Results 61 to 70 of about 16,595 (224)

Bridging the Late Antique Gap in Northwest Arabia: New Archaeological Evidence on the Occupation of Wādī al‐Qurā (al‐ʿUlā [AlUla], Saudi Arabia) Between the Third and Seventh Centuries CE

open access: yesArabian Archaeology and Epigraphy, EarlyView.
ABSTRACT In 2019, the Dadan Archaeological Project (CNRS/RCU/AFALULA) identified a Late Antique village 1 km south of ancient Dadan in the al‐ʿUlā valley (northwest Saudi Arabia). Three excavation seasons at this site (2021–2023) have uncovered a massive building constructed in the late third or early fourth cent.
Jérôme Rohmer   +11 more
wiley   +1 more source

D’un estuaire à l’autre. Géoarchéologie comparée des ports antiques d’Aizier et de Rezé

open access: yesArchéopages, 2010
The sites of Aizier and Rezé, located in the estuaries of the Seine and the Loire respectively, are the subject of two research programmes initiated in 2005.
Rémy Arthuis   +2 more
doaj   +1 more source

Holocene Hydrological Changes Inferred from Alluvial Stream Entrenchment in North Tian Shan (Northwestern China) [PDF]

open access: yes, 2004
We analyze the possible contribution of climate change or tectonics on fluvial incision from the study of a case example along the northern flank of Tian Shan.
Avouac, Jean-Philippe, Poisson, Blanche
core   +3 more sources

A Mechanism of Formaticn of Fluvial Terraces

open access: yesThe Quaternary Research (Daiyonki-Kenkyu), 1966
Two examples of microtopography of fluvial terrace plains are described from the River Shinano, central Japan (Figs. 2 and 3). The topography consists of narrow, shallow depression beneath the backward scarp, and of low swells in front of the depression. They are regarded as abandoned channels and old meander-channel bars, respectively. Another example
openaire   +2 more sources

What can lithics tell us about hominin technology's ‘primordial soup’? An origin of stone knapping via the emulation of Mother Nature

open access: yesArchaeometry, EarlyView.
Abstract The use of stone hammers to produce sharp stone flakes—knapping—is thought to represent a significant stage in hominin technological evolution because it facilitated the exploitation of novel resources, including meat obtained from medium‐to‐large‐sized vertebrates. The invention of knapping may have occurred via an additive (i.e., cumulative)
Metin I. Eren   +23 more
wiley   +1 more source

The Response of the Rivers of NW Greece to Late Quaternary Neotectonics, as Interpreted from Detrital Petrology

open access: yesGeosciences, 2022
The modern drainage systems of the fold and thrust belt of the external Hellenide orogen of NW Greece are principally orogen-parallel. Late Quaternary changes in river courses have resulted from neotectonic deformation associated with the Katouna–Stamna ...
David J. W. Piper, Georgia Pe-Piper
doaj   +1 more source

Flood magnitude-frequency and lithologic control on bedrock river incision in post-orogenic terrain [PDF]

open access: yes, 2006
Mixed bedrock-alluvial rivers - bedrock channels lined with a discontinuous alluvial cover - are key agents in the shaping of mountain belt topography by bedrock fluvial incision.
Annandale   +111 more
core   +1 more source

Performance evaluation of three DEM‐based fluvial terrace mapping methods

open access: yesEarth Surface Processes and Landforms, 2016
AbstractThe availability of high‐resolution digital elevation models (DEMs) derived from airborne light detection and ranging (LiDAR) surveys has spurred the development of several methods to identify and map fluvial terraces. The post‐glacial landscape of the Sheepscot River watershed, Maine, where land‐use change has produced fill terraces upstream ...
Austin J Hopkins, Noah P Snyder
openaire   +2 more sources

Early Holocene jökulhlaup chronology and deglaciation dynamics in central Iceland

open access: yesBoreas, EarlyView.
Glacial lake outburst floods (jökulhlaups) have occurred throughout the Quaternary in glaciated regions worldwide. Reconstructing flood chronology yields insight into deglaciation processes, environmental change and the role of extreme events in landscape evolution.
Greta H. Wells   +4 more
wiley   +1 more source

Paleoglacial footprint and fluvial terraces of the Shaluli Shan, SE Tibetan Plateau

open access: yesJournal of Maps, 2021
This study provides mapping of glacial and fluvial geomorphology in the Shaluli Shan region on the eastern margin of the south-eastern Tibetan Plateau. Based on TanDEM-X 12 m elevation data and GoogleEarth imagery, glacial valleys, ice-marginal moraines,
R. A. A. Schneider   +4 more
doaj   +1 more source

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