Results 21 to 30 of about 154,444 (264)

How accurate are estimates of glacier ice thickness? Results from ITMIX, the Ice Thickness Models Intercomparison eXperiment [PDF]

open access: yesThe Cryosphere, 2017
Knowledge of the ice thickness distribution of glaciers and ice caps is an important prerequisite for many glaciological and hydrological investigations.
D. Farinotti   +36 more
doaj   +1 more source

New insight from CryoSat-2 sea ice thickness for sea ice modelling [PDF]

open access: yesThe Cryosphere, 2019
Estimates of Arctic sea ice thickness have been available from the CryoSat-2 (CS2) radar altimetry mission during ice growth seasons since 2010. We derive the sub-grid-scale ice thickness distribution (ITD) with respect to five ice thickness categories ...
D. Schröder   +4 more
doaj   +1 more source

Impact assessment of snow thickness, sea ice density and water density in CryoSat-2-derived sea ice thickness [PDF]

open access: yesThe Cryosphere
Sea ice thickness is an essential climate variable, which is often derived from satellite altimetry freeboard estimates, e.g., by CryoSat-2. In order to convert freeboard to sea ice thickness, assumptions are needed for snow thickness, snow density, sea ...
I. Sievers   +2 more
doaj   +1 more source

Antarctic ice sheet thickness estimation using the horizontal-to-vertical spectral ratio method with single-station seismic ambient noise [PDF]

open access: yesThe Cryosphere, 2018
We report on a successful application of the horizontal-to-vertical spectral ratio (H / V) method, generally used to investigate the subsurface velocity structures of the shallow crust, to estimate the Antarctic ice sheet thickness for the first time.
P. Yan   +6 more
doaj   +1 more source

Ice thickness determination with audio sound. [PDF]

open access: yesProceedings of Meetings on Acoustics, 2013
The objective of this study is to determine the thickness of Ice by analyzing the sound spectrum generated by dispersion of lamb waves propagating in ice. In winters when the lakes and rivers freeze, it is important to know the thickness of the ice layer before one intends to walk on it.
Anurupa Shaw, Nico F. Declercq
openaire   +1 more source

Temporal Variations in Ice Thickness of the Shirase Glacier Derived from Cryosat-2/SIRAL Data

open access: yesRemote Sensing, 2023
This study presents the feasibility of estimating the ice thickness of the Shirase Glacier using the synthetic aperture interferometric radar altimeter (SIRAL) on board the CryoSat-2 and the interannual variation of the ice thickness of the Shirase ...
Yurina Satake, Kazuki Nakamura
doaj   +1 more source

PROCEDURE OF EXTRACTING THIN ICE AREAS IN THE SEA OF OKHOTSK USING MODIS DATA [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022
The latest IPCC report clearly stated that the human influence is the main reason of sea ice reduction in the Arctic. Importance of sea ice monitoring from space is increasing.
K. Cho, K. Naoki
doaj   +1 more source

Dependence of Sea Ice Yield-Curve Shape on Ice Thickness [PDF]

open access: yesJournal of Physical Oceanography, 2004
Abstract In this note, the authors discuss the contribution that frictional sliding of ice floes (or floe aggregates) past each other and pressure ridging make to the plastic yield curve of sea ice. Using results from a previous study that explicitly modeled the amount of sliding and ridging that occurs for a given global strain rate, it
Wilchinsky A., Feltham D.
openaire   +3 more sources

Measuring and inferring the ice thickness distribution of four glaciers in the Tien Shan, Kyrgyzstan

open access: yesJournal of Glaciology, 2021
Glaciers in the Tien Shan mountains contribute considerably to the fresh water used for irrigation, households and energy supply in the dry lowland areas of Kyrgyzstan and its neighbouring countries. To date, reconstructions of the current ice volume and
Lander Van Tricht   +10 more
doaj   +1 more source

Modeling the thermodynamics of a sea ice thickness distribution: 1. Sensitivity to ice thickness resolution [PDF]

open access: yesJournal of Geophysical Research: Oceans, 1997
A one‐dimensional ice thickness distribution model is presented to determine the minimum number of ice thicknesses necessary to resolve the area‐averaged annual cycles of ice thickness and turbulent fluxes. The baseline case includes 40 ice thickness categories; ice thickness and area, meltwater ponds, ice salinity and age, snow cover, and surface ...
J. L. Schramm   +3 more
openaire   +1 more source

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