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402 Titles Match Your Query
Showing 1 through 50 of 402 Next
1. Long-Term Ecological Research (LTER)/AND010: Population Studies of Rainbow and Cutthroat Trout in the H.J. Andrews Forest [LTER_AND010]
LTER - Long-Term Ecological Research Program/H.J. Andrews Forest (AND) LTER/AND010 [Summary adapted from the LTER Core Data Set Catalog]: Fish populations and habitat structure have been assessed ...


2. Long-Term Ecological Research (LTER)/AND013: Stream-Upland Wood Decay Experiment in the H.J. Andrews Forest [LTER_AND013]
LTER - Long-Term Ecological Research Program/H.J. Andrews Forest (AND) LTER/AND013 [Summary adapted from the LTER Core Data Set Catalog]: This study examines and contrasts the decay of small logs ...


3. Long-Term Ecological Research (LTER)/AND015: Riparian Geomorphic Surface-Vegetation Relationships in the H.J. Andrews Forest [LTER_AND015]
LTER - Long-Term Ecological Research Program/H.J. Andrews Forest (AND) LTER/AND015 [Summary adapted from the LTER Core Data Set Catalog]: Reaches of four streams (0.5 to 3+ km) were mapped for geomorphic ...


4. Long-Term Ecological Research (LTER)/AND016: Recovery of Riparian Vegetation Following Debris Torrent in the H.J. Andrews Forest [LTER_AND016]
LTER - Long-Term Ecological Research Program/H.J. Andrews Forest (AND) LTER/AND016 [Summary adapted from the LTER Core Data Set Catalog]: The study documents recovery processes of riparian vegetation ...


5. Long-Term Ecological Research (LTER)/AND017: Structure and Composition of Riparian Vegetation in the H.J. Andrews Forest [LTER_AND017]
LTER - Long-Term Ecological Research Program/H.J. Andrews Forest (AND) LTER/AND017 [Summary adapted from the LTER Core Data Set Catalog]: This study measures biomass of riparian vegetation strata. ...


6. Long-Term Ecological Research (LTER)/ARC001: Population Size Growth of Arctic Grayling at Kuparuk River and Oksrukuyik Creek, Alaska [LTER_ARC001]
LTER - Long-Term Ecological Research Program/Toolik Lake, Arctic Tundra, Alaska (ARC) LTER/ARC001 [Summary adapted from the LTER Core Data Set Catalog]: Arctic Grayling ...


7. Long-Term Ecological Research (LTER)/ARC005: Stream Discharge for Kuparuk River, Arctic Tundra, Alaska [LTER_ARC005]
LTER - Long-Term Ecological Research Program/Toolik Lake, Arctic Tundra, Alaska (ARC) LTER/ARC005 [Summary adapted from the LTER Core Data Set Catalog]: Stage height ...


8. Long-Term Ecological Research (LTER)/AND004: Stream Cross Section Profiles in H.J. Andrews Forest [LTER_AND004]
LTER - Long-Term Ecological Research Program/H.J. Andrews Forest (AND) LTER/AND004 [Summary adapted from the LTER Core Data Set Catalog]: This study was established to monitor changes in channel ...


9. Long-Term Ecological Research (LTER)/CDR014: Monoculture and Competition Gardens at Cedar Creek Natural History Area [LTER_CDR014]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR014 [Summary adapted from the LTER Core Data Set Catalog]: This experiment ...


10. Long-Term Ecological Research (LTER)/CDR015: Effect of NH4NO3 and Light Shading on Vegetation (UNFLN) at Cedar Creek Natural History Area [LTER_CDR015]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR015 [Summary adapted from the LTER Core Data Set Catalog]: The purpose of ...


11. Long-Term Ecological Research (LTER)/CDR017: Effect of Nitrogen Levels on Vegetation at Cedar Creek Natural History Area [LTER_CDR017]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR017 [Summary adapted from the LTER Core Data Set Catalog]: There are four ...


