Results 291 to 300 of about 2,271,419 (323)

Rapid retreat of Berry Glacier, West Antarctica, linked to seawater intrusions revealed by radar interferometry. [PDF]

Nat Commun
Chen H, Rignot E, Scheuchl B, Milillo P, Morlighem M, Gadi R, Ciracì E, Kim JH, Dini L.   +8 more
europepmc   +1 more source

Mapping pan-Arctic riverine particulate organic carbon from space (1985 to 2022). [PDF]

Sci Adv
Sun X, Tian L, Fang H, Walling DE, Syvitski J, Huang L, Li D, Zheng C, Feng L.   +8 more
europepmc   +1 more source

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Icing-EdgeNet: A Pruning Lightweight Edge Intelligent Method of Discriminative Driving Channel for Ice Thickness of Transmission Lines

IEEE Transactions on Instrumentation and Measurement, 2021
The icing monitoring of transmission lines is of great significance to prevent freezing disasters of transmission lines and ensure the security and stability of power system.
Wang Bo, Fuqi Ma, Leijiao Ge, Hengrui Ma, W. Hongxia, M. A. Mohamed   +5 more
semanticscholar   +1 more source

Ice thickness estimation using SAR data and ice thickness history

IGARSS 2003. 2003 IEEE International Geoscience and Remote Sensing Symposium. Proceedings (IEEE Cat. No.03CH37477), 2004
We introduce an algorithm for sea ice thickness estimation by augmenting the sea ice thickness history derived from the daily digitized ice charts for the Baltic Sea ice. This algorithm is designed for operational use and utilizes the C-band Radarsat-1 data.
J. Karvonen, M. Simila, I. Heiler
openaire   +1 more source

Thick Sea-ice Floes

ARCTIC, 1979
This paper examines how sea ice floes of thickness exceeding 6 m can be formed in the Arctic. Such floes have been observed by a Soviet drifting station, by a submarine at the North Pole, and at three sites in the Canadian Arctic Archipelago. The Maykut and Untersteiner model of sea ice growth predicts an equilibrium thickness of 3 m under normal ...
E.R. Walker, Peter Wadhams
openaire   +1 more source

Effect of Ice Thickness on Ice Forces

Offshore Technology Conference, 1974
ABSTRACT Ice forces are the main concern in designing offshore structures such as drilling platforms, translating points, or bridge piers in arctic regions. Even though some results have been obtained by field measurements in recent years, there are still significant gaps in the knowledge of ice forces on structures.
Joachim Schwarz, Ken-ichi Hirayama, Han Chin Wu   +2 more
openaire   +1 more source

Ice Thickness Distribution.

1989
Abstract : Prototype Upward Looking Sonar (ULS) instruments that monitor time series of ice draft from oceanographic moorings have been designed, built, tested and deployed in arctic waters. The measured time series recovered from these instruments reveal many geophysically significant, quantitative aspects of the sea ice draft distribution that have ...
Richard E. Moritz, Norbert Untersteiner
openaire   +1 more source

Estimation of Thin-Ice Thickness and Discrimination of Ice Type From AMSR-E Passive Microwave Data

IEEE Transactions on Geoscience and Remote Sensing, 2019
Detection of thin-ice thickness with microwave radiometers, such as the Advanced Microwave Scanning Radiometer-Earth Observing System (AMSR-E), is very effective for the estimation of sea-ice production, which causes dense water driving ocean ...
K. Nakata, K. Ohshima, S. Nihashi
semanticscholar   +1 more source

Ice Thickness Distribution Test

1998
Abstract : Our long term goal is to undertake an experiment that will test the theory of how sea ice thickness distribution is changed by thermodynamics and by large-scale deformation. The minimal experiment envisaged involves two sequential surveys of ice draft in some region by an upward-looking sonar carried on a submarine.
Alan S. Thorndike, Gary Maykut, Drew Rothrock   +2 more
openaire   +1 more source

Walking on snow-covered Arctic sea ice to infer ice thickness

The Journal of the Acoustical Society of America, 2022
The ice-covered Arctic Ocean constitutes a unique underwater acoustic waveguide; it is a half-channel, upward refracting environment possessing a rough upper boundary consisting of sea ice of varying thickness. The sea ice itself is an acoustic waveguide, capable of supporting the propagation of compressional and shear waves.
D Benjamin, Reeder, John E, Joseph, Ann M, Hill, Kristen N, Ainslie   +3 more
openaire   +2 more sources