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1.
Ice floe surveying conducted during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Ice_Floe_Survey]
PARENT DIF
These data were collected to provide a spatial context for activities on SIPEX-2.
Please see the document 'SIPEX II ice floe surveying report' for more detail.
Files generated and stored in this dataset ...
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2.
2013 Wintertime Arctic Sea Ice Maximum Fifth Lowest on Record [2013WintertimeArcticSeaIceMaximumFifthLowestOnRecord]
Last September, at the end of the northern hemisphere summer, the Arctic Ocean?s icy cover shrank to its lowest extent on record, continuing a long-term trend and diminishing to about half the size ...
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3.
NSIDC: Greenland Cumulative Melt Days Annual Average 1979-2007 [NSIDC-GreenlandCumulativeMeltDaysAnnualAverage1979-2007]
The image shows the average cumulative melt days for the Greenland Ice Sheet for the period 1979 to 2007. Oranges and reds indicate greater numbers of melt days, while blues and greens indicate no ...
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4.
NSIDC: Greenland Ice Extent 2012 [NSIDC-GreenlandMeltExtent2012]
Greenland?s 2012 melt season started early, surpassing the 30-year average for melt-covered area in mid-May, and remaining far in excess of typical conditions for June, July, and through mid August. ...
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5.
NASA EO: Ice Loss in the Canadian Arctic Archipelago [NASA_EO_IceLossCanadianArcticArchipelago]
Though much attention has been focused in recent years on the melting of ice from Greenland and Antarctica, nearly half of the ice volume currently being lost to the ocean is actually coming from ...
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6.
SOCC: Sea Ice Extent 1951 to 1999 [SOCC_Sea_Ice_Extent1951-1999]
Prior to 1950, the reconstruction of the historical record for sea ice suffered from lack of data and incomplete coverage. Since then, however, most circumpolar countries have kept regular comprehensive ...
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7.
NOAA ClimateWatch Magazine: Daily Ice Volume, 1979-present [NOAA-CWM_DailyIceVolume1979-Present]
Animated graph of daily ice volume from 1979 through mid-August 2012. Volume is shown in thousands of cubic kilometers.
(Animation by climate.gov team, based on modeled ice volume data from the Polar ...
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8.
NOAA ClimateWatch Magazine: Loss of multi-year Arctic sea ice, 1987-present [NOAA-CWM_LossMulti-YearArctic1987-Present]
Animation of maps of sea ice age classification from 1987 through mid-August 2012. The first age class on the scale (1) means ?first-year ice,? which is ice that formed in the most recent winter. ...
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9.
Arctic Report Card: Fractional area (%) of the Greenland Ice Sheet identified as melting from SSM/I 1981-2011 [ARC_GreenlandIceSheetMelting1981-2011]
Surface melting (T. Mote and M. Tedesco)
In 2012, ice sheet surface melting set two new, satellite era records - melt extent and melt index - according to passive microwave observations made since ...
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10.
Arctic Research Program: 2008 Greenland ice sheet surface melt duration anomalies relative to the 1989–2008 base period based on SSM/I [ARP_2008GreenlandIceSheetSurfaceMeltSSMI]
Surface melt extent and duration
Passive (SMMR and SSM/I, 1979?2008) and active (QuikSCAT, 2000?08) microwave remote sensing (Bhattacharya et al. 2009, submitted to Geophys. Res. Lett.; Liu et al. ...
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11.
Arctic Research Program: 2008 Greenland ice sheet surface melt duration anomalies relative to the 2000–2008 base period based on QuikSCAT [ARP_2008GreenlandIceSheetSurfaceMeltQuikSCAT]
Surface melt extent and duration
Passive (SMMR and SSM/I, 1979?2008) and active (QuikSCAT, 2000?08) microwave remote sensing (Bhattacharya et al. 2009, submitted to Geophys. Res. Lett.; Liu et al. ...
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12.
Arctic Research Program: The time series of the anomalies in sea ice extent in March and September for the period 1979–2009. [ARP_TimeSeriesiceExtentMarchSeptember19792009]
Time series of the percent difference in ice extent in March (the month of ice extent maximum) and September (the month of ice extent minimum) relative to the mean values for the period 1979?2000. ...
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13.
CSB: 10-year averages between 1979 and 2008 and yearly averages for 2007, 2009, and 2010 of the daily (a) ice extent and (b) ice area in the Northern Hemisphere. [CSB_IceExtentIceAreaArctic1979-2010]
The sea ice cover is one of the key components of the climate system. It has been a focus of attention in recent years, largely because of a strong decrease in the Arctic sea ice cover and modeling ...
