A5034330643- Cryospheric studies and observations
- Climate variability and models
- Arctic and Antarctic ice dynamics
- Oceanographic and Atmospheric Processes
- Climate change and permafrost
- Polar Research and Ecology
- Methane Hydrates and Related Phenomena
- Industrial Technology and Control Systems
- Winter Sports Injuries and Performance
- Geology and Paleoclimatology Research
- Tropical and Extratropical Cyclones Research
- Fuzzy Logic and Control Systems
- Atmospheric and Environmental Gas Dynamics
- Ocean Waves and Remote Sensing
- Meteorological Phenomena and Simulations
- Species Distribution and Climate Change
University of Canterbury
2013-2017
ABSTRACT The surface wind regime of the Ross Ice Shelf ( RIS ) is dominated by northward outflow influenced drainage from both East and West Antarctica synoptic disturbances over Sea. To quantify effects on climate region, we produce a climatology Sea via k ‐means clustering technique applied to (10 m) winds ERA Interim reanalysis (1979–2011). We describe generation discuss composites winds, mean sea‐level pressure temperature, which show high degree internally consistent structure are...
Abstract The Amundsen Sea Low (ASL) is an area of climatologically low atmospheric pressure situated over the Southern Ocean. depth and location this feature have significant effects on winds, temperature, moisture transport, sea ice in its vicinity. In article, we quantify modulating effect winds Ross Ice Shelf. We examine composites surface sampled according to extrema ASL depth, longitude, latitude. employ output a previously developed synoptic climatology identify explanatory...
Abstract. We investigate the impacts of strong wind events on sea ice concentration within Ross Sea polynya (RSP), which may have consequences formation. Bootstrap (SIC) measurements derived from satellite SSM/I brightness temperatures are correlated with surface winds and Ice Shelf automatic weather stations (AWSs) models (ERA-Interim). Daily data in austral winter period were used to classify characteristic regimes based percentiles speed. For each regime a composite SIC anomaly was formed...
This study compares high-resolution output (1.1-km horizontal grid length) from twice-daily forecasts produced by the Antarctic Mesoscale Prediction System (AMPS) with a dense observational network east of Ross Island. Covering 10 000 km 2 , 15 SNOWWEB stations significantly increased number observation in area to 19 during 2014–15 austral summer. Collocated “virtual stations” created AMPS are combined observations, producing single dataset zonal and meridional wind components used train...
ABSTRACT Recent studies have shown large increases in global significant ocean wave height since the genesis of satellite‐borne altimeter observations mid‐1980s. The island nation New Zealand ( NZ ) has many coastal communities and ecosystems which are sensitive to changes climate. In this article we document regional seas around , employing output from ECMWF (European Centre for Medium‐Range Weather Forecasts) Re‐analysis (ERA)‐Interim reanalysis. Initially, perform a comparison against...
Abstract Cyclones are an important component of Antarctic climate variability, yet quantifying their impact on the polar environment is challenging. We assess how cyclones which pass through Bellingshausen Sea affect accumulation over Ellsworth Land, West Antarctica, where we have two ice core records. use self‐organizing maps (SOMs), unsupervised machine learning technique, to group into nine SOM nodes differing by trajectories (1980–2015). The annual frequency associated with first node...
Abstract. Despite warming trends in global temperatures, sea ice extent the Southern Hemisphere has shown an increasing trend over recent decades. Wind-driven export from coastal polynyas is important source of production. Areas major Ross Sea, region with largest increase extent, have been suggested to produce a vast amount region. We investigate impacts strong wind events on Sea Polynyas and its concentration possible consequences utilise Bootstrap (SIC) measurements derived satellite...
Abstract This study describes SNOW-WEB, a distributed system of atmospheric sensors, which is cost-effective and can be efficiently deployed in Antarctica. The supports traditional sensors has built-in redundancy as many units relatively small area for similar cost to one conventional weather station. Furthermore, each unit equipped with wireless mesh-networking capabilities so able share information those its direct vicinity. allows the ferrying collected manned observation station hence...