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51. Long-Term Ecological Research (LTER)/AND018: NADP Precipitation Chemistry in the H.J. Andrews Forest [LTER_AND018]
LTER - Long-Term Ecological Research Program/H.J. Andrews Forest (AND) LTER/AND018 [Summary adapted from the LTER Core Data Set Catalog]: The National Atmospheric Deposition Program (NADP) wet/dry ...


52. Long-Term Ecological Research (LTER)/CWT002: Precipitation Chemistry: Coweeta Hydrologic Laboratory [LTER_CWT002]
LTER/CWT002: The precipitation chemistry is bulk at the main Coweeta Climatic Station. Data were collected from 1972 through 1989 and include the following variables: pH, NO3-N, NH4-N, PO4, Cl, ...


53. Long-Term Ecological Research (LTER)/CWT003: Streamflow Chemistry: Coweeta Hydrologic Laboratory [LTER_CWT003]
LTER/CWT003: The streamflow data are for WS18, a mixed-hardwood control watershed. Data were collected from 1971 through 1989 and include the following variables: head, pH, NO3-N, NH4-N, PO4, Cl, ...


54. Long-Term Ecological Research (LTER)/HBR006: Soil Solution Chemistry in an Undisturbed Northern Hardwood Forest [LTER_HBR006]
LTER - Long-Term Ecological Research Program/Hubbard Brook Experimental Forest (HBEF). LTER/HBR006: Soil solutions are collected in zero tension lysimeters at the three elevations near watershed ...


55. Long-Term Ecological Research (LTER)/HBR007: Longitudinal Stream Chemistry in an Undisturbed Northern Hardwood Forest Watershed [LTER_HBR007]
LTER - Long-Term Ecological Research Program/Hubbard Brook Experimental Forest (HBEF). LTER/HBR007: Monthly stream samples are collected from watershed 6 at the Hubbard Brook Experimental Forest ...


56. Long-Term Ecological Research (LTER)/HBR011: Hubbard Brook Ecosystem Study Long-Term Chemical Data [LTER_HBR011]
LTER - Long-Term Ecological Research Program/Hubbard Brook Experimental Forest (HBEF). LTER/HBR011: Chemical data have been collected, analyzed, and stored since the inception of the Hubbard Brook ...


57. 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, ...


58. 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 ...


59. Long-Term Ecological Research (LTER)/KNZ011: Prairie Throughfall Measurements at Konza Prairie Research Natural Area (KPRNA) [LTER_KNZ011]
LTER - Long-Term Ecological Research Program/Konza Prairie (KNZ) LTER/KNZ011 [Summary adapted from the LTER Core Data Set Catalog]: Amounts and nitrogen content of water passing through the canopy ...


60. 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 ...


61. Management of Soil, Water, and Nitrogen Resources to Protect Ground Water Quality [USDA0547]
The purpose of "Management of Soil, Water, and Nitrogen Resources to Protect Ground Water Quality" is to aid in the development of soil, water, and crop management practices to more effectively use ...


62. Marine Chemistry from In-Situ Samples (F069) Data (1974 -1982) [FW00092]
This data type contains data from chemical analyses of seawater samples. Cruise information, position, date and time is reported for each station along with sample depth, temperature, salinity and ...


63. Marine Water Quality Monitoring in Washington State [wa_de_marinewaterquality]
The Washington State Department of Ecology has conducted marine water quality monitoring at a number of stations in Puget Sound, Grays Harbor and Willapa Bay since 1973. About 40 stations are monitored ...


64. Maryland Biological Stream Survey [MD_DNR_BSS]
The Maryland Biological Stream Survey developed as a response to questions raised by the Maryland Synoptic Stream Survey of 1987 (see "Acid Deposition" pages for full discussion) and the MBSS Pilot ...


65. Measurement of tropospheric aerosols [007-93_01]
The dataset contains twelve samples (of about five days each) of tropospheric aerosol less than < 3 micrometer fractionated into five particle diameter ranges (Dp: 2.84, 2.04, 1.4, 0.8, 0.441 micrometer) ...


66. Modeling Water Quality in the Tualatin River, Oregon, 1991-1997 [WRIR_01_4062]
The calibration of a model of flow, temperature, and water quality in the Tualatin River, Oregon, originally calibrated for the summers of 1991 through 1993, was extended to the summers of 1991 through ...


67. NODC Standard Format Primary Productivity 2 (F049) Data (1973 -1982) [NODC_F049]
This dataset contains data from measurements of photosynthetic capacity and phytoplankton productivity. In addition to cruise information, position, date, time, sampling depths, bottom depth, and ...


68. NODC Standard Format Water Physics and Chemistry (F004) Data (1906-1985) [FW00053]
This file contains data from measurements and analyses of physical and chemical characteristics of the water column. Among chemical parameters that may be recorded are salinity, pH and concentration ...