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14.
CSB: Antarctic Sea Ice Results from the AMSR-E Bootstrap (ABA) and NASA Team (NT2) Algorithms: Similar and Not Identical 2002-2007 [CSB_AntarcticSeaIce_ABA_NT0207]
Monitoring polar sea ice is one of the prime objectives of Aqua's AMSR-E instrument, adding valuable information about this highly variable component of global climate. Results from satellite observations ...
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15.
CSB: Antarctic Sea Ice Variability 1979-2006 [CSB_AntarcticSeaIceVariability1979-2006]
Monthly-averaged Antarctic sea ice extents derived from satellite passive microwave radiometers (from the Nimbus 7 Scanning Multichannel Microwave Radiometer (SMMR) and the DMSP F8, F11, and F13 Special ...
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16.
CSB: Changes in Arctic sea ice melt onset, freeze-up, and melt season length derived from satellite data 1972-2008 [CSB_ArcticSeaIce79-08TM]
Earlier or extended sea ice melt in response to rising atmospheric temperatures may be one of the primary drivers for the shrinking Arctic sea ice cover. We calculate both melt and freeze onset dates ...
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17.
CSB: Cooling and Enhanced Sea Ice Production in the Ross Sea 1992 to 2007 [CSB_CoolingEnhancedSeaIceProductionRossSea92-07]
The Antarctic Sea cover has been increasing at 2.0% per decade, while the Arctic ice cover has been declining at -4.4% per decade. Increases in the Antarctic ice area have been attributed, through ...
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18.
CSB: Greenland Ice Sheet Surface Temperature and Mass Loss: 2000–2006 [CSB_GreenlandIceSheetST_MassLoss20002006]
Surface Temperature of the Greenland Ice Sheet is near 0?C around its southern margins during the melt season. This highlights the metastability of parts of the ice sheet, and the susceptibility to ...
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19.
Canada Median End Date of Continuous Snow Cover 1979 to 1997 [CanadaMedianEndDateContSnowCover1979-97]
This map shows the median date of snow-cover loss (defined as the last date with 14 consecutive days of snow cover greater than 2 centimetres in depth) computed over 18 winter seasons (1979 to 1997). ...
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20.
Canada's average maximum snow depth in centimetres computed over 18 winter seasons (1979 to 1997) [Canada_AverageMax_Snow_Depth1979-97]
This map shows the average maximum snow depth in centimetres computed over 18 winter seasons (1979 to 1997). Over southern Canada this usually occurs in January or February, while the time of maximum ...
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21.
CryoClim: Time series of Midtre Lovenbreen, Svalbard, mass balance 1967-2007 [CryoClim-TimeSeriesMidtreLovenbreenSvalbard-MassBalance1967-2007]
Time series of Midtre Lovenbreen, Svalbard, mass balance
The mass balance of Midtre Lovenbreen and Austre Br?ggerbeen in Svalbard have been monitored by the Norwegian Polar Institute since 1967. ...
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22.
ESA: Himalaya elevation differences 2003-2008 [ESA_HimalayaElevationDifferences2003-08]
New study maps Himalayan glacier behaviour
23 August 2012
Glaciers are one of the largest reservoirs of freshwater on our planet, and their melting or growing is one of the best indicators of climate ...
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23.
GFDL: Arctic Sea Ice Changes 1860-2100 [GFDL_Arctic_Sea_Ice_Changes_1860-2100]
The future of Arctic sea-ice is a concern for various reasons and simulations with GFDL's Coupled Model version 2.1 suggest a decline in sea-ice concentration, especially during the 21st century. ...
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24.
NASA: Sea ice extent anomalies in Ross Sea and Bellingshausen/Amundsen Seas. [NASA_SeaIceExtentAnomaliesAntarcticSeas201104]
Monthly anomalies of sea ice extents in the Ross Sea and Bellingshausen/Amundsen Seas. Ice extent is defined as the integral sum of the areas covered by sea ice with 15% ice concentration and higher. ...
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25.
NASA: Sea ice extent anomalies in Ross Sea and Bellingshausen/Amundsen Seas. [NASA_SeaIceDrift1992-2008]
Yearly averages of winter ice drift data from 1992 to 2008 as derived from satellite passive microwave data and corresponding sea level pressure during the same period as derived from NCEP reanalysis ...
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26.
