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108 Titles Match Your Query
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1. Carbon-Isotopic Composition of Atmospheric CO2 since the Last Glacial Maximum [NSIDC-0108_1]
These data describe the concentration and carbon-isotopic composition (d13CO2) of atmospheric CO2 from air trapped in ice between 27,000 and 1,300 years before present from Taylor Dome, Antarctica. ...


2. Concentration and Isotopic Composition of O2 and N2 in Trapped Gases of the Vostok Ice Core [NSIDC-0107_1]
These data describe the d18O of O2, d15N of N2, d18Oatm, and O2/N2 ratios of trapped gases in the Vostok ice core from East Antarctica. The investigator used a mass spectrometer to measure gas concentrations ...


3. Tephra in Siple and Taylor Dome Ice Cores [NSIDC-0110_1]
This data set consists of electron microprobe geochemical analyses of glass shards sampled from Siple Dome and Taylor Dome ice cores during the 1999-2000 field season. Geochemical data are in tab-delimited ...


4. CEAMARC marine sediment samples - collected on voyage 3 of the Aurora Australis, 2007-2008 [CEAMARC-200708_V3_MARINE_SEDIMENT_SAMPLES]   PARENT METADATA
Marine sediment samples were obtained from box corer, Smith-MacIntyre and Van Veen grabs. Samples were named by: 1. CEAMARC site (e.g. 16) 2. Instrument (e.g. box corer = BC; Smith-MacIntyre = GRSM; ...


5. New Hampshire Estuaries Project [gomc_215]   CHILD METADATA
The New Hampshire Estuaries Project (NHEP) compiles data from many coastal and estuarine monitoring programs to assess the status and trends of environmental indicators in the Great Bay and Hampton/Seabrook ...


6. A Spatial Model of Atmospheric Deposition For the Northeastern U.S. [EOSWEBSTER_CLIMCALC_NE_US]   PARENT METADATA
CLIMCALC is a simple model of physical and chemical climate for the northeasten United States (New York and New England) that can be incorporated into a geographic information system (GIS) for integration ...


7. Agricultural, Geographic and Population data for Counties in the Contiguous United States [EOSWEBSTER_US_County_Data]   CHILD METADATA
Annual crop data from 1972 to 1998 are now available on EOS-WEBSTER. These data are county-based acreage, production, and yield estimates published by the National Agricultural Statistics ...


8. Crop Modeling Data Sets [USDA0076]
Provide database to build process-level crop simulation models. Database is for all crops, but focus is currently on cotton. Crop, plant and weather data are collected. Collection Organization: ...


9. Daily Estuarine Surface Water Nutrient And Water Quality, Suspended Sediment, and Chlorophyll a Data for the North Inlet Estuary, 1978-1993 [baruch_1978]
A one 1000 ml (one Liter) water sample was collected daily (at approximately 1000 hrs EST - but see note below in section 1.2.3 Supplemental Information) at a depth of 0.5 meter below the water's ...


10. Fertilizer Use and Price Statistics, 1964-1991 [USDA0048]
The data contained on this disk includes most of the historical information pertaining to State and U.S. fertilizer use statistics for four major crops: corn, cotton, soybeans, and wheat from 1964 ...


11. Nitrogen Fertilization data for Counties in the Contiguous United States [EOSWEBSTER_US_County_Data_1]   PARENT METADATA
This dataset provides county-level data for Nitrogen fertilizer applied to county croplands [1000 kg N/yr]. This includes only those crops used in an assessment of greenhouse gas production from US ...


12. The Accumulation and Bioavailability of Soil Nitrogen and Carbon Under Long-term Farming Systems in Pennsylvania. [usda.ars.PSWMRL.LongTermFarm]
(from Project Abstract) Problem: the objective of this research is to determine and contrast soil nitrogen, soil carbon, and soil phosphorus accumulation and availability under common farming systems ...


13. The Accumulation and Bioavailability of Soil Organic Carbon and Nitrogen Under Common Buffer Vegetation in Mid-Atlantic States. [usda.ars.PSWMRL.CommonBuffer]
(from USDA ARS Carbon Storage Planning Workshop Abstracts) Problem: There are large acerages of woods and cool-season grasses in the northeast today, and there may soon be substantial acreages of ...


14. Emissions of NOX - Total (National Reports, UNFCCC) [geodata_1846]
Nitrogen dioxide is a poisonous, pungent gas formed when nitric oxide combines with hydrocarbons and sunlight, producing a photochemical reaction. These conditions occur in both natural and anthropogenic ...


