. . . . . . . . . "Saltwater intrusion"@en . . . . . "Intrusi\u00F3n salina"@es . 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"1252844"^^ . . . . . "Salinitzaci\u00F3"@ca . . . . . . . . . . . "Saltwater intrusion is the movement of saline water into freshwater aquifers, which can lead to groundwater quality degradation, including drinking water sources, and other consequences. Saltwater intrusion can naturally occur in coastal aquifers, owing to the hydraulic connection between groundwater and seawater. Because saline water has a higher mineral content than freshwater, it is denser and has a higher water pressure. As a result, saltwater can push inland beneath the freshwater. In other topologies, submarine groundwater discharge can push fresh water into saltwater. Certain human activities, especially groundwater pumping from coastal freshwater wells, have increased saltwater intrusion in many coastal areas. Water extraction drops the level of fresh groundwater, reducing its water pressure and allowing saltwater to flow further inland. Other contributors to saltwater intrusion include navigation channels or agricultural and drainage channels, which provide conduits for saltwater to move inland. Sea level rise caused by climate change also contributes to saltwater intrusion. Saltwater intrusion can also be worsened by extreme events like hurricane storm surges."@en . . . . "1120061838"^^ . . . . . "Mit dem Begriff Salzwasserintrusion (Intrusion, Substantiv von lat. Verb intrudere \u201Ahineinsto\u00DFen\u2018) wird das Eindringen von Salzwasser in k\u00FCstennahe S\u00FC\u00DFwasser-Aquifere bezeichnet. Dieser Vorgang spielt sich wegen des Dichteunterschieds von Salz- und S\u00FC\u00DFwasser auf nat\u00FCrliche Weise an fast allen K\u00FCsten ab, die an das Meerwasser angrenzen. Ebenfalls auf nat\u00FCrliche Weise k\u00F6nnen Sturmfluten die Intrusion von Salzwasser in k\u00FCstennahe Bereiche verursachen. In vielen F\u00E4llen wird dieser Vorgang dar\u00FCber hinaus heute durch Grundwasser-F\u00F6rderung aus k\u00FCstennahen Brunnen erzeugt oder durch den Bau von Schifffahrtskan\u00E4len verursacht. Die Kan\u00E4le bieten dem Salzwasser eine M\u00F6glichkeit, mit S\u00FC\u00DFwasser in K\u00FCstenebenen in Ber\u00FChrung zu kommen."@de . "La salinitzaci\u00F3 \u00E9s el proc\u00E9s que fa esdevenir alguna cosa salina; \u00E9s a dir, que contingui sal."@ca . . . "Intrusi air asin adalah pergerakan air asin ke akuifer air tawar yang dapat mengkontaminasi sumber air minum. Intrusi air asin dapat terjadi secara alami hingga derajat tertentu pada sebagian besar akuifer pantai, dikarenakan adanya hubungan hidrolik antara air tanah dan air laut. Karena air asin memiliki kadar mineral yang lebih tinggi dari air tawar, maka air laut memiliki massa jenis yang lebih tinggi dan tekanan air yang lebih besar. Sehingga air asin bergerak menuju air tawar. Berbagai aktivitas manusia, terutama pemompaan air tanah dari akuifer pantai, dapat meningkatkan intusi air laut karena tekanan air tanah berkurang dan menjadi relatif lebih kecil dibandingkan tekanan dari air laut. Penyebab intrusi air asin lainnya yaitu kanal navigasi dan drainase yang menciptakan celah bagi a"@in . . . . . 