Lava flow lecture long
-
Upload
uhhconferencecenter -
Category
Technology
-
view
129 -
download
1
description
Transcript of Lava flow lecture long
![Page 1: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/1.jpg)
What is Lava?
Molten rock erupted to the Earth’s (or other planet’s) surface.
![Page 2: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/2.jpg)
BASALTIC LAVA FLOWS
Why should I care?
![Page 3: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/3.jpg)
![Page 4: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/4.jpg)
![Page 5: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/5.jpg)
Craters of the Moon
Lava Flows Are Mostly Considered An Oddity
![Page 6: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/6.jpg)
75% of Earth’s Crust is LavaMost of it is beneath the oceans
![Page 7: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/7.jpg)
Pāhoehoe and ‘A‘ā
![Page 8: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/8.jpg)
‘A‘ā Lava Flows
![Page 9: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/9.jpg)
![Page 10: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/10.jpg)
![Page 11: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/11.jpg)
![Page 12: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/12.jpg)
![Page 13: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/13.jpg)
![Page 14: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/14.jpg)
![Page 15: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/15.jpg)
Pāhoehoe Flows
![Page 16: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/16.jpg)
![Page 17: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/17.jpg)
![Page 18: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/18.jpg)
![Page 19: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/19.jpg)
Pāhoehoe Sheet Flows
![Page 20: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/20.jpg)
![Page 21: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/21.jpg)
![Page 22: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/22.jpg)
May 1990
![Page 23: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/23.jpg)
![Page 24: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/24.jpg)
![Page 25: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/25.jpg)
![Page 26: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/26.jpg)
![Page 27: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/27.jpg)
![Page 28: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/28.jpg)
Shelly Pahoehoe
![Page 29: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/29.jpg)
![Page 30: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/30.jpg)
![Page 31: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/31.jpg)
Pāhoehoe to ‘A‘ā Transition
![Page 32: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/32.jpg)
![Page 33: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/33.jpg)
![Page 34: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/34.jpg)
WHY THE DIFFERENCE?
Lava Flows consist of a Fluid and Crust
• FLUID ––Viscosity or Stickiness of the Lava– Affected by temperature, water, composition
• CRUST––Shear Strain Rate or Tearing Force– Affected by ground slope and amount of lava
![Page 35: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/35.jpg)
![Page 36: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/36.jpg)
![Page 37: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/37.jpg)
![Page 38: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/38.jpg)
![Page 39: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/39.jpg)
![Page 40: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/40.jpg)
![Page 41: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/41.jpg)
‘A‘ā Flow Front
![Page 42: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/42.jpg)
![Page 43: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/43.jpg)
![Page 44: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/44.jpg)
![Page 45: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/45.jpg)
![Page 46: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/46.jpg)
Pāhoehoe Flows
![Page 47: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/47.jpg)
Kapoho 1960
![Page 48: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/48.jpg)
![Page 49: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/49.jpg)
![Page 50: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/50.jpg)
![Page 51: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/51.jpg)
August 1990
![Page 52: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/52.jpg)
![Page 53: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/53.jpg)
December 1990
![Page 54: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/54.jpg)
1984 Eruption
![Page 55: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/55.jpg)
April 1990
![Page 56: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/56.jpg)
June 1990
![Page 57: Lava flow lecture long](https://reader037.fdocuments.net/reader037/viewer/2022102814/5498097cb4795935418b475b/html5/thumbnails/57.jpg)
Pu‘u ‘Ō‘ō Flow Field