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  • Journal article
    Czaja A, Frankignoul C, 1999,

    , GEOPHYSICAL RESEARCH LETTERS, Vol: 26, Pages: 2969-2972, ISSN: 0094-8276
    • Cite
    • Citations: 206
  • Journal article
    Meziane K, Lin RP, Parks GK, Larson DE, Bale SD, Mason GM, Dwyer JR, Lepping RPet al., 1999,

    , GEOPHYSICAL RESEARCH LETTERS, Vol: 26, Pages: 2925-2928, ISSN: 0094-8276
    • Cite
    • Citations: 15
  • Conference paper
    Dunlop MW, Dougherty MK, Kellock S, Southwood DJet al., 1999,

    , Symposium on The Jovian System after Galieo/The Santurnian System before Cassini-Huygens, Publisher: PERGAMON-ELSEVIER SCIENCE LTD, Pages: 1389-1405, ISSN: 0032-0633
    • Cite
    • Citations: 12
  • Conference paper
    Bantges RJ, Russell JE, Haigh JD, 1999,

    , Conference on Light Scattering by Nonspherical Particles - Theory, Measurements, and Applications, Publisher: PERGAMON-ELSEVIER SCIENCE LTD, Pages: 487-498, ISSN: 0022-4073
    • Cite
    • Citations: 16
  • Journal article
    Dunlop MW, Cargill PJ, 1999,

    , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 104, Pages: 17449-17457, ISSN: 2169-9380
  • Journal article
    Russell JE, Haigh JD, 1999,

    , JOURNAL OF THE ATMOSPHERIC SCIENCES, Vol: 56, Pages: 2601-2612, ISSN: 0022-4928
  • Journal article
    Kellogg PJ, Goetz K, Monson SJ, Bale SDet al., 1999,

    , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 104, Pages: 17069-17078, ISSN: 2169-9380
    • Cite
    • Citations: 62
  • Journal article
    Dunlop MW, Balogh A, Baumjohann W, Haerendel G, Fornacon KH, Georgescu Eet al., 1999,

    , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 104, Pages: 17491-17497, ISSN: 2169-9380
  • Journal article
    Lockwood M, Stamper R, Wild MN, Balogh A, Jones Get al., 1999,

    , ASTRONOMY & GEOPHYSICS, Vol: 40, Pages: 10-16, ISSN: 1366-8781
    • Cite
    • Citations: 22
  • Journal article
    Grappin R, Mangeney A, Schwartz SJ, Feldman WCet al., 1999,

    , \jgr, Vol: 104, Pages: 17033-17044-17033-17044
  • Journal article
    Stark G, Smith PL, Rufus J, Thorne AP, Pickering JC, Cox Get al., 1999,

    , JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS, Vol: 104, Pages: 16585-16590, ISSN: 2169-9097
    • Cite
    • Citations: 41
  • Journal article
    Lucek EA, Dunlop MW, Balogh A, Cargill P, Baumjohann W, Georgescu E, Haerendel G, Fornacon KHet al., 1999,

    , GEOPHYSICAL RESEARCH LETTERS, Vol: 26, Pages: 2159-2162, ISSN: 0094-8276
    • Cite
    • Citations: 74
  • Journal article
    Sanderson TR, Lario D, Maksimovic M, Marsden RG, Tranquille C, Balogh A, Forsyth RJ, Goldstein BEet al., 1999,

    , GEOPHYSICAL RESEARCH LETTERS, Vol: 26, Pages: 1785-1788, ISSN: 0094-8276
    • Cite
    • Citations: 14
  • Journal article
    Cargill PJ, 1999,

    , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 104, Pages: 14647-14653, ISSN: 2169-9380
  • Journal article
    Krupp N, Dougherty MK, Woch J, Seidel R, Keppler Eet al., 1999,

    , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 104, Pages: 14767-14780, ISSN: 2169-9380
    • Cite
    • Citations: 19
  • Journal article
    Galand M, Lilensten J, Toublanc D, Maurice Set al., 1999,

    , ICARUS, Vol: 140, Pages: 92-105, ISSN: 0019-1035
    • Cite
    • Citations: 72
  • Journal article
    Classen HT, Mann G, Forsyth RJ, Keppler Eet al., 1999,

    Low frequency plasma turbulence and high energy particles at CIR-related shock waves

    , ASTRONOMY & ASTROPHYSICS, Vol: 347, Pages: 313-320, ISSN: 0004-6361
  • Journal article
    Geer AJ, Harries JE, Brindley HE, 1999,

    , JOURNAL OF CLIMATE, Vol: 12, Pages: 1940-1955, ISSN: 0894-8755
    • Cite
    • Citations: 15
  • Journal article
    Rishbeth H, M眉ller-Wodarg ICF, 1999,

