Results 111 to 120 of about 87,199 (308)

Characterization of Active Layer Thickening Rate over the Northern Qinghai-Tibetan Plateau Permafrost Region Using ALOS Interferometric Synthetic Aperture Radar Data, 2007-2009

Remote Sensing, 2017
The Qinghai-Tibetan plateau (QTP), also known as the Third Pole and the World Water Tower, is the largest and highest plateau with distinct and competing surface and subsurface processes.
Yuanyuan Jia, Jinwoo Kim, C. Shum, Zhong Lu, X. Ding, Lei Zhang, K. Erkan, C. Kuo, K. Shang, K. Tseng, Y. Yi   +10 more
semanticscholar   +1 more source

Long‐Wavelength Ionospheric Compensation of InSAR Time‐Series Based on Global Ionosphere Maps

Geophysical Research Letters, Volume 52, Issue 23, 16 December 2025.
Abstract Uncorrected long‐wavelength contributions remain a major limitation for interpreting InSAR time‐series over large areas (>100 km). Among them, the ionosphere can impact InSAR measurements across various timescales, potentially biasing secular velocity estimates.
L. Marconato, M.‐P. Doin, B. Lovery, L. Rolland, P. Durand   +4 more
wiley   +1 more source

Characterisation of resident space objects using multistatic interferometric inverse synthetic aperture radar imaging

IET Radar, Sonar & Navigation
This paper illustrates an interferometric inverse synthetic aperture radar based on three‐dimensional imaging and rotational velocity estimation from a multistatic setup with three ground‐based radars with non‐orthogonal baselines.
Manjunath Thindlu Rudrappa, Marcus Albrecht, Peter Knott   +2 more
doaj   +1 more source

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

, 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, Astort, Ana, Folguera Telichevsky, Andres, Nacif, Andres Antonio, Ruiz, Francisco, Sagripanti, Lucía, Walter, Thomas R   +6 more
core   +1 more source

Peatland Surface Motion: Terminology, Measurement Approaches, Models and Insights From a Global Dataset

Ecohydrology, Volume 18, Issue 8, December 2025.
ABSTRACT The surface of peatlands is constantly in motion. While pristine mires are characterized by peat growth and reversible surface fluctuation, induced by water level fluctuations, drained peatlands show subsidence due to peat mineralization and physical compaction. Still, drained peatlands show smaller but marked short‐term surface fluctuation as
Ronny Seidel, Ullrich Dettmann, Bärbel Tiemeyer   +2 more
wiley   +1 more source

Advanced InSAR atmospheric correction: MERIS/MODIS combination and stacked water vapour models [PDF]

, 2009
A major source of error for repeat-pass Interferometric Synthetic Aperture Radar (InSAR) is the phase delay in radio signal propagation through the atmosphere (especially the part due to tropospheric water vapour).
Argus D. F., Bawden G. W., Bennartz R., E. J. Fielding, ESA, Fialko Y., Hoffmann J., Li Z., Li Z., Li Z., Li Z., Lin Q., Nishihama M., P. Cross, R. Preusker, Rosen P. A., Watson K. M., Wright T. J., Wylie D. P., Zhenhong Li   +19 more
core   +1 more source

Sentinel‐1 SAR Estimates of Snowmelt Onset Coincide With SNOTEL Soil Moisture Pulses Across the Western United States

Hydrological Processes, Volume 39, Issue 12, December 2025.
This study integrates repeated in situ measurements, data from 260 SNOw TELemetry (SNOTEL) stations, and paired Sentinel‐1 SAR observations across the Western United States to assess snowpack evolution prior to and after Sentinel‐1 SAR‐derived snowmelt runoff onset.
Ally Detre, Daniel McGrath, Eric Gagliano, Randall Bonnell, Ryan Webb, Hans‐Peter Marshall, David Shean   +6 more
wiley   +1 more source

Mass movement susceptibility mapping using satellite optical imagery compared with InSAR monitoring: Zigui County, Three Gorges region, China [PDF]

, 2010
Mass movements on steep slopes are a major hazard to communities and infrastructure in the Three Gorges region, China. Developing susceptibility maps of mass movements is therefore very important in both current and future land use planning.
Drummond, J, Du, P, Hoey, T, Kincal, C, Li, Z, Liu, P, Muller, JP, Qu, W, Singleton, A, Zeng, Q, Zhang, J   +10 more
core  

A History of UNAVCO: Four Decades of Advancing Geodesy

Perspectives of Earth and Space Scientists, Volume 6, Issue 1, December 2025.
Abstract UNAVCO was a university‐governed consortium funded by the National Science Foundation (NSF), with support from the National Aeronautics and Space Administration (NASA) and the United States Geological Survey (USGS), to support geoscience research and education using geodesy.
Emily E. Zawacki, Donna J. Charlevoix, Charles M. Meertens, Jeffrey T. Freymueller, Tonie van Dam   +4 more
wiley   +1 more source

UAVSAR Active Electronically Scanned Array [PDF]

The Uninhabited Airborne Vehicle Synthetic Aperture Radar (UAVSAR) is a pod-based, L-band (1.26 GHz), repeatpass, interferometric, synthetic aperture radar (InSAR) used for Earth science applications.
Brown, Kyle M., Chamberlain, Neil F., Figueroa, Harry S., Fisher, Charles D., Grando, Maurio B., Hamilton, Gary A., Jones, Cathleen E., Sadowy, Gregory, A., Vorperian, Vatche, Zawadzki, Mark S.   +9 more
core   +1 more source