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Journal articles on the topic 'Intrusión marina'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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1

Sarango J., Douglas D. "ANALISIS DEL PROBLEMA DE INTRUSION MARINA DEL ACUIFERO DE CHILCA MEDIANTE MODELAMIENTO NUMERICO." Revista de Investigación de Física 9, no. 02 (2006): 61–67. http://dx.doi.org/10.15381/rif.v9i02.8592.

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La presente investigación tiene como objetivo el análisis y la evaluación del problema actual de intrusión marina del acuífero de Chilca mediante la modelación númerica. Para cumplir con este objetivo es necesario contar con un manejo apropiado de este sistema acuífero y establecer politicas de operación, manejo y conservación, para lo cual se debe efectuar un estudio del comportamiento espacial y temporal de este recurso hídrico. En este sentido, se ha efectuado el modelamiento númerico del acuífero de Chilca en regimen permanente mediante la solución de las ecuaciones que gobiernan el flujo

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2

Custodio, Emilio. "Consecuencias de la intrusión marina en la España mediterránea e insular según el informe SASMIE." BOLETÍN GEOLÓGICO Y MINERO 131, no. 4 (2020): 775–94. http://dx.doi.org/10.21701/bolgeomin.131.4.015.

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3

Nagaraju, Arveti, Arveti Thejaswi, and Yenamala Sreedhar. "Assessment of Groundwater Quality of Udayagiri area, Nellore District, Andhra Pradesh, South India Using Multivariate Statistical Techniques." Earth Sciences Research Journal 20, no. 4 (2016): 1. http://dx.doi.org/10.15446/esrj.v20n4.54555.

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Hydrogeochemical studies were carried out in and around Udayagiri area of Andhra Pradesh in order to assess the chemistry of the groundwater and to identify the dominant hydrogeochemical processes and mechanisms responsible for the evolution of the chemical composition of the groundwater. Descriptive statistics, correlation matrices, principal component analysis (PCA), together with cluster analysis (CA) were used to gain an understanding of the hydrogeochemical processes in the study area. PCA has identified 4 main processes influencing the groundwater chemistry viz., mineral precipitation an

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Pino, Edwin, Lía Ramos, Oscar Avalos, et al. "Factores que inciden en el agotamiento y la contaminación por intrusión marina en el acuífero costero de La Yarada, Tacna, Perú." Tecnología y ciencias del agua 10, no. 5 (2019): 177–213. http://dx.doi.org/10.24850/j-tyca-2019-05-07.

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5

Purca, Sara, and Aida Henostroza. "Presencia de microplásticos en cuatro playas arenosas de Perú." Revista Peruana de Biología 24, no. 1 (2017): 101. http://dx.doi.org/10.15381/rpb.v24i1.12724.

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Se presenta el número y peso por metro cuadrado de fragmentos de microplásticos presentes en cuatro playas arenosas de la costa peruana. Las muestras fueron colectadas entre junio de 2014 y mayo 2015. Fragmentos de plástico duro mayores a 1 mm fueron encontrados en más del 80% de las muestras de las cuatro playas. La playa Costa Azul (~ 12°S) presentó 522 fragmentos por metro cuadrado (items/m2) de microplásticos, de los cuales, 463.33 items/m2 y 2.6 g/m2 fueron plásticos duros. La playa Albúfera de Medio Mundo (~ 11°S) presentó el menor número y peso de microplásticos (4.67 items/m2 y 0.50 g/

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6

De Bustamante, Irene, Marco Cabrera, Lucila Candela, and Javier Lillo. "La reutilización de aguas regeneradas en España: ejemplos de aplicación en el marco del Proyecto Consolider-Tragua." Aqua-LAC 2, no. 1 (2010): 01–17. http://dx.doi.org/10.29104/phi-aqualac/2010-v2-1-01.

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La reutilización de aguas depuradas en España se realiza desde hace décadas, siendo uno de los países en los que esta práctica está más extendida. Sin embargo, no se llega a reutilizar más del 5% del total de las aguas residuales recogidas, aunque en algunos casos, como en Canarias, el agua depurada ha llegado a suponer un 20% del agua consumida. En este artículo se presentan tres ejemplos de reutilización de aguas depuradas con una importante incidencia en los aspectos ambientales y asociados a condiciones hídricas diversas. Los estudios se están llevando a cabo dentro del Proyecto CONSOLIDER

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Rojas Gonzáles, E., H. Herrera Pamo, and Douglas D. Sarango. "Desarrollo e implementación de un modelo matemático para la evaluación del impacto ambiental de la intrusión marina en el acuífero del rio Caplina, Tacna Perú." Revista de Investigación de Física 13, no. 01 (2010): 1–9. http://dx.doi.org/10.15381/rif.v13i01.8922.

