Sentences with phrase «sea ice concentration in»

In contrast, SLP has been higher over the Kara sector, which may have contributed to the large current negative anomalies in sea ice concentration in that region of the Arctic.

Overall, we find the loss of sea ice thickness contributes up to 1/3 of the response from loss of sea ice concentration in the lower to mid-atmosphere.

The AMO is likely to be a driver of multi-decadal variations in Sahel droughts, precipitation in the Caribbean, summer climate of both North America and Europe, sea ice concentration in the Greenland Sea and sea level pressure over the southern USA, the North Atlantic and southern Europe (e.g., Venegas and Mysak, 2000; Goldenberg et al., 2001; Sutton and Hodson, 2005; Trenberth and Shea, 2006).

Prediction of September 2010 sea ice concentration in the Canadian Arctic Archipelago from a statistical model (canonical correlation analysis).

(a, b) Annual - mean sea ice concentration in the CTL and SW experiments, and (c) SST anomalies during the last 50 years of the latter simulation.

These NASA provided images show the minimum arctic sea ice concentration in 1979, at left, and in 2003.

The researchers found a «pronounced change» towards very low sea ice concentration in the two seas since 2004.

NASA's Earth Observatory reports that there was a record low Arctic sea ice concentration in June 2005.

The AMO is likely to be a driver of multi-decadal variations in Sahel droughts, precipitation in the Caribbean, summer climate of both North America and Europe, sea ice concentration in the Greenland Sea and sea level pressure over the southern USA, the North Atlantic and southern Europe (e.g., Venegas and Mysak, 2000; Goldenberg et al., 2001; Sutton and Hodson, 2005; Trenberth and Shea, 2006).

Nørgaard - Pedersen, N., Mikkelsen, N., Lassen, S. J., Kristoffersen, Y. & Sheldon, E. Reduced sea ice concentrations in the Arctic Ocean during the last interglacial period revealed by sediment cores off northern Greenland.

Not exact matches

Sea ice - associated decline in body condition leads to increased concentrations of lipophilic pollutants in polar bears (Ursus maritimus) from Svalbard, Norway.

Concentrations of two other chemicals in the ice cores, vanillic acid (a chemical formed when conifer forests burn) and non — sea salt sulfur (a primary component in acid rain), helped distinguish between soot from natural sources and that from industrial pollution.

The researchers warn, however, that the future evolution of the AMO remains uncertain, with many factors potentially affecting how it interacts with atmospheric circulation patterns, such as Arctic sea ice loss, changes in solar radiation, volcanic eruptions and concentrations of greenhouse gases in the atmosphere.

The team investigated the trajectories of sea ice drifting in the ocean and saw a pattern of ice — and hence water — flowing northward from the vast northern coast of Russia toward the middle of the Arctic Ocean, where the radium concentrations had increased.

The sea ice surrounding Antarctica has increased in extent and concentration from the late 1970s, when satellite - based measurements began, until 2015.

If nothing is done to stop the increase in the concentration of CO2, sea level rise will not stop at 20 ft.. The Arctic sea ice has nearly gone.

This week, Arctic sea ice extent - that is, the total ocean area in which the ice concentration is at least 15 percent - was at 1.96 million square miles.

All this cold water being released into the ocean has a significant impact on the formation of sea ice, resulting in higher rates of sea ice concentration around Antarctica.

Changes in the winds around Antarctica therefore change ice - concentration trends around Antarctica [8] by influencing sea - ice production and melt rates [9].

Acidity decline in Antarctic ice cores during the Little Ice Age linked to changes in atmospheric nitrate and sea salt concentratioice cores during the Little Ice Age linked to changes in atmospheric nitrate and sea salt concentratioIce Age linked to changes in atmospheric nitrate and sea salt concentrations.

Sea - ice concentration in the Barents and Kara seas, expressed as a percentage.

The only explanation that we have for the sustained downward trend in sea - ice extent is the increase in greenhouse - gas concentrations.

your evidence for Arctic ice concentration similar in extent or lower than current is 1) your personal experience 2) a 1952 ecyclopedia entry describing changing sea ice cover for one region of the Arctic.

John — your premise is incorrect; Arctic sea - ice is not a concentration of mass, and when it melts it doesn't redistribute around the globe (other of course than in the same way any other Arctic seawater redistributes).

This finding is consistent with the expected effect of increasing greenhouse gas concentrations and with other observed evidence of a changing climate such as reductions in Arctic sea ice extent, melting permafrost, rising sea levels, and increases in heavy downpours and heat waves.

Alarmed at the pace of change to our Earth caused by human - induced climate change, including accelerating melting and loss of ice from Greenland, the Himalayas and Antarctica, acidification of the world's oceans due to rising CO2 concentrations, increasingly intense tropical cyclones, more damaging and intense drought and floods, including glacial lakes outburst loods, in many regions and higher levels of sea - level rise than estimated just a few years ago, risks changing the face of the planet and threatening coastal cities, low lying areas, mountainous regions and vulnerable countries the world over,

The important news is that in five summers the sea ice concentration over the Arctic has not recovered from its precipitous decline in 2007.

The papers questioned everything from the relative role of natural mechanisms in changes to the climate system vis - à - vis increased CO2 concentrations, the allegedly «unprecedented» nature of modern climate phenomena such as warming, sea levels, glacier and sea ice retreat, and the efficacy and reliability of computer climate models for projecting future climate states.

Yuan et al. (LDEO Columbia University), 5.08 (+ / - 0.51), Statistical The prediction is made by statistical models, which are capable to predict Arctic sea ice concentrations at grid points 3 - month in advance with reasonable skills.