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"La intrusi\u00F3n salina es el proceso por el cual los acu\u00EDferos costeros est\u00E1n conectados con el agua del mar. Esto supone que el agua salada (procedente del mar) fluye hacia el subsuelo continental mezcl\u00E1ndose con las reservas de agua dulce. Este proceso se debe a la mayor densidad del agua del mar (debido a que contiene m\u00E1s solutos) que el agua dulce. Esta diferencia de densidades provoca que la presi\u00F3n en el fondo de una columna de agua salada sea mayor que la de una columna de agua dulce de la misma altura. Si se conectaran ambas columnas por debajo, el agua salada fluir\u00EDa hacia la columna de agua dulce. El proceso se detiene cuando la columna de agua dulce se hace mayor, la presi\u00F3n aumenta y consigue igualar a la intrusi\u00F3n de agua de mar. Si se extrae toda el agua dulce, el agua salada inunda el acu\u00EDfero y resulta muy dif\u00EDcil de recuperar. El aumento en el nivel del mar como consecuencia del cambio clim\u00E1tico tambi\u00E9n favorece los procesos de intrusi\u00F3n salina.\u200B"@es . "\u6D77\u6C34\u5165\u4FB5\uFF08seawater intrusion\uFF09\u4EA6\u7A31\u9E7D\u6C34\u5165\u4FB5\uFF08salt water intrusion\uFF09\uFF0C\u4FD7\u7A31\u6D77\u6C34\u5012\u704C\uFF0C\u662F\u6307\u6D77\u6C34\u7D93\u5730\u8868\u5230\u9054\u9678\u5730\u7684\u6C34\u6587\u73FE\u8C61\uFF0C\u666E\u904D\u51FA\u73FE\u65BC\u6CBF\u6D77\u4F4E\u6F25\u5730\u5340\u3002\u5176\u6210\u56E0\u4E3B\u8981\u662F\u8207\u5730\u5C64\u4E0B\u9677\u8207\u6F6E\u6C50\u6709\u95DC\u3002\u98B1\u98A8\u5B63\u7BC0\u6216\u8C6A\u96E8\u6642\u4EA6\u5F88\u5BB9\u6613\u5F15\u767C\u6D77\u6C34\u5012\u704C\u3002 \u6D77\u6C34\u5012\u704C\u73FE\u8C61\u4E00\u822C\u53EA\u5728\u5167\u6CB3\u5165\u6D77\u53E3\u8655\u767C\u751F\uFF0C\u53EF\u5F15\u767C\u9E79\u6F6E\u73FE\u8C61\uFF0C\u5A01\u8105\u6CB3\u6D41\u6DE1\u6C34\u6C34\u8CEA\u3002\u96A8\u8457\u5168\u7403\u6D77\u5E73\u9762\u7684\u4E0A\u5347\uFF0C\u6D77\u6C34\u5012\u704C\u52E2\u5FC5\u8D8A\u4F86\u8D8A\u56B4\u91CD\uFF0C\u6240\u5E36\u4F86\u7684\u53EF\u80FD\u662F\u6CBF\u6D77\u5730\u5340\u571F\u58E4\u60E1\u5316\u8150\u8755\u548C\u6DE1\u6C34\u9E7D\u9E7C\u5316\u7B49\u554F\u984C\u3002"@zh . . . . "La salakva entrudi\u011Do estas la movi\u011Do de sala akvo al nesalaj grundakvoj. Plej ofte, \u011Di estas ka\u016Dzita per subtera akvo pumpanta de marbordaj putoj a\u016D de konstruado de navigaciaj kanaloj a\u016D naftokampaj kanaloj. La kanaloj disponigas akvokonduktilojn por salakvo, \u011Din alporti en dol\u0109akvajn areojn. La salakva entrudi\u011Do anka\u016D povas okazi kiel rezulto de naturprocezo kiel diluvo de uragano. Salakva entrudi\u011Do okazas en praktike \u0109e \u0109iuj marbordaj grundakvoj, kie ili estas en hidra\u016Dlika kontinueco kun marakvo."@eo . "Biseau sal\u00E9"@fr . . . . . . . . . . . . . . . "La salinitzaci\u00F3 \u00E9s el proc\u00E9s que fa esdevenir alguna cosa salina; \u00E9s a dir, que contingui sal."@ca . . "Un biseau sal\u00E9 (ou une intrusion sal\u00E9e) est l'intrusion d'eau saum\u00E2tre ou sal\u00E9e dans une masse d'eau. L'eau sal\u00E9e \u00E9tant plus lourde et visqueuse que l'eau douce. S'il y a d\u00E9s\u00E9quilibre, l'eau sal\u00E9e (plus dense) peut \u00AB repousser \u00BB vers l'int\u00E9rieur des terres la nappe d'eau douce. Th\u00E9oriquement, en raison d'une diff\u00E9rence importante de densit\u00E9, apr\u00E8s un temps d'\u00E9quilibrage, ces deux masses d'eau peuvent ne pas se m\u00E9langer (en l'absence de mouvements des masses d'eau ou de m\u00E9langes d'origine g\u00E9othermique, le m\u00E9lange peut se faire par dispersion/diffusion, lequel peut \u00EAtre frein\u00E9 dans certains substrats, dans le calcaire peu faill\u00E9 par exemple). Pr\u00E8s de la c\u00F4te, des mouvements \u00E9pisodiques ou saisonniers (par exemple induit par une mar\u00E9e ou par les pompages, ou par un afflux d'eau d'origine pluviale ou de fonte de neige ou glacier) peuvent \u00E9galement m\u00E9langer ces eaux et/ou d\u00E9placer le biseau sal\u00E9, en pouvant poser probl\u00E8me quand l'eau sal\u00E9e menace une nappe phr\u00E9atique (souterraine ou superficielle) ou l'eau d'un r\u00E9servoir destin\u00E9 \u00E0 produire de l'eau potable ou d'irrigation ou remonte vers le sol en atteignant les racines d'arbres ou de plantes cultiv\u00E9es."