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Articoli di riviste sul tema "Seawater"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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1

Kim, Choong-Gon, Jae Choi, Sae-Kwang Ku, and Chang-Hyun Song. "Immunostimulatory Effects of Korean Mineral-Rich Seawaters on Cyclophosphamide-Induced Immunosuppression in Mice." Marine Drugs 22, no. 6 (2024): 234. http://dx.doi.org/10.3390/md22060234.

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Deep seawater (DS), obtained from a depth over 200 m, has health benefits due to its rich nutrients and minerals, and intake of DS has shown diverse immunomodulatory effects in allergies and cancer. Therefore, the immunostimulatory effects of Korean mineral-rich seawaters were examined in a cyclophosphamide (CPA)-induced immunosuppression model. Three samples of Korean seawater, namely DS from the East Sea off the coasts of Pohang (PDS) and Uljin (UDS), and seawater from the West Sea off the coast of Boryeong (BS), were collected. The seawaters were abundant in several minerals (calcium, iron,

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2

Zhang, Bao Feng, Zhen Hai Liu, and Xiao Ma. "A Method of Seawater Sound Velocity Measurement Based on the Transit-Time." Advanced Materials Research 816-817 (September 2013): 439–42. http://dx.doi.org/10.4028/www.scientific.net/amr.816-817.439.

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In the prospects of maritime development, the accuracy requirements of the marine sonar equipment also getting higher and higher, it is particularly important to measure the sound velocity in seawaters(ultrasound propagation velocity in seawater) in high-precision, in this experiment, basing on the seawater sound velocity variation influencing factors, proposing a method of average measuring the sound velocity of seawater based on STM32 and TDC-GP21 transit-time, The results of the experiment show that this method can be high-precision measurement of the size of the seawater sonic，meet the sea

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3

Jiang, Nuan, Dailin Li, and Dayuan Gao. "Seawater Density Measurement Technology Based on Oblique Incidence Reflectivity Difference." Journal of Physics: Conference Series 3007, no. 1 (2025): 012031. https://doi.org/10.1088/1742-6596/3007/1/012031.

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Abstract Seawater density has an important influence on marine physical environment. The Oblique Incidence Reflectivity Difference (OIRD) method detects seawater’s dielectric constant and other properties by measuring the difference in the two polarization components of reflected light, enabling high-precision real-time measurement of seawater density. Numerical simulations were conducted to study the effects of seawater temperature and depth on dielectric constant and density. Measurements of the dielectric constant of seawater at different temperatures allowed the determination of seawater d

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4

Živković, Igor, Jan Gačnik, Slaven Jozić, Jože Kotnik, Mladen Šolić, and Milena Horvat. "A Simplified Approach to Modeling the Dispersion of Mercury from Precipitation to Surface Waters—The Bay of Kaštela Case Study." Journal of Marine Science and Engineering 10, no. 4 (2022): 539. http://dx.doi.org/10.3390/jmse10040539.

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Wet deposition is the main source of mercury (Hg) from the atmosphere to the Earth’s surface. However, the processes that govern the dispersion of deposited Hg in seawater are currently not well understood. To address this issue, total mercury (THg) concentrations in surface seawaters and precipitation were determined on a monthly basis in the Bay of Kaštela (Central Adriatic Sea). Following the assumption that deposited THg is diluted in the seawater bulk due to mixing processes, an exponential decay-like model was developed and the wet deposition of THg was normalized based on periods betwee

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5

Zeynolabedin, Amin, Reza Ghiassi, and Moharam Dolatshahi Pirooz. "Investigating island groundwater salinity, using vulnerability index and numerical methods." Water Supply 20, no. 7 (2020): 2804–14. http://dx.doi.org/10.2166/ws.2020.180.

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Abstract Seawater intrusion is one of the major issues in Qeshm Island, which is the biggest island of the Persian Gulf. To investigate seawater intrusion in this island, a modified GALDIT index is used to map the vulnerability of the whole region. Considering the vulnerability map, two critical sections which have the highest vulnerability, one in the northeast and the other in the west side of the island, are chosen for detailed investigation. To achieve this goal, two numerical models, MODFLOW and SEAWAT are applied to simulate the groundwater flow and solute transport. The results show tha

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6

Ding, Fei, Takao Yamashita, and Han Soo Lee. "Atmosphere-Ocean-Groundwater Modeling System for Seawater Intrusion Simulation in Liaodong Bay Coastal Plain, China." Advanced Materials Research 518-523 (May 2012): 4155–60. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.4155.

