نتایج جستجو برای: progradation

تعداد نتایج: 209  

Journal: :International Journal of Earth Sciences 2023

Abstract The thick Lake Pannon sedimentary record provides insights into the downdip and lateral development of stratigraphic surfaces through analysis basin-scale clinoform progradation. architecture from eastern part Drava Basin (Pannonian System) was interpreted to reflect base-level changes. A major downlap surface as a flooding event followed by rejuvenation slope progradation recognized o...

Journal: :Journal of Marine Science and Engineering 2021

Hybrid event beds represent the combined effect of multiple geological processes, which result in complex depositional geometries and distinct facies distribution marine environments. Previous work on hybrid highlights classification, origin, types facies. However, present study, we discuss development submarine lobes with an emphasis analysis proximal to distal, frontal lateral relationships e...

Journal: :Journal Of Geophysical Research: Earth Surface 2021

Coastal rivers that build deltas undergo repeated avulsion events—that is, abrupt changes in river course—which we need to understand predict land building and flood hazards coastal landscapes. Climate change can impact water discharge, frequency, sediment supply, sea level, all of which could location frequency. Here present results from quasi-2D morphodynamic simulations delta-lobe constructi...

2007
Ø. Hammer D. K. Dysthe B. Jamtveit

We present a simple, abstract model for travertine dam formation. The simulation uses a depth-averaged hydrodynamic code, coupled with an empirical precipitation model where surface-normal growth rate is proportional to local flow rate. The dynamics of the resulting formation, coarsening and migration (progradation) of crests is demonstrated and compared with field observations. The local self-...

Journal: :Journal of Marine Science and Engineering 2022

The requirements for the accurate characterization of shoal sediments have increased in view fact that strata are eroded due to uplift and it is difficult calculate real thickness granular shoal. To solve this problem, with shoal-to-strata ratio, type distribution range carbonate rock facies described, sedimentary subsequently presented. Taking P2m2a Eastern Sichuan as an example, following con...

Journal: :Sedimentology 2023

Abstract Integrated sedimentological and ichnological studies in deltaic systems are key to determine whether a delta is river‐dominated, tide‐dominated, wave‐dominated or hybrid, thus predict the distribution of their geometries main reservoirs. The Austral Basin one most important oil gas basins from Argentina, Upper Cretaceous La Anita Formation has shown excellent attributes as hydrocarbon ...

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