Sentences with phrase «ao conditions»

The next ten years should see the most negative NAO / AO conditions of this solar minimum, and much loss of summer sea ice like 2007 and 2012 and worse.

High AO conditions were observed during the winter of 2006/2007 and again this past winter of 2007/2008.

The post 1995 AMO and Arctic warming is the natural response to the decline in solar wind pressure since then, by it increasing negative NAO / AO conditions, and thereby increasing the poleward heat transports.

I think what needs explaining, is why negative NAO / AO conditions occur when the solar wind is weak:

Not exact matches

Despite the absence of a high - order high - bandwidth closed - loop AO system, observations conducted with SCExAO show that even in poor - to - moderate observing conditions, speckle nulling can be used to supp... ▽ More This paper presents the first on - sky demonstration of speckle nulling, which was achieved at the Subaru Telescope in the context of the Subaru Coronagraphic Extreme Adaptive Optics (SCExAO) Project.

Despite the absence of a high - order high - bandwidth closed - loop AO system, observations conducted with SCExAO show that even in poor - to - moderate observing conditions, speckle nulling can be used to suppress static and slow speckles even in the presence of a brighter dynamic speckle halo, suggesting that more advanced high - contrast imaging algorithms developed in the laboratory can be applied to ground - based systems.

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No all the models predict lowering Arctic pressure and increasing positive AO / NAO conditions, which cools the Arctic and increases ice extent.

Story: Peak petroleum; Story: Strong negative phase of the Arctic Oscillation (AO); Story: Polar Amplification Effect & Current Polar Conditions; Story: Mass tree deaths in Amazon; Story: GOP pushes to drop climate change research funding; Story: House Energy & Commerce Committee pushes to repeal EPA's authority to regulate greenhouse gases;

El Nino intensity and frequency increase during solar minima because negative NAO / AO increases, and major stratospheric volcanic aerosol events increase, also increasing El Nino conditions.

Morison and Untersteiner (University of Washington); 5.6 Million Square Kilometers; Heuristic Estimate is based on recent observations, including the previous winter Arctic Oscillation (AO), ice concentrations observed during North Pole Environmental Observatory (NPEO) hydro surveys, atmospheric and ice surface conditions observed with NPEO buoys and Web Cams, and recent ice trajectories.

Rigor et al. (Polar Science Center, University of Washington); 5.4 Million Square Kilometers; Heuristic This estimate is based on the prior winter Arctic Oscillation (AO) conditions, and the spatial distribution of the sea ice of different ages as estimated from a Drift - age Model (DM), which combines buoy drift and retrievals of sea ice drift from satellites (Rigor and Wallace, 2004, updated).

High Arctic Oscillation (AO) conditions during winter precondition summer sea ice for extensive retreats.

Though there can be significant differences in regional surface impacts between one SSW event and another, the typical pattern includes changes in sea level pressure resembling the negative phase of the North Atlantic Oscillation (NAO) / Arctic Oscillation (AO), (representing a southward shift in the Atlantic storm track), wetter than average conditions for much of Europe, cold air outbreaks throughout the mid-latitudes, and warmer than average conditions in eastern Canada and subtropical Asia (see figure below, left panel).

Morison and Untersteiner (University of Washington); 5.6 Million Square Kilometers; Heuristic Estimate is unchanged from last month and is based on the previous winter Arctic Oscillation (AO), ice concentrations observed during North Pole Environmental Observatory (NPEO) hydro surveys, atmospheric and ice surface conditions observed with NPEO buoys and Web Cams, and recent ice trajectories.