Search Results - "Irwin III, Rossman P."

An intense terminal epoch of widespread fluvial activity on early Mars: 2. Increased runoff and paleolake development by Irwin III, Rossman P., Howard, Alan D., Craddock, Robert A., Moore, Jeffrey M.

“…To explain the much higher denudation rates and valley network development on early Mars (>∼3.6 Gyr ago), most investigators have invoked either steady state…”
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Geomorphology of Ma'adim Vallis, Mars, and associated paleolake basins by Irwin III, Rossman P., Howard, Alan D., Maxwell, Ted A.

“…Ma'adim Vallis, one of the largest valleys in the Martian highlands, appears to have originated by catastrophic overflow of a large paleolake located south of…”
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Sedimentary resurfacing and fretted terrain development along the crustal dichotomy boundary, Aeolis Mensae, Mars by Irwin III, Rossman P., Watters, Thomas R., Howard, Alan D., Zimbelman, James R.

“…The evolution of the Martian crustal dichotomy boundary, which separates the southern cratered highlands from the northern lowland plains by 1–3 km of…”
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An intense terminal epoch of widespread fluvial activity on early Mars: 1. Valley network incision and associated deposits by Howard, Alan D., Moore, Jeffrey M., Irwin III, Rossman P.

“…We present evidence that a final epoch of widespread fluvial erosion and deposition in the cratered highlands during the latest Noachian or early to…”
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Drainage basin evolution in Noachian Terra Cimmeria, Mars by Irwin III, Rossman P., Howard, Alan D.

“…Geomorphic mapping of a ∼1 million square kilometer section of Terra Cimmeria on Mars (1:1M scale) indicates that prolonged, intense fluvial erosion occurred…”
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A Large Paleolake Basin at the Head of Ma'adim Vallis, Mars by Irwin, Rossman P., Maxwell, Ted A., Howard, Alan D., Craddock, Robert A., Leverington, David W.

“…At 8 to 15 kilometers wide, Ma'adim Vallis is one of the largest valleys in the martian highlands. Although a groundwater source was previously suggested, the…”
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Topographic influences on development of Martian valley networks by Irwin III, Rossman P., Craddock, Robert A., Howard, Alan D., Flemming, Holly L.

“…Some morphometric differences between terrestrial and Martian valley networks may reflect the precursor topography on Mars, particularly impact basins or…”
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Distribution of Early, Middle, and Late Noachian cratered surfaces in the Martian highlands: Implications for resurfacing events and processes by Irwin III, Rossman P., Tanaka, Kenneth L., Robbins, Stuart J.

“…Most of the geomorphic changes on Mars occurred during the Noachian Period, when the rates of impact crater degradation and valley network incision were…”
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Morphometry of Great Basin pluvial shore landforms: Implications for paleolake basins on Mars by Irwin III, Rossman P., Zimbelman, James R.

“…Many basins with relict contributing valley networks and outlet valleys in the Martian highlands indicate past flowing and ponded water on the surface. These…”
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Geology of the Martian crustal dichotomy boundary: Age, modifications, and implications for modeling efforts by Irwin III, Rossman P., Watters, Thomas R.

“…The contrast in crustal thickness, surface age, elevation, and morphology between the southern cratered highlands and northern lowland plains of Mars is termed…”
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Drainage network development in the Keanakāko'i tephra, Kīlauea Volcano, Hawai'i: Implications for fluvial erosion and valley network formation on early Mars by Craddock, Robert A., Howard, Alan D., Irwin III, Rossman P., Tooth, Stephen, Williams, Rebecca M. E., Chu, Pao-Shin

“…A number of studies have attempted to characterize Martian valley and channel networks. To date, however, little attention has been paid to the role of…”
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Hemispheres Apart: The Crustal Dichotomy on Mars by Watters, Thomas R, McGovern, Patrick J, Irwin, Rossman P

“…The hemispheric dichotomy is a fundamental feature of Mars, expressed by a physiographic and geologic divide between the heavily cratered southern highlands…”
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Formation of a terraced fan deposit in Coprates Catena, Mars by Weitz, Catherine M., Irwin, Rossman P., Chuang, Frank C., Bourke, Mary C., Crown, David A.

“…We have studied a terraced fan deposit with unique characteristics located within a trough of Coprates Catena. The fan has an average length of 6.8 km, and is…”
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The relationship between the Southern Oscillation Index and tropical cyclone tracks in the eastern North Pacific by Irwin III, Rossman P., Davis, Robert E.

“…Points of origin and downgradation of tropical cyclones in the eastern North Pacific (ENP) east of 160°W are related to the Southern Oscillation Index (SOI)…”
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