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Precipitation and seawater level are the two important factors to be considered in seawater intrusion simulation. However, these data are lacking in some regions of the world. Thus, limits the study on seawater intrusion. Considering the lack of availability of data on precipitation and seawater level, an atmosphere–ocean-groundwater modeling system was constructed in this paper. In the modeling system, the atmosphere model (MM5) and the ocean model (POM) is used to simulate the precipitation and seawater level, respectively while the SEAWAT model is used for groundwater model simulation. The

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7

Hastuti, Yuni Puji, Yuli Siti Fatma, Hardi Pitoyo, Yusli Wardiatno, and Siska Tridesianti. "Bacterial and plankton communities in mariculture water sources: a case study in Nampu and Sembukan seawaters, Wonogiri, Indonesia." Natura Croatica 30, no. 2 (2021): 351–66. http://dx.doi.org/10.20302/nc.2021.30.22.

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Seawaters in Indonesia, part of the tropical marine ecosystem, have great microbial and plankton diversity. Seawater is used as a water source for marine aquacultures, such as shrimp, milkfish, lobster, and mud crab. Sustainability of environmental resources for supporting aquaculture activities can be assessed by analyzing the actual conditions of the water source environment, including bacterial and plankton communities. However, the characteristics of bacteria and plankton communities in Indonesian seawaters have not been well documented. In this study, we investigated the bacterial and pla

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8

Nasser, Abid M., Lital Telser, and Yeshayahu Nitzan. "Effect of sunlight on the infectivity ofCryptosporidium parvumin seawater." Canadian Journal of Microbiology 53, no. 9 (2007): 1101–5. http://dx.doi.org/10.1139/w07-043.

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The prevalence of pathogenic microorganisms in seawater can result in waterborne and food borne outbreaks. This study was performed to determine the effect of sunlight and salinity on the die-off of Cryptosporidium parvum . Cryptosporidium parvum oocysts, Escherichia coli , and MS2 coliphage were seeded into tap water and seawater samples and then exposed to sunlight. The die-off of C. parvum in seawater, as measured by infectivity, was greater under sunlight (–3.08 log10) than under dark conditions (–1.31 log10). While, no significant difference was recorded in the die-off of C. parvum, under

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9

Ries, J. B. "Review: geological and experimental evidence for secular variation in seawater Mg/Ca (calcite-aragonite seas) and its effects on marine biological calcification." Biogeosciences 7, no. 9 (2010): 2795–849. http://dx.doi.org/10.5194/bg-7-2795-2010.

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Abstract. Synchronized transitions in the polymorph mineralogy of the major reef-building and sediment-producing calcareous marine organisms and abiotic CaCO3 precipitates (ooids, marine cements) throughout Phanerozoic time are believed to have been caused by tectonically induced variations in the Mg/Ca ratio of seawater (molar Mg/Ca>2="aragonite seas", <2="calcite seas"). Here, I assess the geological evidence in support of secular variation in seawater Mg/Ca and its effects on marine calcifiers, and review a series of recent experiments that investigate the effects of seawater Mg/Ca (1

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10

Ziervogel, K., A. D. Steen, and C. Arnosti. "Changes in the spectrum and rates of extracellular enzyme activities in seawater following aggregate formation." Biogeosciences 7, no. 3 (2010): 1007–15. http://dx.doi.org/10.5194/bg-7-1007-2010.

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Abstract. Marine snow aggregates are heavily colonized by heterotrophic microorganisms that express high levels of hydrolytic activities, making aggregates hotspots for carbon remineralization in the ocean. To assess how aggregate formation influences the ability of seawater microbial communities to access organic carbon, we compared hydrolysis rates of six polysaccharides in coastal seawater after aggregates had been formed (via incubation on a roller table) with hydrolysis rates in seawater from the same site that had not incubated on a roller table (referred to as whole seawater). Hydrolysi

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11

Ahn, Yu-Hwan. "Development of an Inverse Model from Ocean Reflectance." Marine Technology Society Journal 33, no. 1 (1999): 69–80. http://dx.doi.org/10.4031/mtsj.33.1.9.

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An inverse ocean color model with three components—chlorophyll, suspended sediment and dissolved organic matter—is developed to extract the constituents of seawater from the surface reflectance (400‐700 nm) in oligotrophic, eutrophic and turbid waters. Ocean reflectance obtained from just beneath the sea surface by a spectral radiometer (with 61 bands) is associated with four specific absorption and backscattering coefficients of seawater constituents, including heterotrophic organisms and seawater itself. Although many semi-analytical methods have been used before, this is the first time to a

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12

Pawlowicz, R., D. G. Wright, and F. J. Millero. "The effects of biogeochemical processes on oceanic conductivity/salinity/density relationships and the characterization of real seawater." Ocean Science 7, no. 3 (2011): 363–87. http://dx.doi.org/10.5194/os-7-363-2011.

