Sea level Flashcards
Sea level
1
Q
Relative sea level
A
local change
2
Q
Eustatic sea level
A
global change
3
Q
Relative sea level is changed by
A
-Eustatic sea level
-Tectonics
4
Q
Accommodation space is changed by
A
Sedimentation
5
Q
Retrogradation
A
Landward Movement
6
Q
Aggradation
A
No horizontal movement/ vertical change
7
Q
Progradation
A
Seaward Movement
8
Q
Major Sea-level changes due to
A
-Ridge Volume Changes
-Glacial Changes
9
Q
Glaciation
A
-Removes water
-Need cold summers to allow ice to build up
10
Q
Isolation
A
-Measure of incident solar radiation
-Changes in tilt amplify or suppress the season, particularly @ the poles
11
Q
Obliquity
A
Changes in tilt of pole
12
Q
Eccentricity
A
Changes in orbit from elliptical to more circular
13
Q
Precession
A
Wobble of axis and rotation of orbital ellipse
