Search Results - "Engelsen, O."

Ten-year trends in atmospheric mercury concentrations, meteorological effects and climate variables at Zeppelin, Ny-Ålesund by Berg, T., Pfaffhuber, K. A., Cole, A. S., Engelsen, O., Steffen, A.

“…Results from ten years of gaseous elemental mercury (GEM) measurements at Zeppelin station, Ny-Ålesund, Svalbard, show no overall annual trend between 2000 and…”
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Vitamin D status of middle-aged women at 65–71°N in relation to dietary intake and exposure to ultraviolet radiation by Brustad, M, Alsaker, E, Engelsen, O, Aksnes, L, Lund, E

“…Abstract Objective: To determine the vitamin D status of middle-aged women living in the Norwegian arctic and its relationship with vitamin D intake and…”
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Low impact of dry conditions on the CO2 exchange of a Northern-Norwegian blanket bog by Lund, Magnus, Bjerke, J W, Drake, B G, Engelsen, O, Hansen, G H, Parmentier, F J W, Powell, T L, Silvennoinen, H, Sottocornola, M, Tømmervik, H, Weldon, S, Rasse, D P

“…Northern peatlands hold large amounts of organic carbon (C) in their soils and are as such important in a climate change context. Blanket bogs, i.e…”
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Natural and anthropogenic atmospheric mercury in the European Arctic: a fractionation study by Steen, A. O., Berg, T., Dastoor, A. P., Durnford, D. A., Engelsen, O., Hole, L. R., Pfaffhuber, K. A.

“…Gaseous elemental mercury (GEM) is converted to reactive gaseous mercury (RGM) during springtime Atmospheric Mercury Depletion Events (AMDE). This study…”
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Low-ozone events in the southern polar summer as indicated by Met Office ozone analyses by Jackson, D. R., Orsolini, Y. J., Engelsen, O.

“…Southern summer low‐ozone events (LOEs) are examined using Met Office ozone analyses for 2005–2007. At 31 hPa, tongues of low‐ozone air are pulled out of the…”
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Influence of clouds on the spectral actinic flux density in the lower troposphere (INSPECTRO): overview of the field campaigns by Thiel, S., Ammannato, L., Bais, A., Bandy, B., Blumthaler, M., Bohn, B., Engelsen, O., Gobbi, G. P., Gröbner, J., Jäkel, E., Junkermann, W., Kazadzis, S., Kift, R., Kjeldstad, B., Kouremeti, N., Kylling, A., Mayer, B., Monks, P. S., Reeves, C. E., Schallhart, B., Scheirer, R., Schmidt, S., Schmitt, R., Schreder, J., Silbernagl, R., Topaloglou, C., Thorseth, T. M., Webb, A. R., Wendisch, M., Werle, P.

“…Ultraviolet radiation is the key factor driving tropospheric photochemistry. It is strongly modulated by clouds and aerosols. A quantitative understanding of…”
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Fluctuations of MS births and UV-light exposure by Verheul, F., Smolders, J., Trojano, M., Lepore, V., Zwanikken, C., Amato, M. P., Grand'Maison, F., Butzkueven, H., Marrosu, M., Duquette, P., Comi, G., Izquierdo, G., Grammond, P., Lus, G., Petersen, T., Bergamaschi, R., Giuliani, G., Boz, C., Coniglio, G., Van Pesch, V., Lechner-Scott, J., Cavalla, P., Granella, F., Avolio, C., Fiol, M., Poehlau, D., Saladino, M. L., Gallo, P., Deri, N., Oleschko Arruda, W., Paine, M., Ferro, M., Barnett, M., Cabrera-Gomez, J. A., Slee, M., Moore, F., Shaw, C., Petkovska-Boskova, T., Rutherford, M., Engelsen, O., Damoiseaux, J., Hupperts, R.

“…Background Patients with multiple sclerosis (MS) are more frequently born in spring when compared to autumn. Fluctuation of UV‐light has been hypothesized to…”
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Long-term (1936–2003) ultraviolet and photosynthetically active radiation doses at a north Norwegian location in spring on the basis of total ozone and cloud cover by Engelsen, O., Hansen, G. H., Svenøe, T.

“…We have reconstructed a homogeneous and consistent 68‐year time series of ultraviolet (UVR) and photosynthetically active radiation (PAR) doses for the spring…”
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Measurement and Modeling of the Spectral and Directional Reflection Properties of Lichen and Moss Canopies by Solheim, I., Engelsen, O., Hosgood, B., Andreoli, G.

“…Both spectral and directional reflection characteristics of terrestrial surfaces are of interest for remote sensing applications. We report on detailed…”
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From model intercomparison toward benchmark UV spectra for six real atmospheric cases by Weele, M., Martin, T. J., Blumthaler, M., Brogniez, C., den Outer, P. N., Engelsen, O., Lenoble, J., Mayer, B., Pfister, G., Ruggaber, A., Walravens, B., Weihs, P., Gardiner, B. G., Gillotay, D., Haferl, D., Kylling, A., Seckmeyer, G., Wauben, W. M. F.

