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Title Comment Keywords
Powering the Hydrologic Cycle 03:38 - 04:37 (00:59) / 2.3 MB "hydrologic cycle", "water cycle", weathering, erosion, "external heat engine"
Relationship Between the Earth's Heat Engines 04:37 - 05:15 (00:38) / 0.8 MB "heat engine", mountain, erosion
Why We Find Few Craters on Earth 07:56 - 08:17 (00:21) / 0.9 MB "impact crater", crater, Earth, erosion
Origins of Oceans 03:08 - 03:54 (00:46) / 0.5 MB ocean, "volcanic eruption", erosion, salt, "carbon dioxide", chlorine, "sulfur dioxide", sodium, magnesium
Coral Atolls 23:16 - 24:37 (01:21) / 1.0 MB "Tanya L. Atwater", Hawaii, seamount, guyot, "sea floor", island, erosion, wave, plate, "hot spot", "mid-oceanic ridge", "coral reef", "coral atoll"
Mountain Building and the Growth of Continents 30 minutes / n.a. orogeny, mountain, continent, erosion, crust, mantle, uplift, subduction, sediment, "metamorphic rock", craton, collision, "sedimentary rock", "ocean basin", lithosphere, "igneous rock", accretion
Introduction 00:40 - 01:49 (01:09) / 1.3 MB introduction, mountain, orogeny, crust, uplift, erosion, fault, volcano, plate, "James Sadd"
Center of Continents 02:12 - 02:44 (00:32) / 0.5 MB continent, craton, shield, "Canadian Shield", erosion, "North American Continent", "ice sheet", flatland, soil, "sedimentary rock", crust
Ancient Heart of North America 02:44 - 03:48 (01:04) / 1.9 MB "Canadian Shield", "Superior Province", craton, granulite, greenstone, "metamorphic rock", erosion, "volcanic rock", "sedimentary rock", "island arc"
Nature Recycles Materials 08:41 - 09:29 (00:48) / 0.8 MB "James Hutton", sediment, mountain, "sea floor", uplift, erosion, "plate tectonics", orogeny
The Rock Cycle 11:12 - 11:57 (00:45) / 1.1 MB sediment, continent, magma, mantle, subduction, "sea floor", volcanism, "sedimentary rock", "metamorphic rock", "igneous rock", "rock cycle", crust, erosion, orogeny
When Mountain Building Ends 18:25 - 19:36 (01:11) / 0.9 MB mountain, orogeny, "convergent plate margin", subduction, craton, fault, volcanism, erosion, uplift, "Gary Ernst"
Mountains Have Thick Crustal Roots 19:36 - 21:07 (01:31) / 1.7 MB "Eastern North America", "Appalachian Mountains", collision, erosion, mountain, orogeny, uplift, gravity, "Himalaya Mountains", crust, mantle, "convergent plate", compression, isostasy, "G. B. Airy"
The Rising Crust 21:07 - 22:10 (01:03) / 1.0 MB mountain, orogeny, erosion, uplift, mantle, crust, topography, isostasy
Isostatic Equilibrium 22:10 - 23:35 (01:25) / 1.3 MB isostasy, crust, gravity, mountain, orogeny, uplift, erosion, mantle, craton, "Jason Saleeby"
Mountains Mark the Growth of Continents 24:36 - 25:14 (00:38) / 0.9 MB mountain, continent, mantle, erosion, orogeny, isostasy, "plate tectonics", gravity
Dance of the Continents 25:14 - 26:48 (01:34) / 1.2 MB mountain, orogeny, continent, "oceanic crust", collision, subduction, "convergent plate margin", orogeny, erosion, "convergent plate", supercontinent, Alaska, "sea floor spreading", "strike-slip fault", "North American Continent", "Mediterranean Sea", "ocean basin", Africa, Europe, volcano, earthquake, "James Sadd"
Earth's Structures 30 minutes / n.a. deformation, structure, fold, unconformity, "tectonic activty", "geologic structure", fault, erosion, contact, earthquake, strata, "sedimentary rock", "sea level change", thrust, stress
Unconformities 16:25 - 17:32 (01:07) / 1.3 MB "James Sadd", "James Hutton", "geologic structure", unconformity, erosion, "sedimentary rock", contact
The Great Unconformity 17:32 - 18:26 (00:54) / 0.9 MB "James Sadd", "Grand Canyon", "geologic structure", unconformity, uplift, deformation, "tectonic activity", sandstone, "sea level change", erosion, "sedimentary rock", contact
