Results 51 to 60 of about 4,491 (298)

A semi-automated, GIS-based framework for the mapping of supraglacial hydrology

open access: yesJournal of Glaciology, 2023
Supraglacial drainage networks play an integral role in both glacier dynamics and run-off timing, and mapping them provides insight into their role in glacial systems.
Eleanor A Bash   +6 more
doaj   +1 more source

Estimation of glacier ice extinction using long-wavelength airborne Pol-InSAR [PDF]

open access: yes, 2013
In recent years there has been increased interest in using synthetic aperture radar (SAR) to study and monitor glaciers and ice sheets for glaciological and climate change research.
Sharma, Jayanti   +3 more
core   +1 more source

MAPPING SVALBARD GLACIERS WITH THE CRYOWING UAS [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013
Abstract. The remoteness of most Svalbard glaciers makes it difficult to perform regular in situ monitoring, especially in the melting season. Terminus areas (into the sea) and crevassed areas are in practice only accessible from the air. In this paper, first investigations on the feasibility of UAS based 3D measurements of glacier elevation is ...
S. Solbø, R. Storvold
openaire   +3 more sources

Assessing ice-cliff backwasting and its contribution to total ablation of debris-covered Miage glacier, Mont Blanc massif, Italy [PDF]

open access: yes, 2014
Continuous surface debris cover strongly reduces the ablation of glaciers, but high melt rates may occur at ice cliffs that are too steep to hold debris.
Brock, B.w., Reid, Tim, Brock, Benjamin
core   +1 more source

Glacier area changes in Novaya Zemlya from 1986–89 to 2019–21 using object-based image analysis in Google Earth Engine

open access: yesJournal of Glaciology, 2023
Climate change has had a significant impact on glacier recession, particularly in the Arctic, where glacier meltwater is an important contributor to global sea-level rise.
Asim Ali   +5 more
doaj   +1 more source

Vertical profile reconstruction with Pol-InSAR data of a subpolar glacier [PDF]

open access: yes, 2007
The last decade has seen an increasing demand for accurate mapping and wide-coverage monitoring of glaciers and ice sheets in order to measure and predict their response to global climate change and their contribution to sea level rise.
Konstantinos P. Papathanassiou   +5 more
core   +1 more source

Explorative Study on Mapping Surface Facies of Selected Glaciers from Chandra Basin, Himalaya Using WorldView-2 Data

open access: yesRemote Sensing, 2019
Mapping of surface glacier facies has been a part of several glaciological applications. The study of glacier facies in the Himalayas has gained momentum in the last decade owing to the implications imposed by these facies on the melt characteristics of ...
Shridhar D. Jawak   +2 more
doaj   +1 more source

A near 90-year record of the evolution of El Morado Glacier and its proglacial lake, Central Chilean Andes

open access: yesJournal of Glaciology, 2020
Using an ensemble of close- and long-range remote sensing, lake bathymetry and regional meteorological data, we present a detailed assessment of the geometric changes of El Morado Glacier in the Central Andes of Chile and its adjacent proglacial lake ...
David Farías-Barahona   +13 more
doaj   +1 more source

Assessing Glacier Boundaries in the Ala-Archa Valley of Kyrgyzstan by Using Sentinel-1 SAR Dataset and High-Resolution UAV Imagery

open access: yesRemote Sensing, 2023
The significant retreat of glaciers in terms of climate change compels researchers to increase the frequency of studies regarding the transformations occurring in glacier boundaries. In this study, we provided glacier area delineation of Ala-Archa valley
Emilbek Zholdoshbekov   +3 more
doaj   +1 more source

A low-cost glacier-mapping system [PDF]

open access: yesJournal of Glaciology, 2000
AbstractAn old portable 60 MHz radar has been upgraded with a new digital data-processing and -acquisition system and a new antenna construction enabling a fast and low-cost installation on a Twin Otter aircraft. Augmented by a laser altimeter and kinematic global positioning system (GPS), the system has the capability of acquiring accurate data on ...
E. Lintz Christensen   +5 more
openaire   +1 more source

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