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La sobreexplotación de los acuíferos costeros de nuestro país para el abastecimiento de la demanda de agua para uso doméstico y agrícola ha producido en los últimos años un incremento del problema de la intrusión marina en estos acuíferos. Una forma de diagnosticar y diseñar la solución a este problema, es la modelación matemática en régimen transitorio; que consiste en la solución numérica de las ecuaciones que gobiernan el flujo de agua en un acuífero del rio Caplina en Tacna-Perú. En la etapa de calibración mensual del modelo, se logró reproducir el comportamiento del acuífero para el año 2

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8

Delgado, Valeria, Heyddy Calderón, Yelba Flores, and Thelma Salvatierra. "Calidad y Disponibilidad de los Recursos Hídricos en tres Microcuencuas Costeras del Municipio de Tola, Nicaragua." Universidad y Ciencia 5, no. 8 (2011): 13–21. http://dx.doi.org/10.5377/uyc.v5i8.314.

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Las actividades económicas, el crecimiento de la población en general; así como los cambios climáticos globales, han aumentado la presión sobre los recursos hídricos en el país. Esto se refleja tanto en una disminución en la disponibilidad, así como en la pérdida de calidad de estos recursos. En consecuencia, los gobiernos municipales han formado alianzas estratégicas con organismos internacionales e instituciones académicas para producir información base necesaria para la creación y ejecución de planes de ordenamiento territorial, a fin de planificar futuras demandas de agua. El desarrollo tu

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9

Gandhi, S. S., J. K. Mortensen, N. Prasad, and O. van Breemen. "Magmatic evolution of the southern Great Bear continental arc, northwestern Canadian Shield: geochronological constraints." Canadian Journal of Earth Sciences 38, no. 5 (2001): 767–85. http://dx.doi.org/10.1139/e00-094.

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The calc-alkaline Great Bear continental arc in the Wopmay Orogen developed after a collision ca. 1890 Ma of the Archean Slave craton with the Paleoproterozoic Hottah terrane to the west. UPb zircon dating of three volcanic and six intrusive rocks from the southern part of the arc shows four stages of development: (i) intrusion of a few small sodic leucogranite plutons at 1873 ± 2 Ma into a previously folded metasedimentary sequence; (ii) abundant calc-alkaline felsic volcanism and subvolcanic intrusions during the period 18701866 Ma, bracketed by five ages; (iii) intrusion of large calc-alk

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10

Passow, Uta, and Edward B. Overton. "The Complexity of Spills: The Fate of the Deepwater Horizon Oil." Annual Review of Marine Science 13, no. 1 (2021): 109–36. http://dx.doi.org/10.1146/annurev-marine-032320-095153.

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The Deepwater Horizon oil spill was the largest, longest-lasting, and deepest oil accident to date in US waters. As oil and natural gas jetted from release points at 1,500-m depth in the northern Gulf of Mexico, entrainment of the surrounding ocean water into a buoyant plume, rich in soluble hydrocarbons and dispersed microdroplets of oil, created a deep (1,000-m) intrusion layer. Larger droplets of liquid oil rose to the surface, forming a slick of mostly insoluble, hydrocarbon-type compounds. A variety of physical, chemical, and biological mechanisms helped to transform, remove, and redisper

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11

Banta, Robert M., Yelena L. Pichugina, W. Alan Brewer, et al. "Characterizing NWP Model Errors Using Doppler-Lidar Measurements of Recurrent Regional Diurnal Flows: Marine-Air Intrusions into the Columbia River Basin." Monthly Weather Review 148, no. 3 (2020): 929–53. http://dx.doi.org/10.1175/mwr-d-19-0188.1.

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Abstract Ground-based Doppler-lidar instrumentation provides atmospheric wind data at dramatically improved accuracies and spatial/temporal resolutions. These capabilities have provided new insights into atmospheric flow phenomena, but they also should have a strong role in NWP model improvement. Insight into the nature of model errors can be gained by studying recurrent atmospheric flows, here a regional summertime diurnal sea breeze and subsequent marine-air intrusion into the arid interior of Oregon–Washington, where these winds are an important wind-energy resource. These marine intrusions

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12

Casella, Daniele, Marco Meloni, Anne A. Petrenko, Andrea M. Doglioli, and Jerome Bouffard. "Coastal Current Intrusions from Satellite Altimetry." Remote Sensing 12, no. 22 (2020): 3686. http://dx.doi.org/10.3390/rs12223686.

