Isotopes of nitrogen

Results: 35



#Item
21

Use of sulfur and nitrogen stable isotopes to determine the importance of whi... Laura A Felicetti; Charles C Schwartz; Robert O Rye; Mark A Haroldson; et al Canadian Journal of Zoology; May 2003; 81, 5; Research Library

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Source URL: www.nrmsc.usgs.gov

Language: English - Date: 2012-11-15 18:42:41
    22Fisheries / Coastal geography / Environmental soil science / Mashpee /  Massachusetts / Water pollution / Estuary / Salt marsh / Eutrophication / Buzzards Bay / Geography of Massachusetts / Physical geography / Massachusetts

    Marine Pollution Bulletin[removed]–143 www.elsevier.com/locate/marpolbul Nitrogen loading to Pleasant Bay, Cape Cod: application of models and stable isotopes to detect incipient nutrient enrichment of estuaries

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    Source URL: merl.disl.org

    Language: English - Date: 2007-05-10 12:11:47
    23Nutrition / Breastfeeding / Isotopes / Breast milk / Weaning / Isotope analysis / Collagen / Bioarchaeology / Bone / Chemistry / Infant feeding / Human development

    Quantitative Reconstruction of Weaning Ages in Archaeological Human Populations Using Bone Collagen Nitrogen Isotope Ratios and Approximate Bayesian Computation Takumi Tsutaya1*, Minoru Yoneda1,2 1 Department of Integrat

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    Source URL: bhap.artsrn.ualberta.ca

    Language: English - Date: 2014-07-29 14:24:50
    24Dietary supplements / Glucogenic amino acids / Environmental isotopes / Collagen / Isotope analysis / Isotopic signature / Bioarchaeology / Amino acid / Hydroxyproline / Chemistry / Proteinogenic amino acids / Isotopes

    Evaluation of carnivory in inland Jomon hunter-gatherers based on nitrogen isotopic compositions of individual amino acids in bone collagen

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    Source URL: bhap.artsrn.ualberta.ca

    Language: English - Date: 2014-07-29 14:24:52
    25Biology / Denitrification / Nitrate / Nitrification / Drainage basin / In situ / Agriculture / Nitrogen metabolism / Water / Chemistry

    WATER RESOURCES RESEARCH GRANT PROPOSAL Title: In Situ Measurement of Denitrification in Agricultural Streams Focus Category: NC, NPP, MET Keywords: denitrification, agriculture, surface drainage, isotopes Duration: 9/20

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    Source URL: water.usgs.gov

    Language: English - Date: 2005-11-17 14:38:39
    26Geochemistry / Nuclear physics / Isotope analysis / Bioindicators / Carbon-13 / Isotope / Stable isotope / Biosignature / Proxy / Chemistry / Isotopes / Mass spectrometry

    KEYNOTE: Measuring the microbial niche: Chip-SIP analysis of carbon and nitrogen assimilation Jennifer Pett-Ridge Lawrence Livermore National Laboratory The ecological roles of most uncultivated microorganisms must be i

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    Source URL: ecocore.nrel.colostate.edu

    Language: English - Date: 2013-08-19 11:41:42
    27Isotopes of carbon / Bioindicators / Tualatin River / Carbon-13 / Clean Water Services / Carbon / Tualatin /  Oregon / Δ13C / Sedimentary rock / Chemistry / Geochemistry / Environmental isotopes

    Prepared in cooperation with Clean Water Services Use of Stable Isotopes of Carbon and Nitrogen to Identify Sources of Organic Matter to Bed Sediments of the Tualatin River, Oregon

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    Source URL: pubs.usgs.gov

    Language: English - Date: 2010-08-11 12:13:37
    28Geomorphology / Isotopes / Pedology / Permafrost / Soil science / Carbon / Hydrology / Drainage basin / Isotope analysis / Physical geography / Chemistry / Earth

    THE CATCHMENT-SCALE HYDROLOGY OF POLYGONAL TUNDRA & IMPLICATIONS FOR LATERAL FLUXES OF CARBON AND NITROGEN, LENA RIVER DELTA, SIBERIA Runkle, B. R. K. (1), M. Helbig(1,2), C. Knoblauch(1), L . Kutzbach[removed]Institute of

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    Source URL: page21.eu

    Language: English - Date: 2014-02-17 09:09:52
    29Environmental chemistry / Water pollution / Environmental soil science / Garde manger / Nitrate / Eutrophication / Nitrogen / Air pollution / Chemistry / Matter / Nitrogen metabolism

    A SURVEY OF NITRATE ISOTOPES TO DETECT ATMOSPHERIC NITRATE INPUTS TO STREAM AND SOIL WATERS OF FORESTED WATERSHEDS IN THE NORTHEASTERN USA Principal Investigator:

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    Source URL: nsrcforest.org

    Language: English - Date: 2012-11-08 12:28:02
    30Nitrogen metabolism / Pollutants / Smog / NOx / Air pollution / Nitrogen cycle / Nitrate / Nitrogen oxide / Acid rain / Chemistry / Matter / Oxides

    Evaluating Anthropogenic Impacts to the Nitrogen Cycle Based on the Isotopes of Nitrate Meredith G. Hastings Environmental Change Initiative

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    Source URL: soa.arcus.org

    Language: English - Date: 2010-03-31 16:05:05
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