Výsledky vyhledávání - "Richard Delf"

Akademický článek

A comparison of automated approaches to extracting englacial-layer geometry from radar data across ice sheets

Autor: Richard Delf, Dustin M. Schroeder, Andrew Curtis, Antonios Giannopoulos, Robert G. Bingham

Publikováno v: Annals of Glaciology, Vol 61, Pp 234-241 (2020)

Radar surveys across ice sheets typically measure numerous englacial layers that can often be regarded as isochrones. Such layers are valuable for extrapolating age–depth relationships away from ice-core locations, reconstructing palaeoaccumulation

Externí odkaz: https://doaj.org/article/8a245f7955a24ae7a72ab86bdf7f2828

Zobrazit plný text záznamu

A sliced-3D approach to finite-difference time-domain modeling by optimizing perfectly matched layers

Autor: Antonios Giannopoulos, Richard Delf, Andrew Curtis, Robert Bingham

Publikováno v: Delf, R, Giannopoulos, A, Bingham, R G & Curtis, A 2021, ' A sliced-3D approach to finite-difference time-domain modeling by optimizing perfectly matched layers ', Geophysics, vol. 86, no. 6, pp. 1-39 . https://doi.org/10.1190/geo2020-0222.1

Finite-difference time-domain forward modeling is often used to gain a more quantitative understanding of the interactions between electromagnetic fields and targets. To undertake full 3D simulations, the computational demands are challenging, so sim

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fb364ae1380fcdfe5c89cfa20f83f2f3
https://doi.org/10.1190/geo2020-0222.1

Zobrazit plný text záznamu

Reanalysis of polythermal glacier thermal structure using radar diffraction focussing

Autor: Richard Delf, Robert G. Bingham, Andrew Curtis, Satyan Singh, Antonios Giannopoulos, Benjamin Schwarz, Chris P. Borstad

Publikováno v: Journal of Geophysical Research: Earth Surface
Delf, R, Bingham, R G, Curtis, A, Singh, S, Giannopoulos, A, Schwarz, B & Borstad, C P 2022, ' Reanalysis of polythermal glacier thermal structure using radar diffraction focussing ', Journal of Geophysical Research: Earth Surface, vol. 127, no. 2, e2021JF006382 . https://doi.org/10.1029/2021JF006382, https://doi.org/10.1029/2021JF006382

Ground-Penetrating Radar (GPR) is widely used on polythermal glaciers to image bed topography and detect internal scatter due to water inclusions in temperate ice. The glaciological importance of this is two-fold: bed topography is a primary componen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d925c4ac2efdb4a6f6c7c3a8e370392
https://gfzpublic.gfz-potsdam.de/pubman/item/item_5009292_2/component/file_5009938/5009292.pdf

Zobrazit plný text záznamu

The Global Environmental Monitoring Systems (GEMS) Constellation of Passive Microwave Satellite

Autor: Brian Sanders, Richard Delf, Albin J. Gasiewski, David Kraft, D. W. Gallaher, Roger Carter, Michael Hurowitz, Geoffrey Sasaki, Kun Zhang, William Hosack, Gregory Porter

The recent successful launch of the Orbital Micro Systems GEMS-1 IOD (Global Environmental Monitoring System In-orbit Demonstrator) satellite carrying the University of Colorado’s MiniRad 118-GHz imager/sounder instrument provides the basis for a n

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::550446d2f0bb83ea50f271513a632294
https://doi.org/10.5194/egusphere-egu2020-20026

Zobrazit plný text záznamu

Automated estimation of englacial radar velocity from zero offset data; implications for glacier bed topography retrieval

Autor: Richard Delf, Benjamin Schwarz, Robert Bingham, Satyan Singh, Antonios Giannopoulos, Andrew Curtis

Publikováno v: Abstracts

Ground Penetrating Radar (GPR) is widely used on polythermal and temperate glaciers to sound bed topography and investigate the hydrothermal conditions through detection of englacial radar scattering. Water held within micro- and macro-scale pores an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::80076d84b3ea7893472769cf6ee745d6
https://gfzpublic.gfz-potsdam.de/pubman/item/item_5001475

Zobrazit plný text záznamu

Application of diffraction wavefront tomography to GPR data from a glacier

Autor: Benjamin Schwarz, Alexander Bauer, Richard Delf, Dirk Gajewski

Publikováno v: Abstracts

In the recent years, the diffracted wavefield has gained increasing attention in the field of applied seismics. While classical seismic imaging and inversion schemes mainly focus on high-amplitude reflected measurements, the faint and often masked di

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c3aecc83c165193c81fc8c6c0df19262
https://gfzpublic.gfz-potsdam.de/pubman/item/item_5001474

Zobrazit plný text záznamu

A Sliced-3D FDTD approach as an alternative to 2D Ground Penetrating Radar modelling

Autor: Richard Delf, Nicholas R. J. Hulton, Andrew Curtis, Robert Bingham, Antonios Giannopoulos

Publikováno v: 2017 9th International Workshop on Advanced Ground Penetrating Radar (IWAGPR).

Ground penetrating radar (GPR) is a powerful tool for characterisation of the subsurface in a range of applications. Finite-difference time-domain (FDTD) forward modelling is often used to gain a more quantitative understanding of the interaction bet

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f671c6379aec5fd9b7b9d096df39c19d
https://doi.org/10.1109/iwagpr.2017.7996038

Zobrazit plný text záznamu

Vyhledávací nástroje:

Upřesnit hledání