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The use of satellite-based data in coastal regions for the monitoring of fine-scale ocean dynamics, impacting marine ecosystems, is a difficult challenge. A random forest algorithm to detect slope current intrusions into the Gulf of Lion, Mediterranean Sea, has been developed using both improved coastal altimetry data and 10 year-long numerical simulations. The results have been compared to an independent dataset of in situ measurements from a bottom-moored Acoustic Doppler Current Profiler. The algorithm results are very promising: 93% of slope current intrusions have been correctly identifie

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13

PEDERSEN, O., T. BINZER, and J. BORUM. "Sulphide intrusion in eelgrass (Zostera marina L.)." Plant, Cell and Environment 27, no. 5 (2004): 595–602. http://dx.doi.org/10.1111/j.1365-3040.2004.01173.x.

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14

Talbot, C. J., and V. Von Brunn. "Intrusive and extrusive (micro)melange couplets as distal effects of tidal pumping by a marine ice sheet." Geological Magazine 124, no. 6 (1987): 513–25. http://dx.doi.org/10.1017/s0016756800017350.

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AbstractMicroscopic soft-sediment deformation structures in a 30 × 25 × 12 mm hand specimen of glaciogenic silty mudstone from the Permo-Carboniferous Dwyka Formation of northern Natal in South Africa are illustrated by serial sections. The processes these structures imply are interpreted using palinspastically restored sections and isopachytes reconstructed from them. The sedimentation of silts, muds, and microrhythmites is found to have been punctuated by episodes of hydraulic activity which resulted in thirteen bodies with the mixed fabrics of micromelanges. These are divisible into five me

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15

Shannon, N. R., P. A. Mackinnon, and G. Hamill. "Modelling of saline intrusion in marine outfalls." Proceedings of the Institution of Civil Engineers - Maritime Engineering 158, no. 2 (2005): 47–58. http://dx.doi.org/10.1680/maen.2005.158.2.47.

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16

Hasler-Sheetal, Harald, and Marianne Holmer. "Sulfide Intrusion and Detoxification in the Seagrass Zostera marina." PLOS ONE 10, no. 6 (2015): e0129136. http://dx.doi.org/10.1371/journal.pone.0129136.

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17

Pulido Bosch, A., F. Navarrete, L. Molina, and J. L. Martinez-Vidal. "Quantity and Quality of Groundwater in the Campo De Dalias (Almeria, Se Spain)." Water Science and Technology 24, no. 11 (1991): 87–96. http://dx.doi.org/10.2166/wst.1991.0340.

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The Campo de Dalías is the most economically important agricultural area in the whole of the Province of Almeria. A benign climate combined with the expertise of the market gardeners and their intensive cultivation in plastic hot-houses of out-of-season fruit and vegetables has turned a stony wasteland into an area of great productivity. The main water supply comes from a series of wells drilled into the subterranean aquifers running through the local rocks, a geometrically complex succession of Triassic limestones and dolomites, Miocene conglomerates and calcareous sandstones, Pliocene calcar

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18

Marjoua, A., P. Olive, and C. Jusserand. "Apports des outils chiniques et isotopiques à l'identification des origines de la salinisation des eaux : Cas de la nappe de La Chaouia côtière (Maroc)." Revue des sciences de l'eau 10, no. 4 (2005): 489–505. http://dx.doi.org/10.7202/705290ar.

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L'étude hydrochimique des eaux de la nappe libre de la Chaouia côtière montre une teneur excessive en sels dans ces eaux, spécialement des chlorures (jusqu'à 3 g.l-1).Cette salinité élevée peut, à terme, nuire gravement à l'économie de la région qui se consacre essentiellement à la culture maraîchère sous irrigation. Des mesures isotopiques (18O/16O, 2H/1H) couplées aux éléments chimiques, notamment Br-/Cl-, excluent l'hypothèse d'une intrusion marine généralisée. L'existence d'une paléosalinité (SHIVANNA andal.,1993) n'est pas soutenue par les mesures des teneurs en isotopes radioactifs (3H,

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19

Li, Xin. "Collaborative Intrusion Detection Method for Marine Distributed Network." Journal of Coastal Research 83, sp1 (2019): 57. http://dx.doi.org/10.2112/si83-010.1.

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20

Skulski, Thomas, Robert P. Wares, and Alan D. Smith. "Early Proterozoic (1.88–1.87 Ga) tholeiitic magmatism in the New Québec orogen." Canadian Journal of Earth Sciences 30, no. 7 (1993): 1505–20. http://dx.doi.org/10.1139/e93-129.