Angular Unconformity 18:26 - 19:30 (01:04) / 1.2 MB "Dee Trent", "angular unconformity", "geologic structure", unconformity, erosion, uplift, "tilted bed", "sea level change", "tectonic activity", deposition, "Principle of Original Horizontality", sandstone, "sea level change", erosion, "sedimentary rock", contact
Angular Unconformity 18:26 - 19:30 (01:04) / 1.2 MB "Dee Trent", "angular unconformity", "geologic structure", unconformity, erosion, uplift, "tilted bed", "sea level change", "tectonic activity", deposition, "Principle of Original Horizontality", sandstone, "sea level change", erosion, "sedimentary rock", contact
Nonconformity 19:30 - 20:30 (01:00) / 1.4 MB "Dee Trent", nonconformity, unconformity, "geologic structure", erosion, "sea level change", "tectonic activity", deposition, "metamorphic rock", "igneous rock", "sea level change", erosion, "sedimentary rock", contact
Nonconformity 19:30 - 20:30 (01:00) / 1.4 MB "Dee Trent", nonconformity, unconformity, "geologic structure", erosion, "sea level change", "tectonic activity", deposition, "metamorphic rock", "igneous rock", "sea level change", erosion, "sedimentary rock", contact
Disconformity 20:30 - 21:02 (00:32) / 0.6 MB "Dee Trent", disconformity, unconformity, "geologic structure", erosion, "tectonic activity", deposition, erosion, "sedimentary rock", contact
Disconformity 20:30 - 21:02 (00:32) / 0.6 MB "Dee Trent", disconformity, unconformity, "geologic structure", erosion, "tectonic activity", deposition, erosion, "sedimentary rock", contact
Causes of Earthquakes 02:10 - 03:26 (01:16) / 1.7 MB "radioactive decay", heat, energy, plate, friction, lithosphere, earthquake, mountain, orogeny, uplift, erosion, river, water, flora, fauna
Force Building Land 05:12 - 06:06 (00:54) / 1.2 MB "James Hutton", land, erosion, life, stream, sand, gravel, sediment, "sedimentary rock", uplift, water
Unconformity 06:06 - 06:46 (00:40) / 0.9 MB "James Hutton", unconformity, uplift, erosion, land, Bible
Oceans Preserve Fossils 03:02 - 03:55 (00:53) / 1.4 MB "Dee Trent", fossil, erosion, "plate tectonics", "sedimentary rock", "terrestrial life", vertebrate, weathering, predation, scavenging
How Geologists Use Minerals 03:48 - 05:04 (01:16) / 1.4 MB "J. Lawford Anderson", mineral, geologist, geochronologist, "geologic age", rock, "radioactive element", "sedimentary petrologist", stratigrapher, sediment, "sedimentary rock", mountain, erosion, deformation, "igneous petrologist", "metamorphic petrologist", pressure, temperature, crystallization, magma, metamorphism, "plate tectonics", "structural geologist", magnetism, plate, "plate motion"
Tectonic Clues 20:52 - 22:15 (01:23) / 1.4 MB erosion, "tectonic activity", batholith, plutonic, weathering, "Sierra Nevada", California, pluton, intrusion, mountain, andesite, "volcanic arc", ocean, crust, Andes, subduction, "James Sadd"
Weathering and Soils 30 minutes / n.a. weathering, soil, "chemical weathering", water, rock, plant, erosion, "mechanical weathering", granite, agriculture, climate, "acid rain"
Mechanical Weathering 03:00 - 04:38 (01:38) / 2.3 MB "mechanical weathering", weathering, rock, "Earth's surface", "tectonic activity", joint, "pressure release", "granitic dome", Yosemite, crust, uplift, erosion, exfoliation
Tropical Soil 18:18 - 19:20 (01:02) / 2.1 MB weathering, soil, tropic, jungle, "fertile soil", agriculture, "rain forest", vegetation, humus, nutrient, tree, plant, leaching, forest, erosion, wasteland
Soil Management and Conservation 21:21 - 22:50 (01:29) / 2.7 MB "Wayne Soppeland", "Rick Aguayo", "Mojave Desert", soil, weathering, crop, erosion, water, "soil management", agriculture, "U.S. Soil Conservation Service", irrigation, "soil survey", farming
Wind Erosion 22:50 - 23:18 (00:28) / 0.7 MB "Wayne Soppeland", "Rick Aguayo", weathering, soil, erosion, wind, "soil management"
Windbreaks 23:18 - 24:00 (00:42) / 1.3 MB "Wayne Soppeland", weathering, soil, wind, erosion, windbreak, tree, farming, sand
