G. C. Moore Smith
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View article: Quantification of Scales Not Constrained by Observation Using Ensembles
Quantification of Scales Not Constrained by Observation Using Ensembles Open
Numerical models for ocean prediction typically resolve finer scales than can be constrained through assimilation of satellite measurements. As a result, variability not constrained by observation contributes to model forecast errors. Usin…
View article: Numerical simulations of non-buoyant plastic dispersion around the Iberian Peninsula
Numerical simulations of non-buoyant plastic dispersion around the Iberian Peninsula Open
The continuous release and accumulation of plastics in the ocean is a major environmental concern as shown by the ongoing negotiations for a Global Plastics Treaty led by the United Nations. Numerical models have proven to be valuable tool…
View article: A description of existing operational ocean forecasting services around the globe
A description of existing operational ocean forecasting services around the globe Open
Predicting the ocean state in support of human activities, environmental monitoring, and policymaking across different regions worldwide is fundamental. To properly address physical, dynamical, ice, and biogeochemical processes, numerical …
View article: Assimilation of synthetic and real SWOT observations for the North Atlantic Ocean and Canadian east coast using the regional ice ocean prediction system
Assimilation of synthetic and real SWOT observations for the North Atlantic Ocean and Canadian east coast using the regional ice ocean prediction system Open
The Surface Water Ocean Topography (SWOT) mission significantly improves on the capabilities of current nadir altimeters by enabling two-dimensional mapping. Assimilating this advanced data into high-resolution models poses challenges. To …
View article: The international multi-system OSEs/OSSEs by the UN Ocean Decade Project SynObs and its early results
The international multi-system OSEs/OSSEs by the UN Ocean Decade Project SynObs and its early results Open
“Synergistic Observing Network for Ocean Prediction (SynObs)” was launched in 2022 as a project of the United Nations Decade of Ocean Science for Sustainable Development to evaluate the importance of ocean observation systems and co-design…
View article: A new high-resolution Coastal Ice-Ocean Prediction System for the East Coast of Canada
A new high-resolution Coastal Ice-Ocean Prediction System for the East Coast of Canada Open
The Coastal Ice Ocean Prediction System for the East Coast of Canada (CIOPS-E) was developed and implemented operationally at Environment and Climate Change Canada (ECCC) to support a variety of critical marine applications. These include …
View article: Impact of assimilation of absolute dynamic topography on Arctic Ocean circulation
Impact of assimilation of absolute dynamic topography on Arctic Ocean circulation Open
The ocean circulation is typically constrained in operational analysis and forecasting systems through the assimilation of sea level anomaly (SLA) retrievals from satellite altimetry. This approach has limited benefits in the Arctic Ocean …
View article: Using Icepack to reproduce ice mass balance buoy observations in landfast ice: improvements from the mushy-layer thermodynamics
Using Icepack to reproduce ice mass balance buoy observations in landfast ice: improvements from the mushy-layer thermodynamics Open
Icepack (v1.1.0) – the column thermodynamics model of the Community Ice CodE (CICE) version 6 – is used to assess how changing the thermodynamics from the Bitz and Lipscomb (1999) physics (hereafter BL99) to the mushy-layer physics impacts…
View article: Importance of ocean observations to the ECCC global ocean analysis system, GIOPS
Importance of ocean observations to the ECCC global ocean analysis system, GIOPS Open
The Synergistic Observing Network for Ocean Prediction (SynObs) project (https://oceanpredict.org/synobs) seeks to find synergies between ocean observations and ocean prediction through a multi-system approach to an Observing System Experi…
View article: Spontaneous Unsteadiness and Sorting in Pyroclastic Density Currents and their Deposits
Spontaneous Unsteadiness and Sorting in Pyroclastic Density Currents and their Deposits Open
Pyroclastic density currents (PDCs) pose substantial risk to populations living on and around active volcanoes, but their structure and internal dynamics are poorly understood. Much of this understanding is derived from interpretation of t…
View article: Spontaneous Unsteadiness and Sorting in Pyroclastic Density Currents and their Deposits - Data
Spontaneous Unsteadiness and Sorting in Pyroclastic Density Currents and their Deposits - Data Open
Dataset accompanying Spontaneous Unsteadiness and Sorting in Pyroclastic Density Currents and their Deposits, in Particulate Gravity Currents in the Environment. Raw experiment images and videos for selected runs. Run list included as csv …
View article: Spontaneous Unsteadiness and Sorting in Pyroclastic Density Currents and their Deposits - Data
Spontaneous Unsteadiness and Sorting in Pyroclastic Density Currents and their Deposits - Data Open
Dataset accompanying Spontaneous Unsteadiness and Sorting in Pyroclastic Density Currents and their Deposits, in Particulate Gravity Currents in the Environment. Raw experiment images and videos for selected runs. Run list included as csv …
View article: Stationary surface waves and antidunes in dense pyroclastic density currents
Stationary surface waves and antidunes in dense pyroclastic density currents Open
