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Updated Apr 13, 2026
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Podzemna voda in ledeniki: ključni viri pitne vode
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Podzemna voda in ledeniki - osnove
Predstavljaj si, da je naša Zemlja kot velika goba, ki shranjuje vodo na skrivnih mestih. Podzemna voda (ali podtalnica) je vsa tista voda, ki se skriva pod tlemi v kamninah. Nastane, ko dež pronica skozi zemljo navzdol.
Vodonosnik je kot naravna goba, narejena iz peska ali proda, ki je polna vode. Iz teh vodonosnikov črpamo pitno vodo za naše domove. Pod njimi pa je nepropustna plast (na primer glina), ki deluje kot neprepustna posoda - voda se ne more prebiti skozi njo.
Ledeniki so ogromne gmote ledu, ki se počasi premikajo po kopnem. Nastanejo iz snega, ki se leta kopiči in stiska, dokler se ne spremeni v trden led. To je naša največja zaloga sladke vode na svetu!
💡 Ključno za razumevanje: Približno 69% vse sladke vode na Zemlji je zamrznjene v ledenikih!
Kako nastaja podzemna voda
Proces je pravzaprav precej preprost, če ga razdelimo na korake. Najprej pade dež ali sneg na tla. Del te vode steče po površju v reke, del pa se pronica (cedi) skozi tla navzdol.
Voda potuje navzdol skozi prepustne plasti, dokler ne naleti na nepropustno plast, ki je ne prepušča. Tam se začne nabirati in zapolni vse prazne prostore v prepustni plasti nad njo - tako nastane vodonosnik.
Pomembno je vedeti, da gladina podzemne vode ni vedno enako globoko. Po močnem deževju se dvigne, v suši pa upade. To je popolnoma naravno!
💡 Pametno za teste: Znaš narisati preprost prerez tal z vodonosnikom? To je pogosto vprašanje na testih!
Kras - posebnost Slovenije
V Sloveniji imamo nekaj posebnega - Kras! To je območje, kjer je kamnina apnenec, ki ga voda lahko raztaplja. Tu podzemna voda ne teče počasi skozi prod, ampak teče po pravih podzemnih rekah.
Kraški pojavi so res fascinantni. Nastanejo jame (kot Postojnska jama), ponikalnice (reke, ki izginejo pod zemljo), in vrtače (okrogle vdolbine na površju). Vse to nastane zato, ker voda raztaplja apnenec.
Posebno pozornost moramo nameniti varovanju vode na Krasu. Ker se voda tam zelo hitro pretaka, se tudi onesnaženje hitro razširi. Če nekdo nekje polije strupeno tekočino, lahko ta kmalu pride do našega izvira pitne vode.
💡 Zanimivost: Reka Reka res izginje pod zemljo - to ni šala v imenu!
Ledeniki kot zaklad sladke vode
Ledeniki so kot naravni zamrzovalniki, ki shranjujejo ogromne količine sladke vode. Ločimo gorske ledenike (manjši, v dolinah) in celinske ledenike (ogromni ledeni pokrovi na Antarktiki in Grenlandiji).
Nastajajo zelo počasi. V hladnih območjih zapade več snega, kot se ga poleti stali. Sneg se kopiči v plasteh, teža novih plasti pa stiska spodnje. Sneg se postopno spremeni v trden led, ki se zaradi teže začne pomikati v dolino.
Triglavski ledenik v Sloveniji se žal zaradi podnebnih sprememb hitro manjša. To je slaba novica, ker kaže na segrevanje našega planeta. Tudi na Antarktiki se ledeniki talijo hitreje kot nekoč.
💡 Povezava z življenjem: Taljenje ledenikov povzroča dvig morske gladine, kar lahko ogroža obalna mesta po vsem svetu!
Praktični primeri iz Slovenije
Ljubljanska pitna voda je odličen primer, kako deluje podzemna voda. Večina vode v Ljubljani pride iz vodonosnika Ljubljansko polje - veliko območje proda, ki ga je nanesla Sava. Deževnica se tu prečisti in nabere, mesto pa jo črpa z vodnjaki.
