نتایج جستجو برای: current speed around the lagoon entrance stations p6
تعداد نتایج: 16156061 فیلتر نتایج به سال:
Introduction: Climatic components are the vital factors influencing the dust event. It was believed that changes in climate parameters play a crucial role in the occurrence of dust events. Former studies have shown that temperature, rainfall, and wind speed contribute to poor vegetation, providing requirements of dust events. Long-term dust data indicated that climate has a profound effect on d...
Siltation is a serious problem occurred in riverine harbors and estuaries. To overcome this problem and navigation control, continuous dredging is needed. To date, many approaches have been developed to reducing siltation in harbors.The objective of the current research study is to intoduce an cost effective structural method to control the siltation in riverine and tidal harbors. This method w...
After the establishment of the first quarantine station in the Republic of Ragusa (modern-day Dubrovnik) in 1377, the states and principalities of Italy developed a sophisticated system of defensive quarantine in an attempt to protect themselves from the ravages of plague. Using largely unknown and unseen historical maps, this paper reconstructs the extent and operation of the system used. It i...
An evaluation was made of the effects of dredging on the soft bottom community in the channel of the Rio Grande harbor in the Patos Lagoon estuarine region of southern Brazil. During four seasonal cruises, samples were collected from nine biological stations, one of which was located outside the dredged area. Three macrobenthic samples were collected on each cruise from each station, using a 0....
The tourism suitability index (IKW) research conducted at Semawang Beach, Sanur Village, Denpasar, aimed to determine the limiting factors, value of index, and zone utilization coastal area for recreation category. method used is observation survey in field by purposive sampling 4 station points, divided into a beach length 710 m, tourist interviews with as many 50 respondents. data include typ...
the ph.d. entrance examinations of islamic azad university in iran are administered annually to select the best applicants for ph.d. programs. in consideration of the important decisions, which are made on the basis of the results of these examinations, the present study was conducted to provide a qualitative evaluation of field-specific language subtests (flss) of four entrance examinations ad...
Warming ocean currents are considered to be a contributing factor to the retreat of marine-terminating glaciers worldwide, but direct observations near the ice–ocean interface are challenging. We use radar intensity imagery and an iceberg tracking algorithm to produce half-hourly current maps within an imaged portion of Jökulsárlón, a proglacial lagoon in southeastern Iceland. Over our 43.5-h o...
Introduction: The occurrence of dust storms in deserts or arid regions increases the suspended dust particles to more than the allowed threshold, and this has negative effects on atmospheric conditions, human health and agricultural production. Positioning of Iran in the world arid and semi-arid belt is exposed to various types of dust storm systems. Occurrence of severe dust storms in most par...
An expansion of anthropogenic activity around Lagos lagoon, Nigeria, has raised concerns over increasing contaminants entering the lagoon's ecosystem. The embryotoxicity, teratogenicity and genotoxicity of sediment organic extracts from four sampling zones around Lagos lagoon, Ilaje, Iddo, Atlas Cove and Apapa, as well as the dominant polycyclic aromatic hydrocarbons (PAHs) identified in water ...
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