“…The validity of a radiative transfer model can be checked either by comparing its results with measurements or with solutions for artificial cases…”
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PO-1656 Accuracy of diffusion-weighted MRI in radiotherapy setup for multicenter PET/MRI in head/neck cancer by Winter, R.M., Lium, M., Engelsen, O., Sæther, O., Redalen, K.R.

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PO-1653 Reproducibility of quantitative PET in radiotherapy setup for multicenter PET/MR in head/neck cancer by Winter, R.M., Engelsen, O., Sæther, O., Redalen, K.R.

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Deriving phytoplankton biomass in the Marginal Ice Zone from satellite observable parameters by Engelsen, O., Hop, H., Hegseth, E. N., Hansen, E., Falk-petersen, S.

“…Water mass properties and sea ice history have a significant impact on the vertical distribution of phytoplankton in the Marginal Ice Zone of the northern…”
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Sensitivity of surface UV radiation and ozone column retrieval to ozone and temperature profiles by Lapeta, B., Engelsen, O., Litynska, Z., Kois, B., Kylling, A.

“…This paper discusses the influence of ozone and temperature profiles on surface UV radiation, and on total ozone column derived from global irradiance…”
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Daily Duration of Vitamin D Synthesis in Human Skin with Relation to Latitude, Total Ozone, Altitude, Ground Cover, Aerosols and Cloud Thickness by Engelsen, Ola, Brustad, Magritt, Aksnes, Lage, Lund, Eiliv

“…Vitamin D production in human skin occurs only when incident UV radiation exceeds a certain threshold. From simulations of UV irradiances worldwide and…”
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Vitamin D status of middle-aged women at 65-71 degrees N in relation to dietary intake and exposure to ultraviolet radiation by Brustad, M, Alsaker, E, Engelsen, O, Aksnes, L, Lund, E

“…To determine the vitamin D status of middle-aged women living in the Norwegian arctic and its relationship with vitamin D intake and exposure to ultraviolet…”
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The High Prevalence of Vitamin D Insufficiency across Australian Populations Is Only Partly Explained by Season and Latitude by Ingrid A. F. van der Mei, Ponsonby, Anne-Louise, Ola Engelsen, Julie A. Pasco, John J. Mc Grath, Daryl W. Eyles, Blizzard, Leigh, Dwyer, Terence, Robyn Lucas, Jones, Graeme

“…Background: Inadequate sun exposure and dietary vitamin D intake can result in vitamin D insufficiency. However, limited data are available on actual vitamin D…”
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Low impact of dry conditions on the CO 2 exchange of a Northern-Norwegian blanket bog by Lund, Magnus, Bjerke, J W, Drake, B G, Engelsen, O, Hansen, G H, Parmentier, F J W, Powell, T L, Silvennoinen, H, Sottocornola, M, Tømmervik, H, Weldon, S, Rasse, D P

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An introduction to the SCOUT-AMMA stratospheric aircraft, balloons and sondes campaign in West Africa, August 2006: rationale and roadmap by Cairo, F., Pommereau, J. P., Law, K. S., Schlager, H., Garnier, A., Fierli, F., Ern, M., Streibel, M., Arabas, S., Borrmann, S., Berthelier, J. J., Blom, C., Christensen, T., D'Amato, F., Di Donfrancesco, G., Deshler, T., Diedhiou, A., Durry, G., Engelsen, O., Goutail, F., Harris, N. R. P., Kerstel, E. R. T., Khaykin, S., Konopka, P., Kylling, A., Larsen, N., Lebel, T., Liu, X., MacKenzie, A. R., Nielsen, J., Oulanowski, A., Parker, D. J., Pelon, J., Polcher, J., Pyle, J. A., Ravegnani, F., Rivière, E. D., Robinson, A. D., Röckmann, T., Schiller, C., Simões, F., Stefanutti, L., Stroh, F., Some, L., Siegmund, P., Sitnikov, N., Vernier, J. P., Volk, C. M., Voigt, C., von Hobe, M., Viciani, S., Yushkov, V.

“…A multi-platform field measurement campaign involving aircraft and balloons took place over West Africa between 26 July and 25 August 2006, in the frame of the…”
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European UV DataBase (EUVDB) as a repository and quality analyser for solar spectral UV irradiance monitored in Sodankylä by Heikkilä, Anu, Kaurola, Jussi, Lakkala, Kaisa, Karhu, Juha Matti, Kyrö, Esko, Koskela, Tapani, Engelsen, Ola, Slaper, Harry, Seckmeyer, Gunther

“…Databases gathering atmospheric data have great potential not only as data storages but also in serving as platforms for coherent quality assurance (QA). We…”
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