69. NODC World Ocean Atlas 1994: CD-ROMs and Publications [OCEAN_ATLAS_1994]
The Ocean Climate Laboratory of NOAA's National Oceanographic Data Center (NODC) has completed the multivolume World Ocean Atlas 1994 and technical reports describing the data quality control and ...


70. NODC World Ocean Atlas 2001 on CD-ROM [NODC_WOD01_Atlas]
The World Ocean Atlas 2001 (WOA01) contains ASCII data of statistics and objectively analyzed fields for one-degree and five-degree squares generated from World Ocean Database 2001 observed and standard ...


71. NODC World Ocean Database 1998 on CD-ROM [NODC_WOD98_Database]
This set of CD-ROMs, produced by the NODC Ocean Climate Laboratory, represents the first update of the previously released World Ocean Atlas 1994, and contains all the profile data contained in the ...


72. NODC World Ocean Database 2001 on CD-ROM [NODC_WOD01_Database]   CHILD METADATA
World Ocean Database 2001 (WOD01) is comprised of 8 CD-ROMs and contains in situ profile data such as temperature, salinity, nutrients, oxygen, chlorophyll, plankton biomass data and more. It is an ...


73. NODC World Ocean Database 2001: Plankton Data on CD-ROM [NODC_WOD01_Plankton]   PARENT METADATA
The World Ocean Database 2001 (WOD01) is an eight CD-ROM product containing over seven million oceanographic stations. Only one disk (WOD01 disk #1) contains plankton tows, which are co-located with ...


74. NODC World Ocean Database 2001: Plankton Data on CD-ROM - NODC_WODO1_OBIS_Plankton_child [NODC_WODO1_OBIS_Plankton_child]   PARENT METADATA
The World Ocean Database 2001 (WOD01) is an eight CD-ROM product containing over seven million oceanographic stations. Only one disk (WOD01 disk #1) contains plankton tows, which are ...


75. National Atmospheric Deposition Program/National Trends Network (NADP/NTN): Precipitation Chemistry Database [NADP_NTN]   CHILD METADATA
The National Atmospheric Deposition Program/National Trends Network (NADP/NTN) is a 200-station, rural, wet-only deposition monitoring network throughout the continental United States, Alaska, and ...


76. Nella Dan: SIBEX II Cruise - Oceanographic and nutrient data [SIBEX_II_ocean]
This dataset contains CTD (conductivity, temperature, depth) and nutrient (nitrate, nitrite (insignificant concentrations), phosphate, silicate) data obtained from the Second International BIOMASS ...


77. New Hampshire Coastal 2000 - 2002 Gulf of Maine Assessment [gomc_202]   PARENT METADATA
The US EPA National Coastal Assessment (also known as Coastal 2000 or C2000) is a five-year effort led by the EPA Office of Research and Development to evaluate the assessment methods it has developed ...


78. Nitrate Leaching Class Ranges [IGDNR_NO3LRANGE]   PARENT METADATA
This is a statewide Arc/Info data set of nitrate leaching class ranges for soils in Illinois. It was generated to aid in determining aquifer sensitivity to nitrate leaching in Illinois. ...


79. Nitrate Leaching Classes of Illinois Soils [IGDNR_NO3LEACH]   PARENT METADATA
This data set was designed for statewide evaluation of agrichemical leaching characteristics and associated aquifer sensitivity to contamination. It was created to classify soils ...


80. Nitrate profiles in snow on sea-ice collected during SIPEX II [SIPEX_II_Nitrate]   PARENT METADATA
This dataset contains measurements of nitrate in snow on the sea-ice. These vertical nitrate profiles were collected from snow pits that were dug at each ice station during the SIPEX II voyage in ...


81. Oceanographic Station Time Series on CD-ROM from NODC; Adaptable to the ATLAST Software Package; World Oceans [NODC_OCEANSTATION_CDROM_ATLAST]
The National Oceanographic Data Center (NODC) and the World Data Center A, Oceanography (WDC-A) have compiled from the NODC Oceanographic Station Data File a set of oceanographic data having repetitive ...


82. Palaeoclimate Analysis of Sediment Cores from the Fjords and Lakes of the Vestfold Hills [ASAC_784]
From the abstracts of some of the referenced papers: The relationship between surface sediment diatom assemblages and measured limnological variables in 33 coastal Antarctic lakes was examined by ...


83. Palaeolimnological investigations of coastal continental lakes in the Larsemann Hills [ASAC_2112]
1.The lakes and ponds in the Larsemann Hills and Bolingen Islands (East-Antarctica) are characterised by cyanobacteria-dominated, benthic microbial mat communities. A 56-lake dataset representing ...


84. Plankton dynamics and geochemistry of Beaver Lake [ASAC_2324]
Preliminary Metadata record for data expected from ASAC Project 2324 See the link below for public details on this project. ---- Public Summary from Project ---- Epishelf lakes are freshwater lakes ...