12. Zooplankton Composition and Abundance at the North Inlet Salt Marsh: Former Long-Term Ecological Research (LTER)/NIN009 [LTER_NIN009]
LTER - Long-Term Ecological Research Program/North Inlet Salt Marsh, South Carolina (NIN) LTER/NIN009 [Summary adapted from the LTER Core Dataset Catalog] In order to assess ...


13. Long-Term Ecological Research (LTER)/HFR001: Meteorological Data [LTER_HFR001]
HFR001: Minimum temperature, maximum temperature, and 24-hour precipitation amounts are recorded daily. The Harvard Forest LTER site (HFR) is primarily Eastern deciduous forest. Research topics include: ...


14. Long-Term Ecological Research (LTER)/HFR002: Forest Inventory [LTER_HFR002]
HFR002: Three forested tracts, comprising a total of 1,200 ha, are sampled every 10-30 years. Stand boundaries are located by ground survey (1936) or aerial photography (1946 and later). Each stand ...


15. Long-Term Ecological Research (LTER)/HFR003: Tree Maps [LTER_HFR003]
HFR003: Two sites are sampled every 5-15 years: (1) 4 ha, mixed hardwoods, since 1962; (2) 0.7 ha, hemlock, since 1990. Standing trees (> 5 cm) are mapped, and species type, DBH, canopy class, and ...


16. Long-Term Ecological Research (LTER)/HFR004: Ecosystem Response to Chronic Nitrogen Additions [LTER_HFR004]
HFR004: Nitrogen is being added as ammonium nitrate at rates of 50 and 150 kg/ha-yr in oak-maple and red pine stands. Measurements include nitrogen mineralization, litter decomposition, tree growth, ...


17. Long-Term Ecological Research (LTER)/HFR005: Post Hurricane Vegetation Response [LTER_HFR005]
HFR005: Plot level regeneration following the 1938 hurricane is measured at Harvard Forest (since 1938) and at Pisgah (Winchester, New Hampshire, since 1984). Measurements include tree species, DBH, ...


18. Long-Term Ecological Research (LTER)/HFR006: Hurricane Simulation [LTER_HFR006]
HFR006: Trees will be pulled down to simulate hurricane damage in two mixed hardwood plots: (1) 0.35 ha, September 1989; (2) 0.6 ha, September 1990. In the first plot, the extent of damage, changes ...


19. Long-Term Ecological Research (LTER)/KBS003: Kellogg Biological Station Baseline Variability Study [LTER_KBS003]
LTER - Long-Term Ecological Research Program/Kellogg Biological Station (KBS) LTER/KBS003 [Summary adapted from the LTER Core Data Set Catalog]: Results from a study of spatial variability conducted ...


20. Long-Term Ecological Research (LTER)/KBS006: Distribution and Composition of Seed Bank in Crop and Successional Communities [LTER_KBS006]
LTER - Long-Term Ecological Research Program/Kellogg Biological Station (KBS) LTER/KBS006 (Summary adapted from the LTER Core Data Set Catalog): The distribution and composition of the weed seed ...


21. Long-Term Ecological Research (LTER)/KBS011: Microbial Biomass Dynamics in Crop and Successional Communities [LTER_KBS011]
LTER - Long-Term Ecological Research Program/Kellogg Biological Station (KBS) LTER/KBS011 (Summary adapted from the LTER Core Data Set Catalog): Measurements of soil microbial biomass C and N by ...


22. Long-Term Ecological Research (LTER)/KBS013: Nitrous Oxide (N2O) and CO2 Fluxes from Cropped and Early Successional Communities [LTER_KBS013]
LTER - Long-Term Ecological Research Program/Kellogg Biological Station (KBS) LTER/KBS013 (Summary adapted from the LTER Core Data Set Catalog): Results from a study of N2O and CO2 fluxes from soybean/corn ...