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Abstract. As seawater circulates through the global ocean, its relative composition undergoes small variations. This results in changes to the conductivity/salinity/density relationship, which is currently well-defined only for Standard Seawater obtained from a particular area in the North Atlantic. These changes are investigated here by analysis of laboratory experiments in which salts are added to seawater, by analysis of oceanic observations of density and composition anomalies, and by mathematical investigation using a model relating composition, conductivity, and density of arbitrary seaw

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13

Abd-Elhamid, Hany F. "Investigation and control of seawater intrusion in the Eastern Nile Delta aquifer considering climate change." Water Supply 17, no. 2 (2016): 311–23. http://dx.doi.org/10.2166/ws.2016.129.

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Seawater intrusion is considered one of the main processes that degrade water quality by raising salinity. Over-pumping and decreasing recharge are considered the main causes of saltwater intrusion. Moreover, climate change and sea-level rise accelerate saltwater intrusion. In this paper SEAWAT code was used to study groundwater flow and seawater intrusion in the Eastern Nile Delta aquifer considering four scenarios of climate change including sea-level rise, increasing abstraction, decreasing recharge and the combination of these scenarios. The results showed that decreasing recharge has a si

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14

Callahan, Kathleen M., Douglas J. Taylor, and Mark D. Sobsey. "Comparative survival of hepatitis A virus, poliovirus and indicator viruses in geographically diverse seawaters." Water Science and Technology 31, no. 5-6 (1995): 189–93. http://dx.doi.org/10.2166/wst.1995.0599.

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The presence and persistence of enteric viruses in sewage contaminated seawater is an important public health concern for bathing, surfing and shellfishing. In an effort to find suitable indicators of enteric viruses in seawater, we compared the survival of two groups of enteric bacteriophages, F-specific coliphages (FRNA phages) and somatic Salmonella bacteriophages (SS phages), to the survival of two human enteric viruses, hepatitis A virus (HAV) and poliovirus type 1 (PV-1), in coastal seawater from three geographic areas (So. California, Hawaii, and North Carolina) at 20°C. Concentrations

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15

Wardhani, Maulinna Kusumo, and Dyah Ayu Sulistiyorini. "Assessment of the Quality of Raw Water for Salt Production in Pangarengan, Sampang, East Java." IOP Conference Series: Earth and Environmental Science 1298, no. 1 (2024): 012026. http://dx.doi.org/10.1088/1755-1315/1298/1/012026.

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Abstract Seawater is the primary raw material for the production of sea salt. Seawater quality dramatically affects to salt production. The purpose of this study was to evaluate the seawater’s quality as a raw material for salt production in Pangarengan, Sampang, East Java, Indonesia. The assessment of water quality in this study includes physical and chemical characteristics. The location of this research was in the salt fields that close to settlements with high anthropogenic activity. Sampling points were the seawater inlet (P1), reservoir plot/bozem (P2), and evaporation plot (P3). Assessm

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16

Eliezer, A., J. Haddad, A. Garcia, B. Valdez, and M. Schorr. "Corrosion of Naval Aluminum in Seawater." Materials Performance 49, no. 9 (2010): 62–66. https://doi.org/10.5006/mp2010_49_9-62.

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The corrosion of naval aluminum alloy UNS A95052 was investigated by exposing specimens in seawater at two ports—Ensenada on the Pacific Ocean, Mexico, and Ashdod on the Mediterranean Sea, Israel. Corrosion rates were calculated from weight loss and electrochemical parameters were measured in laboratory simulation tests. The alloy displays adequate corrosion resistance to both seawaters.

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17

Ries, J. B. "Review: the effects of secular variation in seawater Mg/Ca on marine biocalcification." Biogeosciences Discussions 6, no. 4 (2009): 7325–452. http://dx.doi.org/10.5194/bgd-6-7325-2009.

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Abstract. Synchronized transitions in the polymorph mineralogy of the major reef-building and sediment-producing calcareous marine organisms and abiotic CaCO3 precipitates (ooids, marine cements) throughout Phanerozoic time is believed to have been caused by tectonically-induced variations in seawater molar Mg/Ca (>2="aragonite seas"; <2="calcite seas"). Here, I review a series of experiments in which extant calcifying taxa were reared in experimental seawater formulated over the range of mMg/Ca ratios (1.0 to 5.2) that occurred throughout their geologic history. Aragonite-secreting bryo

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18

Perdikaki, Martha, Efthymios Chrysanthopoulos, Konstantinos Markantonis, and Andreas Kallioras. "Groundwater Flow Model Calibration Using Variable Density Modeling for Coastal Aquifer Management." Hydrology 11, no. 4 (2024): 59. http://dx.doi.org/10.3390/hydrology11040059.

