access: yesZhongguo dizhi zaihai yu fangzhi xuebao, 2022
SAR offset and optical offset are important techniques for glacier movement monitoring, but there are few researches on 3D deformation by integrating images from different platforms.
Chunrui WEI   +4 more
doaj   +1 more source

Change in regional land subsidence in Beijing after south-to-north water diversion project observed using satellite radar interferometry

open access: yesGIScience & Remote Sensing, 2020
Over-exploitation of groundwater has caused severe land subsidence in Beijing during the past two decades. Since the middle route of South-to-North Water Diversion Project (SNWDP), the biggest water diversion project in China, started to deliver water to
Mingyuan Lyu   +6 more
doaj   +1 more source

Mapping of bamboo forest bright and shadow areas using optical and SAR satellite data in Google Earth Engine

open access: yesGeocarto International, 2023
Bamboo groves predominantly thrive in tropical or subtropical regions. Assessing the efficacy of remote sensing data of various types in extracting bamboo forest information from bright and shadow areas is a critical issue for achieving precise ...
Songyang Xiang   +9 more
doaj   +1 more source

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