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Samenvatting Hoofdstuk 4 Leefomgeving Wateroverlast

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Belangrijkste buiten van hoofdstuk 3, Leefomgeving: wateroverlast 4 havo

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Hoofdstuk 4 Leefomgeving Wateroverlast

Drie type rivieren
1. Gletsjerrivier
2. Regenrivier (maas)
3. Gemengde rivier (rijn)

Stroomstelsel = hoofdrivier + zijrivieren
Waterscheiding = scheiding tussen stroomgebieden
Vertragingstijd = hoe lang het water er over doet om bij de rivier te komen
Piekafvoer = wanneer de rivier de grootste hoeveelheid water moet verwerken

Verval = punt a – punt b
Verhang = verval/aantal km tussen a en b

Regiem = waterafvoer in een jaar (regelmatig/ onregelmatig )
Debiet = afvoer op een bepaalde plek op een bepaalt moment in m3 per seconde

Binnendijks = woongebied (wel beschermd)
Buitendijks = wat onder water mag lopen (niet beschermd)

Wie is verantwoordelijk voor water?
1. Waterschappen (kwaliteit)
2. Rijkswaterstaat (aanleg onderhoud infrastructuur, bescherming)

Deltaplan = na watersnoodramp, bouw deltawerken

Ruimte voor de rivier = rivier de ruimte geven en geen overstromingen meer

Maatregelen ruimte voor de rivier
1. Dijkverlegging (extra water door de rivier)
2. Hoogwatergeul (hier kan water bij hoogwater in lopen)
3. Kribverlaging (water kan er dan overheen)
4. Ontpoldering (polder groter maken en dus meer ruimte voor de rivier)
5. Obstakelverwijdering
6. Uiterwaardafgraving (sediment verwijderen)
7. Waterberging (opslaan bij hoogwater en afvoer bij laagwater
8. Zomerbedverlaging (meer ruimte zomerbed)
9. Dijkverbetering (verzwaren of verhogen)

Drietrapstrategie
1. Vasthouden (bovenloop)
Bomen en planten water vast laten houden (vertragingstijd verhogen)
2. Bergen (middenloop)
3. Afvoeren (benedenloop

Connected book
 image
Publisher: Unknown ISBN: 9789001878313 Edition: 3

Document information

Level
School year
4
Summarized whole book?
No
Which chapters are summarized?
4
Uploaded on
April 1, 2022
Number of pages
2
Written in
2021/2022
Type
Summary
$5.95

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