Morphology of fluvial networks on Titan: Evidence for structural control

Burr, D. M.; Drummond, Sarah A.; Cartwright, Richard; Black, B. A.; Perron, J. Taylor

doi:10.1016/j.icarus.2013.06.016

Cited by 57 publications

(57 citation statements)

References 78 publications

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Section: Mapping Fluvial Featuresmentioning

confidence: 99%

“…We manually selected 71 drainage networks from a global database compiled from the Cassini spacecraft's Synthetic Aperture Radar (SAR) swaths Ta to T71 (12). These drainages were delineated on the basis of: i) linear geometry cross-cutting other SAR features; ii) light-dark pairings indicative of narrow topographic features; iii) branching geometries; iv) drainage into features interpreted as lakes (11,12). We selected drainages where we could confidently identify a sink location on the basis of junction angles, progressive downstream widening of valley features, orientation relative to features interpreted as lakes, and/or locally available stereo topography (34).…”

Section: Mapping Fluvial Featuresmentioning

confidence: 99%

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Global drainage patterns and the origins of topographic relief on Earth, Mars, and Titan

Black

Perron

Hemingway

et al. 2017

Science

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River systems reveal planetary tectonics Earth, Mars, and Titan have all hosted rivers at some point in their histories. Rivers erode the landscape, leaving behind signatures that depend on whether the surface topography was in place before, during, or after the period of liquid flow. Black et al. developed two metrics to measure how well river channels align with the surrounding large-scale topography (see the Perspective by Burr). Earth's plate tectonics introduce features such as mountain ranges that cause rivers to divert, processes that clearly differ from those found on Mars and Titan. Science , this issue p. 727 ; see also p. 708

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Section: Mapping Fluvial Featuresmentioning

confidence: 99%

Section: Mapping Fluvial Featuresmentioning

confidence: 99%

Global drainage patterns and the origins of topographic relief on Earth, Mars, and Titan

Black

Perron

Hemingway

et al. 2017

Science

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“…meth ane, eth ane). They form a num ber of lakes and rivers, usu ally in the po lar re gions (Hayes et al, 2008;Lopes et al, 2010;Moore and Howard, 2010;Langhans et al, 2012;Burr et al, 2013b).…”

Section: Basic Information About Titanmentioning

confidence: 99%

“…Shangri-La (land ing place of the Huygens; Fig. 4; Langhans et al, 2012;Burr et al, 2013b), in both of the po lar re gions, and in the Xanadu re gion (i.e. an equa to rial re gion; Fig.…”

Section: Rivers On Titanmentioning

confidence: 99%

“…The pres ent res o lu tion of the global maps of Titan is too low to de ter mine many de tails of river val ley mor phology (VIMS and ISS data -a few km/pixel, RADAR data -from 350 m/pixel to 1.7 km/pixel -e.g., Burr et al, 2013b). How ever, the res o lu tion is good enough to rec og nize the gen eral pat tern of well-de vel oped river val leys and large depositional bod ies (e.g., al lu vial fans).…”

Section: Introductionmentioning

confidence: 99%

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Numerical modelling of sedimentary structures in rivers on Earth and Titan

Misiura

Czechowski

2015

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The dif fer ences in the evo lu tion of rivers on Earth and on Ti tan are in ves ti gated. Dy nam i cal anal y sis of the rivers was performed us ing a nu mer i cal pack age CCHE2D de vel oped by the Na tional Cen ter for Com pu ta tional Hydroscience and En gineer ing, Uni ver sity of Mis sis sippi. The model is based on the Navier-Stokes equa tions for depth-in te grated two-di men sional tur bu lent flow and the three-di men sional con vec tion-dif fu sion equa tion of sed i ment trans port. The model en ables in ves ti gation of the evo lu tion of rivers as a func tion of to tal dis charge and other pa ram e ters of the river. Se ries of short (from one to sev eral hours) and long (up to 67 days) sim u la tions were per formed. We have found that three dif fer ent liq uid hy dro car bons con sid ered for Ti tan's rivers give sim i lar ve loc ity fields. It was also found that the sus pended load is the main means of transport in Ti tan's rivers, while in ter res trial ones, for the same dis charge, the bedload could be of the same or der as sus pended load. More over, we sup pose that for spe cific bound ary con di tions, the evo lu tion of rivers on the Earth pro motes the de vel opment of braided rivers, while for the same con di tions evo lu tion on Ti tan fa vours reg u lar me an der ing rivers.

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The landscape of Titan as witness to its climate evolution

2014

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We investigated the range of Titan climate evolution hypotheses regulated by the role, sources, and availability of methane. We analyzed all available image data (principally synthetic aperture radar (SAR)) of Titan's landscape through the T-86 encounter, starting with focused examinations of terrains that carry the markers of climate evolution. Traditional geologic and geomorphic landscape analysis was used to perform morphometric characterization, establish time-stratigraphic relationships, and interpret local and regional geologic process-oriented evolutionary histories. We then assayed the distribution of terrains we identified with respect to both their latitudinal and altimetric occurrence. Our analysis of the terrain types and distributions was used to evaluate and rank the various climate evolution scenarios. We favor progressive hypotheses, which include a relatively brief period in which precipitation was able to affect geomorphic change in low latitudes at scales perceivable in SAR data, with subsequent gradual decline of precipitation intensity coupled with an increasing poleward restriction.

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Morphology of fluvial networks on Titan: Evidence for structural control

Cited by 57 publications

References 78 publications

Global drainage patterns and the origins of topographic relief on Earth, Mars, and Titan

Global drainage patterns and the origins of topographic relief on Earth, Mars, and Titan

Numerical modelling of sedimentary structures in rivers on Earth and Titan

The landscape of Titan as witness to its climate evolution

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