Results 81 to 90 of about 26,445 (281)

Computation, validation and sensitivity of the DTM-derived geomorphic parameters.The case of Stream-Length Gradient Index

open access: yes, 2012
Quantitative geomorphic analysis from DTMs has become a common procedure for creating and analysing geo- thematic maps. Nevertheless, it is often neglected that the accuracy of interpretations generally depends on the accuracy of the DTMs itself (i.e. both the ground resolution and interpolation method).
DELLA SETA, Marta   +3 more
openaire   +2 more sources

Coastal evolution, environmental change and carbon storage in the Thung Prong Thong Mangrove, eastern Gulf of Thailand

open access: yesBoreas, EarlyView.
Palaeoenvironmental records along the eastern coast of Thailand remain sparse, with only a few studies attempting to reconstruct past climatic and environmental conditions. However, additional palaeoenvironmental, palaeoclimatic and sea‐level records are needed to improve our understanding of coastal evolution and local environmental changes.
Sakonvan Chawchai   +7 more
wiley   +1 more source

Characteristics and Tectonic Implications of the Geomorphic Indices of the Watersheds Around the Lijiang–Jinpingshan Fault

open access: yesRemote Sensing
The Lijiang–Jinpingshan fault (LJF) is an important secondary boundary fault that obliquely cuts the Sichuan–Yunnan rhombic block. It is of great significance for understanding the tectonic evolution of the Sichuan–Yunnan rhombic block and even the ...
Yongqi Chen   +5 more
doaj   +1 more source

Short communication: Multiscale topographic complexity analysis with pyTopoComplexity [PDF]

open access: yesEarth Surface Dynamics
pyTopoComplexity is a Python package designed for efficient and customizable quantification of topographic complexity using four advanced methods: two-dimensional continuous wavelet transform analysis, fractal dimension estimation, rugosity index, and ...
L. S.-H. Lai   +5 more
doaj   +1 more source

Cultural formalism and spatial language in Belhara [PDF]

open access: yes, 2010
When looking at ethnographies of Himalayan societies, one is impressed by the recurrent relevance and importance of spatial notions in cullural domains from shamanism to architecture, from belief systems to everyday behaviour, from religion to ...
Bickel, Balthasar
core  

Morphology and distribution of lakes under the Laurentide Ice Sheet: implications for ice flow dynamics

open access: yesBoreas, EarlyView.
This study examines the distribution and morphology of lakes under the Laurentide Ice Sheet (LIS) to investigate relationships with ice flow velocity, bedrock and basal thermal regime. Palaeo‐ice streams and lobes were important components of the LIS, and properties of lakes in those regions are quantified at high resolution.
Sarah M. Principato, Carissa M. Mobley
wiley   +1 more source

The sensitivity of landscape evolution models to spatial and temporal rainfall resolution [PDF]

open access: yes, 2016
© Author(s) 2016. Climate is one of the main drivers for landscape evolution models (LEMs), yet its representation is often basic with values averaged over long time periods and frequently lumped to the same value for the whole basin. Clearly, this hides
Coulthard, Tom J.   +1 more
core   +2 more sources

Modified geomorphic flood index (GFI) using land use parameter and effective rainfall ratio at Cikapundung River

open access: yesE3S Web of Conferences
To determine the flood inundation area requires hydrological data and measurements of river cross sections. Those data are very limited and expensive. The Geomorphic Flood Index (GFI) can be used to identify the initial potential for inundation of an area.
Ferdiansyah Asep   +8 more
openaire   +2 more sources

Unravelling the evolution of the Frébouge polygenetic cone in Val Ferret (Mont Blanc Massif)

open access: yesBoreas, EarlyView.
Proglacial settings in the Alps are typically polygenetic, often characterized by a complex and discontinuous interplay between glacial, fluvial and gravitational processes. These processes yield high volumes of sediments, which usually exceed their transportation capacity.
Catharina Dieleman   +6 more
wiley   +1 more source

Investigation of the relationships between basin morphology, tectonic uplift, and denudation from the study of an active fold belt in the Siwalik Hills, central Nepal [PDF]

open access: yes, 1999
The present study investigates correlations between an extensive range of geomorphic properties that can be estimated from a digital elevation model and the uplift rate on geological timescales.
Avouac, J.-P.   +3 more
core  

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