Conservation Tillage 24:00 - 24:59 (00:59) / 1.9 MB "Wayne Soppeland", weathering, soil, wind, windbreak, erosion, "conservation tillage", tilling, percolation, water, crop, irrigation
Irrigation Management 24:59 - 26:24 (01:25) / 2.4 MB "Wayne Soppeland", "Rick Aguayo", weathering, soil, irrigation, water, farming, crop, "saline residue", erosion, tilling, "crop rotation", windbreak
Point Fermin 07:45 - 09:24 (01:39) / 2.3 MB "James Sadd", "Perry Ehlig", slump, "mass wasting", "Point Fermin", California, wave, erosion, "coastal bluff", slipping, over-steepening, speed, movement, block, landslide, "Coast Highway", "Paseo del Mar", beach
Lowering Water Table 14:04 - 15:04 (01:00) / 1.8 MB "Perry Ehlig", landslide, "Portuguese Bend", "Palos Verdes Peninsula", "mass wasting", "geologic hazard", "water table", well, movement, wave, erosion, base, gabion, shore
Sedimentary Rocks: The Key to Past Environments 30 minutes / n.a. "sedimentary rock", "clastic sediment", "sedimentary structure", sand, water, deposition, erosion, "depositional environment", time, river, lake
Sediment 02:31 - 03:22 (00:51) / 1.0 MB sediment, "mechanical weathering", "chemical weathering", erosion, wind, water, ice, "biological activity", sand, dune, beach, pebble, stream, shell, "sea floor", compaction, cementation, "sedimentary rock"
Weathering and Erosion 03:22 - 03:58 (00:36) / 0.6 MB "Dee Trent", crust, "igneous rock", "metamorphic rock", "sedimentary rock", "Earth's surface", weathering, erosion, "rock composition", "mechanical weathering", "chemical weathering", mineral
Sizes of Clastic Sediment 03:58 - 04:39 (00:41) / 1.0 MB "sedimentary rock", "clastic sediment", erosion, boulder, cobble, pebble, sand, silt, clay, "grain size"
Sedimentary Structures 11:49 - 12:27 (00:38) / 0.7 MB "Walter E. Reed", "sedimentary rock", "clastic sediment", "sedimentary structure", deposition, "depositional environment", erosion, transportation
Cross-Bedding 13:28 - 14:47 (01:19) / 1.4 MB "sedimentary rock", "clastic sediment", "Principle of Original Horizontality", "sedimentary structure", bedding, cross-bedding, lakebed, "sea floor", wind, sand, dune, "mineral color", "mineral composition", "sand bar", "stream delta", geologist, stream, deposition, erosion, velocity, water
Scour and Fill 21:02 - 22:08 (01:06) / 0.9 MB "Cathy Busby-Spera", "sedimentary rock", "clastic sediment", "sedimentary structure", "Ridge Basin", "scour and fill", "water velocity", sandstone, sand, erosion, "depositional environment", "pebbly sand", "rip up fragment", "fluctuating current", "river channel"
Conclusion 25:34 - 26:56 (01:22) / 1.2 MB "James Sadd", "sedimentary rock", "clastic sediment", "Grand Canyon", "Colorado River", sand, mud, "volcanic ash", "lava flow", "ocean basin", deformation, mountain, orogeny, "Mazatzal Mountains", erosion, uplift, limestone, shale, "sea level rise", flood, volcanism, deposition, unconformity, ocean, preservation
Conclusion 25:25 - 26:50 (01:25) / 1.5 MB "James Sadd", metamorphism, crust, "Earth's surface", "metamorphic rock", "oceanic crust", "metamorphic grade", fossil, life, "geologic time", "plate tectonics", mountain, erosion, ocean, continent, temperature, pressure, collision, "convergent plate margin", subduction, melting, magma
Running Water I: Rivers, Erosion and Deposition 30 minutes / n.a. river, sediment, discharge, stream, river channel, erosion, transportation, "flow velocity", deposition, energy, flood, slope
Rivers On Landscape 02:43 - 03:15 (00:32) / 0.6 MB river, landscape, canyon, valley, meadow, delta, erosion, transportation, deposition, sediment
Velocity of Water 03:15 - 04:00 (00:45) / 1.3 MB "Dee Trent", river, stream, "water velocity", erosion, transportation, discharge, sediment, slope, gradient, "river channel", friction, energy
Flow Velocity 05:09 - 05:46 (00:37) / 1.7 MB "James Sadd", river, transportation, erosion, sediment, ocean, "flow velocity", energy, slope, gradient