23. Long-Term Ecological Research (LTER)/KBS018: Kellogg Biological Station Herbarium [LTER_KBS018]
LTER - Long-Term Ecological Research Program/Kellogg Biological Station (KBS) LTER/KBS018 (Summary adapted from the LTER Core Data Set Catalog): The KBS Herbarium contains over 6,000 specimens, ...


24. Long-Term Ecological Research (LTER)/NTL001: Physical Limnology of North Temperate Lakes Primary Study Lakes [LTER_NTL001]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL001 [Summary adapted from the LTER Core Data Set Catalog]: Parameters characterizing the physical limnology of the ...


25. Long-Term Ecological Research (LTER)/NTL002: Chemical Limnology of North Temperate Lakes Primary Study Lakes [LTER_NTL002]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL002 [Summary adapted from the LTER Core Data Set Catalog]: Parameters characterizing the chemical limnology of the ...


26. Long-Term Ecological Research (LTER)/NTL003: Plankton in North Temperate Lakes Primary Study Lakes [LTER_NTL003]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL003 [Summary adapted from the LTER Core Data Set Catalog]: Planktonic data include chlorophyll a, phytoplanktonic ...


27. Long-Term Ecological Research (LTER)/NTL004: Sediment Deposition in North Temperate Lakes Primary Study Lakes [LTER_NTL004]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL004 [Summary adapted from the LTER Core Data Set Catalog]: Settling particulate matter is collected using ...


28. Long-Term Ecological Research (LTER)/NTL005: Aquatic Macroflora Composition and Biomass in Trout Lake, Wisconsin [LTER_NTL005]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL005 [Summary adapted from the LTER Core Data Set Catalog]: These data were collected to document and characterize ...


29. Long-Term Ecological Research (LTER)/NTL006: Pelagic Macroinvertebrates in North Temperate Lakes Primary Study Lakes [LTER_NTL006]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL006 [Summary adapted from the LTER Core Data Set Catalog]: Five vertical tows are done at the deepest point of each ...


30. Long-Term Ecological Research (LTER)/NTL007: Crayfish in North Temperate Lakes Primary Study Lakes [LTER_NTL007]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL007 [Summary adapted from the LTER Core Data Set Catalog]: LTER core data include catch in cylindrical traps baited ...


31. Long-Term Ecological Research (LTER)/NTL008: Benthic Macroinvertebrates in North Temperate Lakes Primary Study Lakes [LTER_NTL008]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL008 [Summary adapted from the LTER Core Data Set Catalog]: Macroinvertebrates are collected from selected shoreline ...


32. Long-Term Ecological Research (LTER)/NTL009: Fish in North Temperate Lakes Primary Study Lakes [LTER_NTL009]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL009 [Summary adapted from the LTER Core Data Set Catalog]: Data are collected annually to enable us to track the ...


33. Long-Term Ecological Research (LTER)/NTL010: Determination of Pelagic Fish Abundance in North Temperate Lakes Primary Study Lakes [LTER_NTL010]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL010 [Summary adapted from the LTER Core Data Set Catalog]: Data are collected along a set of transects in each of ...


34. Long-Term Ecological Research (LTER)/NTL011: Groundwater Flow in the Area Surrounding the North Temperate Lakes Primary Study Lakes [LTER_NTL011]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL011 [Summary adapted from the LTER Core Data Set Catalog]: Monthly head measurements from a network of ...


35. Long-Term Ecological Research (LTER)/NTL012: Chemistry of the Groundwater in the Area Surrounding the North Temperate Lakes Primary Study Lakes [LTER_NTL012]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL012 [Summary adapted from the LTER Core Data Set Catalog]: A network of 11 monitoring wells is used to characterize ...


36. Long-Term Ecological Research (LTER)/NTL013: Lake Evaporation from Sparkling Lake, Wisconsin [LTER_NTL013]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL013 [Summary adapted from the LTER Core Data Set Catalog]: Questions relating to the flux of solute elements to and ...