    , Annales Geophysicae, Vol: 17, Pages: 794-805

    <jats:p>Abstract. The coupled thermosphere-ionosphere-plasmasphere model CTIP is used to study the global three-dimensional circulation and its effect on neutral composition in the midlatitude F-layer. At equinox, the vertical air motion is basically up by day, down by night, and the atomic oxygen/molecular nitrogen [O/N2] concentration ratio is symmetrical about the equator. At solstice there is a summer-to-winter flow of air, with downwelling at subauroral latitudes in winter that produces regions of large [O/N2] ratio. Because the thermospheric circulation is influenced by the high-latitude energy inputs, which are related to the geometry of the Earth's magnetic field, the latitude of the downwelling regions varies with longitude. The downwelling regions give rise to large F2-layer electron densities when they are sunlit, but not when they are in darkness, with implications for the distribution of seasonal and semiannual variations of the F2-layer. It is also found that the vertical distributions of O and N2 may depart appreciably from diffusive equilibrium at heights up to about 160 km, especially in the summer hemisphere where there is strong upwelling. Atmospheric composition and structure (thermosphere · composition and chemistry) · Ionosphere (ionosphere · atmosphere interactions) </jats:p>
  • Journal article
    Toumi R, Hartell N, Bignell K, 1999,

    , GEOPHYSICAL RESEARCH LETTERS, Vol: 26, Pages: 1751-1754, ISSN: 0094-8276
    • Cite
    • Citations: 17
  • Journal article
    Bale SD, Reiner MJ, Bougeret JL, Kaiser ML, Krucker S, Larson DE, Lin RPet al., 1999,

    , GEOPHYSICAL RESEARCH LETTERS, Vol: 26, Pages: 1573-1576, ISSN: 0094-8276
    • Cite
    • Citations: 184
  • Journal article
    Rishbeth H, M眉ller-Wodarg ICF, 1999,

    , ANNALES GEOPHYSICAE-ATMOSPHERES HYDROSPHERES AND SPACE SCIENCES, Vol: 17, Pages: 794-805, ISSN: 0992-7689
    • Cite
    • Citations: 90
  • Conference paper
    Grappin R, Mangeney A, Schwartz SJ, Feldman WCet al., 1999,

    , Pages: 329-332-329-332
  • Journal article
    Rego D, Achilleos N, Stallard T, Miller S, Prang茅 R, Dougherty M, Joseph RDet al., 1999,

    , NATURE, Vol: 399, Pages: 121-124, ISSN: 0028-0836
    • Cite
    • Citations: 59
  • Journal article
    Riley P, Gosling JT, McComas DJ, Pizzo VJ, Luhmann JG, Biesecker D, Forsyth RJ, Hoeksema JT, Lecinski A, Thompson BJet al., 1999,

    , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 104, Pages: 9871-9879, ISSN: 2169-9380
    • Cite
    • Citations: 28
  • Journal article
    Proffitt CR, J枚nsson P, Litz茅n U, Pickering JC, Wahlgren GMet al., 1999,

    , ASTROPHYSICAL JOURNAL, Vol: 516, Pages: 342-348, ISSN: 0004-637X
    • Cite
    • Citations: 33
  • Journal article
    Linker JA, Mikic Z, Biesecker DA, Forsyth RJ, Gibson SE, Lazarus AJ, Lecinski A, Riley P, Szabo A, Thompson BJet al., 1999,

    , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 104, Pages: 9809-9830, ISSN: 2169-9380
    • Cite
    • Citations: 308
  • Journal article
    Proffitt CR, J枚nsson P, Litz茅n U, Pickering JC, Wahlgren GMet al., 1999,

    , Astrophysical Journal, Vol: 516, Pages: 342-348, ISSN: 0004-637X

    Boron abundances and isotope ratios in two early B stars have been measured by using the Hubble Space Telescope's Goddard High-Resolution Spectrograph (GHRS) in order to observe the B III resonance doublet near 2066 Å. We also report new experimental and theoretical results for the wavelengths, isotope shift, and hyperfine structure of these boron lines. In HD 886 (γ Pegasi; B2 IV), and HD 35299 (B1 V) the abundance of boron is about a factor of 2 lower than that inferred from solar system meteorites. The <sup>11</sup>B/<sup>10</sup>B isotope ratio in HD 886 is determined to be 4.7<sup>+1.1</sup><inf>-1.0</inf>, and for HD 35299 a value of 3.7<sup>+0.8</sup>-<inf>0.6</inf> is found. These values are consistent with the solar system isotope ratio. In a third star, HD 3360 (ζ Cassiopeiae; B2 IV), our GHRS observations show that the boron abundance is a factor of 40 below the solar system abundance. Our results for HD 886 and HD 35299 appear to be consistent with little dispersion in the initial boron-to-oxygen ratio among Population I stars and a universal <sup>11</sup>B/<sup>10</sup>B isotope ratio. However, the abundance measured for HD 3360 shows that either some stars suffer significant boron depletion while still in the core-hydrogen burning phase of their evolution, or there is indeed a very wide variation in initial Population I boron abundances. A much-improved understanding of boron astration in early B stars will be required before this question can be resolved.
  • Journal article
    Kellogg PJ, Goetz K, Monson SJ, Bale SDet al., 1999,

    , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 104, Pages: 6751-6757, ISSN: 2169-9380
    • Cite
    • Citations: 26
  • Journal article
    Kernthaler SC, Toumi R, Haigh JD, 1999,

    , GEOPHYSICAL RESEARCH LETTERS, Vol: 26, Pages: 863-865, ISSN: 0094-8276
    • Cite
    • Citations: 81

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