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Excitation thresholds of field-aligned irregularities and associated ionospheric hysteresis at very high latitudes observed using SPEAR-induced HF radar backscatter

D. M. Wright, R. S. Dhillon, T. K. Yeoman, T. R. Robinson et al. • Annales Geophysicae (2009)

On 10 October 2006 the SPEAR high power radar facility was operated in a power-stepping mode where both CUTLASS radars were detecting backscatter from the SPEAR-induced field-aligned irregularities (FAIs). The effective radiated power of...

DOAJ Open Access (DOAJ) DOI: 10.5194/angeo-27-2623-2009

Observations on Stratospheric-Mesospheric-Thermospheric temperatures using Indian MST radar and co-located LIDAR during Leonid Meteor Shower (LMS)

R. Selvamurugan, R. Selvamurugan, R. Selvamurugan, C. V. Devasia et al. • Annales Geophysicae (2002)

The temporal and height statistics of the occurrence of meteor trails during the Leonid meteor shower revealed the capability of the Indian MST radar to record large numbers of meteor trails. The distribution of radio meteor trails du...

DOAJ Open Access (DOAJ) DOI: 10.5194/angeo-20-1869-2002

Seismic-induced accelerations detected by two parallel gravity meters in continuous recording with a high sampling rate at Etna volcano

P. Stefanelli, A. Sicali, I. Loretti, C. Del Negro et al. • Annals of Geophysics (2008)

We analyse a microgravity data set acquired from two spring LaCoste & Romberg gravity meters operated in parallel at the same site on Etna volcano (Italy) for about two months (August – September 2005). The high sampling rate acquisitio...

DOAJ Open Access (DOAJ) DOI: 10.4401/ag-4441

Two-Stage Framework for Efficient UAV-Based Wildfire Video Analysis With Adaptive Compression and Fire Source Detection

Yanbing Bai, Rui-Yang Ju, Lemeng Zhao, Junjie Hu et al. • IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (2026)

Uncrewed Aerial Vehicles (UAVs) have become increasingly important in disaster emergency response by facilitating aerial video analysis. Due to the limited computational resources available on UAVs, large models cannot be run efficiently fo...

DOAJ Open Access (DOAJ) DOI: 10.1109/JSTARS.2026.3685660

MFEFNet: An Efficient Network for Infrared Small Target Detection With Multiview Feature Extraction and Multiscale Attention Fusion

Liu Zhang, Zongchen Zhao, Xueying Lv, Xuanyun Zhang et al. • IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (2026)

Infrared small target detection (IRSTD) remains a core challenge in remote sensing, mainly due to low signal-to-noise ratios, small target sizes, background interference, and large-scale variations. Although existing methods have achieved p...

DOAJ Open Access (DOAJ) DOI: 10.1109/JSTARS.2026.3685006

Neural computing in geophysics

Michael D. McCormack • The Leading Edge (1991)

The 17th century philosopher-mathematician Rene Descartes offered the statement “Cogito, ergo sum” or “I think, therefore I am” as proof of his personal existence. While modern computers using artificial intelligence technologies cannot mat...

OPENALEX DOI: https://doi.org/10.1190/1.1436771

Glacier Geophysics

Barclay Kamb • Science (1964)

From physical measurements on glaciers and experimental studies of ice properties a framework of concept and theory is being built which bids fair to place glaciers among the more quantitatively understandable phenomena in the earth science...

OPENALEX DOI: https://doi.org/10.1126/science.146.3642.353

Geophysics in Engineering Investigations

P. W. McDowell, Ron D. Barker, Anthony Butcher, M. G. Culshaw et al. • OpenGrey (Institut de l'Information Scientifique et Technique) (2002)

The Construction Directorate of the DTI supports the programme of innovation and research to improve the construction industry's performance and to promote more sustainable construction. Its main aims are to improve quality and value for mo...

OPENALEX

Gondwana Six: Structure, Tectonics, and Geophysics

Garry D. McKenzie, Ohio State University, International Gondwana Symposium < 1985, Institute of Polar Studies, Ohio State University> • Geophysical monograph (1987)

This volume contains ma ny of the papers presented at the Sixth International Gondwana Symposium, held at the Institute of Polar Studies, The Ohio State University, Columbus, Ohio, August 19-23, 1985. The symposium was the first held outsid...