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The New Québec orogen contains two volcano-sedimentary sequences bounded by unconformities. Each sequence records a change from continental sedimentation and alkaline volcanism to marine sedimentation and tholeiitic volcanism. The first sequence records 2.17 Ga rifting and the development, by 2.14 Ga, of a passive margin along the eastern part of the Superior craton. The second sequence developed between 1.88 and 1.87 Ga in pull-apart basins that reflect precollisional dextral transtension along the continental margin. Second-sequence magmatism comprises (i) carbonatitic and lamprophyric intru

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21

Smith, R. A., D. Stephenson, and S. K. Monro. "The geological setting of the southern Bathgate Hills, West Lothian, Scotland." Earth and Environmental Science Transactions of the Royal Society of Edinburgh 84, no. 3-4 (1993): 189–96. http://dx.doi.org/10.1017/s026359330000599x.

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ABSTRACTThe southern Bathgate Hills, in the eastern part of the Midland Valley basin of Scotland, were the site of a volcanic rise during late Dinantian to early Silesian times and a sequence of basaltic lavas and tuffs up to 600 m thick accumulated. The volcanic pile interrupted the regional sedimentary deposition, which involved a cyclical sequence of marine limestones and mudstones followed by estuarine, lagoonal and deltaic clastic deposits. During the Brigantian Stage of the Dinantian, freshwater terrestrial environments developed locally on the volcanic rise between eruptive phases, but

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22

Tan, Shi Zhe, and Sheng Xu Wang. "Digital Holographic Imaging of Marine Plankton." Applied Mechanics and Materials 198-199 (September 2012): 314–19. http://dx.doi.org/10.4028/www.scientific.net/amm.198-199.314.

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Designing an advanced method to sensing marine plankton effectively is highly demanded for acquiring critical marine plankton information data. The goal of this paper is to use digital holographic imaging for sensing marine plankton in recording sampling volume with several advantages such as non-intrusive and non-destructive interrogation of the recording sampling volume. So, by capturing hologram of marine plankton and reconstructing hologram, the recorded optical field of marine plankton is retrieved.

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23

Talke, Stefan A., and David A. Jay. "Changing Tides: The Role of Natural and Anthropogenic Factors." Annual Review of Marine Science 12, no. 1 (2020): 121–51. http://dx.doi.org/10.1146/annurev-marine-010419-010727.

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Tides are changing worldwide at rates not explained by astronomical forcing. Rather, the observed evolution of tides and other long waves, such as storm surges, is influenced by shelf processes and changes to the roughness, depth, width, and length of embayments, estuaries, and tidal rivers. In this review, we focus on processes in estuaries and tidal rivers, because that is where the largest changes to tidal properties are occurring. Recent literature shows that changes in tidal amplitude have been ubiquitous worldwide over the past century, often in response to wetland reclamation, channel d

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Walsh, Gregory J., John N. Aleinikoff, Robert A. Ayuso, and Robert P. Wintsch. "Age and tectonic setting of the Quinebaug-Marlboro belt and implications for the history of Ganderian crustal fragments in southeastern New England, USA." Geosphere 17, no. 4 (2021): 1038–100. http://dx.doi.org/10.1130/ges02295.1.

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Abstract Crustal fragments underlain by high-grade rocks represent a challenge to plate reconstructions, and integrated mapping, geochronology, and geochemistry enable the unravelling of the temporal and spatial history of exotic crustal blocks. The Quinebaug-Marlboro belt (QMB) is an enigmatic fragment on the trailing edge of the peri-Gondwanan Ganderian margin of southeastern New England. SHRIMP U-Pb geochronology and geochemistry indicate the presence of Ediacaran to Cambrian metamorphosed volcanic and intrusive rocks dated for the first time between ca. 540–500 Ma. The entire belt may pres

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25

Sin, Eunchong, In-Young Ahn, Seojeong Park, and Taewon Kim. "Effects of Low pH and Low Salinity Induced by Meltwater Inflow on the Behavior and Physical Condition of the Antarctic Limpet, Nacella concinna." Journal of Marine Science and Engineering 8, no. 10 (2020): 822. http://dx.doi.org/10.3390/jmse8100822.