NASA: Sea ice production in the Ross Sea shelf 1992-2008 [NASA_SeaIceProductionRossSeaShelf1992-2008]
Yearly sea ice production and salinization from 1992 to 2008 in the Ross Sea shelf region as derived from coastal polynyas in the region. Coastal polynyas are regarded as ice factories and the key ...
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27.
NOAA: Old Ice Becoming Rare in Arctic [NOAA_OldIceBecomingRareInArctic1987-2011]
The Arctic Ocean is virtually surrounded by land. The blanket of sea ice that forms there during the winter isn?t completely free to drift away into warmer, southern waters. Because of that geography, ...
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28.
NSIDC: Arctic Sea Ice Age 2003-2012 [NSIDC_ArcticSeaIceAge2003-2012]
Ice age data shows thin ice cover
One key predictor for summer ice melt is the amount of old, thick ice in the Arctic at the end of the winter. Some ice thickness data are available from satellites, ...
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29.
NSIDC: Arctic Sea Ice Extent Standardized Anomalies Jan 1953-Oct 2008 [NSIDC_ArcticSeaIceExtent1953-2008]
Passive microwave satellite data reveal that, since 1979, winter Arctic ice extent has decreased about 4.2 percent per decade (Meier et al. 2006). Antarctic ice extent is increasing (Cavalieri et ...
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30.
NSIDC: Hign Altitude Winds and September Sea Ice Area 1980-2010 [NSIDC_HignAltitudeWindsSeptemberSeaIceArea1980-2010]
Rapid Arctic warming and mid-latitude weather
The Arctic has warmed about twice as fast as the rest of the Northern Hemisphere in recent decades. Summer Arctic sea ice has declined by 40%, and snow ...
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31.
NSIDC: Models Underestimate Loss of Arctic Sea Ice 1950-2050 [NSIDC_ObservedProjectedArcticSeptSea-IceExtent1950-2050]
Arctic sea ice is melting at a significantly faster rate than projected by the most advanced computer models, a new study concludes (see Figure 1).
Scientists at the National Snow and Ice Data Center ...
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32.
NSIDC: Northern Hemisphere monthly SCA, 1978-2006, from NOAA snow charts (orange) and microwave satellite (purple/green) data sets [NSIDC_NH_Snow-Covered1978-2005]
Northern Hemisphere monthly snow-covered area: This graph covers the years 1978-2005, based on NOAA snow charts (orange) and microwave satellite (purple/green) data sets. Image by Richard Armstrong ...
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33.
NSIDC: Northern Hemisphere spring duration of snow cover derived from visible satellite data, 1978-2006 [NSIDC_SpringDurationSnowCover1978-2006]
The 28 year trend in snow extent derived from visible and passive microwave satellite data indicates an annual decrease of approximately 1 to 3 percent per decade with greater deceases of approximately ...
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34.
NSIDC: Percent of total amount of ice 1981 - 2009 [NSIDC_SeaIceYoungThin_81-09]
These images show declining sea ice age, which indicates a thinning Arctic sea ice cover more vulnerable to melting in summer. Ice older than two years now accounts for less than 10% of the ice cover. ...
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35.
SVS-CSB: Poster of the Jakobshavn Glacier Calving Front Recession from 1851 to 2010 [SVS-CSB_JakobshavnGlacier1851-2009]
The Jakobshavn Isbrae glacier, also known as Sermeq Kujalleq, is located on the west coast of Greenland at Latitude 69 degrees N. The ice front, where the glacier calves into the sea, receded more ...
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36.
UNEP: Northern Hemisphere snow-cover extent anomalies 1966-2005 [UNEP_NH_SnowCoverExtentAnomalies1966-2005]
Northern Hemisphere snow-cover extent anomalies 1966-2005. Data from satellite monitoring from 1966 to 2005 show that mean monthly snow-cover extent in the Northern Hemisphere is decreasing at a rate ...
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37.
USGS: Modeled Climate-Induced Glacier Change in Glacier National Park, 1850-2100 [USGS_ClimateInducedGlacierChangeGlacierNationalPark1850-2100]
The glaciers in the Blackfoot?Jackson Glacier Basin of Glacier National Park, Montana, decreased in area from 21.6 square kilometers (km2) in 1850 to 7.4 km2 in 1979. Over this same period global ...
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38.
WGMS: Mean annual mass balance of reference glaciers 1980-2008 [WGMS_GlacierMassBalance1980-2008]
Preliminary mass balance values for the observation period 2007/08 have been reported now from more than 90 glaciers worldwide. The mass balance statistics (Table 1) are calculated based on all reported ...
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39.
