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28 Cards in this Set
- Front
- Back
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Active radar |
A device to emit and recapture long wave radiation |
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A multispectral satellite |
Receives and records the strength of radiation in different wave bands |
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Photogrammetry |
Uses photographs to reconstruct geometry |
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A laser scanner (Lidar) |
Emits and recaptures laser beams |
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Geographic information systems (GIS) |
Stores map data is layers |
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A geographic positioning system (GPS) |
uses satellite locations to determine geographic locations |
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Ecosystem |
A functioning, interacting system composed of 1 or more living organisms and their effective environment, both physical and biological |
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Biosphere |
The biological component of Earth systems |
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Kinetic energy |
A type of energy relating to movement |
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Potential energy |
Pent up energy relating to gravity (capacity to fall) or a spring |
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Open system |
matter enters or leaves the system |
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Closed system |
matter does not enter or leave the system |
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Positive feedback |
Tending to enhance the state of change |
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Negative feedback |
Tending to revert back to the original state |
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Autotroph |
Energy producer, as in it can do photosynthesis/chemosynthesis |
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Heterotroph |
Gets nutrients by feeding on the tissues of producers/other consumers |
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Decomposer |
Bacteria and fungi- break down dead biomass |
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Photosynthesis |
The energy of the sun is used to convert carbon dioxide and water into simple carbohydrates, releasing oxygen as a by product |
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Chemosynthesis |
Synthesis of organic compounds by energy derived from chemical reactions |
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Respiration |
Carbohydrate reacting with oxygen to produce energy, as well as carbon dioxide and water as by-products |
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Productivity |
Creation of new biomass from photosynthesis |
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Net productivity |
Plant biomass remaining after energy losses from respiration |
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Biomass |
Plant or animal material |
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Ecological efficiency |
amount of energy transferred from a trophic level to the next |
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Trophic level |
Position on a food chain, such as primary producer or consumer |
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Food web |
Combinations of different trophic levels in an ecosystem |
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Ecological pyramid |
organism size/biomass and consumption in a food web |
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Biological concentration |
toxins accumulate in higher food web organisms |