85. Precipitation Chemistry at Hubbard Brook Experimental Forest (HBEF) [HUBBARD_BROOK_PRECIP_CHEM]
The Hubbard Brook Experimental Forest (HBEF) is a 3,160 hectare reserve dedicated to the long-term study of forest and stream ecosystems. Located in the White Mountain National Forest of New Hampshire, ...


86. Primary Productivity (F029) from In-Situ Data Samples [FW00071]
This dataset contains data from measurements of primary productivity. The data are collected to provide information on nutrient levels and nutrient flow in offshore areas. In addition to cruise information, ...


87. Raster dataset showing the probability of detecting atrazine/desethyl-atrazine in ground water in Colorado, hydrogeomorphic regions and atrazine use estimates included. [USGS_atra_hyd_use]
This dataset is one of eight datasets produced by this study. Four of the datasets predict the probability of detecting atrazine and(or) desethyl-atrazine (a breakdown product of atrazine) in ground ...


88. Raster dataset showing the probability of detecting atrazine/desethyl-atrazine in ground water in Colorado, hydrogeomorphic regions included and atrazine use estimates not included [USGS_atra_hyd_nuse]
This dataset is one of eight datasets produced by this study. Four of the datasets predict the probability of detecting atrazine and(or) desethyl-atrazine (a breakdown product of atrazine) in ground ...


89. Rocky Mountain Snowpack Chemistry at Selected Sites, 1993-2010 [USGS_CO53100]
Rocky Mountain Regional Snowpack Chemistry Monitoring Study Area: High-elevation sites near the Continental Divide in Montana, Wyoming, Idaho, Colorado, New Mexico, and Utah, 1993 to present Study ...


90. Rocky Mountain Snowpack Chemistry at Selected Sites, 2002 [USGS_OFR_2004_1027]
During spring 2002, the chemical composition of annual snowpacks in the Rocky Mountain region of the Western United States was analyzed. Snow samples were collected at 75 geographically distributed ...


91. Selected Field Parameters from Streams and Analytical Data from Water and Macroinvertebrate Samples, Central Colorado Assessment Project, Environmental Assessment Task, 2004 and 2005 [USGS_OFR_2007_1044]
The U.S. Geological Survey (USGS) Central Colorado Assessment Project (CCAP) began in October 2003 and is planned to last through September 2008. One major goal of this project is to compare the relationships ...


92. Surface Chlorophyll Concentrations and Environmental Parameters in Antarctic Waters during JARE-27 Cruise in 1985/1986 [NIPR-M13]
Chlorophyll a, salinity, nutrient salts, zooplankton, DO and temperature were measured continuously for the sea water collected with surface water monitoring system during the JARE-27 Cruise to Syowa ...


93. Suspended profiles main stations [DOKIPY_iAOOS-bio1]
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 ...


94. The Collection of High Resolution Spatial and Temporal surface data from the Irish Sea during 2000 [GLOBEC_060_UK_010]   PARENT METADATA
The aim is to acquire high resolution spatial and temporal surface data for numerical modelling of Irish Sea processes. Emphasis will be on collection of nitrate and silicate data using an autonomous ...


95. The relationship between climatic/environmental signals from high resolution snow pit studies and meteorological conditions [ASAC_1172]
Metadata record for data from ASAC Project 1172 See the link below for public details on this project. ---- Public Summary from Project ---- The aim of ice core drilling is to extract information ...


96. Transect suspended profiles [DOKIPY_iAOOS-bio2]
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 ...


97. University of Connecticut Real Time Observations of Long Island Sound [UCONN_Mysound]
The objectives of the EMPACT Project is to provide water quality monitoring data from Long Island Sound to a broad spectrum of users - enhancing the appreciation, knowledge and use of The Sound. ...


98. World Ocean Circulation Experiment (WOCE) Global Data, Version 1.0, on CD-ROM [NOAA_NODC_WOCE_CDROM]
The World Ocean Circulation Experiment (WOCE) was an unprecedented effort during 1990-1997 by scientists from more than 30 nations to study the large-scale circulation of the ocean. ...


99. Atmospheric Nitrate Isotopic Analysis at Amundsen-Scott South Pole Station, A Twenty-Five Year Record [NSIDC-0281]
This data set contains snow pit measurements of oxygen isotopes, 17O and 18O, in nitrate and ion concentrations, and surface measurements of oxygen isotopes in nitrate and in ...


100. LBA-ECO ND-07 Nitric Oxide Flux from Cerrado Soils, Brasilia, Brazil: 2004 [ND07_NO_FLUX_CERRADO]
This data set reports the results of soil nitric oxide (NO) flux, soil moisture, and soil nitrate (NO3) and ammonium (NH4) concentration measurements on Cerrado soils receiving nitrogen fertilization. ...


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