@fr . . . . . . "La intrusi\u00F3n salina es el proceso por el cual los acu\u00EDferos costeros est\u00E1n conectados con el agua del mar. Esto supone que el agua salada (procedente del mar) fluye hacia el subsuelo continental mezcl\u00E1ndose con las reservas de agua dulce. Este proceso se debe a la mayor densidad del agua del mar (debido a que contiene m\u00E1s solutos) que el agua dulce. Esta diferencia de densidades provoca que la presi\u00F3n en el fondo de una columna de agua salada sea mayor que la de una columna de agua dulce de la misma altura. Si se conectaran ambas columnas por debajo, el agua salada fluir\u00EDa hacia la columna de agua dulce. El proceso se detiene cuando la columna de agua dulce se hace mayor, la presi\u00F3n aumenta y consigue igualar a la intrusi\u00F3n de agua de mar. Si se extrae toda el agua dulce, el agua salada in"@es . . . . "Si definisce intrusione marina o cuneo salino il movimento di acqua dal mare verso l\u2019entroterra attraverso il sottosuolo. Le acque sotterranee dolci, essendo meno dense dell\u2019acqua del mare (1 g/cm\u00B3 contro i 1,025 g/cm\u00B3), tendono a \"galleggiarci\" sopra. Nelle semplificazioni concettuali si ipotizza che l'acqua dolce si disponga sopra l'acqua salata definendo una linea di interfaccia netta. Nella realt\u00E0 esiste una vera e propria zona di mescolamento o mixing zone, la cui ampiezza dipende da fenomeni di dispersione e diffusione molecolare sia verticali che orizzontali, dalle fluttuazioni marine e dagli interventi antropici. In condizioni naturali, dunque, l\u2019intrusione marina pu\u00F2 essere semplificata al fenomeno dell\u2019intrusione laterale, ovvero la massa di acqua salata si infiltra nell'acquifer"@it . . . "Cuneo salino"@it . . . . . . . "Saltwater intrusion is the movement of saline water into freshwater aquifers, which can lead to groundwater quality degradation, including drinking water sources, and other consequences. Saltwater intrusion can naturally occur in coastal aquifers, owing to the hydraulic connection between groundwater and seawater. Because saline water has a higher mineral content than freshwater, it is denser and has a higher water pressure. As a result, saltwater can push inland beneath the freshwater. In other topologies, submarine groundwater discharge can push fresh water into saltwater."@en . . . . . "Intrusi air asin"@in . . . "Un biseau sal\u00E9 (ou une intrusion sal\u00E9e) est l'intrusion d'eau saum\u00E2tre ou sal\u00E9e dans une masse d'eau. L'eau sal\u00E9e \u00E9tant plus lourde et visqueuse que l'eau douce. S'il y a d\u00E9s\u00E9quilibre, l'eau sal\u00E9e (plus dense) peut \u00AB repousser \u00BB vers l'int\u00E9rieur des terres la nappe d'eau douce."@fr . . . "Salzwasserintrusion"@de . . . . . "Mit dem Begriff Salzwasserintrusion (Intrusion, Substantiv von lat. Verb intrudere \u201Ahineinsto\u00DFen\u2018) wird das Eindringen von Salzwasser in k\u00FCstennahe S\u00FC\u00DFwasser-Aquifere bezeichnet. Dieser Vorgang spielt sich wegen des Dichteunterschieds von Salz- und S\u00FC\u00DFwasser auf nat\u00FCrliche Weise an fast allen K\u00FCsten ab, die an das Meerwasser angrenzen. Ebenfalls auf nat\u00FCrliche Weise k\u00F6nnen Sturmfluten die Intrusion von Salzwasser in k\u00FCstennahe Bereiche verursachen. In vielen F\u00E4llen wird dieser Vorgang dar\u00FCber hinaus heute durch Grundwasser-F\u00F6rderung aus k\u00FCstennahen Brunnen erzeugt oder durch