Term
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Definition
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Term
| When influx = outflux, residence time can be calculated by: |
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Definition
| Total divided by influx/outflux value |
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Term
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Definition
1. State conservation equation
2. Define control volume (total)
3. Identify all inputs and outputs |
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Term
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Definition
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Term
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Definition
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Term
| Soil horizons, uppermost to lowermost: |
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Definition
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Term
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Definition
| Top layer. organic matter, fresh litter, humus |
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Term
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Definition
| Second layer. Mix of organic and mineral matter. |
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Term
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Definition
| Third layer. Leeched, or elluviated. Acids pass through. |
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Term
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Definition
| Fourth layer. Accumulation zone. |
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Term
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Definition
| Fifth layer. Slightly chemically altered regolith. |
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Term
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Definition
| Bottom layer. Original regolith. |
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Term
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Definition
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Term
| Five soil-forming factors: |
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Definition
1. Organisms present
2. Type of regolith
3. Climate: precip/evap, temp.
4. Slope of landscape
5. Age of landscape |
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Term
| Leeching is often seen in ___ climates. |
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Definition
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Term
| Wet climates produce _____ soils. |
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Definition
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Term
| Dry climates produce _____ soils. |
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Definition
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Term
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Definition
| Glaciers roll over landscape, forming streams. Streams deposit sediment (silts and clays). |
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Term
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Definition
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Term
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Definition
N+1/M
N=number of years on record
M=magnitude ranking |
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