A5032290749- Arctic and Antarctic ice dynamics
- Maritime Navigation and Safety
- Maritime Transport Emissions and Efficiency
- Offshore Engineering and Technologies
- Coastal and Marine Management
- Oceanographic and Atmospheric Processes
- Cryospheric studies and observations
- Arctic and Russian Policy Studies
- Methane Hydrates and Related Phenomena
- Ocean Acidification Effects and Responses
- Meteorological Phenomena and Simulations
- Climate variability and models
- Climate change and permafrost
- Atmospheric and Environmental Gas Dynamics
- Marine and Coastal Research
- Cultural Heritage Materials Analysis
- Spacecraft and Cryogenic Technologies
- Scientific Research and Discoveries
- Conservation Techniques and Studies
- Advanced Image and Video Retrieval Techniques
- Marine and coastal ecosystems
- Spectroscopy and Chemometric Analyses
- Icing and De-icing Technologies
- Fault Detection and Control Systems
- Control Systems and Identification
Stennis Space Center
2005-2020
Jacobs (United States)
2005-2018
Early Manuscripts Electronic Library
2015
University of Kentucky
2006
United States Naval Research Laboratory
2005
Florida State University
2004
Abstract : The US Navy's operational global ocean nowcast/forecast system is presently comprised of the 0.08 HYbrid Coordinate Ocean Model (HYCOM) and Navy Coupled Data Assimilation (NCODA). Its high horizontal resolution adaptive vertical coordinate make it capable producing nowcasts (current state) forecasts oceanic weather, which includes three-dimensional temperature, salinity, current structure; surface mixed layer depth; location mesoscale features such as eddies, meandering currents,...
The paper introduces a data collection system and processing pipeline for automatic geo-registered 3D reconstruction of urban scenes from video. collects multiple video streams, as well GPS INS measurements in order to place the reconstructed models geo- registered coordinates. Besides high quality terms both geometry appearance, we aim at real-time performance. Even though our is currently far being real-time, select techniques design modules that can achieve fast performance on CPUs GPUs...
Two CryoSat-2 sea ice thickness products derived with independent algorithms are used to initialize a coupled ice-ocean modeling system in which series of reanalysis studies performed for the period March 15, 2014–September 30, 2015. Comparisons against moored upward looking sonar, drifting mass balance buoy, and NASA Operation IceBridge data show that exhibits greatly reduced bias using satellite-derived versus operational model run without these data. The initialized skill simulating from...
Abstract In this study the forecast skill of U.S. Navy operational Arctic sea ice system, Cap Nowcast/Forecast System (ACNFS), is presented for period February 2014 to June 2015. ACNFS designed provide short term, 1–7 day forecasts and ocean conditions. Many quantities are by ACNFS; most commonly used include concentration, thickness, velocity, surface temperature, salinity, velocities. Ice concentration compared a persistent state historical climatology. Skill scores focused on areas where...
There is a growing need for operational oceanographic predictions in both the Arctic and Antarctic polar regions. In former, this driven by declining ice cover accompanied an increase maritime traffic exploitation of marine resources. Oceanographic are also important, to support operations help elucidate processes governing sea shelf stability. However, significant gap exists ocean observing system regions, compared most areas global ocean, hindering reliability forecasts. This can be seen...
Abstract This paper describes the new global Navy Earth System Prediction Capability (Navy‐ESPC) coupled atmosphere‐ocean‐sea ice prediction system developed at Naval Research Laboratory (NRL) for operational forecasting timescales of days to subseasonal. Two configurations are validated: (1) a low‐resolution 16‐member ensemble and (2) high‐resolution deterministic system. The Navy‐ESPC became in August 2020, this is first time NRL partner, Fleet Numerical Meteorology Oceanography Center,...
Abstract. This study presents the improvement in ice edge error within US Navy's operational sea forecast systems gained by assimilating high horizontal resolution satellite-derived concentration products. Since late 1980's, have assimilated near real-time derived from Defense Meteorological Satellite Program (DMSP) Special Sensor Microwave/Imager (SSMI and then SSMIS). The of product was approximately same as previous system (25 km). As model increased over time, need for higher...
Monthly and seasonal predictions of mean atmospheric states have traditionally been viewed as a boundary forcing problem, with little regard for the role initial conditions (IC). The potential predictability these is investigated using hindcasted monthly January (JAN) January– February–March (JFM) 200-hPa geopotential heights from National Centers Environmental Prediction Climate Center (NCEP CPC) Dynamical Seasonal System along corresponding data NCEP–National Atmospheric Research (NCAR)...
Abstract Twin 5-month seasonal forecast experiments are performed to predict the September 2018 mean and minimum ice extent using fully coupled Navy Earth System Prediction Capability (ESPC). In control run, ensemble forecasts initialized from operational US Global Ocean Forecasting (GOFS) 3.1 but do not assimilate thickness data. Another set of same GOFS fields with sea derived CryoSat-2 (CS2). The ESPC was over-predicted by 0.68 M km 2 (5.27 ) vs CS2 that had an error 0.40 (4.99 ), a 43%...
Abstract The focus of this paper is on the development methodology for short-term (1–3 days) oceanic bioluminescence (BL) predictions and optimization spatial temporal sampling strategies. approach based with an advection–diffusion–reaction (tracer) model velocities diffusivities from a circulation model. In previous research, it was shown that changes in some salient features coastal can be explained predicted by using approach. At same time, demonstrated prior to forecast critical...
Abstract. This study presents the improvement in US Navy's operational sea ice forecast systems gained by assimilating high horizontal resolution satellite-derived concentration products. Since late 1980's, have assimilated near real-time derived from Defense Meteorological Satellite Program (DMSP) Special Sensor Microwave/Imager (SSMI and then SSMIS). The of product was approximately same as previous system (25 km). As model increased over time, need for higher observational data grew. In...
A world map painted by Henricus Martellus c. 1491 is widely acknowledged to be of great importance in the history cartography, but has been little studied since it came attention scholars 1959 because pigments used write descriptive texts and place names faded or flaked off surface. Spectral images this collected August 2014 have processed several statistical methods, allowing much text recovered. The methods may applied other documents for forensic applications.
Over the last decade, ice conditions in Arctic have changed dramatically resulting having a minimum extent during summers of 2007, 2008 and 2010. With this rapidly changing polar environment, need for accurate forecasts is essential. The Naval Research Laboratory (NRL) has developed Cap Nowcast/Forecast System (ACNFS), two-way coupled ice/ocean system, to forecast regions. This system applies Los Alamos Community Ice CodE (CICE) via Earth Modeling Framework (ESMF) HYbrid Coordinate Ocean...
Since the late 1980's, ice forecasting systems developed by Naval Research Laboratory (NRL) have been predicting conditions in Arctic Ocean and several of its marginal seas for use U.S. Navy. Each day a 120-hour forecast drift, thickness concentration is run operationally at Oceanographic Office (NAVOCEANO). Presently, high resolution two-way coupled ice/ocean nowcast/forecast system based on Community Ice CodE (CICE) HYbrid Coordinate Model (HYCOM) being tested using Navy Coupled Data...