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1. AWI Moored ULS Data, Greenland Sea and Fram Strait, 1991-2002 [G02139]
This data set consists of Upward Looking Sonar (ULS) data from 11 moorings in the Greenland Sea. Parameters in the processed data files include ice draft, water pressure, and water temperature. Raw ...


2. Airborne Surface Profiling of Alaskan Glaciers [G01378]
This data set consists of glacier outline, laser altimetry profile, and surface elevation change data for 46 glaciers in Alaska and British Columbia, Canada, measured with an airborne laser altimetry ...


3. Environmental Working Group Arctic Meteorology and Climate Atlas [G01938]
The Environmental Working Group (EWG) was established in June 1995 under the framework of the U.S.-Russian Joint Commission on Economic and Technological Cooperation. In January 1996, the EWG Arctic ...


4. Environmental Working Group Joint U.S.-Russian Arctic Sea Ice Atlas [G01962]
Note: The Russian chart component of this product has been replaced and updated by Sea Ice Charts of the Russian Arctic in Gridded Format, 1933-2006 ...


5. Global Lake and River Ice Phenology Database [G01377]
The Global Lake and River Ice Phenology Database contains freeze and thaw/breakup dates as well as other descriptive ice cover data for 865 lakes and rivers in the Northern Hemisphere. Of the 542 ...


6. Morphometric Characteristics of Ice and Snow in the Arctic Basin: Aircraft Landing Observations from the Former Soviet Union, 1928-1989 [G02140]
This data set contains sea ice and snow measurements collected during aircraft landings associated with the Soviet Union's historical Sever airborne and North Pole drifting station programs. The High-Latitude ...


7. Reconstructed North American Snow Extent, 1900-1993 [G02130]
This data set contains reconstructed monthly North American snow extent values for November through March, 1900-1993. Investigators used a combination of satellite and station observations and based ...


8. Reconstructed North American, Eurasian, and Northern Hemisphere Snow Cover Extent, 1915-1997 [G02131]
This data set contains time series of monthly snow cover extent (SCE) for North America, Eurasia, and the Northern Hemisphere from 1915 to 1997, based on snow cover reconstruction and NOAA satellite ...


9. Russian River Ice Thickness and Duration [G01187]
This data set consists of river ice thickness measurements, and beginning and ending dates for river freeze-up events from fifty stations in northern Russia. The data set includes values from 1917 ...


10. Southern Hemisphere Ice Limits, 1973-1978 [G02129]
Weekly Southern Ocean ice limits, have been digitized from U.S. Navy Fleet Weather Facility ice charts, at the Max-Planck Institut fur Meteorologie, Hamburg. Coverage is from 1 January 1973 to 31 ...


11. 1996 Coastal Mississippi Habitat Data [usgs_nwrc_coastalmississippi]
This data set consists of digital data describing wetland and upland habitats in the coastal or near Gulf Coast areas of Mississippi, in 1996. The data set includes 23 7.5 minute quadrangles. Wetlands ...


12. 1998 Hurricane Mitch Honduras Habitat Data for the Gulf of Fonseca [usgs_nwrc_gulfoffoneseca]
This data set consists of digital data describing wetland and upland habitats in the southern coastal areas of Honduras affected by Hurricane Mitch in October 1998. The data set includes specifically ...


13. 1998 Hurricane Mitch Honduras Habitat Data for the Islas de la Bahia and Northern coastal region. [usgs_nwrc_islasdelabahia]
This data set consists of digital data describing wetland (including seagrass habitat) and upland habitats in the northern coastal areas of Honduras affected by Hurricane Mitch in October 1998. The ...


14. BioData - Aquatic Bioassessment Data for the Nation [USGS_BioData]
The U.S. Geological Survey (USGS) BioData Retrieval system provides access to aquatic bioassessment data (biological community and physical habitat data) collected by USGS scientists from stream ecosystems ...


15. Galveston Bay, Texas Habitat Data from NWRC [usgs_nwrc_texaswetlands]
This data set consists of digital data describing wetland and upland habitats in the Galveston Bay and surrounding areas of Texas, in 1979. The data set includes 42 7.5' quadrangles which were digitized ...


16. Glacier Mass Balance and Regime Measurements and Analysis, 1945-2003 [G10002]
This data set consists of glacier regime parameters observed between 1945 and 2003. Data include annual mass balances, ablation, accumulation, and equilibrium-line altitude of mountain and subpolar ...


17. Glacier Monitoring Protocol for the Long-term Ecological Monitoring Program [usgsbrdasc00000003]
Denali National Park and Preserve is a unique laboratory for glacier research because of its extensive ice cover. Fully 17% of Denali's six million acres is currently covered by glacier ice. These ...