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Seawater acidification and freshening in the intertidal zone of Marian Cove, Antarctica, which occurs by the freshwater inflow from snow fields and glaciers, could affect the physiology and behavior of intertidal marine organisms. In this study, we exposed Antarctic limpets, Nacella concinna, to two different pH (8.00 and 7.55) and salinity (34.0 and 27.0 psu) levels and measured their righting ability after being flipped over, mortality, condition factor, and shell dissolution. During the 35-day exposure, there was no significant difference in behavior and mortality between different treatmen

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Przewłócka, Maria, Beata Jaworska-Szulc, Bohdan Kozerski, Małgorzata Pruszkowska-Caceres, Adam Szymkiewicz, and Andrzej Kwaterkiewicz. "Freshening of salinized groundwater in Gdańsk Quaternary aquifer." E3S Web of Conferences 54 (2018): 00025. http://dx.doi.org/10.1051/e3sconf/20185400025.

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The main Quaternary aquifer in the Gdańsk region connects directly with salt waters of the Martwa Wisła River and the Gulf of Gdańsk. This aquifer has been used for many years by large municipal and industrial intakes located on the marine lowlands, with maximum output 6236 m3/h in 1985. Owing to an intensive exploitation, groundwater in the area of the Old Gdańsk has been salinized by intrusion of salt water from the Martwa Wisła River. Concentration of chlorides in some wells reached 2000-3000 mgCl/dm3, leading to degradation of groundwater resources in this area. As a consequence the “Grodz

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27

Loncarevic, B. D., Tomas Feininger, and Denis Lefebvre. "The Sept-îles layered mafic intrusion: geophysical expression." Canadian Journal of Earth Sciences 27, no. 4 (1990): 501–12. http://dx.doi.org/10.1139/e90-046.

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Eighty-eight percent of the Cambrian Sept-Îles layered mafic intrusion, possibly the second largest on Earth, lies under the estuary of the St. Lawrence River. A marine geophysical cruise in 1986 tied together all earlier gravity surveys and added gravity measurements along 1100 km of new track lines.The following results were based on the 1986 survey and other geophysical data. The Sept-Îles layered mafic intrusion is nearly circular in plan and about 80 km in diameter. It is funnel shaped and some 5.6 km thick at its centre. It has a volume of about 20 000 km3 and is composed of gabbro and a

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Sun, Bao Nan, Zhan Lian, and Yong Zeng Yang. "On Theoretical Models for Oil Droplets Size Distribution under the Influence of Surface Wave Breaking." Advanced Materials Research 998-999 (July 2014): 511–17. http://dx.doi.org/10.4028/www.scientific.net/amr.998-999.511.

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Marine oil spill often forms oil droplets in stormy conditions. Based on the dimensional analysis Rayleigh method, the relationship is established between entrainment rate of oil droplets and statistical physical quantities such as the energy dissipation rate, intrusion depth et al. An expression of size spectrum of oil droplets is derived based on theorem and relationship between the capillary number, the dimensionless intrusion time and viscosity ratio. Preliminary results show that the slope of the derived spectrum is-2.29, which agrees well with the measured slope-2.3 in laboratory. Shear

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Darlan, Yudi, and Udaya Kamiludin. "RONA LINGKUNGAN GEOLOGI KELAUTAN DI PERAIRAN P. ROTE NUSA TENGGARA TIMUR." JURNAL GEOLOGI KELAUTAN 11, no. 3 (2016): 149. http://dx.doi.org/10.32693/jgk.11.3.2013.239.

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Sejalan dengan perubahan Pulau Rote dari Pemerintahan Kecamatan menjadi Kabupaten, pembangunan infrastruktur pesisir dan sektor lainnya di pulau ini meningkat. Pembangunan tersebut dari tahun ke tahun dapat menimbulkan perubahan kondisi lingkungan pesisir dan perairan Pulau Rote. Perubahan kondisi lingkungan dapat diidentifikasi melalui analisis data rona lingkungan. Data seismik memperlihatkan morfologi teras-teras pantai, dan intrusi diapir serpih di perairan Pulau Rote yang mengiindikasikan pulau ini mengalami proses pengangkatan sejak ribuan tahun yang lalu hingga sekarang. Sedimen permuka

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Soler, A., F. Torrella, J. Sáez, et al. "Performance of two municipal sewage stabilization pond systems with high and low loading in South-eastern Spain." Water Science and Technology 31, no. 12 (1995): 81–90. http://dx.doi.org/10.2166/wst.1995.0463.

