نتایج جستجو برای: seawalls

تعداد نتایج: 193  

Journal: :Proceedings of The Royal Society B: Biological Sciences 2021

From microbes to humans, habitat structural complexity plays a direct role in the provision of physical living space, and increased supports higher biodiversity ecosystem functioning across biomes. Coastal development construction artificial shorelines are altering natural landscapes as humans seek socio-economic benefits protection from coastal storms, flooding erosion. In this study, we evalu...

Journal: :Frontiers in Marine Science 2022

The increased risk of coastal flooding associated with climate-change driven sea level rise threatens to displace communities and cause substantial damage infrastructure. Site-specific adaptation planning is necessary mitigate the negative impacts on residents built environment. Cost-benefit analyses used evaluate adaption strategies have traditionally focused economic considerations, often ove...

Journal: :Remote Sensing 2018
Josep Pardo-Pascual Elena Sánchez-García Jaime Almonacid-Caballer Jesús Palomar-Vázquez Enrique Priego de los Santos Alfonso Fernández-Sarría A. Balaguer-Beser

This paper evaluates the accuracy of shoreline positions obtained from the infrared (IR) bands of Landsat 7, Landsat 8, and Sentinel-2 imagery on natural beaches. A workflow for sub-pixel shoreline extraction, already tested on seawalls, is used. The present work analyzes the behavior of that workflow and resultant shorelines on a micro-tidal (<20 cm) sandy beach and makes a comparison with oth...

2012
Beth M. VanDusen Stephen R. Fegley Charles H. Peterson

Worldwide declines in shorebird populations, driven largely by habitat loss and degradation, motivate environmental managers to preserve and restore the critical coastal habitats on which these birds depend. Effective habitat management requires an understanding of the factors that determine habitat use and value to shorebirds, extending from individuals to the entire community. While investiga...

2015
Loke Ming Chou Kok Ben Toh Chin Soon Lionel Ng

Most of Singapore’s coastline has been modified by coastal development with variable influences on marine biodiversity. Marinas are typically designed as a semienclosed environment with a complex mix of structures that provide ecological niches throughout the water body. Water flow is inevitably reduced with a possible decline of water quality. This investigation was conducted to determine how ...

Journal: :Arabian journal for science and engineering 2022

Abstract Egypt is facing several hazardous environmental phenomena, particularly Sea Level Rise (SLR) and land subsidence. It has been considered to be one of the countries most likely affected by SLR because low elevation Nile Delta region’s northern coastal zone, like all world Deltas. For that, a GIS inundation model generated using an original high accuracy local digital for region, (LDEM) ...

Journal: :Frontiers in Marine Science 2022

In the face of modern challenges, analyzing sea turtle nesting trends is critical to better understand impacts these vulnerable species. The introduction hard-armoring structures (e.g., seawalls, rock revetments) on beaches poses a threat leatherback ( Dermochelys coriacea ), loggerhead Caretta caretta and green Chelonia mydas ) turtles due habitat loss interactions with physical structure. Des...

Journal: :IOP conference series 2022

Abstract Recent climate change studies highlight that the sea-level rise and increase in intensity frequency of extreme climatic events storm surges will result catastrophic wave overtopping from coastal defences. Retrofitting existing seawalls provides great potentials for enhancement resilience region through attenuation. With increasing attention towards sustainable low emission solutions im...

Journal: :Frontiers in Ecology and Evolution 2021

Increasing human population, urbanisation, and climate change have resulted in the proliferation of hard coastal infrastructure such as seawalls breakwaters. There is increasing impetus to create multifunctional defence structures with primary function protecting people property addition providing habitat for marine organisms through eco-engineering - a nature-based solutions approach. In this ...

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