安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Types of Lava - Pahoehoe and Aa - Science Notes and Projects
When you see lava flow or walk on old lava, the two types of flows are pahoehoe and a’a Pahoehoe (meaning “smooth lava in Hawaiian) is smooth, undulating, or ropey
- Pāhoehoe and ʻAʻā Lava | Big Island Hawaii | Facts and Trivia
Pāhoehoe and ʻaʻā are both Hawaiian words that are used worldwide to describe these kinds of lava ʻAʻā translates into “stony rough lava”, but also to “burn, blaze, glow” or “fire” Pāhoehoe means “smooth, unbroken lava” Pahoehoe lava partially covers A’a lava in the Hawaii Volcanoes National Park
- Pahoehoe | Volcano World | Oregon State University
The advancing front of a pahoehoe flow consists of hundreds or thousands of active toes Each stops flowing after a few minutes and becomes inflated (with lava) as the eruption continues
- Volcano Watch — Pāhoehoe and ‘a‘ā lava flows
Once cooled, pāhoehoe and ‘a‘ā are easily identifiable by their characteristic textures Pāhoehoe has a smooth, billowy, ropy surface and has at times been likened to the surface texture of a pan of chocolate brownies On the other hand, ‘a‘ā has a rough, jagged and clinkery surface
- Pahoehoe | lava flow | Britannica
Pahoehoe lava flows are characterized by smooth, gently undulating, or broadly hummocky surfaces The liquid lava flowing beneath a thin, still-plastic crust drags and wrinkles it into tapestry-like folds and rolls resembling twisted rope
- Lava Flow Forms - U. S. National Park Service
The etymology of pāhoehoe shows that it relates to the Hawaiian word “hoe,” meaning to paddle and probably refers to the swirling eddies produced in water by paddle strokes that look similar to the ropy surfaces on pāhoehoe lava flows ‘A‘ā likely relates to the Hawaiian word for fire
- Lava - Wikipedia
Pāhoehoe (also spelled pahoehoe, from Hawaiian [paːˈhoweˈhowe] [61] meaning "smooth, unbroken lava") is basaltic lava that has a smooth, billowy, undulating, or ropy surface
- One moment, please. . . - Geology Base
One moment, please Please wait while your request is being verified
|
|
|