نتایج جستجو برای: sea water intrusion
تعداد نتایج: 676582 فیلتر نتایج به سال:
Owing to population growth and water demand, coastal aquifers all over the world are over–pumped, resulting in serious problems such as saltwater intrusion. So, in these conditions, assessing the groundwater system’s vulnerability and finding areas with saltwater intrusion potential are vital for the better management of aquifers. In this study, AHP-GALDIT was applied to saltwater intrusion vul...
[1] We examine the formation mechanism of the South China Sea Warm Current in winter, using a high-resolution, numerical model. The current, noted for its ability to flow against the prevailing northeast monsoon in winter, has received considerable attentions in recent years. The collective wisdom from previous models points to two likely generation scenarios: occasional wind relaxation or the ...
Based on a fully coupled, high-resolution regional climate model, this study analyzed three-dimensional temperature and momentum changes in the South China Sea (SCS) from 1970 to 2000, during which period the climate shifts from a decadal La Ni~ na-like condition (before 1976/1977) to a decadal El Ni~ no-like condition afterward. With a set of partially coupled experiments, sea surface temperat...
The North Pacific Tropical Water (NPTW), characterized by subsurface high salinity, is observed in the South China Sea (SCS) and is often used as an indicator of the water intrusion from the northwestern Pacific into the SCS. Based on the assimilation product from a global high-resolution Hybrid Coordinate Ocean Model (HYCOM) from 2008 through 2013, this study investigates the seasonal variabil...
Saltwater intrusion (SWI) is a widespread environmental problem that poses threat to coastal aquifers. To address this issue, research employs both numerical and experimental methods study saltwater under the impact of sea level rise varying freshwater boundary conditions in two homogeneous The compares transient groundwater heads salt concentrations results receding-front advancing front condi...
Global climate change and concomitant rising sea level will have a profound impact on Florida’s coastal and marine systems. Sea-level rise will increase erosion of beaches, cause saltwater intrusion into water supplies, inundate coastal marshes and other important habitats, and make coastal property more vulnerable to erosion and flooding. Yet most coastal areas are currently managed under the ...
Nitrogen (N) removal from estuaries is driven in part by sedimentary microbial processes. The processes of denitrification and anaerobic ammonium oxidation (anammox) remove N from estuaries by producing di-nitrogen gas, and each can be coupled to N recycling pathways such as nitrification and dissimilatory nitrate reduction to ammonium (DNRA). Environmental conditions in estuaries influence sed...
The comparison of modern hydrophysical conditions in the Black Sea with previously analyzed period 1903—1982 was carried out based on materials recently created (1991—2020) climate array average monthly thermohaline characteristics waters. dynamic processes upper 150-meter layer (halocline) evaluated analysis climatic vertical distribution depth maximum water salinity gradient, which is interpr...
Background and purpose: North cities in the southern Caspian Sea, especially Mazandaran and swimming beache is constantly exposed to microbial contamination that can be dangerous for swimmers and tourists health. The present study aimed to evaluate the microbial contamination of swimming water in the Caspian shores of Mazandaran province. Materials and methods: For reviewing the microbiologica...
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