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The paper investigates the mechanism of seawater intrusion and the performance of free and open-source codes for the simulation of variable density flow problems in coastal aquifers. For this purpose, the research focused on the Marathon Watershed, located in the northeastern tip of Attica, Greece. For the simulation of the groundwater system, MODFLOW, MT3DMS and SEAWAT codes were implemented, while sensitivity analysis and calibration processes were carried out with UCODE. Hydraulic head calibration was performed on the MODFLOW model, and TDS concentration was validated in the SEAWAT model. T

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19

Yusuf, Hamzah, Akhmad Azis, Sugiarto Badaruddin, Andi Muhammad Subhan Saiby, Zulvyah Faisal, and Zubair Saing. "Physical modeling of sand columns application in recharge reservoir to prevent seawater intrusion." Water Supply 22, no. 2 (2021): 2170–78. http://dx.doi.org/10.2166/ws.2021.365.

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Abstract This study aims to provide visual evidence by the physical simulation to demonstrate the sand column performance of a recharge reservoir to control seawater encroachment and confirm some previous studies. In this analysis, a two-dimensional sand tank illustrates the sand column's role in overcoming seawater intrusion. Besides using dyes, the sand tank is also fitted with sensors to observe the length of seawater penetration. Furthermore, the simulation using SEAWAT numerical modeling is used as a reference in this analysis. The criteria analyzed were the number of sand columns, the re

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20

Pawlowicz, R., D. G. Wright, and F. J. Millero. "The effects of biogeochemical processes on oceanic conductivity/salinity/density relationships and the characterization of real seawater." Ocean Science Discussions 7, no. 2 (2010): 773–836. http://dx.doi.org/10.5194/osd-7-773-2010.

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Abstract. As seawater circulates through the global ocean, its relative composition undergoes small variations. This results in changes to the conductivity/salinity/density relationship, which is currently well-defined only for Standard Seawater obtained from a particular area in the North Atlantic. These changes are investigated here by analysis of laboratory experiments in which salts are added to seawater, by analysis of oceanic observations of density and composition anomalies, and by mathematical investigation using a model relating composition, conductivity, and density of arbitrary seaw

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21

Harmesa, Harmesa, Lestari Lestari, and Fitri Budiyanto. "Distribusi Logam Berat Dalam Air Laut Dan Sedimen Di Perairan Cimanuk, Jawa Barat, Indonesia." Oseanologi dan Limnologi di Indonesia 5, no. 1 (2020): 19. http://dx.doi.org/10.14203/oldi.2020.v5i1.310.

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<p><strong>Distribution of Heavy Metals in Seawater and Sediments in Cimanuk Estuary, West Java, Indonesia.</strong><strong> </strong>Increasing economic activities in the north coastal of Java have the potential to contribute to anthropogenic contaminants that threaten the water quality of Cimanuk coastal and estuary in Indramayu. Heavy metal which is one of the wastes from these activities has not been studied in detail. The aim of this study was to determine the distribution of Cu, Pb, Cd, Zn, and Ni in seawaters and sediments of the Cimanuk Estuary. Seawater a

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22

Talbayev, Edwige Tamalet. "Seawater." Contemporary French and Francophone Studies 25, no. 2 (2021): 207–17. http://dx.doi.org/10.1080/17409292.2021.1876445.

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23

Abd-Elhamid, Hany, Akbar Javadi, Ismail Abdelaty, and Mohsen Sherif. "Simulation of seawater intrusion in the Nile Delta aquifer under the conditions of climate change." Hydrology Research 47, no. 6 (2016): 1198–210. http://dx.doi.org/10.2166/nh.2016.157.

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The problem of seawater intrusion is encountered in almost all coastal aquifers. Because of its higher density, the seawater migrates inland into freshwater aquifers even without any pumping activities. Excessive pumping of groundwater would accelerate seawater intrusion. Climate change and sea level rise represent critical parameters affecting the rate and degree of seawater intrusion. In this paper, a coupled transient finite element model for simulation of fluid flow and solute transport in saturated and unsaturated soils (2D-FEST) is employed to study the seawater intrusion in the Nile Del

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24

Mastrocicco, Busico, Colombani, Vigliotti, and Ruberti. "Modelling Actual and Future Seawater Intrusion in the Variconi Coastal Wetland (Italy) Due to Climate and Landscape Changes." Water 11, no. 7 (2019): 1502. http://dx.doi.org/10.3390/w11071502.

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Coastal freshwater resources are commonly under high risk of being contaminated from seawater. The main processes that affect seawater intrusion are groundwater overexploitation, land use change, and climate change effects. In this context coastal lagoons represent the more sensitive environments prone to seawater intrusion. Numerical modelling is a useful tool to understand and predict seawater intrusion. In this study, a three-dimensional SEAWAT model is employed to simulate the seawater intrusion to coastal aquifers of Variconi Oasis (Italy). The present simulation was divided into a calibr

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Xu, Zexuan, Bill X. Hu, and Ming Ye. "Numerical modeling and sensitivity analysis of seawater intrusion in a dual-permeability coastal karst aquifer with conduit networks." Hydrology and Earth System Sciences 22, no. 1 (2018): 221–39. http://dx.doi.org/10.5194/hess-22-221-2018.

