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DISL HS W1 P2
Dauphin Island Sea Lab Discovery Hall High School Program Week 1 part 2
| Question | Answer |
|---|---|
| What does water do | Necessity of life, Insulator, Universal Solvent, Helps drive homeostasis |
| An area of land that drains to a particular body of water | Watershed |
| A solid that becomes part of solution | Dissolved Matter |
| Solids that stay separate from solution | Particulate Matter |
| What are water's physical properties | Temperature Turbidity Color |
| What are water's chemical properties | Salinity Alkalinity pH Dissolved Oxygen Nutrients |
| What are water's biological properties | Indicator species Bacteria . |
| The condition of the water, including physical, chemical, and biological properties | Water Quality |
| something brought into the environment that has a harmful effect | Pollution |
| Pollution where you can tell the source | Point Source Pollution |
| Pollution where you cannot tell the source | Non-point Source Pollution |
| Excessive richness of nutrients in a lake or other body of water, which causes a dense growth of plant life and death of animal life from lack of oxygen | Eutrophication |
| what are some water parameters | Water and air temperature Dissolved oxygen pH/Alkalinity Turbidity Nutrients Nitrates and phosphates |
| The measure of ability of a substance to transfer heat to another physical system | Temperature |
| amount of gaseous oxygen (O2) is in the water | Dissolved Oxygen |
| the measure of the level of acidity in the water | pH |
| The optimal pH range for aquatic life is | 6.5 - 8.5 |
| measure of scattering light through water by materials in suspension or solution | Turbidity |
| measure of the ability to conduct electricity | Conductivity |
| measure of concentration of dissolved salts in the water | Salinity |
| Example of Drowned Dune ridge? | Dauphin Island |
| Emergence by Waves (Sand Bar Build-up Theory) ◦ Sediment deposition ◦ Offshore shoals were built upwards by waves, eventually emerging above the ocean surface as barrier islands | Dune Ridge Theory |
| waves cause sediment to build up on sandbar | Sand Bar Build-Up Theory |
| spits break away from the mainland | Spit Theory |
| Some barrier islands are thought to have formed from old eroding and subsiding deltas – waves shift and move sediment deposits – and some areas sink, leaving barrier islands. | Eroding and Subsiding Deltas |
| examples of Eroding and Subsiding Deltas | Chandelier Islands |
| A place on a barrier island where water from the “ocean” washes across to the sound side during a large storm | Over wash Zone |
| the destruction or wearing away by wind, water or other natural elements | erosion |
| what are contributors to erosion | Loss of sand ◦ Natural events ◦ Sea level rise ◦ Human activities |
| hard structures to manage erosion | Seawalls, breakwaters, jetties, groins |
| Photic or Epipelagic zone aka sunlight zone size | less than 200 meters |
| Twilight or Mesopelagic zone size | 200 - 1000 meters in depth |
| a process in living organisms involving the production of energy; intake of oxygen and the release of carbon dioxide | Respiration |
| Midnight or Bathypelagic zone size | 1,000 - 4,000 meters in depth |
| Abyssopelagic zone | 4,000 - 6,000 m in depth |
| Hadalpelagic zone | 6,000 - 11,000 m in depth |
| HOVs | Human Occupied Vehicles |
| ROVs | Remotely Operated Vehicles |
| AUV | Autonomous Underwater Vehicles |
| HROVs | Hybrid Remotely Operated Vehicles |
| What is the first water layer | Photic or Epipelagic zone |
| What is the second water layer | Twilight or Mesopelagic zone |
| What is the third water layer | Midnight or Bathypelagic zone |
| What is the fourth water layer | Abyssopelagic zone |
| What is the fifth water layer | Hadalpelagic zone |
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