Abrasion 06:18 - 06:45 (00:27) / 1.0 MB "James Sadd", river, stream, abrasion, "rapid current", sediment, scouring, bedrock, energy, "river channel", cobble, erosion, "flow velocity"
Dissolution 06:45 - 07:10 (00:25) / 1.5 MB "James Sadd", river, stream, dissolution, erosion, "mineral composition", bedrock, limestone, granite, temperature, acid, "flow velocity"
Bed Load 07:10 - 08:20 (01:10) / 1.9 MB "James Sadd", "Douglas D. Rhodes", river, stream, erosion, sediment, bedrock, "bed load", crust, transportation, discharge, "flow velocity", "grain shape", "grain size", "grain composition", gravel, cobble, boulder, "traction load"
River Bars 09:17 - 10:02 (00:45) / 0.8 MB "James Sadd", river, stream, discharge, "flow velocity", turbulence, energy, erosion, transportation, sediment, deposition, "river channel", bar, sand, gravel, ripple
Point Bars and Cut Banks 10:02 - 10:58 (00:56) / 0.8 MB river, bar, "braided stream", sediment, erosion, deposition, meander, valley, lowland, bank, "flow velocity", "point bar", "cut bank", slope, gradient
Dams 14:42 - 15:41 (00:59) / 1.3 MB "Douglas D. Rhodes", river, flood, dam, discharge, valley, stream, deposition, erosion, lake, sediment, reservoir, "river channel"
Equilibrium 15:41 - 16:28 (00:47) / 1.0 MB "Douglas D. Rhodes", river, erosion, transportation, deposition, mountain, equilibrium, stream, "bed load", discharge, energy, "flow velocity", bank, bed
Mississippi River 16:28 - 17:56 (01:28) / 1.5 MB river, humans, equilibrium, "Mississippi River", "United States", erosion, deposition, sediment, Minnesota, "Gulf of Mexico", bar, commerce, "New Orleans", "Baton Rouge", "North American Continent", "U.S. Army Corps of Engineers", "Red Eye Crossing", "river channel"
Running Water II: Landscape Evolution 30 minutes / n.a. river, "Mississippi River", sediment, valley, stream, landscape, erosion, dam, flow-rate, flood, deposition
Influence of Running Water 01:58 - 02:48 (00:50) / 0.7 MB "James Sadd", "Colorado River", continent, energy, river, "river channel", erosion, sediment, valley, "mass wasting", landform, slope
Rivers and Valleys 02:48 - 03:46 (00:58) / 1.2 MB "Douglas D. Rhodes", river, valley, geologist, "mass wasting", sediment, stream, erosion, slope, "base level", degradation, "flow velocity", sea, "sea level"
Landscape Maturity 04:30 - 05:47 (01:17) / 1.8 MB "Douglas D. Rhodes", landscape, mature, uplift, stream, valley, slope, youthful, energy, erosion, "base level", degradation, floodplain, peneplain, "old age"
Rock Type, Rock Structure, and Climate 05:47 - 06:58 (01:11) / 1.5 MB "William Morris Davis", geologist, uplift, erosion, landscape, modeling, "tectonic activity", "rock type", structure, climate, fold, fault, sand, clay, "Earth's surface", slope, "Grand Canyon", "sedimentary rock", weathering, arid, vegetation, canyon, time
River Drainage Patterns 06:58 - 08:02 (01:04) / 2.2 MB "Douglas D. Rhodes", "rock type", structure, river, "drainage pattern", stream, geologist, "sedimentary rock", "dendritic pattern", fracture, fault, "intersecting pattern", "trellis pattern", erosion, slope, valley
Rejuvenation 08:02 - 09:07 (01:05) / 1.2 MB "Dee Trent", stream, river, landscape, erosion, uplift, "base level", geologist, rejuvenation, landform, "stream terrace", valley, meander, floodplain
Terraces 09:07 - 09:31 (00:24) / 0.4 MB "stream terrace", climate, river, stream, "sedimentary rock", transportation, erosion, slope
Holding Its Course 13:01 - 14:27 (01:26) / 1.6 MB "Nancy Powell", "Mississippi River", river, "stream course", "river channel", "river bed", bank, "U.S. Army Corps of Engineers", flood, levee, commerce, "Baton Rouge", "New Orleans", "fresh water", erosion
Flashflooding 10:22 - 11:06 (00:44) / 1.0 MB desert, landform, rainfall, precipitation, flashflooding, erosion, transportation, sediment, canyon, deposition, mountain, "alluvial fan", environment