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From January to December 1992, the efficiency of two waste stabilization pond systems (WSPS) located in the Region of Murcia, South-eastern Spain, has been studied in terms of the physicochemistry and the microbiology of the systems. The efficiencies of the different stages of the treatment and the global performance have been compared. The WSPS of Lorquí and Ceutí (12,000 inhabitants) receives fruit processing and cannery wastes mixed with the urban sewage. This increases the load up to 95,000 equivalent inhabitants with an average BOD5 of 800 mgO2/l. Global reductions of COD and BOD5 were 79

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Saaidia, Bachir, Mohamed Mahia, and Salah Chaab. "Identification of marine intrusion in the plain of Collo, northeastern Algeria." Journal of Water and Land Development 35, no. 1 (2017): 211–19. http://dx.doi.org/10.1515/jwld-2017-0086.

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AbstractThe population increase, urbanization and intensification of agriculture and demands for water supply in the coastal plain of Collo led to excessive pumping of the unconfined aquifer with limited dimensions. This study aimed to characterize the effect of the overexploitation of the groundwater from the only unconfined aquifer in the region, what resulted in the inversion of the groundwater flow and the rise the possible seawater pollution that is shown in the water table map. The causes and effects of the saltwater intrusion were discussed. The interpretation of the electrical conducti

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Terracciano, D. S., L. Bazzarello, A. Caiti, R. Costanzi, and V. Manzari. "Marine Robots for Underwater Surveillance." Current Robotics Reports 1, no. 4 (2020): 159–67. http://dx.doi.org/10.1007/s43154-020-00028-z.

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Abstract Purpose of Review The paper reviews the role of marine robots, in particular unmanned vehicles, in underwater surveillance, i.e. the control and monitoring of an area of competence aimed at identifying potential threats in support of homeland defence, antiterrorism, force protection and Explosive Ordnance Disposal (EOD). Recent Findings The paper explores separately robotic missions for identification and classification of threats lying on the seabed (e.g. EOD) and anti-intrusion robotic systems. The current main scientific challenge is identified in terms of enhancing autonomy and te

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Peterson, A. Townsend, Adolfo G. Navarro-Sigüenza, and Xingong Li. "Joint Effects of Marine Intrusion and Climate Change on the Mexican Avifauna." Annals of the Association of American Geographers 100, no. 4 (2010): 908–16. http://dx.doi.org/10.1080/00045608.2010.497351.

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Rozycki, Alexander. "Analysis of a Marine Intrusion by Parameters Derived from Salt-Water Conductivity." Ground Water 34, no. 6 (1996): 1076–81. http://dx.doi.org/10.1111/j.1745-6584.1996.tb02173.x.

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Nicolas, Julien P., and David H. Bromwich. "Climate of West Antarctica and Influence of Marine Air Intrusions*." Journal of Climate 24, no. 1 (2011): 49–67. http://dx.doi.org/10.1175/2010jcli3522.1.

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Abstract High-resolution numerical weather forecasts from the Antarctic Mesoscale Prediction System (AMPS) archive are used to investigate the climate of West Antarctica (WA) during 2006–07. A comparison with observations from West Antarctic automatic weather stations confirms the skill of the model at simulating near-surface variables. AMPS cloud cover is also compared with estimates of monthly cloud fractions over Antarctica derived from spaceborne lidar measurements, revealing close agreement between both datasets. Comparison with 20-yr averages from the Interim ECMWF Re-Analysis (ERA-Inter

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Pires-Vanin, Ana Maria Setubal. "Identifying the components of ecological variation in a marine benthic megafauna." Revista Brasileira de Oceanografia 49, no. 1-2 (2001): 29–38. http://dx.doi.org/10.1590/s1413-77392001000100003.

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Current work in benthic ecology highlights the importance of the temporal component of ecological variation for distribution and abundance of organisms. However, this approach is limited by the difficulty in separating and measure the constituents of such variation. The present study aims to separate and identify the environmental and temporal components of ecological variation in the abundance of the benthic invertebrate community from the São Sebastião Channel, southeastern Brazil, by canonical correspondence analysis. The area is seasonally submitted to the intrusion of a cold and saline wa

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Urbahs, Aleksandrs, Rima Mickevičienė, Vasilij Djačkov, et al. "Analysis of an Unmanned Aerial Vehicle Monitoring System for Resurveying of Shipping Routes." Transport and Aerospace Engineering 3, no. 1 (2016): 102–11. http://dx.doi.org/10.1515/tae-2016-0012.

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Abstract The paper gives brief description of the conventional and innovative hydrography survey methods and constraints connected with the realization. Proposed hydrographic survey system based on the use of Unmanned Aerial and Maritime systems provides functionality to conduct hydrographic measurements and environment monitoring. System can be easily adapted to fulfil marine safety and security operations, e.g. intrusion threat monitoring, hazardous pollutions monitoring and prevention operations, icing conditions monitoring.