18. Greenland Snow Pit and Core Stratigraphy (Analog and Digital Formats) [G10004]
This data set is comprised of scientific field study notebooks from geologist Carl S. Benson describing his traverses of Greenland from 1952 to 1955. The notebooks contain data on Greenland snow accumulation, ...


19. Gulf of Mexico Coastal Louisiana Habitat Data from NWRC [usgs_nwrc_coastallouisiana]
This data set consists of digital data describing wetland and upland habitats in the coastal or near Gulf Coast areas of Louisiana, in 1988. The data set includes 343 7.5' quadrangles which were digitized ...


20. Long-term Stream Chemistry Patterns; Andrews Experimental Forest Watershed Proportional Samples [HJA-CF002]
Long-term records of streamflow chemistry reflect the sampling effort and laboratory analysis initiated in 1968. The study examines nutrient outputs via stream runoff in small watersheds. The original ...


21. Microbial Contamination of Water Resources in the Chatahoochee River National Recreation Area, Georgia [usgs_nps_d_microbialcontam]
The study area is the watershed for the Chattahoochee River from Buford Dam to just downstream of the mouth of Peachtree Creek. This study area includes the entire Chattahoochee River National Recreation ...


22. NWRC Wetlands Habitat Data for Gulf of Mexico Coast [usgs_nwrc_coastalalabama]
This data set consists of digital data describing wetland and upland habitats in the coastal Mobile Bay and nearby Gulf Coast areas of Alabama, in 1956, 1979 and 1988. The data set includes 30 7.5' ...


23. National Wetlands Research Center Habitat Data for Tampa Bay, Florida [usgs_nwrc_tampabay]
This data set consists of digital data describing wetland and upland habitats in Tampa Bay FL., in 1972. The data set includes 27 7.5 quadrangles which were digitized at the U.S. Geological Survey, ...


24. Stream Channel Reference Sites:Channel Morphometry/Water Chemistry Monitoring Protocol for the Long-term Monitoring Program at Denali National Park and Preserve [usgsbrdasc00000001]
Compilation of protocols for the sampling and analyses of aquatic systems in Denali National Park and Preserve's long-term ecological monitoring (LTEM) program. The aquatic systems monitoring program ...


25. An Electronic Atlas of Great Lakes Ice Cover, Winters 1973-2002 [G02166]
This dataset is distributed by the National Oceanic and Atmospheric Administration (NOAA) Great Lakes Environmental Research Laboratory (GLERL). The atlas contains data on over 1200 digitized Great ...


26. Arctic Sea Ice Melt Pond Statistics and Maps, 1999-2001 [G02159]
Visible band imagery from high-resolution satellites were acquired over four Arctic Ocean sites (three in 1999) during the summers of 1999, 2000, and 2001. The sites were within the median extent ...


27. Good Days on the Trail, 1938-1942: Film Footage of the Rocky Mountains, Colorado [G02175]
This film documents student hiking trips conducted by the University of Colorado at Boulder in the Rocky Mountains, Colorado, USA during the summers of 1938-1942. The hikes took place in various ...


28. IMS Daily Northern Hemisphere Snow and Ice Analysis at 4 km and 24 km Resolution [G02156]
The National Environmental Satellite, Data, and Information Service (NESDIS), part of the National Oceanic and Atmospheric Administration (NOAA), has an extensive history of monitoring snow and ice ...


29. Ice Draft and Ice Velocity Data in the Beaufort Sea, 1990-2003 [G02177]
This data set provides measurement of sea ice draft (m) and the movement of sea ice (cm/s) over the continental shelf of the Eastern Beaufort Sea. The data set spans April 1990 to September 2003. ...


30. International Polar Year Historical Data and Literature [G02201]
The International Polar Year Historical Data and Literature collection (formerly known as the Discovery and Access of Historic Literature from the IPYs (DAHLI) project) is an online data collection ...


31. Land Area Change in Coastal Louisiana from 1932 to 2010 [USGS_NWRC_LA_LandChange_1932-2010]
The analyses of landscape change presented in this dataset use historical surveys, aerial data, and satellite data to track landscape changes in coastal Louisiana. Persistent loss and gain data are ...


32. Preliminary maps of Quaternary deposits and liquefaction susceptibility, nine-county San Francisco Bay region, California: a digital database, USGS OFR 00-444 [USGS_OFR_00444]
Map delineation of the different types and ages of Quaternary deposits supports evaluation of susceptibility to liquefaction, the immediate application of the work, but serves many other purposes ...


33. Salinity Maps for Florida Bay [USGS_SOFIA_halleysalt06]
The maps show the surface salinity for Florida Bay at 5ppt salinity intervals approximately every other month beginning in November 1994 through December 2001 and the bottom salinity for 1994-1996. ...


