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Found 326 dataset(s) matching "NO3".
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This tabular data set represents the average normalized (wet) deposition, in kilograms per square kilometer multiplied by 100, of Nitrate (NO3) for the year 2002 compiled for every MRB_E2RF1...
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This data set represents the average normalized atmospheric (wet) deposition, in kilograms, of Nitrate (NO3) for the year 2002 compiled for every catchment of NHDPlus for the conterminous United...
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The Annual Mean PM2.5 Components (EC, NH4, NO3, OC, SO4) 50m Urban and 1km Non-Urban Area Grids for Contiguous U.S., 2000-2019, v1 data set contains annual predictions of the chemical...
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The TROPESS Chemical Reanalysis Surface Aerosol NO3 6-Hourly 3-dimensional Product contains the volume mixing rations of nitrate aerosols. The data are part of the Tropospheric Chemical Reanalysis...
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The TROPESS Chemical Reanalysis Surface Aerosol NO3 2-Hourly 2-dimensional Product contains surface concentrations of nitrate aerosols. The data are part of the Tropospheric Chemical Reanalysis v2...
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The TROPESS Chemical Reanalysis Surface Aerosol NO3 Monthly 3-dimensional Product contains the volume mixing rations of nitrate aerosols. The data are part of the Tropospheric Chemical Reanalysis...
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Data set generated in collaboration with Dr Andy Lamb from Aerodyne Inc. Portions of this dataset are inaccessible because: Non-EPA-owned by Aerodyne Inc. They can be accessed through the...
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This Standard Reference Material (SRM) is intended as a primary standard for the quantitative determination of nitrate using anion ion chromatography (IC) or other methods. A unit of SRM 3185...
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Widespread nitrate contamination of groundwater in agricultural areas poses a major challenge to sustainable water resources. Efficient analysis of nitrate fluxes across large regions also remains...
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Hydraulic connection between channels and floodplains (“connectivity”) is a fundamental determinant of ecosystem function in large floodplain rivers. Factors controlling material processing in...
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NRSA is part of EPA’s National Aquatic Resource Surveys which samples different surface waters on a 5-year cycle during the growing season. For logistical reasons, each NRSA cycle occurs over 2...
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Shallow groundwater samples were collected since 2006 for routine analysis by ODEQ from 16 domestic wells (installation dating from the 1970s) and 23 ODEQ groundwater monitoring wells...
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In this Research Effort “Small Footprint Solar/Wind-Powered CASTNET System” there are two data sets. One data set contains atmospheric concentration measurements, at the standard CASTNET site...
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This data set reports the results of the analysis of soil samples for Nitrate (NO3) and physical properties that were collected for one year following reduced impact logging in logging concessions...
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These data describe how microorganisms facilitate the cycling of reactive nitrogen in alpine ecosystems. Samples of water and sediment were collected from a longitudinal study of Loch Vale...
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The total concentration of dissolved constituents in water is routinely quantified by measurements of salinity or total dissolved solids (TDS). However, salinity and TDS are operationally defined...
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The effects of cerium oxide nanoparticles (CeO2-NPs) on 15N/14N ratio (δ15N) in wheat and barley were investigated. Seedlings were exposed to 0 and 500 mg CeO2-NPs/L (Ce-0 and Ce-500,...
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This dataset presents results from surface-tethered drifting sediment traps, zooplankton net tows, dissolved inorganic nutrient concentration analyses made on water column samples, and flow...
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This dataset contains inorganic carbon, total alkalinity, nutrients, and other data collected from ships during servicing cruises to the California Current Ecosystem moorings, CCE1 and CCE2....