15. Long-Term Ecological Research (LTER)/HBR012: Revegetation Surveys on a Disturbed Watershed (WS 2) at the Hubbard Brook [LTER_HBR012]
LTER - Long-Term Ecological Research Program/Hubbard Brook Experimental Forest (HBEF). LTER/HBR012: During the winter of 1965-1966, watershed 2 at HBEF was clearcut and all trees left on site. During ...


16. Vegetation/Ecosystem Modeling and Analysis Project (VEMAP) gridded annual and monthly biogeographic and biogeochemical time series data [EOSWEBSTER_VEMAP2_4]   PARENT METADATA
The EOS-WEBSTER VEMAP2 Data Collection contains several datasets which provide historical and future climate variables, and monthly and annual biogeochemical model outputs. ...


17. Vegetation/Ecosystem Modeling and Analysis Project (VEMAP) gridded monthly and annual time series data [EOSWEBSTER_VEMAP2]   CHILD METADATA
The EOS-WEBSTER VEMAP2 Data Collection contains several datasets which provide historical and future climate variables, and monthly and annual biogeochemical model outputs. ...


18. Analysis: low oxygen concentrations and biogenic elements associated with Equatorial Subsurface water, and variability in Humboldt Current System off Chile [GLOBEC_039_CHL_003]   PARENT METADATA
Analysis of the distribution of low oxygen concentrations and biogenic elements associated with the Equatorial Subsurface water and characterization of seasonal and inter-annual variability in the ...


19. Nitrogen (N Total Nutrients) - Consumption [geodata_2021]
Fertilizer consumption refers to the application of nutrients in terms of nitrogen (N), phosphate (P2O5), and potash (K2O) consumed in agriculture by a country. All figures are given in Tonnes (T) ...


20. Nitrogen (N Total Nutrients) - Production [geodata_2018]
Fertilizer consumption refers to the application of nutrients in terms of nitrogen (N), phosphate (P2O5), and potash (K2O) consumed in agriculture by a country. All figures are given in Metric Tonnes ...


21. Mesozooplankton Biomass and C/N Ratio Measured during the JGOFS North Atlantic Bloom Experiment (NABE) [JGOFS_NABE_ZOOMASS]
The Joint Global Ocean Flux Study (JGOFS) seeks to understand the processes that control the transfer of carbon and other biologically active elements in the ocean. In addition, ...


22. Trophic transfer efficiencies in zooplankton [GLOBEC_054_UK_004]   PARENT METADATA
This dataset describes the Trophic transfer efficiencies in zooplankton. Please see the Parent DIF GLOBEC_020_UK_002 for additional information.


23. Elemental and isotopic composition of trapped gases in the horizontal Moulton ice core [Moulton_Gas_Data]
Data are included for the elemental and isotopic composition of trapped gases in the A, E and F trenches. Specifically, the d15N of N2, d18O of atm O2, dO2/N2, dAr/N2, total gas content ...


24. Analysis of Factors Affecting Historical Dissolved Oxygen Trends in Western Long Island Sound [LISES_HistDOtrends]
The purpose of this dataset is to assess the historical decline in dissolved oxygen concentrations in the bottom region of the Western Long Island Sound. The primary factors ...


25. Collaborative Research: Molecular Level Characterization of Organic Matter in Ice Cores using High-resolution FTICR mass spectrometry [hatcher_0739684]
This award supports a project to fully develop the analytical protocols needed to exploit a relatively new technique for the analysis of soluble organic matter in ice core samples. The technique couples ...


26. Long Island Sound Interstate Sanitation Commission Data [ISC_ISCdata]
Monitor water quality on a monthly basis over the full annual cycle.


27. Water Quality Modeling Analysis of Hypoxia in Long Island Sound Using LIS 3.0 [HEP_LIShypoxia]
This work was directed primarily towards the development of a mathmatical model of the eutrophication and hypoxia processes of Long Island Sound. It is the third of three models of the Sound and represents ...


28. Report on invertebrate field work, Macquarie Island, December 1986-January 1987 [Invert_MI_86-87]
From the report available for download: A number of biologists have collected terrestrial invertebrates on Macquarie Island in previous years. Of these, K. Watson spent a year collecting intensively ...


29. 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 ...


30. PenP*Product [GLOBEC_087_NETH_003]
In 6 land based mesocosms the effects of eutrophication and stratification on algal species composition and productivity were studied during the period 1994-1998. Results indicate that microzooplankton ...


