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Filters: Author is Johnson, H P and Keyword is HOV Alvin (Human Occupied Vehicle)  [Clear All Filters]
1983
N. A. Van Wagoner and Johnson, H. P., “Magnetic properties of three segments of the Mid-Atlantic Ridge at 37 degrees N: FAMOUS, Narrowgate, and AMAR; AMAR 2”, Journal of Geophysical Research, vol. 88, pp. 5065–5082, 1983.
1990
H. P. Johnson and Embley, R. W., “Axial Seamount - An active ridge-axis volcano on the central Juan de Fuca Ridge”, Journal of Geophysical Research, vol. 95, pp. 12,612–689,696, 1990.
1992
R. N. Hey, Sinton, J. M., Kleinrock, M. C., Yonover, R. N., Macdonald, K. C., Miller, S. P., Searle, R. C., Christie, D. M., Atwater, T. M., Sleep, N. H., Johnson, H. P., and Neal, C. A., “Alvin investigation of an active propagating rift system, Galapagos 95.5 degrees west”, Marine Geophysical Researches, vol. 14, pp. 207–226, 1992.
1993
H. P. Johnson, Becker, K., and Von Herzen, R. P., “Near-axis heat flow measurements on the northern Juan de Fuca Ridge: implications for fluid circulation in oceanic crust”, Geophysical Research Letters, vol. 20, pp. 1875–1878, 1993.
M. L. Holmes and Johnson, H. P., “Upper crustal densities derived from sea floor gravity measurements: Northern Juan De Fuca Ridge”, Geophysical Research Letters, vol. 20, pp. 1871–1874, 1993.
M. A. Tivey and Johnson, H. P., “Variations in oceanic crustal structure and the implications for the fine-scale magnetic anomaly signal”, Geophysical Research Letters, vol. 20, pp. 1879–1882, 1993.
1995
M. A. Tivey and Johnson, H. P., “Alvin magnetic survey of zero-age crust: CoAxial segment eruption, Juan de Fuca Ridge”, Geophysical Research Letters, vol. 22, pp. 171–174, 1995.
H. P. Johnson and Tivey, M. A., “Magnetic properties of zero-age oceanic crust; a new submarine lava flow on the Juan de Fuca Ridge”, Geophysical Research Letters, vol. 22, pp. 175–178, 1995.
1998
M. J. Pruis and Johnson, H. P., “Porosity of very young oceanic crust from sea floor gravity”, Geophysical Research Letters, vol. 25, pp. 1959–1962, 1998.
1999
L. A. Gilbert and Johnson, H. P., “Direct measurements of oceanic crustal density at the northern Juan de Fuca Ridge”, Geophysical Research Letters, vol. 26, pp. 3633–3636, 1999.
2000
H. P. Johnson, Pruis, M. J., Van Patten, D., and Tivey, M. A., “Density and porosity of upper oceanic crust from seafloor gravity measurements”, Geophysical Research Letters, vol. 27, pp. 1053–1056, 2000.
H. P. Johnson, Hutnak, M., Dziak, R. P., Fox, C. G., Urcuyo, I., Cowen, J. P., Nabelek, J., and Fisher, C. R., “Earthquake-induced changes in a hydrothermal system on the Juan de Fuca mid-ocean ridge”, Nature, vol. 407, pp. 174–177, 2000.
2001
W. W. Chadwick, Schreirer, D. S., Embley, R. W., and Johnson, H. P., “High-resolution bathymetric surveys using scanning sonars: Lava flow morphology, hydrothermal vent and geologic structure at recent eruption sites on the Juan de Fuca Ridge”, Journal of Geophysical Research, vol. 106, pp. 16,16–75,100, 2001.
2002
M. J. Pruis and Johnson, H. P., “Age dependent porosity of young upper oceanic crust: Insights from seafloor gravity studies of recent volcanic eruptions”, Geophysical Research Letters, vol. 29, p. 1076, 2002.
2007
L. A. Gilbert, McDuff, R. E., and Johnson, H. P., “Porosity of the upper edifice of Axial Seamount”, Geology, vol. 35, pp. 49–52, 2007.
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