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Summary Geografie Graad 12 (Via Afrika-handboek)

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Ons opsomming vir Graad 12 is 'n gestruktureerde en visueel aantreklike bron wat ontwikkel is deur die gebruik van die Via Afrika Graad 12 handboek. Elke hoofstuk word gekenmerk deur 'n unieke kleur, wat die leeservaring verbeter en die inhoud maklik identifiseerbaar maak. Ons het ook 'n handige woordelys ingesluit, waar moontlik, om die begrip van sleutelbegrippe te vergemaklik. Die opsomming dek Kwartaal 01-04 se werk en is 'n alomvattende studiegids vir leerders wat op soek is na 'n volledige begrip van die Graad 12 kurrikulum. Met ons opsomming kan leerders met vertroue hulle akademiese reis aandurf en suksesvol slaag.

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Uploaded on
October 22, 2021
File latest updated on
October 1, 2023
Number of pages
63
Written in
2023/2024
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Kopiereg © Skool Notas 0

, Inhoudsopgawe
Onderwerp 01 : Klimaat en weer .................................................................................................. 2
Eenheid 01 : Middelbreedtesiklone ............................................................................................. 2
Eenheid 02 : Tropiese siklone ..................................................................................................... 6
Eenheid 03 : Subtropiese antisiklone en gepaardgaande weerstoestande .................................. 9
Eenheid 04 : Valleiklimate ......................................................................................................... 11
Eenheid 05 : Stedelike klimate .................................................................................................. 14
Onderwerp 02 : Geomorfologie.................................................................................................. 16
Eenheid 01 : Dreineerstelsels in Suid-Afrika.............................................................................. 16
Eenheid 02 : Fluviale prosesse ................................................................................................. 19
Eenheid 03 : Opvanggebied- en rivierbestuur ........................................................................... 24
Onderwerp 03 : Landelike nedersetting en stedelike nedersetting ......................................... 26
Eenheid 01 : Die studie van nedersettings ................................................................................ 26
Eenheid 02 : Landelike nedersettings........................................................................................ 28
Eenheid 03 : Landelike nedersettingskwessies ......................................................................... 30
Eenheid 04 : Stedelike nedersettings ........................................................................................ 31
Eenheid 05 : Stedelike hiërargieë.............................................................................................. 33
Eenheid 06 : Stedelike struktuur en patrone .............................................................................. 34
Eenheid 07 : Stedelike nedersettingskwessies .......................................................................... 36
Onderwerp 04 : Ekonomiese geografie van Suid-Afrika .......................................................... 38
Eenheid 01 : Die struktuur van die ekonomie ............................................................................ 38
Eenheid 02 : Landbou ............................................................................................................... 40
Eenheid 03 : Mynbou ................................................................................................................ 44
Eenheid 04 : Sekondêre en tersiêre sektore.............................................................................. 46
Eenheid 05 : Strategieë vir nywerheidsontwikkeling .................................................................. 49
Eenheid 06 : Die informele sektor ............................................................................................. 51
Prakties : Geografiese vaardighede en tegnieke ...................................................................... 52
Eenheid 01 : Kaartvaardighede ................................................................................................. 52
Eenheid 02 : Topografiese kaarte ............................................................................................. 55
Eenheid 03 : Lugfoto’s en ortofotokaarte ................................................................................... 57
Eenheid 04 : Geografiese inligtingstelsels (GIS) ....................................................................... 58
Eenheid 05 : Die gebruik van atlasse ........................................................................................ 62




Kopiereg © Skool Notas 1

, Onderwerp 01 : Klimaat en weer
EENHEID 01 : MIDDELBREEDTESIKLONE

Woordelys
Term Definisie
Die oordragsone tussen lugmassas met ’n opvallende verskil in temperatuur
Front
en humiditeit oor ’n relatiewe kort afstand van 50 tot 100 km.
Siklone Laagdrukstelsels, word ook soms depressies genoem.
Siklogenese Die ontwikkeling of versterking van sikloniese sirkulasie in die atmosfeer.
UTC word soms met die letter Z geskryf, wat na die sonebeskrywing van zero
Zulu tyd
uur verwys.

Wat is die algemene kenmerke van middelbreedtesiklone?
• Middelbreedtesiklone: laagdrukstelsels met warm en koue lugmassas.
• Winde roteer kloksgewys Suidelike Halfrond, antikloksgewys Noordelike Halfrond.
• Deursnee: 1 000 tot 4 000 km.
• Impakteer Suid-Afrika sterk in winter, koue fronte en reën.
• In somer beweeg dit suidwaarts.
• Intensiteit wissel van matig tot sterk storm.
• Siklogenese: wanbalans in energie polêre en tropiese streke.

Waar vorm middelbreedtesiklone?
• Middelbreedtesiklone kom voor tussen 30° en 60° noord en suid van die ewenaar.
• Hulle volg bepaalde roetes van wes na oos in die westewinde.
• Soms ontstaan 'n reeks fronte in 'n familie fronte.
• In die Suidelike Halfrond is die oudste frontstelsel die verste suidoos.
• Elke daaropvolgende jonger front is effens verder noord en wes.
• Die frontsone kan 50 tot 100 km wyd wees.

Watter toestande is nodig vir die vorming van middelbreedtesiklone?
• Middelbreedtesikloon is 'n groot spiraal lug teen die poolfront.
• Kontak van twee groot hoogdrukstelsels op die poolfront.
• Warm, vogtige lugmassa in subtropiese hoogdruk.
• Koue, droë lugmassa in polêre hoogdruk.
• Lugdruk konvergeer vanuit teenoorgestelde rigtings by die poolfront.




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Welcome to Skool Notas! We're passionate about education and dedicated to providing vibrant educational resources tailored for Grade 04 to 12. Our mission is to support students, teachers, and parents alike with colourful and engaging materials designed to enhance learning experiences. With Skool Notas, you'll find a wide range of educational tools, from insightful notes to interactive exercises, all aimed at making learning both effective and enjoyable.

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