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| 3. |
- Lindbäck, Katrin, et al.
(author)
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Subglacial water drainage, storage, and piracy beneath the Greenland Ice Sheet
- 2015
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In: Geophysical Research Letters. - 0094-8276 .- 1944-8007. ; 42:18, s. 7606-7614
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Journal article (other academic/artistic)abstract
- Meltwater drainage across the surface of the Greenland Ice Sheet (GrIS) is well constrained by measurements and modeling, yet despite its critical role, knowledge of its transit through the subglacial environment remains limited. Here we present a subglacial hydrological analysis of a land-terminating sector of the GrIS at unprecedented resolution that predicts the routing of surface-derived meltwater once it has entered the basal drainage system. Our analysis indicates the probable existence of small subglacial lakes that remain undetectable by methods using surface elevation change or radar techniques. Furthermore, the analysis suggests transient behavior with rapid switching of subglacial drainage between competing catchments driven by seasonal changes in the basal water pressure. Our findings provide a cautionary note that should be considered in studies that attempt to relate and infer future response from surface temperature, melt, and runoff from point measurements and/or modeling with measurements of proglacial discharge and ice dynamics.
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| 5. |
- Arvidsson, R, et al.
(author)
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Plate tectonic framework for the October 9, 1996, Cyprus earthquake
- 1998
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In: GEOPHYSICAL RESEARCH LETTERS. - : AMER GEOPHYSICAL UNION. - 0094-8276. ; 25:12, s. 2241-2244
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Journal article (other academic/artistic)abstract
- We determine the centroid depths for the M-W = 6.8, October 9, 1996, Cyprus earthquake and its largest aftershock to 32 and 27 km, respectively, by modeling P and SH waveforms. These depths are consistent with shallow subduction as the African plate, west
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| 6. |
- Askebjer, P, et al.
(author)
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UV and optical light transmission properties in deep ice at the South Pole
- 1997
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In: GEOPHYSICAL RESEARCH LETTERS. - : AMER GEOPHYSICAL UNION. - 0094-8276. ; 24:11, s. 1355-1358
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Journal article (other academic/artistic)abstract
- Both absorption and scattering of light at wavelengths 410 to 610 nanometers were measured in tile South Pole ice at depths 0.8 to 1 kilometer with the laser calibration system of the Antarctic Muon And Neutrino Detector Array (AMANDA). At the shortest wa
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| 8. |
- Buraglio, N, et al.
(author)
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Distribution and inventory of I-129 in the central Arctic Ocean
- 1999
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In: GEOPHYSICAL RESEARCH LETTERS. - : AMER GEOPHYSICAL UNION. - 0094-8276. ; 26:8, s. 1011-1014
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Journal article (other academic/artistic)abstract
- The concentration of I-129 was measured in water samples from three depth profiles collected in the central Arctic Ocean during 1996. The results indicate >7x10(8) atoms/liter in the cold, low salinity, 100-m-deep surface layer, and 0.06x10(8) atoms/liter
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| 9. |
- CAIRNS, RA, et al.
(author)
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ELECTROSTATIC SOLITARY STRUCTURES IN NONTHERMAL PLASMAS
- 1995
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In: GEOPHYSICAL RESEARCH LETTERS. - : AMER GEOPHYSICAL UNION. - 0094-8276. ; 22:20, s. 2709-2712
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Journal article (other academic/artistic)abstract
- Solitary electrostatic structures involving density depletions have been observed in the upper ionosphere by the Freja satellite [Dovner el al., 1994]. If these are interpreted as ion sound solitons, the difficulty arises that the standard Korteweg-de Vri
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| 10. |
- Dovner, PO, et al.
(author)
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The occurrence of lower hybrid cavities in the upper ionosphere
- 1997
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In: GEOPHYSICAL RESEARCH LETTERS. - : AMER GEOPHYSICAL UNION. - 0094-8276. ; 24:5, s. 619-622
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Journal article (other academic/artistic)abstract
- Lower hybrid cavities (LHC), i. e., small-scale density depletions coinciding with enhanced lower hybrid waves, are frequent in the upper ionosphere. It is found that they exist in all regions the Freja satellite has scanned, as long as lower hybrid waves
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