WGMS: Mean cumulative mass balance of all reported glaciers (black line) and the reference glaciers (red line). 1980-2008 [WGMS_GlacierMeanCumulativeMassBalance1980-2008]
Preliminary mass balance values for the observation period 2007/08 have been reported now from more than 90 glaciers worldwide. The mass balance statistics (Table 1) are calculated based on all reported ...
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40.
Canada Median Start Date of Continuous Snow Cover 1979 to 1997 [CanadaMedianStartDateContSnowCover1979-97]
This map shows the median date of snow-cover onset (defined as the first date with 14 consecutive days of snow cover greater than 2 centimetres in depth) computed over 18 winter seasons (1979 to 1997). ...
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41.
NASA/SVS: A Tour of the Cryosphere 2009 [SVS_CRYOSPHERE_VIS]
The cryosphere consists of those parts of the Earth's surface where water is found in solid form, including areas of snow, sea ice, glaciers, permafrost, ice sheets, and icebergs. In these regions, ...
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42.
Arctic Report Card: Arctic seasonal snow cover duration (SCD) standardized anomaly time series (with respect to 1988-2007) from the NOAA record for the first (fall) half of the snow season. [ARC_ArcticSeasonalSnowCoverDuration1988-2011fall]
Spatial patterns of fall, spring and seasonal SCD anomalies derived from the NOAA CDR for 2010/11 show little evidence of fall SCD anomalies over the Arctic, while the early spring melt anomaly in ...
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43.
Arctic Report Card: Monthly Arctic snow cover extent (SCE) anomaly time series (with respect to 1988-2011) from the NOAA snow chart CDR for May [ARC_MonthlyArcticSCEanomaly1988-2011May]
Anomalies for each year (the difference between the time series mean and each individual monthly value) were standardized by the monthly standard deviation through the time series and are, therefore, ...
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44.
BAS: Thinning of Greenland and Antarctic ice sheets 2003-2007 [BAS-LasersGreenlandAntarctic2003-2007]
The team used data from NASA?s high-resolution ICESat (Ice, Cloud and Land Elevation Satellite). Launched in January 2003, ICESat was sent into a polar orbit to examine changes in the world's ice ...
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45.
UNEP: Shrinking Lewis Glacier, Mount Kenya [UNEP_ShrinkingLewisGlacierMountKenya1893-2004]
Shrinking Lewis Glacier, Mount Kenya. The tropical Lewis Glacier retreated by more than 800 m between 1893 and 2004 and lost almost 16 m water equivalent of its thickness between 1979 and 1996. Located ...
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46.
Arctic Report Card: Arctic seasonal snow cover duration (SCD) standardized anomaly time series (with respect to 1988-2007) from the NOAA record for the second (spring) half of the snow season. [ARC_ArcticSeasonalSnowCoverDuration1988-2011spring]
Spatial patterns of fall, spring and seasonal SCD anomalies derived from the NOAA CDR for 2010/11 show little evidence of fall SCD anomalies over the Arctic, while the early spring melt anomaly in ...
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47.
Arctic Report Card: Greenland ice sheet surface mass balance (GrIS SMB) anomalies in Gt/yr simulated by MAR (Modèle Atmosphérique Régional) relative to 1971-2000 [ARC_GreenlandIceSheetSurfaceMassBalance1958-2010]
Surface mass balance from MAR simulations (X. Fettweis)
The observationally-constrained Mod?le Atmosph?rique R?gional (MAR) (Fettweis et al., 2011) is coupled with a one-dimensional multi-layered ...
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48.
Arctic Report Card: Monthly Arctic snow cover extent (SCE) anomaly time series (with respect to 1988-2011) from the NOAA snow chart CDR for April [ARC_MonthlyArcticSCEanomaly1988-2011April]
Anomalies for each year (the difference between the time series mean and each individual monthly value) were standardized by the monthly standard deviation through the time series and are, therefore, ...
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49.
Arctic Report Card: Monthly Arctic snow cover extent (SCE) anomaly time series (with respect to 1988-2011) from the NOAA snow chart CDR for June [ARC_MonthlyArcticSCEanomaly1988-2011June]
Anomalies for each year (the difference between the time series mean and each individual monthly value) were standardized by the monthly standard deviation through the time series and are, therefore, ...
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50.
CSB: Greenland Melt Continues Its Rise 1979-2007 [CSB_GreenlandMeltContinues1979-2007]
A distinct melt signature in the Passive Microwave (PM) satellite data (Scanning MultiChannel Microwave Radiometer (SMMR) and Special Sensor Microwave Imager (SSM/I)) enable the tracking of melt area ...
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