Desert Pavement 16:09 - 16:42 (00:33) / 1.5 MB desert, "desert pavement", wind, silt, dust, rock, gravel, erosion
Introduction to Glaciers 00:40 - 01:38 (00:58) / 1.5 MB introduction, "James Sadd", landscape, glacier, mountain, Alps, "Himalaya Mountains", Rockies, "Yosemite Valley", "Sierra Nevada", river, valley, lake, "North American Continent", "Great Lakes", loch, Scotland, agriculture, soil, China, "Soviet Union", Canada, "glacial ice", rock, silt, transportation, wind, "fertile soil", erosion
Transportation Agent 08:59 - 10:05 (01:06) / 2.3 MB "J. Lawford Anderson", "glacial advance", "glacial retreat", glacier, "glacial ice", "glacial melt", "glacial flow", rock, silt, "mechanical weathering", bedrock, erosion, "glacial polish", topography, stream, snout
Erosive Power of Glaciers 10:05 - 10:56 (00:51) / 1.5 MB glacier, erosion, "glacial ice", "glacial polish", "glacial flow", bedrock, "glacial melt", grit, striation, valley, "valley profile", stream
Till 10:56 - 11:39 (00:43) / 1.2 MB glacier, "glacial ice", "glacial melt", till, erosion, deposition, "end moraine", "lateral moraine", "medial moraine", snout
Sea Level Drop 15:37 - 16:41 (01:04) / 1.1 MB "J. Lawford Anderson", "Ice Age", glacier, landscape, coastline, ocean, "sea level", continent, stream, erosion, river, "glacial melt", discharge, flood, valley, inlet, harbor, estuary, sediment
Waves, Beaches and Coasts 30 minutes / n.a. beach, wave, erosion, energy, sediment, sand, "geologic hazard", ocean, coastline, coast, current
Straightening Coastlines 08:28 - 09:09 (00:41) / 0.7 MB wave, refraction, headland, bay, energy, erosion, deposition, shoreline, sediment, sand
Source of Sand 09:09 - 10:43 (01:34) / 2.0 MB "Thomas Hartnett", erosion, headland, sand, beach, sediment, ocean, river, stream, wave, coastline, surf, "swash zone", gravity, "long-shore current"
Seasonal Changes 12:04 - 12:59 (00:55) / 1.1 MB "Thomas Hartnett", beach, sand, "long-shore current", season, wave, energy, transportation, "sand wave", storm, deposition, erosion
Mountains and Rivers 12:59 - 13:34 (00:35) / 0.7 MB "James Sadd", beach, sediment, deposition, erosion, transportation, shoreline, mountain, river, weathering, rock, "long-shore current", breakwater, human
Severe Storms 14:34 - 15:30 (00:56) / 1.6 MB storm, wave, coastline, erosion, humans, "sea cliff", beach, seawall, energy, "geologic hazard"
Seawalls 15:30 - 16:26 (00:56) / 1.0 MB "J. Lawford Anderson", seawall, beach, erosion, coastline, "geologic hazard", sand, sediment, cliff
Beach Erosion 16:26 - 17:12 (00:46) / 1.0 MB "Scott Jenkins", seawall, energy, wave, beach, erosion, sand, "Scripps Institution of Oceanography", "Scott Jenkins", "Scripps Center for Coastal Studies", breakwater, environment
Models Test Design 17:12 - 18:16 (01:04) / 1.8 MB "Scott Jenkins", "wave tank", modeling, breakwater, "wave height", energy, data, "sea cliff", "coral reef", erosion, beach, "Scripps Institution of Oceanography", "Scripps Center for Coastal Studies"
Natural Processes 18:16 - 19:38 (01:22) / 1.7 MB "Scott Jenkins", "Scripps Institution of Oceanography", "Scripps Center for Coastal Studies", seawall, environment, shoreline, preservation, erosion, sediment, dam, equilibrium, energy, human
Transporting Sediment Around Dams 19:38 - 20:32 (00:54) / 1.2 MB "Scott Jenkins", "Scripps Institution of Oceanography", "Scripps Center for Coastal Studies", transportation, sediment, dam, beach, erosion, technology, season, "Southern California", lake, sand, foreshore, delta, "lake level", stream
Sand as a Public Resource 20:32 - 21:35 (01:03) / 1.2 MB "Scott Jenkins", "Scripps Institution of Oceanography", "Scripps Center for Coastal Studies", technology, engineering, transportation, sand, dam, erosion, mining, resource, beach
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