OPENALEX DOI: https://doi.org/10.1029/gm040

Anomalous effect in Schumann resonance phenomena observed in Japan, possibly associated with the Chi-chi earthquake in Taiwan

M. Hayakawa, K. Ohta, A. P. Nickolaenko, A. P. Nickolaenko et al. • Annales Geophysicae (2005)

The Schumann resonance phenomenon has been monitored at Nakatsugawa (near Nagoya) in Japan since the beginning of 1999, and due to the occurance of a severe earthquake (so-called Chi-chi earthquake) on 21 September 1999 in Taiwan we have...

DOAJ Open Access (DOAJ) DOI: 10.5194/angeo-23-1335-2005

Comparison of the GOSAT TANSO-FTS TIR CH volume mixing ratio vertical profiles with those measured by ACE-FTS, ESA MIPAS, IMK-IAA MIPAS, and 16 NDACC stations

K. S. Olsen, K. Strong, K. A. Walker, K. A. Walker et al. • Atmospheric Measurement Techniques (2017)

The primary instrument on the Greenhouse gases Observing SATellite (GOSAT) is the Thermal And Near infrared Sensor for carbon Observations (TANSO) Fourier transform spectrometer (FTS). TANSO-FTS uses three short-wave infrared (SWIR) band...

DOAJ Open Access (DOAJ) DOI: 10.5194/amt-10-3697-2017

Terrestrial Remote Sensing of Snowmelt in a Diverse High-Arctic Tundra Environment Using Time-Lapse Imagery

Daniel Kępski, Bartłomiej Luks, Krzysztof Migała, Tomasz Wawrzyniak et al. • Remote Sensing (2017)

Snow cover is one of the crucial factors influencing the plant distribution in harsh Arctic regions. In tundra environments, wind redistribution of snow leads to a very heterogeneous spatial distribution which influences growth conditions f...

DOAJ Open Access (DOAJ) DOI: 10.3390/rs9070733

Settlement process of radioactive dust to the ground inferred from the atmospheric electric field measurement

M. Yamauchi, M. Takeda, M. Makino, T. Owada et al. • Annales Geophysicae (2012)

Radioactive materials from the accident at Fukushima Dai-ichi nuclear power plant (FNPP) in March 2011 spread over a large area, increasing the atmospheric electric conductivity by their ionizing effect, and reducing the vertical (downwa...

DOAJ Open Access (DOAJ) DOI: 10.5194/angeo-30-49-2012

Generation of layering in the upper arctic troposphere away from the jet stream

A. Karpetchko, A. Karpetchko, E. Kyro, P. von der Gathen • Annales Geophysicae (2003)

Ozone sounding databases for two stations, So-dankylä (67° N, 27° E) and Ny-Ålesund (79° N, 12° E) were used in order to investigate the generation of layering in the upper and middle troposphere of the Arctic. We concentrated on dry,...

DOAJ Open Access (DOAJ) DOI: 10.5194/angeo-21-1653-2003

Water Tank Experiments on Stratified Flow over Double Mountain-Shaped Obstacles at High-Reynolds Number

Ivana Stiperski, Stefano Serafin, Alexandre Paci, Hálfdán Ágústsson et al. • Atmosphere (2017)

In this article, we present an overview of the HyIV-CNRS-SecORo (Hydralab IV-CNRS-Secondary Orography and Rotors Experiments) laboratory experiments carried out in the CNRM (Centre National de Recherches Météorologiques) large stratified wa...

DOAJ Open Access (DOAJ) DOI: 10.3390/atmos8010013

Landslide monitoring with interferometric SAR in Liugui, a vegetated area

Peter Tian-Yuan Shih, Huijung Wang, Kuo-Wei Li, Jyh-Jong Liao et al. • Terrestrial, Atmospheric and Oceanic Sciences (2019)

Interferometric SAR analysis with a time series of images obtained from satellite has been proven to be a useful monitoring scheme for geomorphological changes, particularly related to the vertical dimension. The success of this technique r...

DOAJ Open Access (DOAJ) DOI: 10.3319/TAO.2019.04.13.01