Results 81 to 90 of about 22,485 (263)

Satellite Geodesy Captures Offset Magma Supply Associated With Lava Lake Appearance at Masaya Volcano, Nicaragua

open access: yesGeophysical Research Letters, 2018
Ascending and descending Interferometric Synthetic Aperture Radar data sets from various satellites (CSK, RSAT‐2, ALOS‐2, and Sentinel‐1) show a maximum of ∼8 cm ground inflation in Masaya caldera over a 10 month period (6 November 2015 to 1 September ...
K. J. Stephens, C. Wauthier
doaj   +1 more source

Application of DInSAR for short period monitoring of initial subsidence due to longwall mining in the mountain west United States

open access: yesInternational Journal of Mining Science and Technology, 2020
Differential Interferometric Synthetic Aperture Radar (DInSAR), a satellite-based remote sensing technique, has application for monitoring subsidence with high resolution over short periods.
Jessica M. Wempen
doaj   +1 more source

A Versatile Processing Chain for Experimental TanDEM-X Product Evaluation [PDF]

open access: yes, 2010
TanDEM-X is a high-resolution interferometric mission with the main goal of providing a global digital elevation model (DEM) of the Earth surface by means of single-pass X-band SAR interferometry.
Krieger, Gerhard   +6 more
core  

Unrest at Domuyo Volcano, Argentina, detected by geophysical and geodetic data and morphometric analysis [PDF]

open access: yes, 2019
New volcanic unrest has been detected in the Domuyo Volcanic Center (DVC), to the east of the Andes Southern Volcanic Zone in Argentina. To better understand this activity, we investigated new seismic monitoring data, gravimetric and magnetic campaign ...
Acosta, Gemma   +6 more
core   +1 more source

Rapid Land Surface Uplift and Groundwater Recovery Observed During the Syrian War

open access: yesGeophysical Research Letters, Volume 53, Issue 7, 16 April 2026.
Abstract Recent geopolitical upheaval in Syria is driving regional growth by returning populations, which increases demands on water resources. In northwest Syria, widespread cropland abandonment during the Syrian War starting in 2011 drastically changed the hydrological regime of the region.
Saeed Mhanna   +5 more
wiley   +1 more source

Non-uniform phase filter for Tiangong-2 Interferometric Imaging Radar Altimeter

open access: yesThe Journal of Engineering, 2019
The interferometric imaging radar altimeter (InIRA) on-board Chinese Tiangong-2 space laboratory is a Ku-band interferometric radar whose major aim is to measure the wide-swath ocean topography. Unlike traditional interferometric synthetic aperture radar
Xiao Dong, Yunhua Zhang, Yunhua Zhang
doaj   +1 more source

Inpainting of Cyclic Data using First and Second Order Differences [PDF]

open access: yes, 2014
Cyclic data arise in various image and signal processing applications such as interferometric synthetic aperture radar, electroencephalogram data analysis, and color image restoration in HSV or LCh spaces.
Bergmann, Ronny, Weinmann, Andreas
core   +1 more source

A Shape Optimization Approach for Inferring Sources of Volcano Ground Deformation

open access: yesGeophysical Research Letters, Volume 53, Issue 7, 16 April 2026.
Abstract One of the main goals of volcano geodesy is to improve the understanding of how an increase in pressure related to magma accumulation causes ground deformation in order to evaluate volcanic unrest. The inversion methods used for this purpose rely on a parametrization of the shape of the crustal volume in which pressure changes due to magma ...
Théo Perrot   +2 more
wiley   +1 more source

Imaging ionospheric inhomogeneities using spaceborne synthetic aperture radar [PDF]

open access: yes, 2011
We present a technique and results of 2-D imaging of Faraday rotation and total electron content using spaceborne L band polarimetric synthetic aperture radar (PolSAR).
Chapman, B.   +4 more
core   +2 more sources

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