نتایج جستجو برای: coastal sedimentation

تعداد نتایج: 71869  

2015
Peter I. Macreadie Timothy C. Rolph Ron Boyd Claudia J. Schröder-Adams Charles G. Skilbeck Shing Yip Lee

Carbon cycling on the east coast of Australia has the potential to be strongly affected by El Niño-Southern Oscillation (ENSO) intensification and coastal development (industrialization and urbanization). We performed paleoreconstructions of estuarine sediments from a seagrass-dominated estuary on the east coast of Australia (Tuggerah Lake, New South Wales) to test the hypothesis that millennia...

2017
Maged Marghany Shattri Mansor

Oceanography is the investigation of features found in coastal water. It extends from shallow estuaries to deep oceans, everywhere sea water can be found. This involves a broad scope of issues, beginning with the physical aspects of coastal dynamics and coastal sedimentation to the seafloor’s geology and ecosystems comprised by marine life. Consequently, the study of the ocean is always a chall...

2001
Cliff R. Hupp

Rivers of the Coastal Plain of the southeastern United States are characteristically low-gradient meandering systems that develop broad floodplains subjected to frequent and prolonged flooding. These floodplains support a relatively unique forested wetland (Bottomland Hardwoods), which have received considerable ecological study, but distinctly less hydrogeomorphic study. The hydroperiod, or an...

Hossein Negarestan, Mohammad Afarin, Mohammad Ali Hamzeh,

In the present paper various transects perpendicular to Iranian Makran coasts (Chabahar-Gawater) were studied using satellite image processing, field observations, sandy shore profiling and grain size analysis to evaluate sedimentology and geomorphology of the area. Data revealed that the study area includes exposed rocky shores (52%), sandy shores (40%), and mud flats (8%) sheltered in estuari...

Journal: :Marine pollution bulletin 2015
Amber D Stubler Alan R Duckworth Bradley J Peterson

Over the past decade, development along the northern coast of Jamaica has accelerated, resulting in elevated levels of sedimentation on adjacent reefs. To understand the effects of this development on sponge community dynamics, we conducted surveys at three locations with varying degrees of adjacent coastal development to quantify species richness, abundance and diversity at two depths (8-10 m ...

Journal: :journal of the persian gulf marine sciences 0
mohammad afarin mohammad ali hamzeh hossein negarestan iranian national institute for oceanography and atmospheric science, tehran, ir iran

in the present paper various transects perpendicular to iranian makran coasts (chabahar-gawater) were studied using satellite image processing, field observations, sandy shore profiling and grain size analysis to evaluate sedimentology and geomorphology of the area. data revealed that the study area includes exposed rocky shores (52%), sandy shores (40%), and mud flats (8%) sheltered in estuari...

Journal: :E3S web of conferences 2021

There are large areas of soft clay distributed in coastal China, which often used as raw materials for hydraulic fill engineering recent years, and its sedimentation characteristics have attracted more attention. In this paper, the influence initial water content on is studied through experiment. The results show that: (1) process can be divided into two stages: stage self weight consolidation ...

2016
Ying Pan Hao Zhang Xu Li Yonghong Xie

Sedimentation is recognized as a major factor determining the ecosystem processes of lake beaches; however, the underlying mechanisms, especially in freshwater sand dunes, have been insufficiently studied. To this end, nine belt transects from nine freshwater sand dunes, classified into low (<23.7 m), medium (25.4-26.0 m), and high-elevation groups (>28.1 m) based on their elevations in 1972, w...

2001
IAN BISHOP

The analysis of IRS 1A satellite imagery has indicated the existence of two NE SW trending sub parallel faults along which the coast is undergoing land subsidence as revealed by the concavity in the shore line, preferential migration of the river systems and the drainage congestion, absence of beach ridges, occurrence of off shore shoal etc. The study has further indicated chains of tectonicall...

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