Search Results - "Neff, J. C."

Increasing eolian dust deposition in the western United States linked to human activity by Neff, J. C, Ballantyne, A. P, Farmer, G. L, Mahowald, N. M, Conroy, J. L, Landry, C. C, Overpeck, J. T, Painter, T. H, Lawrence, C. R, Reynolds, R. L

“…Mineral aerosols from dust are an important influence on climate and on marine and terrestrial biogeochemical cycles. These aerosols are generated from wind…”
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Impact of Boreal Forest Fire on Climate Warming by Randerson, J.T, Liu, H, Flanner, M.G, Chambers, S.D, Jin, Y, Hess, P.G, Pfister, G, Mack, M.C, Treseder, K.K, Welp, L.R, Chapin, F.S, Harden, J.W, Goulden, M.L, Lyons, E, Neff, J.C, Schuur, E.A.G, Zender, C.S

“…We report measurements and analysis of a boreal forest fire, integrating the effects of greenhouse gases, aerosols, black carbon deposition on snow and sea…”
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Dust mediated transfer of phosphorus to alpine lake ecosystems of the Wind River Range, Wyoming, USA by Brahney, J, Ballantyne, A. P, Kociolek, P, Spaulding, S, Otu, M, Porwoll, T, Neff, J. C

“…Alpine lakes receive a large fraction of their nutrients from atmospheric sources and are consequently sensitive to variations in both the amount and chemistry…”
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Contemporary geochemical composition and flux of aeolian dust to the San Juan Mountains, Colorado, United States by Lawrence, Corey R., Painter, T. H., Landry, C. C., Neff, J. C.

“…Dust deposition in the Rocky Mountains may be an important biogeochemical flux from upwind ecosystems. Seasonal (winter/spring) dust mass fluxes to the San…”
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Seasonal changes in the age and structure of dissolved organic carbon in Siberian rivers and streams by Neff, J. C., Finlay, J. C., Zimov, S. A., Davydov, S. P., Carrasco, J. J., Schuur, E. A. G., Davydova, A. I.

“…We examined the age and structural composition of dissolved organic carbon (DOC) transported in the Kolyma River, two large tributaries and several small…”
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Plant Response to Nutrient Availability Across Variable Bedrock Geologies by Castle, S. C, Neff, J. C

“…We investigated the role of rock-derived mineral nutrient availability on the nutrient dynamics of overlying forest communities (Populus tremuloides and Picea…”
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The Hidden Costs of Land Degradation in US Maize Agriculture by Jang, W. S., Neff, J. C., Im, Y., Doro, L., Herrick, J. E.

“…The United States is a world leader in the production of maize and other crops and the agricultural success of the country is directly linked to the intensive…”
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Multi-decadal impacts of grazing on soil physical and biogeochemical properties in southeast Utah by Neff, J.C, Reynolds, R.L, Belnap, J, Lamothe, P

“…Many soils in southeastern Utah are protected from surface disturbance by biological soil crusts that stabilize soils and reduce erosion by wind and water…”
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What controls plant nutrient use in high elevation ecosystems? by Castle, S. C., Neff, J. C.

“…The importance of rock-derived mineral nutrients (P, K, Mn, Mg, and Ca) in plant physiological function is well established. However, one important and…”
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The role of dust storms in total atmospheric particle concentrations at two sites in the western U.S by Neff, J. C., Reynolds, R. L., Munson, S. M., Fernandez, D., Belnap, J.

“…Mineral aerosols are produced during the erosion of soils by wind and are a common source of particles (dust) in arid and semiarid regions. The size of these…”
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Net Ecosystem Production: A Comprehensive Measure of Net Carbon Accumulation by Ecosystems by Randerson, J. T., Chapin, F. S., Harden, J. W., Neff, J. C., Harmon, M. E.

“…The conceptual framework used by ecologists and biogeochemists must allow for accurate and clearly defined comparisons of carbon fluxes made with disparate…”
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Soil carbon storage responses to expanding pinyon-juniper populations in southern Utah by Neff, J.C, Barger, N.N, Baisden, W.T, Fernandez, D.P, Asner, G.P

“…Over the past several decades, the expansion and thickening of woodlands in the western United States has caused a range of ecological changes. Woody expansion…”
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Controls of Bedrock Geochemistry on Soil and Plant Nutrients in Southeastern Utah by Neff, J. C, Reynolds, R, Sanford, R. L. Jr, Fernandez, D, Lamothe, P

“…The cold deserts of the Colorado Plateau contain numerous geologically and geochemically distinct sedimentary bedrock types. In the area near Canyonlands…”
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Chemistry of burning the forest floor during the FROSTFIRE experimental burn, interior Alaska, 1999 by Harden, J.W, Neff, J.C, Sandberg, D.V, Turetsky, M.R, Ottmar, R, Gleixner, G, Fries, T.L, Manies, K.L

“…Wildfires represent one of the most common disturbances in boreal regions, and have the potential to reduce C, N, and Hg stocks in soils while contributing to…”
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The contemporary physical and chemical flux of aeolian dust: A synthesis of direct measurements of dust deposition by Lawrence, Corey R., Neff, Jason C.

“…The deposition of aeolian, or windblown, dust is widely recognized as an important physical and chemical flux to ecosystems. Dust deposition adds exogenous…”
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Biogeochemical and ecological impacts of livestock grazing in semi-arid southeastern Utah, USA by Fernandez, D.P., Neff, J.C., Reynolds, R.L.

“…Relatively few studies have examined the ecological and biogeochemical effects of livestock grazing in southeastern Utah. In this study, we evaluated how…”
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Potential carbon release from permafrost soils of Northeastern Siberia by DUTTA, KOUSHIK, SCHUUR, E. A. G., NEFF, J. C., ZIMOV, S. A.

“…Permafrost soils are an important reservoir of carbon (C) in boreal and arctic ecosystems. Rising global temperature is expected to enhance decomposition of…”
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Ecological changes in two contrasting lakes associated with human activity and dust transport in western Wyoming by Brahney, J., Ballantyne, A. P., Kociolek, P., Leavitt, P. R., Farmer, G. L., Neff, J. C.

“…The atmospheric transport and deposition of aerosols has the potential to influence the chemistry and biology of oligotrophic alpine lakes. In recent decades,…”
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The earliest stages of ecosystem succession in high-elevation (5000 metres above sea level), recently deglaciated soils by Schmidt, S.K, Reed, Sasha C, Nemergut, Diana R, Stuart Grandy, A, Cleveland, Cory C, Weintraub, Michael N, Hill, Andrew W, Costello, Elizabeth K, Meyer, A.F, Neff, J.C, Martin, A.M

“…Global climate change has accelerated the pace of glacial retreat in high-latitude and high-elevation environments, exposing lands that remain devoid of…”
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Reconciling Carbon-Cycle Concepts, Terminology, and Methods by Chapin, F. S., Woodwell, G. M., Randerson, J. T., Rastetter, E. B., Lovett, G. M., Baldocchi, D. D., Clark, D. A., Harmon, M. E., Schimel, D. S., Valentini, R., Wirth, C., Aber, J. D., Cole, J. J., Goulden, M. L., Harden, J. W., Heimann, M., Howarth, R. W., Matson, P. A., McGuire, A. D., Melillo, J. M., Mooney, H. A., Neff, J. C., Houghton, R. A., Pace, M. L., Ryan, M. G., Running, S. W., Sala, O. E., Schlesinger, W. H., Schulze, E.-D.

“…Recent projections of climatic change have focused a great deal of scientific and public attention on patterns of carbon (C) cycling as well as its controls,…”
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