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Abstract. Long-distance seawater intrusion has been widely observed through the subsurface conduit system in coastal karst aquifers as a source of groundwater contaminant. In this study, seawater intrusion in a dual-permeability karst aquifer with conduit networks is studied by the two-dimensional density-dependent flow and transport SEAWAT model. Local and global sensitivity analyses are used to evaluate the impacts of boundary conditions and hydrological characteristics on modeling seawater intrusion in a karst aquifer, including hydraulic conductivity, effective porosity, specific storage,

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Cao, Xinzhe, Qiaona Guo, and Wenheng Liu. "Research on the Patterns of Seawater Intrusion in Coastal Aquifers Induced by Sea Level Rise Under the Influence of Multiple Factors." Water 16, no. 23 (2024): 3457. https://doi.org/10.3390/w16233457.

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In the context of global warming, rising sea levels are intensifying seawater intrusion in coastal areas. Due to the complex hydrodynamic conditions and increasing groundwater over-extraction in these regions, understanding the patterns of seawater intrusion is crucial for effective prevention and control. This study employed a sandbox model to investigate both vertical and horizontal seawater intrusion into a coastal unconfined aquifer with an impermeable dam under varying conditions of sea level rise, coastal slope, and groundwater pumping rate. Additionally, a two-dimensional SEAWAT model w

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He, Yuntao, Yongjun Liu, Chang Liu, and Duan Li. "Analysis of Transmission Depth and Photon Number in Monte Carlo Simulation for Underwater Laser Transmission." Remote Sensing 14, no. 11 (2022): 2565. http://dx.doi.org/10.3390/rs14112565.

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The modeling of laser transmission characteristics in complex seawater is fundamental for bathymetric and oceanographic laser detection systems. Because the factors affecting laser transmission in seawater are independent of one another, firstly, in this paper, a Monte Carlo model of laser propagation in seawaters with suspended matter was established to study the influence of suspended matter with specific radius on the underwater laser transmission. Secondly, the influence of transmission depth and the number of photons on the laser extinction coefficients of seawater containing different co

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LIU, Qiusheng, Katsuya FUKUDA, and Yongwei YANG. "D209 TRANSPORT PROCESS OF CARBON DIOXIDE IN SEAWATER AND SYNTHETIC SEAWATER(Environmental Protection-1)." Proceedings of the International Conference on Power Engineering (ICOPE) 2009.2 (2009): _2–323_—_2–328_. http://dx.doi.org/10.1299/jsmeicope.2009.2._2-323_.

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Abd-Elhamid, Hany F., Gamal M. Abdel-Aal, Maha Fahmy, Mohsen Sherif, Martina Zeleňáková, and Ismail Abd-Elaty. "Experimental and Numerical Study to Investigate the Impact of Changing the Boundary Water Levels on Saltwater Intrusion in Coastal Aquifers." Water 14, no. 4 (2022): 631. http://dx.doi.org/10.3390/w14040631.

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Experimental and numerical models can be used to investigate saltwater intrusion (SWI) in coastal aquifers. Sea level rise (SLR) and decline of freshwater heads due to climate change are the two key variables that may affect saltwater intrusion. This study aims to give a better understanding of the impact of increasing seawater levels and decreasing freshwater heads due to climate change and increasing abstraction rates due to overpopulation using experimental and numerical models on SWI. The experimental model was conducted using a flow tank and the SEAWAT code was used for the numerical simu

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Delly, J., K. Mizuno, T. E. B. Soesilo, and M. Gozan. "The Seawater Heavy Metal Content of the Mining Port Close to the Residential Area in the Morowali District." IOP Conference Series: Earth and Environmental Science 940, no. 1 (2021): 012019. http://dx.doi.org/10.1088/1755-1315/940/1/012019.

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Abstract Mining port operations are complex and can cause various forms of pollution. Analysis of seawater pollution from mining ports is required and complicated because of the various types of pollution, sources, effects, and different characteristics. This study examines the content of heavy metals in seawater in residential areas very close to mining ports. The method used sampling in three different places, examining seawater’s heavy metal properties. Secondary data of the quality of seawater was obtained from the results of data monitoring carried out by the company periodically since th

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Edward, Helfinalis, and Y. Witasari. "The content of polycyclic aromatic hydrocarbon (PAHs) compound of seawater in Mayalibit Bay, West of Papua." IOP Conference Series: Earth and Environmental Science 1119, no. 1 (2022): 012089. http://dx.doi.org/10.1088/1755-1315/1119/1/012089.