Stationary antidunes are a product of critical flow in open channel systems, but with poor preservation potential. They are related to the existence of stationary surface waves in the overriding current, but their existence in the dense py…
View article: Comment on tc-2022-266
Comment on tc-2022-266 Open
Abstract. The column thermodynamics package (Icepack v1.1.0) of the Community Ice Code (CICE) version 6 is used to reproduce observations from two Ice Mass Balance (IMB) buoys co-deployed in the landfast ice close to Nain (Labrador) in Feb…
View article: Validation and intercomparison of ocean surface circulation analyses and forecasts
Validation and intercomparison of ocean surface circulation analyses and forecasts Open
Operational systems provide daily surface velocities that reproduce as closely as possible the state of the ocean, a field that lays at the base of many diverse applications such as routing or search and rescue. There’s a growing nee…
View article: Comment on tc-2022-266
Comment on tc-2022-266 Open
Abstract. The column thermodynamics package (Icepack v1.1.0) of the Community Ice Code (CICE) version 6 is used to reproduce observations from two Ice Mass Balance (IMB) buoys co-deployed in the landfast ice close to Nain (Labrador) in Feb…
View article: Heat rejection system
Heat rejection system Open
A cooling system for rejecting waste heat consists of a cooling tower incorporating a plurality of coolant tubes provided with cooling fins and each having a plurality of cooling channels therein, means for directing a heat exchange fluid …
View article: Using Icepack to reproduce Ice Mass Balance buoy observations in landfast ice: improvements from the mushy layer thermodynamics
Using Icepack to reproduce Ice Mass Balance buoy observations in landfast ice: improvements from the mushy layer thermodynamics Open
The column thermodynamics package (Icepack v1.1.0) of the Community Ice Code (CICE) version 6 is used to reproduce observations from two Ice Mass Balance (IMB) buoys co-deployed in the landfast ice close to Nain (Labrador) in February 2017…
View article: Basic Math for Game Development with Unity 3D
Basic Math for Game Development with Unity 3D Open
This book teaches core mathematical concepts and how they are used to create compelling gameplay using Unity-based examples.
View article: Understanding sources of Northern Hemisphere uncertainty and forecast error in a medium‐range coupled ensemble sea‐ice prediction system
Understanding sources of Northern Hemisphere uncertainty and forecast error in a medium‐range coupled ensemble sea‐ice prediction system Open
The Global Ensemble Prediction System (GEPS) of Environment and Climate Change Canada was recently upgraded to a coupled atmosphere, ocean, and sea‐ice version from an uncoupled atmosphere‐only system. This has been operational since July …
View article: Verification of eddy properties in operational oceanographic analysis systems
Verification of eddy properties in operational oceanographic analysis systems Open
Mesoscale eddy features are found ubiquitously throughout the world's oceans. Many needs exist for numerical products from operational oceanographic systems to provide information on eddy properties. While numerous eddy identification and …
View article: The Regional Ice Ocean Prediction System v2: a pan-Canadian ocean analysis system using an online tidal harmonic analysis
The Regional Ice Ocean Prediction System v2: a pan-Canadian ocean analysis system using an online tidal harmonic analysis Open
Canada has the longest coastline in the world and includes diverse ocean environments, from the frozen waters of the Canadian Arctic Archipelago to the confluence region of Labrador and Gulf Stream waters on the east coast. There is a stro…
View article: Studies into Exfoliation and Coating of Egyptian Blue for Application to the Detection of Latent Fingermarks
Studies into Exfoliation and Coating of Egyptian Blue for Application to the Detection of Latent Fingermarks Open
We have recently demonstrated that exfoliated Egyptian blue powder coated with cetrimonium bromide is effective for detecting latent fingermarks on a range of highly-patterned non-porous surfaces (see reference). In this extension of that …
View article: Development of a semi-Lagrangian advection scheme for the NEMO ocean model (3.1)
Development of a semi-Lagrangian advection scheme for the NEMO ocean model (3.1) Open
As resolutions of ocean circulation models increase, the advective Courant number – the ratio between the distance travelled by a fluid parcel in one time step and the grid size – becomes the most stringent factor limiting model time steps…
View article: Evaluating the Leeway Coefficient of Ocean Drifters Using Operational Marine Environmental Prediction Systems
Evaluating the Leeway Coefficient of Ocean Drifters Using Operational Marine Environmental Prediction Systems Open
The water following characteristics of six different drifter types are investigated using two different operational marine environmental prediction systems: one produced by Environment and Climate Change Canada (ECCC) and the other produce…
View article: The Regional Ice Ocean Prediction System v2: a pan-Canadian ocean analysis system
The Regional Ice Ocean Prediction System v2: a pan-Canadian ocean analysis system Open
Canada has the longest coastline in the world and includes a diversity of ocean environments, from the frozen waters of the Canadian Arctic Archipelago to the confluence region of Labrador and Gulf Stream waters on the East Coast. There is…
View article: The Regional Ice Ocean Prediction System v2
The Regional Ice Ocean Prediction System v2 Open
Code, data and scripts for GMD reviewers