Search Results - "Keller, C K"

Twelve testable hypotheses on the geobiology of weathering by BRANTLEY, S.L, MEGONIGAL, J.P, SCATENA, F.N, BALOGH-BRUNSTAD, Z, BARNES, R.T, BRUNS, M.A, VAN CAPPELLEN, P, DONTSOVA, K, HARTNETT, H.E, HARTSHORN, A.S, HEIMSATH, A, HERNDON, E, JIN, L, KELLER, C.K, LEAKE, J.R, MCDOWELL, W.H, MEINZER, F.C, MOZDZER, T.J, PETSCH, S, PETT-RIDGE, J, PREGITZER, K.S, RAYMOND, P.A, RIEBE, C.S, SHUMAKER, K, SUTTON-GRIER, A, WALTER, R, YOO, K

“…Critical Zone (CZ) research investigates the chemical, physical, and biological processes that modulate the Earth's surface. Here, we advance 12 hypotheses…”
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effect of bacteria and fungi on chemical weathering and chemical denudation fluxes in pine growth experiments by Balogh-Brunstad, Z, Keller, C. K, Gill, R. A, Bormann, B. T, Li, C. Y

“…Vascular plants and associated microbial communities affect the nutrient resources of terrestrial ecosystems by impacting chemical weathering that transfers…”
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Renal findings in patients with short-term type 2 diabetes by Keller, C K, Bergis, K H, Fliser, D, Ritz, E

“…Under semiambulatory conditions, 85 consecutive patients with the diagnosis of Type 2 diabetes of short duration (excluding patients with islet cell antibodies…”
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Tree Harvest in an Experimental Sand Ecosystem: Plant Effects on Nutrient Dynamics and Solute Generation by Keller, C.K, O'Brien, R, Havig, J.R, Smith, J.L, Bormann, B.T, Wang, D

“…The hydrochemical signatures of forested ecosystems are known to be determined by a time-variant combination of physical-hydrologic, geo-chemical, and biologic…”
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Paleosols as deep regolith: implications for ground-water recharge across a loessial climosequence by O'Geen, A.T., McDaniel, P.A., Boll, J., Keller, C.K.

“…Thick loess deposits consisting of paleosol sequences comprise the deep regolith of the Palouse region in eastern Washington and northern Idaho. Ground water…”
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Increased prevalence of salt sensitivity of blood pressure in IDDM with and without microalbuminuria by STROJEK, K, GRZESZCZAK, W, LACKA, B, GORSKA, J, KELLER, C. K, RITZ, E

“…In insulin-dependent diabetes mellitus (IDDM) elevated exchangeable sodium (Na) levels are found even in the absence of hypertension, but it is not known…”
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A non-adsorptive method for the isolation and fractionation of natural dissolved organic carbon by Crum, R.H., Murphy, E.M., Keller, C.K.

“…A non-adsorptive method was tested for the concentration and fractionation of dissolved organic carbon (DOC) in groundwater. Reverse osmosis combined with…”
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Possibility of chemical weathering before the advent of vascular land plants by Keller, C. K, Wood, B. D

“…A study found that a low level of microbial respiration may be sufficient to support appreciable carbon dioxide concentrations in the vadose zone because of a…”
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Soil CO2 dynamics and fluxes as affected by tree harvest in an experimental sand ecosystem by C. K. Keller, T. M. White, R. O'Brien, J. L. Smith

“…Soil CO2 production is a key process in ecosystem C exchange, and global change predictions require understanding of how ecosystem disturbance affects this…”
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Stable isotope hydrology of a polymictic lake: Capturing transience of groundwater interactions by Alrehaili, A.M., Keller, C.K., Moore, B.C., Boll, J.

“…•Transient groundwater inflow to a lake was estimated using isotope mass balance.•We experimented with mass balance time intervals not necessarily…”
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Carbon dioxide respiration in the deep vadose zone: Implications for groundwater age dating by Bacon, Diana Holford, Keller, C. Kent

“…In the deep vadose zone at the Dalmeny site, subsurface gas samples were collected and analyzed for CO2 and the 13C and 14C ratios of that CO2. High…”
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Lessons from the Sandbox: Is Unexplained Nitrogen Real? by Bormann, Bernard T., Keller, C. Kent, Wang, Deane, Bormann, F. Herbert

“…In their review of 24 studies of forest nitrogen (N) budgets, Binkley and others (2000) found that only one of them supported the conclusion that an N…”
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Postinfectious glomerulonephritis--is there a link to alcoholism? by Keller, C K, Andrassy, K, Waldherr, R, Ritz, E

“…From January 1984 to May 1993, we observed 30 cases of postinfectious glomerulonephritis (GN)--endocapillary, exudative GN with humps (23 males, 7 females;…”
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Urinary excretion of complement C3 and its decay products in children with kidney transplants by Keller, C K, Wingen, A M, Schärer, K, Rauterberg, E W

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Analgesic effect of naproxen sodium, codeine, a naproxen-codeine combination and aspirin on the postoperative pain of oral surgery by Forbes, J A, Keller, C K, Smith, J W, Zeleznock, J R, Sevelius, H, Beaver, W T

“…In a double-blind study, 198 outpatients with pain after oral surgery were randomly assigned to treatment with a single oral dose of naproxen sodium 550 mg,…”
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Renal involvement in type II diabetes by Ritz, E, Keller, C K, Bergis, K H, Siebels, M

“…The incidence and prevalence of renal failure from type II diabetes have been seriously underestimated in the past. Currently, the incidence of uremia in…”
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Seasonal Variability of Adsorption and Exchange Equilibria in Soil Waters by Berner, Robert A, Rao, Ji-long, Chang, Soobum, O'brien, Rachel, Keller, C Kent

“…Chemical analyses for major ions have been conducted on waters,collected on an approximately weekly basis over the period April, 1993 toNovember, 1996, that…”
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Carbon-14 dating of ground water in the Palouse Basin of the Columbia river basalts by Douglas, Alyssa A., Osiensky, James L., Keller, C. Kent

“…Delineation of the spatial distribution of ground water that is several thousands of years old can provide an important piece of the puzzle in the evaluation…”
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Soil CO 2 dynamics and fluxes as affected by tree harvest in an experimental sand ecosystem by Keller, C. K., White, T. M., O'Brien, R., Smith, J. L.

“…Soil CO 2 production is a key process in ecosystem C exchange, and global change predictions require understanding of how ecosystem disturbance affects this…”
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Soil CO dynamics and fluxes as affected by tree harvest in an experimental sand eecosystem by KELLER, C. K, WHITE, T. M, O'BRIEN, R, SMITH, J. L

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