نتایج جستجو برای: coastal erosion

تعداد نتایج: 83192  

2002
Cong Xian Li Jie Wang

The Chinese coastline is 32000 km long. The 12 coastal provinces are very important in terms of population and their contribution to the economy, and contain 41.9% and 72.5% of China’s total, respectively. There are 8 coastal vulnerable areas and most of them are related to large deltas which presently have a large sediment-supply. 70% of muddy and sandy coasts suffer from erosion, but the main...

2000
Peter Ruggiero

Coastal zone management practices, regulatory decisions, and land-use planning activities along the southwest Washington coast have historically been made with insufficient information concerning the dynamic coastal environment. This lack of information can and has resulted in a mix of costly problems, legal disputes, risks to public health and safety, damages to resources and industry, and los...

Journal: :PLANNING MALAYSIA JOURNAL 2023

The coastal area hosts significant economic activity with some of the highest property values, which government and private investors aim to maintain secure their interests. Yet, this presented a growing risk properties' value because land structural attributes are vulnerable erosion. Few empirical studies have included erosion rate besides attribute reclamation in analysing its impact on land,...

2012
Ramani Bai

Problem Statement: In general, the drinking water systems sourced from ground water (GW) contains chemicals at double the current maximum contaminant levels (MCL) of colloids. However, due to increasing demand of water, groundwater may be subjected to over-exploitation and the natural equilibrium is thus disturbed. A steady-state condition is established between seawater and freshwater in a coa...

2017
Guiping Feng Shuanggen Jin

The average global sea level was rising through the 20th century as a result of global warming [8, 9, 26]. The Fifth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC) estimated that between 1901 and 2010, the mean sea level rate 1.7±0.2 mm/yr and increased to 3.2±0.4 mm/yr between 1993 and 2010, and projected that in 2100 the largest increase in global average sea level ...

2009
Gracia F. Javier

The potentially negative consequences resulting from cliff recession are a matter of serious concern in many coastal areas worldwide. The assessment of these kind of processes has traditionally been performed by calculating average cliff recession rates and projecting them into the future, without taking into consideration the diverse factors affecting cliff dynamics and stability. In this work...

Journal: :IOP Conference Series: Earth and Environmental Science 2021

ژورنال: مهندسی دریا 2023

Coastal walls (dyke) are one of the methods of protecting the coast against coastal erosion and destructive forces of waves. The purpose of this study is to simulate the wave collision with the coastal dyke and compare the results with the laboratory model. Open FOAM open source software and K-ω SST turbulence model were used to simulate the amount of wave consumed by the coastal dyke. Taking i...

2015
Florian Holon Nicolas Mouquet Pierre Boissery Marc Bouchoucha Gwenaelle Delaruelle Anne-Sophie Tribot Julie Deter Carlo Nike Bianchi

Ecosystem services provided by oceans and seas support most human needs but are threatened by human activities. Despite existing maps illustrating human impacts on marine ecosystems, information remains either large-scale but rough and insufficient for stakeholders (1 km² grid, lack of data along the coast) or fine-scale but fragmentary and heterogeneous in methodology. The objectives of this s...

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