Tri-Variate Relationships among Vegetation, Soil, and Topography along Gradients of Fluvial Biogeomorphic Succession

Kim, Dae Hyun; Kupfer, John A.

doi:10.1371/journal.pone.0163223

Cited by 16 publications

(15 citation statements)

References 77 publications

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“…A central theme in place–space physical geography is interaction among the processes and patterns of gases, liquids, minerals, and their combination in more complex biological structures (i.e., life) – more commonly represented as interactions of the domains of atmosphere, hydrosphere, lithosphere, and biosphere (Malanson et al, 2014). Physical geography works in both directions along a continuum from reductionist analyses across multiple places of the fundamental processes for a particular domain to combining the domains to holistically characterize place(s) (Kim and Kupfer, 2016) at scales from sub-meters to global.…”

Section: Importance Of Spatial Variability and Place-dependencementioning

confidence: 99%

Physical geography contributes

Harden

Luzzadder–Beach²,

MacDonald

et al. 2020

Progress in Physical Geography: Earth and Environment

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Physical geography is a process, conducted by people, of integration and synthesis of ideas and observations to advance scientific understanding of Earth’s surface and atmosphere and to apply this knowledge to the greater good of the planet and its people. Therefore, physical geography matters; that is, physical geography makes a difference to people and contributes to environmental decision making at various scales. Based upon presentations and discussion at the 2019 AAG Annual Meeting (see editorial above in this issue), we provide here a historical perspective and distillation of how and why, in our opinions, physical geography matters. Although we provide several specific examples, these represent only a small portion of the large body of excellent and relevant physical geography research.

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Section: Importance Of Spatial Variability and Place-dependencementioning

confidence: 99%

Physical geography contributes

Harden

Luzzadder–Beach²,

MacDonald

et al. 2020

Progress in Physical Geography: Earth and Environment

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“…The overlapping pattern formed by vegetation and micro-topography is the result of the long-term interaction and co-evolution of these two factors [22,23], which together determine the runoff path structure of the slope unit, and enhance or weaken the water blocking capacity of the landscape system, thereby changing the intensity and distribution of runoff [24]. Therefore, it was difficult to fully reveal the influence of complex underlay on the runoff process if the difference in the runoff generation was only attributed to the vegetation pattern without considering the overlapping pattern formed by vegetation and micro-topography.…”

Section: Introductionmentioning

confidence: 99%

Effects of Underlay on Hill-Slope Surface Runoff Process of Cupressus funebris Endl. Plantations in Southwestern China

Shi

2021

Forests

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Clarifying the impact of underlay (i.e., the combination of near-surface vegetation and surface micro-topography) on the surface runoff process would provide a significant theoretical basis for the adjustment of vegetation patterns and the control of soil erosion on steep slopes in mountainous areas of southwestern China. In the current study, the runoff process under different rainfall characteristics was observed based on 10 natural runoff plots, and the correlation between the spatial pattern of cypress (Cupressus funebris), micro-topography, and runoff characteristic parameters was tested using the Pearson correlation coefficient method. The coupling effects of the spatial pattern of cypress and micro-topography on surface runoff also were analyzed using the Response Surface Method (RSM). The results showed that (1) under the conditions of long-duration moderate rainfall or long-duration rainstorm, topographic relief, surface roughness, runoff path density, contagion index of cypress, and stand density of cypress were the main reasons for the difference in the peak flow of each runoff plot, while under the condition of the short-duration rainstorm, the factors previously mentioned were no longer the dominant factors; (2) under the conditions of long-duration heavy rainfall or long-duration rainstorm, the common laws reflected by the response of the peak flow to the composite index of the spatial pattern of cypress and micro-topography were that (1) when the composite index of the spatial pattern of cypress (V) was below 21 and the composite index of micro-topography (U) was below 10.5, the peak flow would not be significantly affected; (2) when U > 10.5, increasing the composite index of the spatial pattern of cypress within a certain range would promote peak flow; (3) when U < 7.5 and V > 18, the increase of V value could significantly reduce the peak flow, and on this basis, adjusting the V value to 41, the reduction rate of peak flow could reach 84%.

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“…The overlapping pattern formed by vegetation and micro-topography is the result of the long-term interaction and co-evolution of these two factors (Saco and Mariano, 2013;Kim and Kupfer, 2016), which together determine the runoff path structure of the slope unit, and enhance or weaken the water blocking capacity of the landscape system, thereby changing the intensity and distribution of runoff (Slattery and Burt, 2015). Therefore, it was difficult to fully reveal the influence of complex underlay on the runoff process if the difference in the runoff generation was only attributed to the vegetation pattern without considering the overlapping pattern formed by vegetation and micro-topography.…”

Section: Introductionmentioning

confidence: 99%

Effects of underlay on hill-slope surface runoff process under different rainfall intensities

Wu¹,

Shi²

2020

Preprint

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Clarifying the impact of underlay (i.e., the combination of understory vegetation and surface micro-topography) on the surface runoff process under different rainfall intensities would provide a significant theoretical basis for controlling soil and water loss on steep slopes in mountainous areas of southwestern China. In the current study, the runoff process under different rainfall intensities was observed based on 10 natural runoff plots, and the correlation between the spatial pattern of cypress (Cupressus funebris), micro-topography and runoff characteristic parameters was tested using the Pearson correlation coefficient method. The effects of the spatial pattern of cypress and micro-topography on surface runoff also were analyzed using the Response Surface Method (RSM). The results indicated that the blocking effects of different underlay conditions on surface runoff decreased with the increase of rainfall intensity. The impact of the spatial pattern of cypress and micro-topography on the runoff process was mainly reflected in the impact on peak flow. Under the condition of moderate rainfall (30-50 mm/24 h) or rainstorm (50-70 mm/24 h), topographic relief, surface roughness, runoff path density, contagion index of cypress, and stand density of cypress were the key factors that affected the peak flow, whereas under the condition of severe rainstorms (> 70 mm/24 h) none of the foregoing factors had a significant correlation with peak flow. Under the conditions of moderate rainfall or rainstorm, when the composite indexes of the spatial pattern of cypress and micro-topography were small, the peak flow would not be significantly affected. When the micro-topography reached the conditions required to significantly increase the peak flow, increasing the composite index of the spatial pattern of cypress within a certain range promotes the peak flow, and when the composite index of the spatial pattern of cypress exceeded a certain value, as the composite index of micro-topography increased, the dominant factor affecting the peak flow gradually changed from the spatial pattern of cypress to that of micro-topography.

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Tri-Variate Relationships among Vegetation, Soil, and Topography along Gradients of Fluvial Biogeomorphic Succession

Cited by 16 publications

References 77 publications

Physical geography contributes

Physical geography contributes

Effects of Underlay on Hill-Slope Surface Runoff Process of Cupressus funebris Endl. Plantations in Southwestern China

Effects of underlay on hill-slope surface runoff process under different rainfall intensities

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