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Abstract Polycyclic Aromatic Hydrocarbons (PAHs) are polycyclic aromatic organic compounds that contain several carbon and hydrogen rings, known to be toxic and can be harmful to human life and biota in marine waters. This study aimed to determine the levels of PAHs in seawater in Mayalibit Bay, Papua. Seawater samples were taken using a water sampler at 8 locations in Mayalibit Bay in November 2008. The contaminant content of organic carbon compounds in PAHs was determined by Gas-Chromatography Spectrometry and Mass Spectrometry (GCMS). The results showed a high content of HMW-PAHs and LMW-PA

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Sellegri, Karine, Theresa Barthelmeß, Jonathan Trueblood, et al. "Quantified effect of seawater biogeochemistry on the temperature dependence of sea spray aerosol fluxes." Atmospheric Chemistry and Physics 23, no. 20 (2023): 12949–64. http://dx.doi.org/10.5194/acp-23-12949-2023.

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Abstract. Future change in sea surface temperature may influence climate via various air–sea feedbacks and pathways. In this study, we investigate the influence of surface seawater biogeochemical composition on the temperature dependence of number-based sea spray emission fluxes. The dependence of sea spray fluxes was investigated in different water masses (i.e., subantarctic, subtropical and frontal bloom) with contrasting biogeochemical properties across a temperature range from ambient (13–18 ∘C) to 2 ∘C using seawater circulating in a plunging jet sea spray generator. We observed a signifi

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Iwahori, Hiroshi. "Seawater Desalination." MEMBRANE 31, no. 1 (2006): 26–27. http://dx.doi.org/10.5360/membrane.31.26.

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MIYAGI, MORIO. "Seawater Desalination." Sen'i Gakkaishi 46, no. 7 (1990): P303—P308. http://dx.doi.org/10.2115/fiber.46.7_p303.

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Egware, Abel Emamezi. "Numerical Modeling of Seawater Intrusion: Implication for Sustainable Coastal Aquifer Management." Journal of Geography, Environment and Earth Science International 29, no. 1 (2025): 60–68. https://doi.org/10.9734/jgeesi/2025/v29i1855.

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Aim: To examine the numerical modeling of seawater intrusion and show its implication for sustainable coastal acquifer management. Problem Statement: The global rise in the world population has necessitated the essentiality of water which also has linkage with power and agriculture. However, arid and semi-arid regions occupy almost one-third of the global land surface which makes many regions to be under harsh and rising water stress. The intrusion of seawater into some sections of aquifers has been one of the major problems contributing to water scarcity, especially during the dry season. Sig

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Drobyazko, E. V., and A. V. Rastorguev. "Modeling seawater intrusion upon water withdrawal from coastal aquifers." Геоэкология. Инженерная геология. Гидрогеология. Геокриология, no. 1 (July 21, 2024): 3–12. http://dx.doi.org/10.31857/s0869780924010019.

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Abstract (sommario):

Seawater intrusions into coastal aquifers have been the object of study by hydrogeologists since long ago. A wide range of methods are used to predict the development of intrusions: analytical, numerical analytical and numerical. The purpose of this paper is to identify and evaluate seawater intrusion using a coastal groundwater intake as an example. The paper considers a coastal groundwater intake, where mineralization, total hardness and chlorides have increased due to intensive exploitation. Seawater intrusion is assumed to be the main reason for the groundwater quality deterioration. To pr

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37

Chang, Yawen, Bill X. Hu, and Xue Li. "Modeling Seawater Intrusion to Coastal Aquifers in South Coast of Laizhou Bay, China." E3S Web of Conferences 54 (2018): 00004. http://dx.doi.org/10.1051/e3sconf/20185400004.

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In this study, a two-dimensional SEAWAT 2000 model is developed to simulate the seawater intrusion to coastal aquifers and brine water/fresh water interaction in the south of Laizhou Bay, Shandong Province, China and forecast the seawater intrusion and brine water/freshwater interface development in the coming years. The model profile is perpendicular to the coastal line, about 40 km long and 110 m in depth, and consists of two interfaces, freshwater-saline water interface and brine water-saline water-seawater interface. The parameters of aquifers in the SEAWAT-2000 model are calibrated by tri

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38

Wiraguna, Sidi Ahyar Wiraguna. "ANALISIS EFISIENSI BIAYA DALAM PENYEDIAAN AIR LAUT UNTUK OCEANARIUM KOTA: STUDI KASUS BXSea BINTARO." Jurnal Teknik Sipil dan Arsitektur 29, no. 2 (2024): 17–22. http://dx.doi.org/10.36728/jtsa.v29i2.3229.