den Bau von Schifffahrtskan\u00E4len verursacht. Die Kan\u00E4le bieten dem Salzwasser eine M\u00F6glichkeit, mit S\u00FC\u00DFwasser in K\u00FCstenebenen in Ber\u00FChrung zu kommen. Seit 1996 wurde man vielerorts auf das Ph\u00E4nomen aufmerksam, dass \u2013 umgekehrt \u2013 Grundwasser gro\u00DFen Einfluss auf die Wasserqualit\u00E4t von K\u00FCstengew\u00E4ssern haben kann. Weniger die Sch\u00FCttung seltener, punktueller Quellen, als das diffuse Einsickern von Nitraten und Ammonium in das K\u00FCstengew\u00E4sser erschwert die empirische Verifizierung, aber: \u201E[\u2026], das Eindringen von n\u00E4hrstoffreichem Grundwasser in K\u00FCstengew\u00E4sser kann signifikant zur Eutrophierung und sch\u00E4dlichen Algenbl\u00FCte beitragen.\u201C"@de . "20130"^^ . "Saltvattenintr\u00E4ngning \u00E4r ett fenomen som intr\u00E4ffar n\u00E4r saltvatten av olika sk\u00E4l tr\u00E4nger in i en akvif\u00E4r och f\u00F6rorenar grundvattnet. Det intr\u00E4ffar oftast i kustn\u00E4ra brunnar under torrperioder d\u00E5 tillf\u00F6rseln av grundvatten \u00E4r l\u00E5g, men kan ocks\u00E5 intr\u00E4ffa i n\u00E4rheten av kanaler med havsvatten som kan tr\u00E4nga ut och f\u00F6rorena grundvattnet."@sv . . "Si definisce intrusione marina o cuneo salino il movimento di acqua dal mare verso l\u2019entroterra attraverso il sottosuolo. Le acque sotterranee dolci, essendo meno dense dell\u2019acqua del mare (1 g/cm\u00B3 contro i 1,025 g/cm\u00B3), tendono a \"galleggiarci\" sopra. Nelle semplificazioni concettuali si ipotizza che l'acqua dolce si disponga sopra l'acqua salata definendo una linea di interfaccia netta. Nella realt\u00E0 esiste una vera e propria zona di mescolamento o mixing zone, la cui ampiezza dipende da fenomeni di dispersione e diffusione molecolare sia verticali che orizzontali, dalle fluttuazioni marine e dagli interventi antropici. In condizioni naturali, dunque, l\u2019intrusione marina pu\u00F2 essere semplificata al fenomeno dell\u2019intrusione laterale, ovvero la massa di acqua salata si infiltra nell'acquifero lateralmente dalla costa. Solitamente \u00E8 causato da un eccessivo pompaggio in un acquifero costiero, dalla siccit\u00E0 o dalla costruzione di canali di navigazione, oppure in seguito a mareggiate. Fattori che incidono su questo fenomeno sono l'eterogeneit\u00E0 delle formazioni rocciose e le fluttuazioni del mare. In tale fenomeno l\u2019eterogeneit\u00E0 del sistema geologico ha una notevole importanza, infatti crea variazioni spaziali nelle propriet\u00E0 idrauliche del mezzo che controllano il trasporto e perturbano il moto del flusso a differente scala. Anche la scala dell\u2019eterogeneit\u00E0 influisce sul fenomeno, infatti se su piccola scala, l\u2019eterogeneit\u00E0 del mezzo ha una influenza minore sullo spessore della zona di interfaccia, macroscopiche variazioni creano vie preferenziali caratterizzate da moti anche molto rapidi. L\u2019altro importante fattore \u00E8 quello delle fluttuazioni del livello del mare, soprattutto in quelle aree esposte a forti variazioni stagionali dove sono importanti i fenomeni di marea."@it . "\u6D77\u6C34\u5012\u704C"@zh . . . . . . "La salakva entrudi\u011Do estas la movi\u011Do de sala akvo al nesalaj grundakvoj. Plej ofte, \u011Di estas ka\u016Dzita per subtera akvo pumpanta de marbordaj putoj a\u016D de konstruado de navigaciaj kanaloj a\u016D naftokampaj kanaloj. La kanaloj disponigas akvokonduktilojn por salakvo, \u011Din alporti en dol\u0109akvajn areojn. La salakva entrudi\u011Do anka\u016D povas okazi kiel rezulto de naturprocezo kiel diluvo de uragano. Salakva entrudi\u011Do okazas en praktike \u0109e \u0109iuj marbordaj grundakvoj, kie ili estas en hidra\u016Dlika kontinueco kun marakvo."