نتایج جستجو برای: coastal river

تعداد نتایج: 134674  

2015
Maria Tzortziou Christina Zeri Elias Dimitriou Yan Ding Rudolf Jaffé Emmanouil Anagnostou Elli Pitta Angeliki Mentzafou

Most transboundary rivers and their wetlands are subject to considerable anthropogenic pressures associated with multiple and often conflicting uses. In the Eastern Mediterranean such systems are also particularly vulnerable to climate change, posing additional challenges for integrated water resources management. Comprehensive measurements of the optical signature of colored dissolved organic ...

2009
Joseph Salisbury Douglas Vandemark Christopher Hunt Janet Campbell Bror Jonsson Amala Mahadevan Wade McGillis Huijie Xue

Anomalously high precipitation and river discharge during the spring of 2005 caused considerable freshening and depletion of dissolved inorganic carbon (DIC) in surface waters along the coastal Gulf of Maine. Surface pCO2 and total alkalinity (TA) were monitored by repeated underway sampling of a crossshelf transect in the western Gulf of Maine (GOM) during 2004–05 to examine how riverine fluxe...

2018
Priscila Camelier Naércio Aquino Menezes Guilherme José Costa-Silva Claudio Oliveira

The current distribution of freshwater fishes across multiple basins along Eastern Brazil can be associated to two main events: river captures or temporary paleoconnections. Apparently, river captures had a more significant role on distribution and structuring of species from upland areas, such as Glandulocauda melanopleura. Populations of this species are found in contiguous drainages in prese...

2015
Matthew W. Hughes

Airborne light detection and ranging (LiDAR) data were acquired over the coastal city of Christchurch, New Zealand, prior to and throughout the 2010 to 2011 Canterbury Earthquake Sequence. Differencing of preand post-earthquake LiDAR data reveals land surface and waterway deformation due to seismic shaking and tectonic displacements above blind faults. Shaking caused floodplain subsidence in ex...

2014
Xiao Xu Wei Zhao Ming Xiao Jingxin Huang Changming Fang Bo Li Ming Nie

1 College of Life and Environment Science, Shanghai Normal University, Shanghai, China 2 Coastal Ecosystems Research Station of Yangtze River Estuary, Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, Institute of Biodiversity Science, Fudan University, Shanghai, China 3 Centre for Watershed Ecology, Institute of Life Science, Nanchang University, Nanchan...

2016
Gregg A. Snedden Jun Xu

Estuarine navigation channels have long been recognized as conduits for saltwater intrusion into coastal wetlands. Salt flux decomposition and time series measurements of velocity and salinity were used to examine salt flux components and drivers of baroclinic and barotropic exchange in the Houma Navigation Channel, an estuarine channel located in the Mississippi River delta plain that receives...

Journal: :Mathematics and Computers in Simulation 2008
Frédérik Thiery Stéphane Grieu Adama Traoré Mathieu Barreau Monique Polit

This paper presents a study done on the catchment area of the Têt, main river of the PyrénéesOrientales (P-O, south of France). As much of other Mediterranean coastal rivers, the hydrological system of the Têt river presents lowest water level long periods, intercepted by violent and devastating short rising period, essentially due to rain. This contrasted system, is precisely one of the main r...

2010
Derek Allen Fong W. Rockwell Geyer Karl R. Helfrich

A plume often results when a river discharges fresh water into the nearshore waters. This thesis combines both hydrographic data and idealized numerical simulations to examine how ambient currents and winds influence the transport and mixing of plume waters. The alongshore transport of freshwater is studied using a numerical model. In the absence of ambient currents, the downstream coastal curr...

2008
Carol A. Johnston Barbara L. Bedford Michael Bourdaghs Terry Brown Christin Frieswyk Mirela Tulbure Lynn Vaccaro Joy B. Zedler

Plant taxa identified in 90 U.S. Great Lakes coastal emergent wetlands were evaluated as indicators of physical environment. Canonical correspondence analysis using the 40 most common taxa showed that water depth and tussock height explained the greatest amount of species-environment interaction among ten environmental factors measured as continuous variables (water depth, tussock height, latit...

Journal: :Remote Sensing 2016
Luigi Tosi Cristina Da Lio Tazio Strozzi Pietro Teatini

From leveling to SAR-based interferometry, the monitoring of land subsidence in coastal transitional environments significantly improved. However, the simultaneous assessment of the ground movements in these peculiar environments is still challenging. This is due to the presence of relatively small built-up zones and infrastructures, e.g., coastal infrastructures, bridges, and river embankments...

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