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This research focuses on assessing how to procure seawater for the BXSea Bintaro Oceanarium, which is located far from natural seawater sources. The two main options analyzed were the purchase of seawater directly from the coast and the creation of artificial seawater. The research method used in this study was conducted through a qualitative, case study approach by combining literature study, field observation, and the researcher's experience as an oceanarium designer, to gain an in-depth understanding of the technical, economic, and environmental aspects associated with both ways of seawater

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39

Wang, Shu Xun, Ying Xia Miao, Jian An Hao, Jing Wang, and Yu Shan Zhang. "Analysis on the Technological Advantages of Domestic Seawater." Applied Mechanics and Materials 737 (March 2015): 692–95. http://dx.doi.org/10.4028/www.scientific.net/amm.737.692.

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The principle of domestic seawater technology is to replace fresh water by seawater. This paper introduces the features and demonstration scale of domestic seawater technology. Considering the successful seawater toilet-flushing in Hong Kong, comparison and economic analysis on the cases of seawater, recycled water and tap water are done. The result shows domestic seawater technology is an economical and efficient water saving technology.

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40

Hamouda, Ragaa A., Mayada A. Shehawy, Soad M. Mohy El Din, Fauzeya Mateq Albalwe, Hessa Meteq R. Albalawi, and Mervat H. Hussein. "Protective role of Spirulina platensis liquid extract against salinity stress effects on Triticum aestivum L." Green Processing and Synthesis 11, no. 1 (2022): 648–58. http://dx.doi.org/10.1515/gps-2022-0065.

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Abstract Salt stress is one of the most serious factors that influence the plant growth and yield. The extensive use of chemical fertilizers caused an increase in land contamination and hence effects on human health. The use of biofertilizers can solve these problems. In the present work, different concentrations of Spirulina platensis liquid extracts (SLEs; 1%, 2%, and 4%) were used to enhance seeds germination, seedling growth, length of radical, number of leaves, and plant height of T. aestivum L. S. platensis liquid extract (SLE) 2% was chosen to test against salt stress with 10% and 25% s

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41

Hilmi, Endang, Cecep Kusmana, Endang Suhendang, and Iskandar Iskandar. "CORRELATION ANALYSIS BETWEEN SEAWATER INTRUSION AND MANGROVE GREENBELT." Indonesian Journal of Forestry Research 4, no. 2 (2017): 151–68. https://doi.org/10.59465/ijfr.2017.4.2.151-168.

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Abstract (sommario):

Seawater intrusion is an entry process of seawater to land. Many factors have caused seawater intrusion from freshwater exploitation until mangrove degradation. Mangrove ecosystem is a type of forest ecosystem which has an ability to reduce seawater intrusion. This paper analyzes the estimation and prediction of seawater intrusion and correlation between widths of mangrove with seawater intrusion. The relation analysis between the width of mangrove greenbelt with seawater intrusion used an equation model to predict seawater intrusion. The research method used sampling technique, system analysi

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42

Bonnail, Estefanía, Sebastián Vera, and T. Ángel DelValls. "A New Disruptive Technology for Zero-Brine Discharge: Towards a Paradigm Shift." Applied Sciences 13, no. 24 (2023): 13092. http://dx.doi.org/10.3390/app132413092.

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Abstract (sommario):

The desalination of aquifers and seawaters is a viable choice to meet primarily domestic and industrial global water requirements. It removes salts from seawater to obtain freshwater with sufficient quality for different purposes, as well as a highly salt-concentrated waste stream known as brine. This residue is usually returned to the ocean, provoking, among other impacts, changes in temperature, salinity and oxygen and overall local aquatic ecosystem stress, as well as social rejection. Desalination in inland aquifers is more complicated because brine disposal is complicated or impossible. T

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43

Zhang, Yu, Yu Hang Gao, Guo Dong Wang, Cheng Yu Li, and Ji Ti Zhou. "Seawater Flue Gas Desulfurization and Post-Desulfurization Seawater Recovery." Advanced Materials Research 233-235 (May 2011): 662–66. http://dx.doi.org/10.4028/www.scientific.net/amr.233-235.662.

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Huge storage tanks of Vinyl chloride monomer (VCM) are often regarded as major hazard installation because VCM is such a kind of flammable, explosive and toxic gas that leakage of liquid VCM would induce fire, explosion and toxic accidents. In this paper, index system of the safety of VCM storage tanks was established by analyzing four main factors including 18 indexes, based on accidents statistic and technology experience. Taking VCM storage tank in a petrochemical plant as a case, AHP-Fuzzy method was applied to achieve single VCM storage tank safety classification. The study could help com

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44

Tahri, T., S. A. Abdul-Wahab, A. Bettahar, M. Douani, H. Al-Hinai, and Y. Al-Mulla. "Desalination of seawater using a humidification-dehumidification seawater greenhouse." Desalination and Water Treatment 12, no. 1-3 (2009): 382–88. http://dx.doi.org/10.5004/dwt.2009.970.