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Lakhouit, Abderrahim. "Tourism Impact on Marine Ecosystems in the North of Red Sea." Journal of Sustainable Development 13, no. 1 (2019): 10. http://dx.doi.org/10.5539/jsd.v13n1p10.

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The unique marine environment of the northern Red Sea region is among the richest and most productive marine ecosystems in the world. The sea is populated with extensive algae blooms and at least five types of coral reefs. However, the region&rsquo;s tourism sector is largely dependent on the surrounding environment, including the coral reefs, which are highly sensitive to human activities. A large tourist project (Neom) is scheduled to be installed in the northern Red Sea, further increasing tourist activities in the area and leading to human intrusion into crucial but fragile marine habi

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Pérez-Ceballos, Rosela, Cesar Canul-Macario, Roger Pacheco-Castro, Julia Pacheco-Ávila, Jorge Euán-Ávila, and Martín Merino-Ibarra. "Regional Hydrogeochemical Evolution of Groundwater in the Ring of Cenotes, Yucatán (Mexico): An Inverse Modelling Approach." Water 13, no. 5 (2021): 614. http://dx.doi.org/10.3390/w13050614.

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The Ring of Cenotes (RC) extends along the edge of the Chicxulub crater, in the limestone platform of the Yucatan Peninsula (YP), where groundwater shows two preferential flow paths toward the coast near Celestun and Dzilam Bravo towns. The objectives of this study were to describe the regional hydrogeochemical evolution of the groundwater in the RC, and its association with the dissolution/precipitation of the minerals present along its pathway to the ocean. These objectives results were obtained by: (a) characterizing groundwater hydrogeochemistry; (b) calculating calcite, dolomite, and gyps

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Chen, Yixiang, Shiquan Lin, Chunsheng Wang, Juan Yang, and Dong Sun. "Response of size and trophic structure of zooplankton community to marine environmental conditions in the northern South China Sea in winter." Journal of Plankton Research 42, no. 3 (2020): 378–93. http://dx.doi.org/10.1093/plankt/fbaa022.

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Abstract The South China Sea (SCS) is a semi-enclosed marginal sea. And in the northern SCS (NSCS), the Pearl River plume, mesoscale eddies and Kuroshio intrusion may influence the structure of pelagic ecosystems. Here, based on mesozooplankton samples collected in the NSCS from December 2014 to January 2015, spatial variations of mesozooplankton biomass, abundance, normalized biomass size spectra (NBSS), size structure and trophic structure were analyzed to study the response of mesozooplankton community to the influence of highly variable oceanographic environment. High biomass, abundance an

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Turek, A., T. M. Carson, Patrick E. Smith, W. R. Van Schmus, and W. Weber. "U–Pb zircon ages for rocks from the Island Lake greenstone belt, Manitoba." Canadian Journal of Earth Sciences 23, no. 1 (1986): 92–101. http://dx.doi.org/10.1139/e86-009.

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The Archean Hayes River Group of the Island Lake greenstone belt (Superior Province, Sachigo Subprovince) comprises mafic to felsic metavolcanics, subvolcanics, and associated metasedimentary rocks. The Hayes River Group is intruded by granitoid rocks belonging to the early intrusive complex. One such pluton, the Bella Lake tonalite, is intrusive into the metabasalt of the Hayes River Group and has a U–Pb zircon age of 2886 ± 15 Ma. Similar intrusives of this complex, either internal or marginal to the greenstone belt, yield zircon ages of 2801 ± 8 Ma (Pipe Point tonalit) and 2768 ± 22 Ma (Lin

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Frery, E., M. Ducros, L. Langhi, J. Strand, and A. Ross. "Integrated 3D basin and petroleum systems modelling of the Great Australian Bight." APPEA Journal 57, no. 2 (2017): 733. http://dx.doi.org/10.1071/aj16133.

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3D stratigraphic, structural, thermal and migration modelling has become an essential part of petroleum systems analysis for passive margins, especially if complex 3D facies patterns and extensive volcanic activity are observed. A better understanding of such underexplored offshore areas requires a refined 3D basin modelling approach, with the implementation of realistically sized volcanic intrusions, source rocks and reservoir intervals. In this study, an integrated modelling workflow based on a Great Australian Bight case study has been applied. The 244800-km2 3D model integrates well data,

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António, Maria Helena Paulo, Elisa H. Fernandes, and Jose H. Muelbert. "Impact of Jetty Configuration Changes on the Hydrodynamics of the Subtropical Patos Lagoon Estuary, Brazil." Water 12, no. 11 (2020): 3197. http://dx.doi.org/10.3390/w12113197.

