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Browsing ELibrary by Title
Now showing items 10340-10359 of 21934
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(2004)We propose a new test of the critical earthquake model based on the hypothesis that precursory earthquakes are `actors' that create fluctuations in the stress field which exhibit an increasing correlation length as the ...
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(2006)Tellurium isotope data acquired by multiple-collector inductively coupled plasma-mass spectrometry (MC-ICPMS) are presented for sequential acid leachates of the carbonaceous chondrites Orgueil, Murchison, and Allende. ...
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(2001)Indications of lower mantle discontinuities have been debated for decades, but still little is known about their properties, and their origins are enigmatic. In our study broad-band recordings of deep events are examined ...
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(2003)A study of the isotopic composition of organic matter was conducted in a freshwater marsh over seasonal and diel time scales to determine the sources of dissolved organic matter (DOM) and the processes leading to its ...
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(2006)To investigate potential variability in the biosynthetic fractionation of hydrogen isotopes between environmental water and plant lipids, the cord grass Spartina alterniflora was sampled from a single location in a coastal ...
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(1996)Monthly monitoring of water chemistry at Octopus Spring, Yellowstone National Park, reveals no changes in the chemical composition over this eight-month study. Differences in silica deposition are attributed to flow dynamics ...
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(2003)The seasonal dynamics of dissolved organic carbon (DOC) in a subterranean estuary were examined in a coastal water-table aquifer extending across a forest-marsh interface into an adjacent tidal creek that leads to North ...
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(2000)This paper is concerned with seasonal variations in Earth tidal strain amplitudes as recorded at the Protvino station. These variations are much too large to be daily variations and seem to be caused by meteorological ...
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(2003)Numerous hydrologic designs require seasonal discharge estimates. Given the seasonal variation in the distribution of rainfall, significant differences can exist between the annual maximum and seasonal maximum T-yr return ...
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(2001)A method for seasonal storage of heat or cold in the bedrock (the HYDROCK concept) is presented and its thermal performance discussed. It involves the use of a fractured bedrock at shallow depths (ca. 50-250 m), where ...
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SEASONAL VARIATION IN STABLE ISOTOPIC COMPOSITION OF ALAS LAKE WATER NEAR YAKUTSK, EASTERN SIBERIA (2003)Detailed measurements of temporal variations in the stable isotopic composition of precipitation and lake water were conducted in the permafrost region near Yakutsk, eastern Siberia. The δ18O ranged from approximately -30 ...
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(1997)The carbon and nitrogen isotopic composition of seston, sinking POM, and inorganic nitrogen was determined on a seasonal basis in a coastal cold-ocean embayment, Conception Bay, Newfoundland. Isotopic variation in particulate ...
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(2004)To study the nature of seasonal variations in time series measured at the Garm test site, a local model based on the experimental data of atmospheric precipitation penetration into the soil has been proposed. It is intended ...
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(2000)In near-shore and coastal margin sediments remineralization of organic carbon is significantly affected by biologically mediated solute exchange caused by burrow-dwelling infauna. Although irrigation rates have been ...
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(2004)Major ion compositions of primary fluid inclusions from terminal Proterozoic (ca. 544 Ma) and Early Cambrian (ca. 515 Ma) marine halites indicate that seawater Ca{sup 2+} concentrations increased approximately threefold ...
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(2001)Stable oxygen isotope ratios (δ18O) of foraminifera are widely used to reconstruct the climatic history of Earth. It is well known that temperature reconstructions based on δ18O are complicated by factors such as the unknown ...
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(2000)Experiments involving boron co-precipitation with calcite have been carried out inorganically under controlled pH conditions (7.9 +/- 0.05, 8.3 +/- 0.05 and 8.6 +/- 0.05) to determine the dependence of the boron isotopic ...
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(2001)There were three negative seawater strontium-isotope excursions (shifts to lower 87Sr/86Sr values) during the Jurassic and Cretaceous that were of relatively short duration (5-13 my) and showed a relatively quick recovery ...
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(1996)The second, modified and essentially supplemented edition of the International Stratigraphic Guide, which was published in 1994, is discussed with consideration of its peculiar features and differences from the first edition ...
Now showing items 10340-10359 of 21934