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- Davis, J.L, et al.
(författare)
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Geodesy by radio interferometry: Effects of atmospheric modeling errors on estimates of baseline length
- 1985
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Ingår i: Radio Science. - 0048-6604 .- 1944-799X. ; 20:6, s. 1593-1607
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Tidskriftsartikel (refereegranskat)abstract
- Analysis of very long baseline interferometry data indicates that systematic errors in prior estimatesof baseline length, of order 5 cm for ~8000-km baselines, were due primarily to mismodeling of theelectrical path length of the troposphere and mesosphere ("atmospheric delay"). Here we discussobservational evidence for the existence of such errors in the previously used models for the atmosphericdelay and develop a new "mapping" function for the elevation angle dependence of this delay. Thedelay predicted by this new mapping function differs from ray trace results by less than ~5 mm, at allelevations down to 5° elevation, and introduces errors into the estimates of baseline length of •
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- Routh, Joyanto, 1968-
(författare)
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Metamorphism and Structural Interpretation of the Zanskar Shear Zone, PJW Himalaya, India
- 1993
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Ingår i: Journal of the Geological Society of India. - : Geological society of India. - 0016-7622 .- 0974-6889. ; 41:3, s. 187-198
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Tidskriftsartikel (refereegranskat)abstract
- Herren in 1987, reported normal faults resulted in the telescoping of metamorphic isograds within a 200 meter zone between Sumche Topko to Mulung Topko in the Zanskar Shear Zone NW Himalaya. However petrographic study-of sections obtained from Mulung Topko and surrounding areas (pensila-padarn section) indicate that the rocks belong to the kyanite-sillimanite-starurolite grade only. Extension crenulation cleavage and other shear criteria show an initial NESW movement after which a layer parallel extension occurred and the shear zone developed. Minieralogical assemblage and mapping indicate that the isograds run paralleI to each other before they possibly truncate against the shear zone along the Pensila-Padam section. A probable model has been proposed to explain the features
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- Hoffsten, Per-Ola
(författare)
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Galvån : Ett riksintresseområde för naturvården, X 105
- 1992
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- RiksintressetRikedom av forsar och strömmar i kombination med vattendragets storlek utgör en ovanlig och därför värdefull miljö.Området utgör även en värdefull biotop för sårbart djurliv bl. a utter, nedströmsvandrande insjööring.Översvämningsbetingade våtmarksmiljöer med rik flora, bl. a Kung Karls spira, intressant strandflora invid sidofåror, samt en unik svampflora invid biflödet Nybobäcken.
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