Matches in SemOpenAlex for { <https://semopenalex.org/work/W3005230416> ?p ?o ?g. }
- W3005230416 abstract "Rock outcrops are widespread across the surface of the earth, particularly in karst environments, and they play an important role in infiltration-runoff processes by triggering preferential flow. However, the characteristics of the preferential flow network at the soil–rock interface and its influencing factors in karst areas remain poorly understood. To clarify how the emergence of outcrops on the land surface affects soil infiltrability and water flow behavior, soil hydraulic conductivity (K) measurements and dye tracing experiments were conducted in a karst area with two contrasting surface features (i.e., rock outcrop plot [RP] and non-rock-outcrop plot [NRP]) in Yunnan Province, Southwest China. Results showed that (i) in the immediate vicinity of rock outcrops in the RP, K values were significantly increased, and other soil properties and plants were also improved when compared with results 1 m away from outcrops and in the NRP; and (ii) in the RP, the soil–rock interface dominated the preferential flow network surrounding outcrops, and the connected conduits produced by plant roots and soil fauna were also involved in this infiltration process. Matrix flow was the dominant flow behavior in the NRP. We concluded that rock outcrops, by improving soil properties and building a well-connected preferential flow network, can greatly change infiltrability and water flow behavior in karst soil. This implied that outcrops will facilitate quick infiltration after most rainfall events and thus reduce rain-induced surface runoff and soil erosion, as well as increasing groundwater recharge and the water supply to nearby plants." @default.
- W3005230416 created "2020-02-14" @default.
- W3005230416 creator A5011145346 @default.
- W3005230416 creator A5012861006 @default.
- W3005230416 creator A5042827106 @default.
- W3005230416 creator A5047991045 @default.
- W3005230416 date "2020-01-01" @default.
- W3005230416 modified "2023-10-18" @default.
- W3005230416 title "Rock outcrops change infiltrability and water flow behavior in a karst soil" @default.
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