WMO will issue its full Statement on the State of the Climate in 2017 in March which will provide a comprehensive overview of temperature variability and trends, high - impact events, and long - term indicators of climate change such as increasing carbon dioxide concentrations, Arctic and Antarctic sea ice, sea level rise and ocean acidification.

Investigation of sea ice concentrations support this hypothesis with the emergence of lower ice concentration bands in the southern Beaufort Sea in May 2012 within an increasingly heterogeneous sea ice cover in the Arctsea ice concentrations support this hypothesis with the emergence of lower ice concentration bands in the southern Beaufort Sea in May 2012 within an increasingly heterogeneous sea ice cover in the ArctSea in May 2012 within an increasingly heterogeneous sea ice cover in the Arctsea ice cover in the Arctic.

Left figure: April ice extent defined as 30 % ice concentration in the Greenland Sea / Fram Strait and Barents Sea based on passive microwave data (red = April 2012, orange = mean April 1999 - 2008, purple = mean April 1980 - 1999, green = mean April 1979 - 2008).

Right figure: May ice extent defined as 30 % ice concentration in the Greenland Sea / Fram Strait and Barents Sea based on passive microwave data (red = May 2012, orange = mean May 1999 - 2008, purple = mean May 1980 - 1999, green = mean May 1979 - 2008)(Gerland et al.).

The ice concentration is significantly below the 34 - year climatology in the Beaufort Sea, Chukchi Sea, East Siberian Sea, Laptev Sea, Kara Sea and Barents Sea.

Currently (as of July 19), the extent is within 600,000 km2 of that in 2012 and the ice cover has become diffuse (low ice concentrations) within the Beaufort Sea (Figure 10).

A statistical forecast using a regression based approach with fall sea surface temperature anomalies in the North Atlantic as the main predictor was submitted by Tivy (Figure 3) for ice concentration anomalies in July in Hudson Bay.

With global GHG emissions and concentrations continuing to increase; with climate change intensifying changes in ecosystems, ice sheet deterioration, and sea level rise; and with fossil fuels providing more than 80 % of the world's energy, the likelihood seems low that cooperative actions will prevent increasingly disruptive climate change over the next several decades.

Determining the mechanisms and feedbacks involved in climate change at the end of the last ice age therefore requires an understanding of the relationship between the southern margin ice retreat and connected meltwater events to atmospheric and sea surface temperatures, ice - rafting Heinrich events, sea level rise, and atmospheric greenhouse gas concentrations.

Sea - ice concentration in the Barents and Kara seas, expressed as a percentage.

Sea ice extent is defined by the area in which ice concentration exceeds 15 percent.

May ice extent defined as the 30 % ice concentration in the Greenland Sea / Fram Strait and Barents Sea based on the Norwegian ice charts (blue = 2013, red = 2012, orange = 2011, green = 2010, yellow = 2009).

Another simulation incorporated prescribed sea ice loss in autumn and winter based on satellite - derived Arctic sea ice concentrations.

The animation below of the sea ice concentration chart from Cryosphere Today shows changes in ice distribution from 31 December 2010 to 22 March 2011 in 5 day steps.

Southern Ocean: Sea Ice Concentration and Sea Surface Temperature Recently there has been a discussion about the link between SST and SIC in the Southern Ocean around Antarctica.

The average historic summer minimum (the yellow line in Fig. 1) indicates large portions of the Chukchi Sea's foraging habitat have been covered with summer ice concentrations of 50 % and greater for much of the 20th century.

Arctic sea ice extent reconstruction - Kinnard et al. 2011 Sea ice albedo feedback - NASA Polar jet stream - NC State University Greenland ice sheet surface melt - NASA Permafrost distribution in the Arctic - GRID - Arendal Atmospheric methane concentration - NOAA ESRL Russia plants flag at North Pole - Reutsea ice extent reconstruction - Kinnard et al. 2011 Sea ice albedo feedback - NASA Polar jet stream - NC State University Greenland ice sheet surface melt - NASA Permafrost distribution in the Arctic - GRID - Arendal Atmospheric methane concentration - NOAA ESRL Russia plants flag at North Pole - ReutSea ice albedo feedback - NASA Polar jet stream - NC State University Greenland ice sheet surface melt - NASA Permafrost distribution in the Arctic - GRID - Arendal Atmospheric methane concentration - NOAA ESRL Russia plants flag at North Pole - Reuters

[17] Before the advent of satellite - based imagery in 1973, sea ice concentration data for the Antarctic are not available, and sea ice extent data are not readily available for indi - vidual months, seasons or years, although some visible and infrared data do exist for 1966 — 1972 [Zwally et al., 1983] and some undigitized charts reside in national archives (e.g., V. Smolyanitsky, personal communication, 2002).

Hello there, Since I need to convert sea ice concentration to sea ice extent in MERRA - 2 (0.625 x 0.5) and JRA - 55 (1.25 x 1.25).

Sea ice concentration Dec 31 2010 to Mar 22 2011 The chart of sea ice concentration should be read in conjunction with the PIPS ice displacement chart animation and the current ice thickness chart belSea ice concentration Dec 31 2010 to Mar 22 2011 The chart of sea ice concentration should be read in conjunction with the PIPS ice displacement chart animation and the current ice thickness chart belsea ice concentration should be read in conjunction with the PIPS ice displacement chart animation and the current ice thickness chart below.

One of the difficulties using charts based on in situ observations is that there was very little exploration poleward of the «marginal ice zone» (the area of partial sea ice cover near the ice edge), so in older reconstructions the ice concentration was often assumed to be 100 % beyond the marginal zone.