Zaradi tega je pomembno, da ne onesnaževamo tal. Gnojila iz kmetijstva, industrijski odpadki ali celo motor oil lahko pridejo v našo pitno vodo. Na Krasu je to še posebej nevarno, ker se onesnaženje razširi zelo hitro.
Taljenje antarktičnih ledenikov vpliva tudi na nas v Sloveniji. Ko se ogromne količine ledu stalijo, se gladina morja dviga. To ogroža obalna mesta, tudi naš Piran bi imel lahko probleme.
💡 Za test pomembno: Znaš razložiti povezavo med onesnaževanjem tal in kakovostjo pitne vode?
Ključne točke za preverjanje znanja
Ne zamešaj pojmov! Prepustna plast vodo PREPUŠČA, nepropustna pa je NE PREPUŠČA. To je osnova za razumevanje celotne teme.
Za Slovenijo je podzemna voda glavni vir pitne vode. Še posebej moramo paziti na kraške vodonosnike, ker se voda v njih hitro pretaka in se ne prečisti tako dobro kot v produ.
Podnebne spremembe so ključna povezava: višje temperature → taljenje ledenikov → dvig morske gladine IN izguba zalog sladke vode. To moraš znati razložiti z lastnimi besedami.
Človek vpliva na kakovost podzemne vode z onesnaževanjem iz kmetijstva, industrije in naselij. Zato imamo varovana vodna območja, ki so ključna za našo prihodnost.
💡 Hitra ponovitev: Podzemna voda + ledeniki = naše največje zaloge sladke vode. Oba sta ogrožena zaradi človekovih dejavnosti!
We thought you’d never ask...
What is the Knowunity AI companion?
Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.
Where can I download the Knowunity app?
You can download the app from Google Play Store and Apple App Store.
Is Knowunity really free of charge?
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
Most popular content in Geografija
Most popular content
Can't find what you're looking for? Explore other subjects.
Students love us — and so will you.
4.6/5
App Store
4.7/5
Google Play
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
Podzemna voda in ledeniki: ključni viri pitne vode
Verjetno se ti zdi, da je voda samo v rekah in jezerih, mar ne? Ampak največje zaloge naše sladke vode so skrite pod zemljo ali zamrznjene v ledenikih! To je tema, ki jo moraš poznati, ker se dotika naše vsakdanje... Show more
Podzemna voda in ledeniki - osnove
Predstavljaj si, da je naša Zemlja kot velika goba, ki shranjuje vodo na skrivnih mestih. Podzemna voda (ali podtalnica) je vsa tista voda, ki se skriva pod tlemi v kamninah. Nastane, ko dež pronica skozi zemljo navzdol.
Vodonosnik je kot naravna goba, narejena iz peska ali proda, ki je polna vode. Iz teh vodonosnikov črpamo pitno vodo za naše domove. Pod njimi pa je nepropustna plast (na primer glina), ki deluje kot neprepustna posoda - voda se ne more prebiti skozi njo.
Ledeniki so ogromne gmote ledu, ki se počasi premikajo po kopnem. Nastanejo iz snega, ki se leta kopiči in stiska, dokler se ne spremeni v trden led. To je naša največja zaloga sladke vode na svetu!
💡 Ključno za razumevanje: Približno 69% vse sladke vode na Zemlji je zamrznjene v ledenikih!
Sign up to see the contentIt's free!
Access to all documents
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Join milions of students
Kako nastaja podzemna voda
Proces je pravzaprav precej preprost, če ga razdelimo na korake. Najprej pade dež ali sneg na tla. Del te vode steče po površju v reke, del pa se pronica (cedi) skozi tla navzdol.
Voda potuje navzdol skozi prepustne plasti, dokler ne naleti na nepropustno plast, ki je ne prepušča. Tam se začne nabirati in zapolni vse prazne prostore v prepustni plasti nad njo - tako nastane vodonosnik.
Pomembno je vedeti, da gladina podzemne vode ni vedno enako globoko. Po močnem deževju se dvigne, v suši pa upade. To je popolnoma naravno!
💡 Pametno za teste: Znaš narisati preprost prerez tal z vodonosnikom? To je pogosto vprašanje na testih!
