Results 51 to 60 of about 2,001 (206)

Radiometric Cross-calibration of KOMPSAT-3A with Landsat-8 [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
In this study, Cross calibration was conducted at the Libya 4 PICS site on 2015 using Landsat-8 and KOMPSAT-3A. Ideally a cross calibration should be calculated for each individual scene pair because on any given date the TOA spectral profile is ...
D. Y. Shin   +4 more
doaj   +1 more source

Machine Learning‐Based Turbulence Intensity Estimation Near Convective Clouds in East Asia Using GK‐2A Satellite Observations

open access: yesGeophysical Research Letters, Volume 52, Issue 23, 16 December 2025.
Abstract The detection of atmospheric turbulence, particularly near deep convection, are essential for flight safety and efficiency. Geostationary satellites provide continuous coverage where radar is unavailable, but their lack of vertical information limits detection to upper levels.
Yoonjin Lee   +2 more
wiley   +1 more source

The Dzhungarian fault: Late Quaternary tectonics and slip rate of a major right-lateral strike-slip fault in the northern Tien Shan region [PDF]

open access: yes, 2013
The Dzhungarian strike-slip fault of Central Asia is one of a series of long, NW-SE right-lateral strike-slip faults that are characteristic of the northern Tien Shan region and extends over 300 km from the high mountains into the Kazakh Platform.
Abdrakhmatov, K   +6 more
core   +3 more sources

Sub‐Seasonal Impact of GNSS Radio Occultation Data

open access: yesGeophysical Research Letters, Volume 52, Issue 21, 16 November 2025.
Abstract This study investigates for the first time whether the assimilation of the Global Navigation Satellite System Radio occultation (GNSS‐RO) data has a significant impact on the European Centre for Medium‐Range Weather Forecasts sub‐seasonal forecasts.
K. Lonitz   +3 more
wiley   +1 more source

The egiin davaa prehistoric rupture, central mongolia: A large magnitude normal faulting earthquake on a reactivated fault with little cumulative slip located in a slowly deforming intraplate setting [PDF]

open access: yes, 2017
The prehistoric Egiin Davaa earthquake rupture is well-preserved in late Quaternary deposits within the Hangay Mountains of central Mongolia. The rupture is expressed by a semicontinuous 80 km-long topographic scarp.
Bayasgalan, A   +9 more
core  

An Impacting Descent Probe for Europa and the other Galilean Moons of Jupiter [PDF]

open access: yes, 2017
We present a study of an impacting descent probe that increases the science return of spacecraft orbiting or passing an atmosphere-less planetary body of the solar system, such as the Galilean moons of Jupiter.
Auster, U.   +12 more
core   +2 more sources

Comprehensive Analysis of Bias in TEMPO NO2 Column Densities Through Pandora Observations

open access: yesJournal of Geophysical Research: Atmospheres, Volume 130, Issue 15, 16 August 2025.
Abstract Tropospheric Emissions: Monitoring of Pollution (TEMPO) is the first geostationary satellite instrument to monitor air pollutants across North America. This study uses Pandora observations to analyze the bias in TEMPO Level‐3 total column density of NO2 (TOTNO2) from August 2023 to December 2024.
Masoud Ghahremanloo   +10 more
wiley   +1 more source

RF Compatibility Test Between KOMPSAT and TTC Station [PDF]

open access: yesJournal of Astronomy and Space Sciences, 1999
Results of RF compatibility test between KOMPSAT(Korea Multi-Purpose SATellite) and TTC(Tracking, Telemetry, and Command) station are described. S/C(Spacecreft) RF Test, telemetry test, command test, ranging test, and tracking receiver test were ...
Sang-Il Ahn, Hae-Jin Choi
doaj  

Commercial Satellite Imagery as an Evolving Open-Source Verification Technology: Emerging Trends and Their Impact for Nuclear Nonproliferation Analysis [PDF]

open access: yes, 2015
One evolving and increasingly important means of verification of a State’s compliance with its international security obligations involves the application of publicly available commercial satellite imagery.
PABIAN FRANK
core   +1 more source

Systematic Slowing of Initially Rapid Retreat of New Coasts Formed by Historical Eruptions in Volcanic Islands

open access: yesJournal of Geophysical Research: Earth Surface, Volume 130, Issue 8, August 2025.
Abstract Due to their exposure to waves, volcanic island coasts typically retreat with cliff collapses and other erosional processes. Understanding how retreat rates vary over time and in response to environmental and other factors could be useful for geohazard assessment, coastal management and landform reconstruction.
Zhongwei Zhao   +3 more
wiley   +1 more source

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