Showing papers in "Geomorphology in 2021"

TL;DR: In this article, the authors outline currently observed and interpreted surface activity occurring within the modern Mars environment, and tie this activity to wind, seasonal surface CO2 frost/ice, sublimation of subsurface water ice, and/or gravity drivers.

TL;DR: In this article, the authors present an overview of current applications of UAV-SfM in studies of modern and past glacial environments that include mostly geomorphological mapping and change-detection analysis.

TL;DR: In this paper, a decade of bi-monthly topographic surveys at the high-energy meso-macrotidal beach of Truc Vert, southwest France, and concurrent wave and water-level hindcast was used to investigate the uncertainties associated with satellite-derived time series of the shoreline position.

TL;DR: In this article, a hybrid model (Geo-RFE-RF) for Landslide Susceptibility Mapping (LSM) predicated on GeoDetector and Random Forest (RF) using the Recursive Feature Elimination (RFE) method for eliminating redundant and noise factors.

TL;DR: In this article, the authors carried out a series of wind tunnel experiments testing how the morphology, density, and configuration of three foredune pioneer dune building plant species influence the most basic stage of dune initiation.

TL;DR: In this paper, a 2.5 km-long sedimentary coastal cliff by waves and rainfall was explored with three years of weekly observations, and cliff base wave impact heights were estimated with a wave model and empirical runup formula, and validated with cliff base observations.

TL;DR: In this article, the authors investigated the impact of human interventions on the short term evolution of coastal dunes at a scale of several decades using ground penetrating radar (GPR), topographic data, aerial photographs and historical maps.

TL;DR: In this article, the authors assess the future GLOF hazard of the South Lhonak Lake by integrating glacier and hydrodynamic modeling to calculate the lake's future volume and hydraulic GLOF characteristics and impacts along the valley.

TL;DR: Wang et al. as mentioned in this paper constructed a global model for rapidly assessing earthquake-induced landslide susceptibility based on the random forest (RF) algorithm using globally available data, which exhibited strong spatial generalizability and robustness, with an AUC exceeding 0.8 for each landslide inventory.

TL;DR: In this article, the Holocene history of wetlands dynamics in the boreal limits of the American mangroves, located at Bay Champagne, Louisiana (USA), by integrating sedimentological, palynological, geochemical (δ13C and C\N), X-ray fluorescence (XRF) data, and radiocarbon chronology from two sediment cores.

TL;DR: In this paper, the authors explored the relationship between the fault zone and the spatial distribution, direction of movement, and geomorphic characteristics of large landslides in the Bailong River Basin in the northeastern margin of the Qinghai-Tibet Plateau.

TL;DR: In this paper, the authors present a modified classification of agricultural terraces, review the theoretical background of both terraces and lynchets, and show how new techniques are transforming the study of these widespread and often ancient anthropogenic landforms.

TL;DR: In this article, the authors analyzed the geomorphic changes in 15 dune-fringed coastlines of Asturias (NW Spain) for the period 1992 to 2014 to determine specific drivers of erosion.

TL;DR: In this article, the authors used a physically-based model for the flow propagation and an empirical multi-phase model for entrainment processes to simulate the debris-flow generation starting from water component and then simulating the motion of the bulked solid-fluid mixture mass flow.

TL;DR: In this article, the morphological processes of the Yangtze mouth bar and prodelta based on bathymetric data on a decadal-interannual scale (1958, 1978, 1997, 2002, 2007, 2010, 2013 and 2015) were investigated.

TL;DR: In this paper, a review summarizes the current knowledge on the main geomorphological processes for Alpine grassland erosion, namely shallow landslides and abrasion by snow movements as well as combinations of both processes.

TL;DR: The 2018 MW 7.5 Palu-Donggala, Indonesia earthquake initiated a series of catastrophic flowslides that claimed the lives of several thousand people, making it the deadliest natural disaster of 2018 as mentioned in this paper.

TL;DR: In this paper, the effect of using landslide inventories assembled from a) manual versus semi-automated mapping and b) event versus multi-temporal records on the performance of two widely applied methods for landslide susceptibility modelling, namely logistic regression and random forest classification, was compared.

TL;DR: In this paper, the authors focused experimentally on landslide-induced stony debris flows as a particular type of flow-like mass movement and observed different natural flow types for varying initial and boundary conditions.

TL;DR: In this paper, the Hillary Canyon was analyzed to understand how dense shelf water and other continental slope processes influence submarine canyon morphology by analysing newly collected geophysical and oceanographic data from a region of significant and prolonged dense shelf waters export, the Hillary canyon in the Ross Sea.

TL;DR: In this article, the authors analyzed the spatial distribution, characteristics and evolution of sinkholes within the broad Plio-Quaternary geomorphological and paleohydrological evolution of the epigene karst system dominated by autogenic recharge.

TL;DR: Wang et al. as discussed by the authors examined the accuracy and limits of Structure from Motion (SfM) photogrammetry in quantifying rill and interrill erosion occurring in a typical loess during consecutive rainfall simulations.

TL;DR: In this article, the authors investigated the sedimentology and internal structure of murtoos at four localities in southern Sweden to better understand murtoo genesis, and suggested that the subglacial environment is within a distributed system where the bed receives meltwater from repeated influxes of supraglacially derived meltwater.

TL;DR: In this article, the authors mapped different types of subglacial meltwater routes and the related distribution of murtoos in the Finnish part of Fennoscandian Ice Sheet (FIS).

TL;DR: In this paper, the authors analyzed the Yangtze Estuary morphodynamic variations using high-resolution DEM data from bathymetric surveys conducted every two years from 2007 to 2019; sediment budgetary balance in the estuary has been updated accordingly with mean annual depositional/erosional sediment amounts.

TL;DR: Zhang et al. as mentioned in this paper examined the spatiotemporal distribution of successive landslides and their evolution characteristics in a typical loess tableland, Gansu Province, China.

TL;DR: In this paper, the authors used data collected through field measurements at 110 gully heads in ten sites of the Rarh plain, to first assess the applicability of various methods used to construct critical topographic threshold lines, and secondly, to characterise topographical threshold conditions of the permanent gullies in the RARh plain as well as to identify main factors that promoted gully initiation in this region.

TL;DR: In this article, the authors explore potential answers to this question in terms of role, barriers, motivation and prospects for river management in the Anthropocene era, and propose three principles for living with rivers, considering geomorphology one of the key factors.

TL;DR: This article developed a cognitive approach (Describe-Explain-predict) to interpret landscapes, in a multiple lines of evidence approach, in which explanation builds upon meaningful description, thereby supporting reliable predictions.

TL;DR: In this article, the surface dynamics of a small, retrogressive, slow-moving (cm-dm/a) earth slide-earth flow system in the Flysch Zone of Lower Austria via multi-temporal, high-resolution terrestrial laser scanning (TLS) data was investigated to determine and delineate (recently active) process areas, and to assess the applicability of TLS regarding vegetation cover and to evaluate the added value of this comparative approach when it comes to interpreting landslide dynamics on such detailed scale.