منابع مشابه
A potential thermal erosion lava channel on Io
[1] We have discovered a prominent >190 km long, 0.5– 6 km wide lava channel on Io. The channel is sinuous with interior islands andmay be associatedwith the active Tawhaki Patera hotspot. Photoclinometric analysis of the Galileo images indicates that this channel, provisionally named Tawhaki Vallis, is 40 – 65 m deep. Although a constructional contribution cannot be ruled out, the depth, morph...
متن کاملLimited role for thermal erosion by turbulent lava in proximal Athabasca Valles, Mars.
The Athabasca Valles flood lava is among the most recent (<50 Ma) and best preserved effusive lava flows on Mars and was probably emplaced turbulently. The Williams et al. [2005] model of thermal erosion by lava has been applied to what we term "proximal Athabasca," the 75 km long upstream portion of Athabasca Valles. For emplacement volumes of 5000 and 7500 km3 and average flow thicknesses of ...
متن کاملAnimating Lava Flows
Animating lava flowing down the slopes of a volcano brings several challenges: modeling the mechanical features of lava and how they evolve over time depending on temperature; computing, in a reasonable time, the interactions inside the flow, and between the flow and a complex terrain data-base; and lastly, rendering the visual aspect of the flow. The methods described rely on smoothed particle...
متن کاملAsteroidal Lava Flows
Some meteorites are pieces of lava flows. They have the expected minerals present and the crystals are intertwined in a characteristic way indicative of crystallization in a lava flow. This shows that lavas erupted on at least some asteroids. Age dating indicates that the eruptions took place 4.5 billion years ago. Planetary scientists have recognized three main groups of asteroidal lava flows,...
متن کاملDevelopment length of laminar magnetohydrodynamics pipe flows
In this article, a laminar magnetohydrodynamics (MHD) developing flow of an incompressible electrically conducting fluid subjected to an external magnetic field is considered. The aim of the study is to propose a correlation for computing the development length of the laminar MHD developing flow in a pipe. A numerical approach is considered to solve the problem. In the first step, the numerical...
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ژورنال
عنوان ژورنال: Journal of Geophysical Research: Solid Earth
سال: 2001
ISSN: 0148-0227
DOI: 10.1029/2001jb000227