Hydrologic Cycle

1. Runoff
2. Infiltration
3. Evaporation & Transpiration

Streams

1. Longitudinal Profile
   1. Head waters
   2. Mouth
2. Cross Profile = Cross-section

Scale of the River System

1. Drainage Basin
2. Drainage Divide
3. Drainage Patterns (Self Quiz Link)
   1. Dendritic Pattern
   2. Radial Pattern
   3. Trellis or Lattice Pattern
   4. Rectangular Pattern

Factors of Stream Erosion and Deposition

1. Velocity
   1. Stream Gradient
   2. Erosion vs. Deposition
2. Discharge
3. Base Level
   1. Ultimate Base Level
   2. Local Base Level
4. Graded Stream

Stream Erosion

1. Hydraulic Action
2. Solution
3. Abrasion
4. Abrasion
   • Potholes

Stream Transport

1. Load of the Stream (Self Quiz Link)
   1. Bed Load
      1. Traction
      2. Saltation
   2. Suspended Load
   3. Dissolved Load
2. Measure of Transport
   1. Capacity
   2. Competence

Dynamics of Stream Flow

1. Laminar Flow
2. Turbulent Flow

Stream Deposits and Erosional Features

1. Bars
2. Meandering Streams
   1. Point Bar
   2. Meander Cut-off
   3. Oxbow Lake
3. Braided Streams
4. Floodplain
   1. Natural Levee
   2. Yazoo Tributary
   3. Man-made Levees
5. Deltas
   1. Formation of the Delta
      1. Distributary channels
      2. Parts of the Delta
         1. Foreset beds
         2. Bottomset bed
         3. Topset bed
   2. Types of Deltas
      1. Arcuate
      2. Bird-foot
      3. Cuspate
6. Alluvial Fan
7. Lateral Erosion
   • Stream Terraces
8. Base Level Rise
   • Incised Meanders
9. Floods

Stages of Stream Development

1. Youthful
   • V-shaped valley
2. Mature
3. Old Age
4. Rejuvenated