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Kras - posebnost Slovenije
V Sloveniji imamo nekaj posebnega - Kras! To je območje, kjer je kamnina apnenec, ki ga voda lahko raztaplja. Tu podzemna voda ne teče počasi skozi prod, ampak teče po pravih podzemnih rekah.
Kraški pojavi so res fascinantni. Nastanejo jame (kot Postojnska jama), ponikalnice (reke, ki izginejo pod zemljo), in vrtače (okrogle vdolbine na površju). Vse to nastane zato, ker voda raztaplja apnenec.
Posebno pozornost moramo nameniti varovanju vode na Krasu. Ker se voda tam zelo hitro pretaka, se tudi onesnaženje hitro razširi. Če nekdo nekje polije strupeno tekočino, lahko ta kmalu pride do našega izvira pitne vode.
💡 Zanimivost: Reka Reka res izginje pod zemljo - to ni šala v imenu!
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Ledeniki kot zaklad sladke vode
Ledeniki so kot naravni zamrzovalniki, ki shranjujejo ogromne količine sladke vode. Ločimo gorske ledenike (manjši, v dolinah) in celinske ledenike (ogromni ledeni pokrovi na Antarktiki in Grenlandiji).
Nastajajo zelo počasi. V hladnih območjih zapade več snega, kot se ga poleti stali. Sneg se kopiči v plasteh, teža novih plasti pa stiska spodnje. Sneg se postopno spremeni v trden led, ki se zaradi teže začne pomikati v dolino.
Triglavski ledenik v Sloveniji se žal zaradi podnebnih sprememb hitro manjša. To je slaba novica, ker kaže na segrevanje našega planeta. Tudi na Antarktiki se ledeniki talijo hitreje kot nekoč.
💡 Povezava z življenjem: Taljenje ledenikov povzroča dvig morske gladine, kar lahko ogroža obalna mesta po vsem svetu!
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Praktični primeri iz Slovenije
Ljubljanska pitna voda je odličen primer, kako deluje podzemna voda. Večina vode v Ljubljani pride iz vodonosnika Ljubljansko polje - veliko območje proda, ki ga je nanesla Sava. Deževnica se tu prečisti in nabere, mesto pa jo črpa z vodnjaki.
Zaradi tega je pomembno, da ne onesnaževamo tal. Gnojila iz kmetijstva, industrijski odpadki ali celo motor oil lahko pridejo v našo pitno vodo. Na Krasu je to še posebej nevarno, ker se onesnaženje razširi zelo hitro.
Taljenje antarktičnih ledenikov vpliva tudi na nas v Sloveniji. Ko se ogromne količine ledu stalijo, se gladina morja dviga. To ogroža obalna mesta, tudi naš Piran bi imel lahko probleme.
💡 Za test pomembno: Znaš razložiti povezavo med onesnaževanjem tal in kakovostjo pitne vode?
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Ključne točke za preverjanje znanja
Ne zamešaj pojmov! Prepustna plast vodo PREPUŠČA, nepropustna pa je NE PREPUŠČA. To je osnova za razumevanje celotne teme.
Za Slovenijo je podzemna voda glavni vir pitne vode. Še posebej moramo paziti na kraške vodonosnike, ker se voda v njih hitro pretaka in se ne prečisti tako dobro kot v produ.
Podnebne spremembe so ključna povezava: višje temperature → taljenje ledenikov → dvig morske gladine IN izguba zalog sladke vode. To moraš znati razložiti z lastnimi besedami.
Človek vpliva na kakovost podzemne vode z onesnaževanjem iz kmetijstva, industrije in naselij. Zato imamo varovana vodna območja, ki so ključna za našo prihodnost.
💡 Hitra ponovitev: Podzemna voda + ledeniki = naše največje zaloge sladke vode. Oba sta ogrožena zaradi človekovih dejavnosti!
We thought you’d never ask...
What is the Knowunity AI companion?
Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.
Where can I download the Knowunity app?
You can download the app from Google Play Store and Apple App Store.
Is Knowunity really free of charge?
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
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Students love us — and so will you.
4.6/5
App Store
4.7/5
Google Play
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user