Sentences with phrase «of austral winter»

The weather station showed that surface melt occurred in every month except July, the dead of austral winter.

In the twilight of the austral winter, for a few hours every day, the sea ice turns a fiery orange as shadow puppets trace the cracks across slow - moving waves.

Extreme cold can prevent aircraft from operating, and could maroon the team at the station during the total darkness and bitter temperatures of austral winter.

Not exact matches

After migrating hundreds of miles from their winter feeding grounds, they marched off the ice in the austral spring and — even though their nesting territories were concealed under snow — headed to the very colonies where many were hatched or had raised chicks before.

Physician Alexander Kumar and Erick Bondoux, two residents passing austral winter at Concordia, snapped this photo of the dramatic aurorae over the station on July 18.

Submarine personnel first described the oddly repetitive call, which is one of the most common sounds in that ocean during the austral winter.

Princess Elisabeth Antarctica is designed to withstand the hardships of the Antarctic winter, but is currently occupied during the Austral summer only (November - February) in almost permanent daylight.

At an elevation of 2,835 meters (9,300 feet), South Pole has an average monthly temperature in the austral summer of -28 °C -LRB--18 °F); in the austral winter, the average monthly temperature is -60 °C -LRB--76 °F).

The reason is that the cold Humboldt current which travels northward up the coast of Chile and Peru during the Austral winter months of May - November creates prevailing onshore wind conditions during this period, with the wind and swell coming from the same direction.

• The methanetrack.org website has shown significant increases in atmospheric methane concentrations over Antarctica this austral winter (which I believe are due to increases in methane emissions from the Southern Ocean seafloor due to increases in the temperature of bottom water temperatures), and if this trend continues, then the Southern Hemisphere could be a significant source of additional atmospheric methane (this century).

In fact, as I proposed in my overview of ice trends last October, the system up there may be becoming more like the sea ice around Antarctica, which flashes into existence each austral winter and then all disappears each southern summer.

However, it instead has happened this austral winter with loss of an additional 160 km2 of ice.

We determine its likely evolution for three intergovernmental panel on climate change (IPCC) special report on emission scenarios (SRES) for austral summer and winter, using a multi-model ensemble of IPCC fourth assessment report models which resolve stratospheric ozone recovery.

Temperature patterns vary so widely because the continent is covered in continuous darkness during the austral winter and continuous sunlight during the austral summer, with a few weeks of sunrises and sunsets in between seasons.

Things tend to change this time of year — and where ENSO goes in the Austral winter is the thing to watch.

Indeed as as MarkW has said the extension during the austral winter of the surface of the antarctic ice up to 20 M km ² and 60 ° S would deserve a computation of the total albedo of (floating ice + snow cover)(over the southern and the northern hemispheres), with due account of the elevation of the Sun and of the clouds.

They reported an annual warming of West Antarctica of 0.18 °C / decade for 1957 — 2006, maximized in the austral winter and spring.

Along with an annual - mean trend during the past 50 years of about 0.1 °C / decade averaged over Antarctica, there is a distinct seasonality to the trends, with insignificant change (and even some cooling) in austral summer and autumn in East Antarctica, contrasting with warming in austral winter and spring.

It's possible that 40 years of increased El Nino (because of a positive IPO) may have bumped up the temperatures in the austral winter.

This is thought to be due to the northward propagation of strong swells produced by winter storms in the southern hemisphere during the austral winter.