34. Sedimentation, Sea-Level Rise, and Circulation in Florida Bay [USGS_SOFIA_RHsedsal]
The goal of this project was to document decade- to century- scale processes associated with sediment transport in Florida Bay. The results will quantify the influence of bottom topography on water ...


35. Snow Data Assimilation System (SNODAS) Data Products at NSIDC [G02158]
Notice: If you are having difficulties subsetting SNODAS data via Polaris, please contact nsidc@nsidc.org.

This data set contains output from the NOAA National ...


36. Timing and Statistics of Autumn and Spring Annual Snow Cover for the Northern Hemisphere [G02168]
The National Snow and Ice Data Center hosts a time-series data set comprising annual snow cover data for the Northern Hemisphere (covering land primarily over 45 degrees North) from 1972 to 2000. ...


37. Wetlands losses in the United States 1780's to 1980's. [USGS_NPWRC_WetlandLoss_1780s-1980s]
Wetlands are disappearing at a rapid rate. Although measures are actively being sought to stem wetland losses and restore wetland acreage, the rate of wetland conversion over the years has been dramatic. ...


38. AMSR-E/Aqua 5-Day L3 Global Snow Water Equivalent EASE-Grids [AE_5DSno]
The Advanced Microwave Scanning Radiometer - Earth Observing System (AMSR-E) instrument on the NASA Earth Observing System (EOS) Aqua satellite provides global passive microwave measurements of terrestrial, ...


39. Archive of Chirp Data Collected During USGS Cruise DIAN 97011 Long Island, NY Inner Shelf -- Fire Island, 5-26 May, 1997, USGS OFR 00-306 [USGS_OFR_00366]
In 1995, the USGS Woods Hole Field Center, in cooperation with the U.S. Army Corps of Engineers, began a program designed to map the seafloor offshore of the New York-New Jersey metropolitan area; ...


40. Arctic and Southern Ocean Sea Ice Concentrations [G00799]
Monthly sea ice concentration for Arctic (1901 to 1995) and Southern oceans (1973 to 1990) were digitized on a standard 1-degree grid (cylindrical projection) to provide a relatively uniform set of ...


41. Central Asian Snow Cover from Hydrometeorological Surveys [G01171]
The Central Asian Snow Cover from Hydrometeorological Surveys data are based on observations made by personnel for three river basins: Amu Darya, Sir Darya, and Naryn. These observations include end ...


42. Estonian Mean Snow Depth and Duration (1891-1994) [G01174]
This data set contains the number of days of snow cover in days per year, and three 10-day snow depth means per month in centimeters from stations across Estonia. The days of snow cover data extend ...


43. Former Soviet Union Hydrological Snow Surveys, 1966-1996 [G01170]
The Former Soviet Union Hydrological Snow Surveys are based on observations made by personnel at 1,345 sites throughout the Former Soviet Union between 1966 and 1990, and over 200 of those sites between ...


44. GLERL Great Lakes Ice Concentration Data Base, 1960-1979 [G00804]
Ice concentration grids for 1960 to 1979 are archived for half-month periods, generally December through April. Data values are coded to the nearest ten percent for each 5 x 5 km grid square. A file ...


45. GLERL Great Lakes Ice Thickness Data Base, 1966-1979 [G00803]
During the winters of 1965/66 through 1976/77, NOAA/Great Lakes Environmental Research Laboratory (GLERL) collected weekly ice thickness and stratigraphy data at up to 90 stations per year on the ...


46. GLERL Radiation Transfer Through Freshwater Ice [G00802]
Radiation transmittance (ratio of transmitted to incident radiation) through clear ice, refrozen slush ice and brash ice, from ice surface to ice-water interface in the 400 to 600 nanometer range ...


47. Glacier Photograph Collection [G00472]
The National Snow and Ice Data Center (NSIDC) in Boulder, Colorado houses many photographic prints of glaciers, taken both from the air and from the ground. These photographs constitute an important ...


48. Great Lakes Aerial Photos of Ice Conditions [G00494]
The collection consists of approximately 50,000 high-quality negatives and transparencies showing ice cover impact on navigation or hydroelectric operation from 1963 to 1973. Coverage is not systematic ...


49. Great Lakes Daily Ice Observations at NOAA Water Level Gauge Sites [G00945]
Ice type codes, recorded daily from 1 November - 30 April by cooperative observers at up to 39 NOAA/National Ocean Service water level gauge sites on the Great Lakes, 1955/56 to 1996/97, are archived. ...


50. Great Lakes Ice Charts [G00486]
Charts show ice extent and concentration three times weekly during the ice season, for all lakes except Ontario, from the 1973/74 ice season through the 2001/2002 ice season. Most charts are annotated ...


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