Sentences with phrase «sea ice models»

It's now clear that Mitch Taylor was right to be skeptical of sea ice models based on pessimistic climate change assumptions; he was also right to be more optimistic than his PBSG colleagues about the ability of polar bears to adapt to changing sea ice conditions (Taylor and Dowsley 2008), since the bears have turned out to be more resilient than even he expected.

(2) J. Zhang has written a parallel sea ice model with a line successive relaxation (LSR) dynamics solver (Zhang and Hibler 1997) and, in collaboration with Dr. D. Menemenlis at JPL, has coupled the model to the MIT general ocean circulation model (MITgcm).

Bitz, C.M., and W.H. Lipscomb, 1999: An energy - conserving thermodynamic sea ice model for climate study.

Pemberton et al.; 4.6 million square kilometers; Model We take an ensemble approach with a regional coupled ocean / sea ice model using ECMWF ERA - Interim realizations.

«Difficulty in developing accurate sea ice models, variability in the Arctic's climate, and the uncertain rate of activity in the region create challenges for DOD to balance the risk of having inadequate capabilities or insufficient capacity when required to operate in the region with the cost of making premature or unnecessary investments,» reads a portion of the study, which was released Friday.

You're right as well that a model without sea ice modelled within has to be a forcing.

Both full sea ice models and seasonal melt projections applied to detailed sea ice distributions and trajectories provided the main semi-quantitative information for the Outlook.

The third regional modeling submission, Barthélemy et al., uses the ice - ocean Nucleus for European Modeling of the Ocean Louvain - la - Neuve Sea Ice Model (NEMO - LIM3) model and is initialized on 1 August 2014.

We use the National Center for Atmospheric Research (NCAR) Community Earth System Model version 1.3 (CESM) that couples the Community Atmosphere Model version 5 (CAM5)[28] to the Community Land Model (CLM4.5; [29]-RRB-, the CICE4 sea ice model [30], and implements a slab ocean with prescribed heat transport derived from a fully - coupled ocean - atmosphere simulation [28].

I have observed greater variations in Arctic Inversions lately, the tendency is towards less steep inversions, this is expected when the Arctic lower atmosphere warms during winter, if the models maintain a stronger inversion while its observed weakening this may explain why sea ice models fail, strong boundary layers appear to be collapsing.

To carry out these goals, researchers will use a global coupled ocean and sea ice model whose grid emphasizes the Arctic Ocean.

In particular, the main task will be the development of an ensemble - based data assimilation system for the state - of - the - art sea ice model, neXtSIM, developed in - house at NERSC.

At the same time, the range of ensemble simulations from sea ice models mentioned above shows how capricious weather patterns — such as the one observed in 2007 — can help drive anomalous ice distribution patterns in any one year.

In this project, we will assess the role of sea ice dynamics on the upper part of the Arctic Ocean energy budget and on primary production using for the first time a Lagrangian sea ice model, neXtSIM, coupled to an ocean - marine ecosystem model.

This is not another «worse than we thought» moment (Amstrup et al. 2007)-- this is sea ice models so wrong as to be useless: failed models used to inform future polar bear survival models that got the bears declared «threatened» with extinction in the US in 2008 (Crockford 2017).

The neXtSIM model is currently being developed at the Nansen Environmental and Remote Sensing Center, and is unique among sea ice models owing to its rheological framework that is based on solid mechanics and allowing to reproduce the multifractal scaling invariance of sea ice deformation with an unprecedented realism.

PI, Ice Concentration and Ice Age Products for ArcticCAP: This work has two overarching deliverables: an improved daily ice concentration product and a proxy ice thickness product, both for use in sea ice modeling at the Navel Research Laboratory.

He is interested in developing next - generation sea ice models which capture anisotropic nature of ice dynamics / mechanics and explicitly simulate both ice thickness distribution and floe size distribution jointly.

Finnish Meteorological Institute has been doing estimates of two essential sea ice parameters — namely, sea ice concentration (SIC) and sea ice thickness (SIT)-- for the Bohai Sea using a combination of a thermodynamic sea ice model and Earth observation (EO) data from synthetic aperture radar (SAR) and microwave radiometer.

Data are available for collaborations with other observationalists and modelers for initialization and validation of sea ice models and remote sensing data to improve sea ice forecasts for the 2016 summerseason (e.g. Lindsay, 2012)

««Difficulty in developing accurate sea ice models,» No surprise since the «scientists» have yet to develop an accurate model for ANY aspect of the climate.»

Marsland, S.J., et al., 2003: The Max - Planck - Institute global ocean / sea ice model with orthogonal curvilinear coordinates.

Both full sea ice models and seasonal melting projections applied to detailed sea ice distributions and trajectories provided the main semi-quantitative information for the Outlook.

Barthélemy et al, 5.1 (4.5 - 5.6), Modeling Our estimate is based on results from ensemble runs with the global ocean - sea ice coupled model Nucleus for European Modeling of the Ocean Louvain - la - Neuve Sea Ice Model (NEMO - LIM3).

One of the main changes in the HadGEM3 family of models compared with previous versions is the inclusion of the NEMO ocean modelling framework, which is also used in the Met Office's ocean forecasting system, and CICE, the Los Alamos sea ice model.

Cuts would also terminate «Arctic research focused on improvements to sea ice modeling and predictions that support the safety of fishermen, commercial shippers, cruise ships, and local communities,» the agency notes.

«It seems that it's not primarily the sea ice models that are responsible for the mismatch.

The data that Old Weather volunteer citizen scientists meticulously transcribe from the logbooks are used to drive climate and sea ice models to help understand changes and improve predictions.

With the addition of other components (such as a sea ice model or a land model), the AOGCM becomes the basis for a full climate model.