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External Data Reference Global sea-level change rates
Reconstruction of global mean sea level back to 1870 and calculation of rates of sea level rise.
Located in Data and maps Datasets External datasets catalogue
External Data Reference Greenland ice-sheet volume changes
Comparison of rates of surface-elevation change on the Greenland ice sheet derived from European Remote-sensing Satellite-2 (ERS-2) radar-altimeter data with those obtained from laser-altimeter data collected over nearly the same time periods.
Located in Data and maps Datasets External datasets catalogue
External Data Reference D source code HadISST1 - Global sea ice and Sea Surface Temperature analyses
Global SST fields were created using a variety of techniques including Reduced Space Optimal Interpolation (RSOI). Sea ice concentration fields from different sources were analysed to make them as consistent as possible through time. Some care should be taken when using the sea-ice concentration data, particularly in the Southern Hemisphere where there is no realistic interannual variability in sea ice prior to 1973. The HadISST1 data set has been shown to be an improvement upon (and has superseded) the GISST data set.
Located in Data and maps Datasets External datasets catalogue
External Data Reference PostScript document Permafrost in the Swiss Alps
PERMOS is based on three types of observations: (1) ground temperatures measured at and below the surface at borehole sites, (2) changes in subsurface ice and unfrozen water content at these sites in- ferred by geoelectrical surveys, and (3) velocities of permafrost creep determined by geodetic surveys and/or photogrammetry. In addition, standardized documentation of fast mass movements from permafrost areas (e.g., rock fall) is being established.
Located in Data and maps Datasets External datasets catalogue
External Data Reference Recordings of the migration of the tropical fish species silvery john dory (Zenopsis conchifer) and rosy dory (Cyttopsis roseus)
Recordings of the migration of the tropical fish species silvery john dory (Zenopsis conchifer) and rosy dory (Cyttopsis roseus)
Located in Data and maps Datasets External datasets catalogue
External Data Reference Sea ice index
The Sea Ice Index provides a quick look at sea ice changes in spatial and historical context and gives a consistent, up-to-date source of sea ice extent and sea ice concentration values and images. The NSIDC Near-Real-Time DMSP SSM/I Daily Polar Gridded Sea Ice Concentrations and the Sea Ice Concentrations from Nimbus-7 SSMR and DMSP SSM/I Passive Microwave Data data sets are used to generate the monthly records of sea ice extent and sea ice concentration for the Arctic and Antarctica from satellite passive microwave data. Data files tabulate monthly mean extent and area, in millions of square kilometers, by year for a given month. Plots of monthly sea ice extent anomalies with trend lines and significance intervals are available. Monthly images show sea ice extent (with an outline of the median extent for that month for comparison), sea ice concentration, trends in sea ice concentration, and anomalies in sea ice concentration. Anomalies and median extent are calculated using a reference period of 1979 through 2000.
Located in Data and maps Datasets External datasets catalogue
External Data Reference Sea-level changes in Europe
Based on satellite data ; trends in mm/year, inverted barometer included, seasonal signal removed.
Located in Data and maps Datasets External datasets catalogue
External Data Reference D source code Sea surface temperature - Baltic and North Seas
Sea surface temperature - Baltic and North Seas
Located in Data and maps Datasets External datasets catalogue
External Data Reference Octet Stream Snow-Covered Area (SCA)
A comparison of monthly anomalies in Northern Hemisphere SCA derived from two satellite data sets: the NOAA snow charts revised by D. Robinson that map snow cover from primarily visible-wavelength sensors like AVHRR and GOES, and passive microwave (PM) algorithms using SMMR and SSM/I EASE-Grid brightness temperatures. Since both data sets exhibit significant month-to-month autocorrelation, we have estimated monthly trends with an autoregressive lag-1 model (AR(1)), using the method described by Weatherhead et al. (1998).
Located in Data and maps Datasets External datasets catalogue
External Data Reference Snowmelt extent and duration on the Greenland ice sheet
Active and passive microwave satellite data are used to map snowmelt extent and duration on the Greenland ice sheet.
Located in Data and maps Datasets External datasets catalogue
European Environment Agency (EEA)
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