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45

Fukuzumi, Shunichi, Yong-Min Lee, and Wonwoo Nam. "Fuel Production from Seawater and Fuel Cells Using Seawater." ChemSusChem 10, no. 22 (2017): 4264–76. http://dx.doi.org/10.1002/cssc.201701381.

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46

Zhang, Cong, Yuyang Xiao, Yujie Fu, et al. "The Influence of Dissolved Organic Matter to the Seawater Refractive Index Using Optical Refractometer." Journal of Physics: Conference Series 2464, no. 1 (2023): 012026. http://dx.doi.org/10.1088/1742-6596/2464/1/012026.

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Abstract (sommario):

Abstract Optic refractive index is a good proxy for in situ salinity measurement of seawater according to TEOS-10. Currently, salinity of seawater is estimated by practical salinity (SP), which is calculated by measuring electric conductivity, temperature and pressure using Conductivity-Temperature-Depth (CTD) sensors. However, the electric conductivity method only takes into account the conductive compositions to seawater salinity and ignores the contribution of non-ionic components. However, non-ionic components in seawater affect seawater salinity according to the definition of salinity of

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47

Nguyen Dinh, Tung, Sieu Le Nhu, Phuc Nguyen Van, et al. "Radioactivity of some natural and artificial radionuclides in coastal seawater at Ninh Thuan, Ba Ria - Vung Tau and Ca Mau provinces in 2018." Nuclear Science and Technology 10, no. 2 (2021): 44–51. http://dx.doi.org/10.53747/jnst.v10i2.36.

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Abstract (sommario):

Radioactivities of some natural (Ra-226, Th-232, U-238, Po-210) and artificial (Cs-137, Sr-90 and Pu-239,240) radionuclides in coastal seawater at monitoring points of Ninh Thuan, Ba Ria - Vung Tau and Ca Mau provinces were analyzed quarterly in the year of 2018. Radioactivities of Ra-226, Th-232, U-238, and Cs-137 had been determined by simultaneous precipitation method and measured on low-level background gamma spectrometer; the radioactivities of Po-210 and Pu- 239,240 had been analyzed by radiochemical separation method and measured on alpha spectrometer; the radioactivity of Sr-90 had bee

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48

Levy, Miriam, and Abraham J. Susswein. "Separate Effects of a Classical Conditioning Procedure on Respiratory Pumping, Swimming, and Inking in Aplysia fasciata." Learning & Memory 6, no. 1 (1999): 21–36. http://dx.doi.org/10.1101/lm.6.1.21.

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Abstract (sommario):

We examined whether swimming and inking, two defensive responses in Aplysia fasciata, are facilitated by a classical conditioning procedure that has been shown to facilitate a third defensive response, respiratory pumping. Training consisted of pairing a head shock (UCS) with a modified seawater (85%, 120%, or pH 7.0 seawater—CSs). Animals were tested by re-exposing them to the same altered seawater 1 hr after the training. For all three altered seawaters, only respiratory pumping is specifically increased by conditioning. Swimming is sensitized by shock, and inking is unaffected by training,

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49

Widianingsih, Widianingsih, Retno Hartati, and Hadi Endrawati. "Environmental Characteristic of Phyllophorus sp. (Echinodermata, Holothuroidea, Phyllophoridae) Habitat in the Madura Strait, Indonesia." Jurnal Kelautan Tropis 26, no. 3 (2023): 419–32. http://dx.doi.org/10.14710/jkt.v26i3.15064.

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Abstract (sommario):

Information on the environmental characteristics of many sea cucumber habitat is limited, despite these species exhibiting rapid exploitation and may lead to depletion. The present study combined a survey on many seawaters and sediment characteristics of habitat valuable aspidochirote holothurian, Sea Ball Cucumber, Phyllophorus sp. to compare with location with no sea cucumber in Madura Strait, Indonesia. Data from detailed surveys were used to compare both locations with measures of physical and chemical seawater parameters including temperature, salinity, dissolved oxygen, pH, phosphate, ni

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50

Hilmi, Endang, Cecep Kusmana, Endang Suhendang, and Iskandar Iskandar. "CORRELATION ANALYSIS BETWEEN SEAWATER INTRUSION AND MANGROVE GREENBELT." JOURNAL OF FORESTRY RESEARCH 4, no. 2 (2017): 151–68. https://doi.org/10.20886/ijfr.2017.4.2.151-168.

Testo completo

Abstract (sommario):

  Seawater intrusion is an entry process of  seawater to land. Many factors have caused seawater intrusion from freshwater exploitation until mangrove degradation.  Mangrove ecosystem is a type of  forest ecosystem which has an ability to reduce seawater intrusion. This paper analyzes the estimation  and prediction of  seawater intrusion and correlation between widths of  mangrove with seawater intrusion.   The relation analysis between the width of  mangrove greenbelt with seawater intrusion used an equation model to predict seawater intrusion

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