GEO 1111 Lecture 15: Lecture 15- Water hydrology and streams
19 Aug 2016
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It"s o(cid:374) the lip of the mi(cid:272)higa(cid:374) (cid:271)asi(cid:374), the es(cid:272)ap(cid:373)e(cid:374)t is the edge of a sedi(cid:373)e(cid:374)tary (cid:271)asi(cid:374), (cid:272)reated due to differential weathering. Clay minerals are most abundant product of weathering, formed when silicate minerals decompose by hydrolysis. Mineral stability- most stable in the environment it was formed. Anything that was formed first from the bowen reaction series is the least stable. Those that were formed in environments similar to the earths surface are the last to weather: energy source: sun evaporates the water. Bringing huge amounts into the atmosphere where itll precipitate back into oceans or land. Annual water balance: stream runoff = input-losses (rain/slow evapotranspiration- plants) Can be scaled with catchment size (can take runoff concepts and scale it like precipitation) Water balance : inputs and outputs per time. Residence time- in 0. 5 years it would drain. (with no input) Or if it were empty- 0. 5 years to fill it. But due to steady states we do(cid:374)"t see that.
