Suchergebnisse

Mak, J. E., Brenninkmeijer, C. A. M. und Southon, J. R.: Direct measurement of the production rate of ¹⁴C near Earth's surface, Geophysical Research Letters, 26, 3381–3384 [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-969C-9, 1999.

Martinez, M., Arnold, T. und Perner, D.: The role of bromine and chlorine chemistry for arctic ozone depletion events in Ny-Alesund and comparison with model calculations, Annual Geophysicae, 17, 941–956 [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-97AC-E, 1999.

Marufu, L., Ludwig, J., Andreae, M. O., Lelieveld, J. und Helas, G.: Spatial and temporal variation in biofuel consumption rates and patterns in Zimbabwe: Implications for atmospheric trace gas emission, Biomass and Bioenergy, 16, 311–332 [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-9616-8, 1999.

Mazumdar, A., Baneerjee, D. M., Schidlowski, M. und Balaram, V.: Rare-earth elements and stable isotope geochemistry of early Cambrian chert-phosphorite assemblages from the Lower Tal Formation of the Krol Belt (Lesser Himalaya, India), Chemical Geology, 156, 275–297 [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-9764-E, 1999.

McSween Jr., H. Y., Murchie, S. L., Crisp, J. A., Bridges, N. T., Anderson, R. C., Bell III, J. F., Britt, D. T., Brückner, J., Dreibus, G., Economou, T., Ghosh, A., Golombek, M. P., Greenwood, J. P., Johnson, J. R., Moore, H. J., Morris, R. V., Parker, T. J., Rieder, R., Singer, R. und Wänke, H.: Chemical, multispectral, and textural constraints on the composition and origin of rocks at the Mars Pathfinder landing site, Journal of Geophysical Research, 104, 8679–8715 [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-9674-1, 1999.

Meilinger, S. K., Tsias, A., Dreiling, V., Kuhn, M., Feigl, C., Ziereis, H., Schlager, H., Curtius, J., Sierau, B., Arnold, F., Zöger, M., Schiller, C. und Peter, T.: HNO₃ Partitioning in Cirrus Clouds, Geophysical Research Letters, 26, 2207–2210 [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-96F2-7, 1999.

Merchel, S. und Herpers, U.: An update on radiochemical separation techniques for the determination of long-lived radionuclides via accelerator mass spectrometry, Radiochimica Acta, 84, 215–219 [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-963E-0, 1999.

Mezger, K. und Cosca, M. A.: The thermal history of the Eastern Ghats Belt (India) as revealed by U-Pb and ⁴⁰Ar/³⁹Ar dating of metamorphic and magmatic minerals: implications for the SWEAT correlation, Precambrian Research, 94, 251–271 [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-97B4-9, 1999.

Müller, R., Grooß, J.-U., McKenna, D. S., Crutzen, P. J., Brühl, C., Russel III, J. M., Gordley, L. L., Burrows, J. P. und Tuck, A. F.: Chemical ozone loss in the Arctic vortex in the winter 1995-96: HALOE measurements in conjunction with other observations, Annual Geophysicae, 17, 101–114 [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-9676-E, 1999.

Neeb, P. und Moortgat, G. K.: Formation of OH radicals in their gas phase reaction of propene, isobutene and isoprene with O₃: yields and mechanistic implications, Journal of Physical Chemistry, 103, 9003–9012 [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-96CC-E, 1999.

Ott, U.: Laboratory studies of grains from outside the solar system: A new kind of astronomy, Science Progress, 82, 49–67 [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-970A-B, 1999.

Otter, L. B., Lang, W. X., Scholes, M. C. und Meixner, F. X.: Nitric oxide emissions from a Southern African savanna, Journal of Geophysical Research, 104, 18471–18485 [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-9728-7, 1999.

Perner, D., Arnold, T., Crowley, J., Klüpfel, T., Martinez, M. und Seuwen, R.: The measurement of active chlorine in the atmosphere by chemical amplification, Journal of Atmospheric Chemistry, 34, 9–20 [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-979E-E, 1999.

Pfänder, J. A., Jochum, K. P., Sassen, A., Stoll, B., Maissenbacher, P. und Murmann, M.: Determination of Y, Zr and ultra-low Nb concentrations in geological material by multi-ion counting spark-source mass spectrometry (MIC-SSMS), Fresenius Journal of Analytical Chemistry, 364, 376–380 [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-9694-A, 1999.

Pidgeon, R., Nasdala, L. und Todt, W.: Determination of radiation damage ages on parts of zircon grains by Raman microprobe: implications for annealing history and U-Pb stability, Mineralogical Magazine, 62A, 1174–1176 [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-9692-E, 1999.

Platt, U. und Moortgat, G. K.: Heterogeneous and homogeneous chemistry of reactive halogen compounds in the lower troposphere, Journal of Atmospheric Chemistry, 34, 1–8 [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-96E8-0, 1999.

Puchtel, I. S., Brügmann, G. E. und Hofmann, A. W.: Precise Re-Os mineral isochron and Pb-Nd-Os isotope systematics of a mafic-ultramafic sill in the 2.0 Ga Onega plateau (Baltic Shield), Earth and Planetary Science Letters, 170, 447–461 [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-9754-1, 1999.

Puchtel, I. S., Hofmann, A. W., Amelin, Y. V., Garbe-Schönberg, C.-D., Samsonov, A. V. und Shchipansky, A. A.: Combined mantle plume-island arc model for the formation of the 2.9 Ga Sumozero-Kenozero greenstone belt, SE Baltic Shield: Isotope and trace element constraints, Geochimica et Cosmochimica Acta, 63, 3579–3595 [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-9682-1, 1999.

Rausch, A., Ebert, M., Gorzawski, G., Weinbruch, S., Hoffmann, P. und Helas, G.: High-resolution scanning electron microscopy of individual aerosol particles obtained during LACE 98, Journal of Aerosol Science, 30S, 515–516 [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-96EE-4, 1999.

Rehkämper, M., Halliday, A. N., Alt, J., Fitton, J. G., Zipfel, J. und Takazawa, E.: Non chondritic platinum group element ratios in oceanic mantle lithosphere: Petrogenic signature of melt percolation?, Earth and Planetary Science Letters, 172, 65–81 [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-9730-4, 1999.