37. Long-Term Ecological Research (LTER)/NTL014: Meteorological Data for Trout Lake Area [LTER_NTL014]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL014 [Summary adapted from the LTER Core Data Set Catalog]: Meteorological measurements are being gathered at a site ...


38. Long-Term Ecological Research (LTER)/NTL015: Ice Duration in North Temperate Lake Primary Study Lakes [LTER_NTL015]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL015 [Summary adapted from the LTER Core Data Set Catalog]: Data include day of freeze-up and thaw of seven primary ...


39. SHEBA Reconnaissance Imagery [G02180]
This data set consists of optical band reconnaissance imagery of the Surface Heat Balance of the Arctic (SHEBA) site acquired between August 1997 and September 1998. The images cover a variable area ...


40. Aerial Photography of Antarctica [USARC_AERIAL_PHOTOS]
The USARC maintains all US Aerial Antarctic Mapping photography and USGS flight indexes of the Antarctic. There are over 500,000 photographs in the collection. Most photographs are 9" x 9" black ...


41. Air and Soil Temperatures from Sites in Alaska 1995-2001 [GGD907]
This data set consists of air and soil temperatures from various sites in Alaska between 1995 and 2001. Data loggers recorded soil temperatures at 1 cm below the ground or snow surface, and air temperatures ...


42. Airborne Coherant Radar Sounding Data [atrs]
Developmental airborne coherent radar sounding data collected over a variety of sounding targets in Antarctica, including a full gridded survey of subglacial Lake Vostok and its environs. ...


43. Alaskan Air, Ground, Snow, and Soil Temperatures, 1998-2001 [GGD903]
This data set contains air and ground temperature measurements collected from three different regions, each with multiple sites. The regions sampled are North Slope, Council, and Ivotuk. Measurements ...


44. Atmospheric and Meteorological Data From the Kuwait Oil Fires Taken from Ground Observations [KUDA_GROUND_OBS]
Ground-based studies of the smoke and air quality from the Kuwait oil fires were carried out in 1991 at the end of the Persian Gulf War. Over 600 oil wells, storage tanks, and refineries were ignited ...


45. Atmospheric and Meteorological Data Over the Kuwait Oil Fires Taken From Aircraft [KUDA_AIRCRAFT]
Airborne studies of the smoke and pollution from the Kuwait oil fires were carried out in 1991 at the end of the Persian Gulf War. Over 600 oil wells, storage tanks, and refineries were ...


46. B-Be-Li Abundance and Isotope Data: Mt. Erebus-McMurdo Volcanics [Erebus_B-Be-Li]
A dataset of B, Be, and Li abundances, and Li and B isotopic ratios, for volcanic rocks from the McMurdo Volcanic Group, the Crary Mountains, and other intraplate volcanic centers, is available online ...


47. Central West Antarctica Aeromagnetic Data: A Web Site for Distribution of Data and Maps (on-line edition) [CWA_Aeromag_Data]
The aeromagnetic data presented here are one data set collected as a National Science Foundation (NSF) project entitled, "Lithospheric controls on the behavior of the West Antarctic ice sheet." This ...


48. Climate Data from Barrow and Atqasuk, Alaska, 1995-2001 [GGD908]
This data set presents various climate data from sites in Barrow and Atquasuk, on the Northern Slope of Alaska. Parameters include thaw depth, air temperature, precipitation, wind speed, light intensity, ...


49. Climate Data from North Inlet Meteorological Station with Water Parameters: Former Long-Term Ecological Research (LTER)/NIN001 [LTER_NIN001]
LTER - Long-Term Ecological Research Program/North Inlet Salt Marsh, South Carolina (NIN) LTER/NIN001 [Summary adapted from the LTER Core Data Set Catalog]: ...


50. Climate and Flux Data from Alaska Sites, 1998-2000 [GGD904]
This data set contains climate, flux, and bulk density data from Ivotuk and Council (Seward Peninsula), Alaska, collected from 1998 through 2000. Surface energy and trace gas exchange measurements ...


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