3 sources 1) Internal Earth Energy - throws up the mountains, rifts continents apart, opens ocean basins, foments volcanoes 2) Gravity - inexorably pulls everything down 3) Solar Energy - drives the fluid bulldozers by stirring up wind and water and pouring rain all over the landscape Two kinds of geomorphic environments: 1) High-energy environments a) Erosion and transport of eroded materials b) Steep slopes - maximizes effect of gravity c) Large volumes of wind, running water, and moving ice d) High velocities of wind, water, (relatively) ice Examples: Himalayan Mountains Rivers in flood Hurricanes Windward Coasts -- Na Pali &amp; Molokai 2) Low-energy environments a) Sediments acculumate b) Virtually flat -- minimal effect of gravity c) Little wind, running water, or moving ice d) Wind, water, and ice at rest Examples: Lake bottoms Lagoons Calm weather Sheltered valleys Densely vegetated surfaced At human scale, most of what we see are the result of nature's fluid bulldozers;
(Solar Energy; drives; the fluid bulldozers; by stirring up wind and water and pouring rain all over the landscape Two kinds of geomorphic environments: 1) High-energy environments a) Erosion and transport of eroded materials b) Steep slopes - maximizes effect of gravity c) Large volumes of wind, running water, and moving ice d) High velocities of wind, water, (relatively) ice Examples: Himalayan Mountains Rivers in flood Hurricanes Windward Coasts -- Na Pali &amp; Molokai 2) Low-energy environments a) Sediments acculumate b) Virtually flat -- minimal effect of gravity c) Little wind, running water, or moving ice d) Wind, water, and ice at rest Examples: Lake bottoms Lagoons Calm weather Sheltered valleys) (Lake bottoms Lagoons Calm weather Sheltered valleys; vegetated surfaced; ) (foments; volcanoes; 2) (most of what we see; are; the result of nature's fluid bulldozers) (Sediments; acculumate; ) (Gravity; inexorably pulls; everything down 3) Solar Energy - drives the fluid bulldozers by stirring up wind and water and pouring rain all over the landscape Two kinds of geomorphic environments: 1) High-energy environments a) Erosion and transport of eroded materials b) Steep slopes - maximizes effect of gravity c) Large volumes of wind, running water, and moving ice d) High velocities of wind, water, (relatively) ice Examples: Himalayan Mountains Rivers in flood Hurricanes Windward Coasts -- Na Pali &amp; Molokai 2) Low-energy environments a) Sediments acculumate b) Virtually flat -- minimal effect of gravity c) Little wind, running water, or moving ice d) Wind, water, and ice at rest Examples: Lake bottoms Lagoons Calm weather Sheltered valleys Densely vegetated surfaced At human scale, most of what we see are the result of nature's fluid bulldozers;; down 3) (we; see; )
Solar Energy Lake bottoms Lagoons Calm weather Sheltered valleys foments most of what we see Sediments Gravity we
drives vegetated surfaced volcanoes are acculumate inexorably pulls see
the fluid bulldozers by stirring up wind and water and pouring rain all over the landscape Two kinds of geomorphic environments: 1) High-energy environments a) Erosion and transport of eroded materials b) Steep slopes - maximizes effect of gravity c) Large volumes of wind, running water, and moving ice d) High velocities of wind, water, (relatively) ice Examples: Himalayan Mountains Rivers in flood Hurricanes Windward Coasts -- Na Pali &amp Molokai 2) Low-energy environments a) Sediments acculumate b) Virtually flat -- minimal effect of gravity c) Little wind, running water, or moving ice d) Wind, water, and ice at rest Examples: Lake bottoms Lagoons Calm weather Sheltered valleys
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the result of nature's fluid bulldozers
everything down 3) Solar Energy - drives the fluid bulldozers by stirring up wind and water and pouring rain all over the landscape Two kinds of geomorphic environments: 1) High-energy environments a) Erosion and transport of eroded materials b) Steep slopes - maximizes effect of gravity c) Large volumes of wind, running water, and moving ice d) High velocities of wind, water, (relatively) ice Examples: Himalayan Mountains Rivers in flood Hurricanes Windward Coasts -- Na Pali &amp Molokai 2) Low-energy environments a) Sediments acculumate b) Virtually flat -- minimal effect of gravity c) Little wind, running water, or moving ice d) Wind, water, and ice at rest Examples: Lake bottoms Lagoons Calm weather Sheltered valleys Densely vegetated surfaced At human scale, most of what we see are the result of nature's fluid bulldozers; down 3