lecture 21 slides: topography - mit opencourseware · grand canyon marli miller, u. oregon courtesy...

Topography)

12.001)–)31)October)2012)

1

NASA

“Geographic”/Plate carrée

Courtesy of NASA. Image in the public domain.

2

Mercator

Courtesy of NASA. Image in the public domain.3

Transverse Mercator

Courtesy of NASA. Image in the public domain.4

Grand Canyon Marli Miller, U. Oregon

Courtesy of scott1346 on Flickr. License: CC-BY.

Courtesy of the U.S. Geological Survey. Map in the public domain. 5

Marli Miller, U. Oregon / Block Models by John Lewis, Colorado College 6

© Marli Bryant Miller. All rights reserved. This content is excluded from our CreativeCommons license. For more information, see http://ocw.mit.edu/help/faq-fair-use/.

Marli Miller, U. Oregon / Block Models by John Lewis, Colorado College 7

© Marli Bryant Miller. All rights reserved. This content is excluded from our CreativeCommons license. For more information, see http://ocw.mit.edu/help/faq-fair-use/.

© source unknown. All rights reserved. This content is excluded from our Creative

Commons license. For more information, see http://ocw.mit.edu/help/faq-fair-use/.

8

South)Fork)Eel)River,)California)–)1m)laser)alDmetry)from)NaDonal)Center)for)Airborne)Laser)Mapping)(NCALM))

500)m)

vegetaDonLfree)digital)topography)from)laser)alDmetry)(LiDAR))

Courtesy of NCALM at The University of Houston. Used with permission. 9

Hyperion Cassini imaging team NASA

Courtesy of NASA. Image in the public domain. Courtesy of NASA. Photograph in the public domain.

10

NASA Courtesy of NASA. Image in the public domain.

11

NASA

Courtesy of NASA. Images in the public domain.

12

Mathworks Geoid anomaly (m)

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Courtesy of The MathWorks, Inc. Used with permission. MATLAB and Simulink are registered trademarksof The MathWorks, Inc. See www.mathworks.com/trademarks for a list of additional trademarks. Otherproduct or brand names may be trademarks or registered trademarks of their respective holders.

NIMA/NASA GSFC

Courtesy of NASA. Image in the public domain.

14

GRACE Mission Courtesy of NASA. Image in the public domain.15

Courtesy of NOAA. Map in the public domain.16

Anderson & Anderson

Courtesy of NOAA. Figure in the public domain.

17

NASA Courtesy of NASA. Photograph in the public domain.

18

To first order, relief should be governed by isostasy.

Blackburn et al., in prep

Model: Lithosphere cools + HPE

Erosion rate � Relief [e.g., Braun, several papers] Isostatic equilibrium

3 crustal density scenarios

© source unknown. All rights reserved. This content is excluded from our CreativeCommons license. For more information, see http://ocw.mit.edu/help/faq-fair-use/. 19

20

Figures of elevation (m) and R (relief/root thickness) versus mountain belt formation age (Ma) removed due to copyright restrictions.

Claude)HillaireLMarcel,in)Anderson)&)Anderson)

Hudson)Bay)Paleoshorelines)Courtesy of Claude Hillaire-Marcel. Used with permission.

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12.001 Introduction to GeologyFall 2013

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