Document Type

Article

Publication Title

Journal of Glaciology

Publisher

International Glaciological Society

Publication Date

1998

Volume

44

Issue

146

Disciplines

Earth Sciences | Glaciology

Abstract

High-resolution maps of the glacier bed are developed through a pseudo-three-dimensional migration of a dense array of radio-echo sounding profiles. Resolution of three-dimensional maps of sub-glacial surfaces is determined by the radio-echo sounding wavelength, data spacing in the field, and migration. Based on synthetic radio-echo sounding profile experiments, the maximum resolution of the final map cannot exceed one half-wavelength. A methodology of field and processing techniques is outlined to develop a maximum-resolution map of the glacier bed. The field and processing techniques valley glacier in south-central Alaska. The field techniques and the processing steps used on the glacier result in a map of 20 m x 20 m resolution.

Comments

Publisher: http://www.igsoc.org/

Rights

© International Glaciological Society

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