Results 51 to 60 of about 1,380 (173)

Semi-Automated Mapping of Complex-Terrain Mountain Glaciers by Integrating L-Band SAR Amplitude and Interferometric Coherence

Remote Sensing, 2022
Mapping the outlines of glaciers has primarily relied on the interpretation of satellite optical images. However, the accurate delineation of glaciers in complex terrain mountain regions remains challenging, mainly because the supraglacial debris-covered
Bo Zhang, Guoxiang Liu, Xiaowen Wang, Yin Fu, Qiao Liu, Bing Yu, Rui Zhang, Zhilin Li   +7 more
doaj   +1 more source

Fusion of Sentinel-1 Interferometric Coherence and Sentinel-2 MSI for Debris-Covered Glacier Boundary Delineation: Case Study of Batura, Passu, Ghulkin, and Gulmit Glaciers, Pakistan

Geografia Fisica e Dinamica Quaternaria, 2023
Glaciers are vital freshwater reservoirs on Earth, and Pakistan is home to some of the world's largest mid-latitude glaciers, which greatly contribute to the country's economy. The accelerated melting of glaciers worldwide due to climate change underscores the significance of regular monitoring.
Ahmad, A, Fugazza, D
openaire   +2 more sources

Recent and future variability of the ice-sheet catchment of Sermeq Kujalleq (Jakobshavn Isbræ), Greenland

Journal of Glaciology
Knowledge of ice-sheet catchments is critical for mass-balance assessments, especially glacier-scale input–output budgets. This study explores variations in the catchment of Sermeq Kujalleq, or Jakobshavn Isbrø, Greenland. Six observation-based catchment
Anja Løkkegaard, William Colgan, Andy Aschwanden, Shfaqat Abbas Khan   +3 more
doaj   +1 more source

High-resolution inventory to capture glacier disintegration in the Austrian Silvretta

The Cryosphere, 2021
. A new high-resolution glacier inventory captures the rapid decay of the glaciers in the Austrian Silvretta for the years 2017 and 2018. Identifying the glacier outlines offers a wide range of possible interpretations of glaciers that have evolved into ...
A. Fischer, Gabriele Schwaizer, Bernd Seiser, K. Helfricht, Martin Stocker-Waldhuber   +4 more
semanticscholar   +1 more source

Intercomparison of remotely sensed methods for delineation of high mountain debris-covered glaciers using machine learning

, 2023
The 28th IUGG General Assembly (IUGG2023) (Berlin 2023)
Racoviteanu, A., Miles, E., Davies, B., Bolch, T., Watson, S., Buri, P., Liu, Q., Mateo, E., Wilson, R., Robson, B., Schellenberger, T., Maslov, K., Persello, C., King, O.   +13 more
openaire   +2 more sources

A hierarchical knowledge-based classification for glacier terrain mapping: a case study from Kolahoi Glacier, Kashmir Himalaya

Annals of Glaciology, 2016
A glacierized terrain comprises different land covers, and their mapping using satellite data is challenged by their spectral similarity. We propose a hierarchical knowledge-based classification (HKBC) approach for differentiation of glacier terrain ...
Aparna Shukla, Iram Ali
doaj   +1 more source

A satellite-derived glacier inventory for North Asia

Annals of Glaciology, 2016
This study outlines a consistent methodology for identifying glacier surfaces from Landsat 5, 7 and 8 imagery that is applied to map all mainland North Asian glaciers, providing the first methodologically consistent and complete glacier inventory for the
Lucas Earl, Alex Gardner
doaj   +1 more source

New Inventory of the Russian glaciers based on satellite data (2016–2019)

Лëд и снег, 2021
The new Inventory of the Russian glaciers has been created at the Institute of Geography of the Russian Academy of Sciences mainly on the basis of the Sentinel 2 satellite images for 2016–2019 with the aim of assessing the current state of glacier ...
T. Y. Khromova, G. A. Nosenko, A. F. Glazovsky, A. Y. Muraviev, S. A. Nikitin, I. I. Lavrentiev   +5 more
doaj   +1 more source

Glacier mass balance over the central Nyainqentanglha Range during recent decades derived from remote-sensing data

Journal of Glaciology, 2019
To obtain information on changes in glacier mass balance in the central Nyainqentanglha Range, a comprehensive study was carried out based on digital-elevation models derived from the 1968 topographic maps, the Shuttle Radar Topography Mission DEM (2000)
KUNPENG WU, SHIYIN LIU, ZONGLI JIANG, JUNLI XU, JUNFENG WEI   +4 more
doaj   +1 more source

DELINEATION RADAR ZONES OF GLACIERS IN THE ALA-ARCHA VALLEY OF KYRGYZ REPUBLIC [PDF]

Geographia Technica, 2021
Emilbek ZHOLDOSHBEKOV, Vaibhav GARG, Praveen Kumar THAKUR, Murataly DUISHONAKUNOV, Mihai VODA   +4 more
openaire   +1 more source