31. Suspended profiles main stations [DOKIPY_iAOOS-bio1_Not Available]
Suspended measurements of nutrients, algal pigments and particulate organic carbon and nitrogen measured during 48 hr long shipbased stations on the East Greenland shelf during 2 cruises with KV ...


32. Transect suspended profiles [DOKIPY_iAOOS-bio2_Not Available]
Suspended measurements of nutrients, algal pigments and particulate organic carbon and nitrogen measured with helicopter-ship transects on the East Greenland shelf during 2 cruises with KV Svalbard ...


33. LTER Georgia Coastal Ecosystems - Plant community response to fertilization at Sapelo Island, Georgia [newpag1_LTER_GCE_PLT_GCED_0409]   PARENT METADATA
Parallel fertilization experiments were performed in five different types of perennial plant mixtures found in the salt marsh habitat around Sapelo Island, Georgia, from May 1996 to September 1997. ...


34. Long-Term Ecological Research (LTER)/CDR003: Effects of Nutrients on Vegetation at Cedar Creek Natural History Area [LTER_CDR003]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR003 [Summary adapted from the LTER Core Data Set Catalog]: This experiment ...


35. Long-Term Ecological Research (LTER)/CDR010: Old Field Survey (OFIELD) at Cedar Creek Natural History Area [LTER_CDR010]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR010 [Summary adapted from the LTER Core Data Set Catalog]: The purpose of ...


36. Long-Term Ecological Research (LTER)/CDR012: Effects of NH4NO3 and pH on Microorganism Populations (SORG) at Cedar Creek Natural History Area [LTER_CDR012]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR012 [Summary adapted from the LTER Core Data Set Catalog]: The purpose of ...


37. Long-Term Ecological Research (LTER)/CDR013: Phenology of Fertilization (PHEN) at Cedar Creek Natural History Area [LTER_CDR013]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR013 [Summary adapted from the LTER Core Data Set Catalog]: The purpose of ...


38. 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 ...


39. 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 ...


40. Long-Term Ecological Research (LTER)/CDR016: Old Field Allocation Survey (OFALLOC) at Cedar Creek Natural History Area [LTER_CDR016]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR016 [Summary adapted from the LTER Core Data Set Catalog]: Objective: to ...


41. 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 levels of nitrogen, ...


42. Long-Term Ecological Research (LTER)/CDR018: Plant Competition Under Different Nitrogen Levels at Cedar Creek Natural History Area [LTER_CDR018]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR018 [Summary adapted from the LTER Core Data Set Catalog]: This is the new ...


43. Long-Term Ecological Research (LTER)/CDR019: Tree Competition at Cedar Creek Natural History Area [LTER_CDR019]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR019 [Summary adapted from the LTER Core Data Set Catalog]: This experiment ...


44. Long-Term Ecological Research (LTER)/CDR020: Legume Competition at Cedar Creek Natural History Area [LTER_CDR020]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR020 [Summary adapted from the LTER Core Data Set Catalog]: This experiment ...


45. 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 ...


46. 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 ...


47. Long-Term Ecological Research (LTER)/KBS004: Kellogg Biological Station Main Cropping System Experiment [LTER_KBS004]
LTER - Long-Term Ecological Research Program/Kellogg Biological Station (KBS) LTER/KBS004 [Summary adapted from the LTER Core Data Set Catalog]: Data for the main cropping system experiment at KBS. ...


48. Long-Term Ecological Research (LTER)/KBS016: Dinitrogen Fixation by Hairy Vetch (Vicia villosa L.) in a Low-Chemical Input Cropping System [LTER_KBS016]
LTER - Long-Term Ecological Research Program/Kellogg Biological Station (KBS) LTER/KBS016 (Summary adapted from the LTER Core Data Set Catalog): Measurements of dinitrogen fixation potential (acetylene ...


49. Long-Term Ecological Research (LTER)/KNZ010: Prairie Litterfall Measurements at Konza Prairie Research Natural Area (KPRNA) [LTER_KNZ010]
LTER - Long-Term Ecological Research Program/Konza Prairie (KNZ) LTER/KNZ010 [Summary adapted from the LTER Core Data Set Catalog]: Litter falling to the soil surface of tallgrass prairie was measured ...


50. Casco Bay Air Deposition Monitoring Project [gomc_97]   PARENT METADATA
The Casco Bay Estuary Partnership is devoted to protecting and restoring the water quality, and fish and wildlife habitat of the Casco Bay ecosystem, while ensuring compatible human uses. ...


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