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Coastal infrastructure alterations, such as jetty expansions, are designed to provide improvements to natural dredging and safety of marine access and to maximize the management and efficiency of ports. Furthermore, these alterations have the potential to cause significant environmental changes to estuaries and adjacent coastal areas. Here, the hydrodynamics of Pathos Lagoon was investigated before and after the jetty alterations, where the jetty was increased by approximately 10–18% and the mouth width was reduced by 15%. The TELEMAC-3D numerical model was calibrated and validated using the f

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Zouhri, Lahcen, El Arbi Toto, Erick Carlier, and Taha-Hocine Debieche. "Salinité des ressources en eau: intrusion marine et interaction eaux–roches (Maroc occidental)." Hydrological Sciences Journal 55, no. 8 (2010): 1337–47. http://dx.doi.org/10.1080/02626667.2010.520561.

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Zghibi, Adel, Lahcen Zouhri, and Jamila Tarhouni. "Groundwater modelling and marine intrusion in the semi-arid systems (Cap-Bon, Tunisia)." Hydrological Processes 25, no. 11 (2011): 1822–36. http://dx.doi.org/10.1002/hyp.7948.

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Sikkel, Paul C. "Competitor intrusions and mate-search tactics in a territorial marine fish." Behavioral Ecology 9, no. 5 (1998): 439–44. http://dx.doi.org/10.1093/beheco/9.5.439.

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Kvesić, Marija, Marin Vojković, Toni Kekez, Ana Maravić, and Roko Andričević. "Spatial and Temporal Vertical Distribution of Chlorophyll in Relation to Submarine Wastewater Effluent Discharges." Water 13, no. 15 (2021): 2016. http://dx.doi.org/10.3390/w13152016.

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The vertical distribution of chlorophyll in coastal waters is influenced by a combination of the hydrodynamic environment and different biotic and abiotic processes. The spatial and temporal occurrences of chlorophyll profiles provide a good representation of the changes in the marine environment. The majority of studies in the Adriatic Sea have so far been conducted in areas unaffected by anthropogenic pressure. Our study site is located near two marine outfalls, which are part of the public sewage system. This study aims to characterize the chlorophyll vertical distribution and describe its

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Cooper, A. H., D. Millward, E. W. Johnson, and N. J. Soper. "The early Palaeozoic evolution of northwest England." Geological Magazine 130, no. 5 (1993): 711–24. http://dx.doi.org/10.1017/s0016756800021026.

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AbstractThe Lake District and smaller Craven inliers of northwest England contain a Lower Palaeozoic sequence deposited on the Gondwanan side of the Iapetus Ocean, close to the junction with the Tornquist Sea. The Tremadoc to Llanvirn Skiddaw and Ingleton groups are deep water assemblages of turbidite, olistostrome and slump deposits, formed at a continental margin. They experienced uplift and erosion as a precursor to the eruption of two largely subaerial Llandeilo-Caradoc volcanic sequences: the tholeiitic Eycott Volcanic Group in the north and the calc–alkaline Borrowdale Volcanic Group in

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Grundmann, Jens, Ayisha Al-Khatri, and Niels Schütze. "Managing saltwater intrusion in coastal arid regions and its societal implications for agriculture." Proceedings of the International Association of Hydrological Sciences 373 (May 12, 2016): 31–35. http://dx.doi.org/10.5194/piahs-373-31-2016.

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Abstract. Coastal aquifers in arid and semiarid regions are particularly at risk due to intrusion of salty marine water. Since groundwater is predominantly used in irrigated agriculture, its excessive pumping – above the natural rate of replenishment – strengthen the intrusion process. Using this increasingly saline water for irrigation, leads to a destruction of valuable agricultural resources and the economic basis of farmers and their communities. The limitation of resources (water and soil) in these regions requires a societal adaptation and change in behaviour as well as the development o

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Guo, Bao Lin, Xiang Ming Kong, and Yu Han. "A New Moisture Keeping Method for Marine Concrete Curing." Applied Mechanics and Materials 90-93 (September 2011): 1195–99. http://dx.doi.org/10.4028/www.scientific.net/amm.90-93.1195.

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Cover concrete quality is very important for marine structures, which determines the beginning time of reinforcement corrosion and the life of the structure. The very early age continuous moisture keeping is essential for cover concrete properties develop; otherwise the long-term performance will be reduced heavily. There are many moisture keeping curing methods, but the drawbacks of traditional curing methods make them confined to use in marine environment concrete structures. A kind of moisture keeping membrane which can absorb and hold 100～5000 times of dead-weight water, and impede water e

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