@eo . . . . "\u062A\u0633\u0631\u0628 \u0627\u0644\u0645\u064A\u0627\u0647 \u0627\u0644\u0645\u0627\u0644\u062D\u0629"@ar . "Saltvattenintr\u00E4ngning"@sv . . . . "Salakva entrudi\u011Do"@eo . 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"Intrusi air asin adalah pergerakan air asin ke akuifer air tawar yang dapat mengkontaminasi sumber air minum. Intrusi air asin dapat terjadi secara alami hingga derajat tertentu pada sebagian besar akuifer pantai, dikarenakan adanya hubungan hidrolik antara air tanah dan air laut. Karena air asin memiliki kadar mineral yang lebih tinggi dari air tawar, maka air laut memiliki massa jenis yang lebih tinggi dan tekanan air yang lebih besar. Sehingga air asin bergerak menuju air tawar. Berbagai aktivitas manusia, terutama pemompaan air tanah dari akuifer pantai, dapat meningkatkan intusi air laut karena tekanan air tanah berkurang dan menjadi relatif lebih kecil dibandingkan tekanan dari air laut. Penyebab intrusi air asin lainnya yaitu kanal navigasi dan drainase yang menciptakan celah bagi air laut bergerak ke daratan melewati permukaan dan melalui pasang surut air. Intrusi air laut juga dapat terjadi pada kondisi cuaca ekstrem seperti badai dan ."@in . . . . . . . "Saltvattenintr\u00E4ngning \u00E4r ett fenomen som intr\u00E4ffar n\u00E4r saltvatten av olika sk\u00E4l tr\u00E4nger in i en akvif\u00E4r och f\u00F6rorenar grundvattnet. Det intr\u00E4ffar oftast i kustn\u00E4ra brunnar under torrperioder d\u00E5 tillf\u00F6rseln av grundvatten \u00E4r l\u00E5g, men kan ocks\u00E5 intr\u00E4ffa i n\u00E4rheten av kanaler med havsvatten som kan tr\u00E4nga ut och f\u00F6rorena grundvattnet. I Sverige finns ett flertal platser som en g\u00E5ng har befunnits under havsvattenytan och som har torrlagts av landh\u00F6jningen d\u00E4r saltvatten finnas inlagrat i marken under grundvattnet. Borrar eller gr\u00E4ver man f\u00F6r djupa brunnar i dessa omr\u00E5den s\u00E5 kan det f\u00F6religga risk f\u00F6r att dricksvattnet blir f\u00F6rsaltat. Denna sorts problem med saltvatten i vattnet p\u00E5 grund av att man gr\u00E4ver eller borrar sin brunn f\u00F6r djupt avhj\u00E4lps antingen med en teknisk eller hydrologisk l\u00F6sning. Exempel p\u00E5 tekniska l\u00F6sningar kan vara att man s\u00E4tter en plugg av cement nederst i sin brunn, d\u00E5 hindrar man saltvattnet fr\u00E5n att tr\u00E4nga upp.Saltvattenintr\u00E4ngningen blir inte heller lika allvarlig d\u00E4rf\u00F6r att man endast kontaminerar sin egen brunn med saltvatten, man f\u00F6rst\u00F6r inte hela vattent\u00E4kten. Saltvattenintr\u00E4ngning kan ocks\u00E5 ske n\u00E4r uttaget av grundvatten \u00F6verstiger nyproduktionen av grundvatten under en l\u00E4ngre tid. Denna form av saltvattenintr\u00E4ngning \u00E4r mycket allvarligare d\u00E5 den inte bara f\u00F6rorenar det egna drickvattnet utan \u00E4ven kan f\u00E5 hela omr\u00E5det f\u00F6rorenat av saltvatten. \u00D6verutnyttjar man grundvattenakviferen i omr\u00E5det, allts\u00E5 att uttaget av grundvatten \u00F6verstiger nyproduktionen s\u00E5 kommer detta att leda till att det tryck som s\u00F6tvattnet utg\u00F6r s\u00E4nks. Detta leder till att saltvatten tr\u00E4nger upp och f\u00F6rorenar akviferen. F\u00F6ljden av detta \u00E4r att vattnet i omr\u00E5det inte l\u00E4ngre kommer att duga till dricksvatten.F\u00F6r att f\u00F6rhindra att grundvattenutaget blir f\u00F6r stort kr\u00E4vs en kunskap om hur stor grundvattentillg\u00E5ngen i omr\u00E5det \u00E4r, samt vilka risker som f\u00F6religger om uttaget i vattent\u00E4kten \u00F6verskrider nyproduktionen av vatten."@sv .