Results 61 to 70 of about 13,838 (229)

Geospatial technology based evaluation of recent morphodynamic changes and flow patterns in the upper Jhelum River

open access: yesRiver, EarlyView.
Abstract This study was conducted to address the concerns over the changes in river morphology and their implications for sustainable river management. It investigates the morphological dynamics of the Upper Jhelum River between 2018 and 2023, using high‐resolution Sentinel‐2 imagery and advanced geospatial techniques to capture subtle yet significant ...
Sumaira Javaid   +4 more
wiley   +1 more source

Responses of Stream Geomorphic Indices to Piedmont Fault Activity in the Northern Segment of the Red River Fault Zone

open access: yesRemote Sensing, 2023
Based on a digital elevation model (DEM) and GIS technology, we extracted and analyzed stream geomorphic indices—such as the slope, relief degree of the land surface (RDLS), hypsometric integral (HI) and channel steepness index (ksn)—of the Cangshan ...
Long Guo, Zhongtai He, Linlin Li
doaj   +1 more source

Geomorphic Evidence of Postglacial Terrestrial Environments on Atlantic Canadian Continental Shelves [PDF]

open access: yes, 2005
Changes in the geography of Atlantic Canada since the last glacial maximum (LGM) are grouped into three phases. The first phase (LGM – ca. 13 ka BP) commences with glaciers at the edge of the continental shelves, and ends with the glaciers having ...
Shaw, John
core   +1 more source

Isolation, Insularity and Resilience: A Review of the Geophysical, Socioeconomic, and Environmental Vulnerabilities of Gran Canaria and Lesvos Islands for Policy Interventions to Global Change

open access: yesSustainable Development, EarlyView.
ABSTRACT The dynamic nature of small islands being geographically isolated and their perceived connectedness with global networks complicates research attempts to draw general conclusions on whether insularity leads to marginalization or strengthens their resilience for sustainable development.
Toheeb Lekan Jolaosho   +2 more
wiley   +1 more source

Comparative geospatial and statistical analysis of DEM-derived geomorphic indices from multiple datasets for assessing relative active tectonics

open access: yesGeomatics, Natural Hazards & Risk
Tectonic activity plays a vital role in achieving sustainable land management and hazard mitigation in seismically active regions. This study evaluates geomorphic indices derived from four digital elevation models (DEMs), including SRTM, Copernicus, FAB,
Ahmed Gad   +4 more
doaj   +1 more source

Automated, objective texture segmentation of multibeam echosounder data - Seafloor survey and substrate maps from James Island to Ozette Lake, Washington Outer Coast [PDF]

open access: yes, 2007
Without knowledge of basic seafloor characteristics, the ability to address any number of critical marine and/or coastal management issues is diminished. For example, management and conservation of essential fish habitat (EFH), a requirement mandated by
Beaudoin, Jonathan D.   +2 more
core  

Incipient ferralization and weathering indices along a soil chronosequence in Taiwan [PDF]

open access: yes, 2016
The low hilly topography of Green Island, a volcanic island off southeastern Taiwan, includes an altitudinal sequence of sub-horizontal benches. We examined eight profiles along this sequence, ranging from pale brown loamy coral sand on the lowest bench ...
Baillie, Ian C.   +4 more
core   +1 more source

Relative tectonic activity assessment of the Çameli Basin, Western Anatolia, using geomorphic indices [PDF]

open access: yesGeodinamica Acta, 2016
Western Anatolia is one of the world’s most seismically active regions. A nearly N–S-oriented extension caused the formation of E–W- and NE–SW-trending major grabens, creating the potential for earthquakes with magnitudes ≥ 5. The fault segments of the NE-trending Cameli Basin were evaluated using geomorphic indices, common tools for assessment of ...
openaire   +2 more sources

Late‐Holocene evolution of a small Sub‐Arctic glacier, Gljúfurárjökull (Tröllaskagi, northern Iceland)

open access: yesBoreas, EarlyView.
Gljúfurárjökull, located on the Tröllaskagi Peninsula in northern Iceland, is a small glacier approximately 3.8 km in length. This study analyses the glacier's evolution through a combination of methods including: (i) geomorphological mapping, (ii) Cosmic‐Ray Exposure (CRE) dating, (iii) lichenometry and (iv) palaeoglacier reconstruction (volume ...
Nuria Andrés   +14 more
wiley   +1 more source

Mesoscale mapping of sediment source hotspots for dam sediment management in data-sparse semi-arid catchments [PDF]

open access: yes, 2020
Land degradation and water availability in semi-arid regions are interdependent challenges for management that are influenced by climatic and anthropogenic changes.
Gholami, Faraz Rabei   +5 more
core   +1 more source

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